CN207853662U - A kind of In-wheel motor drive device and electric vehicle - Google Patents
A kind of In-wheel motor drive device and electric vehicle Download PDFInfo
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- CN207853662U CN207853662U CN201820048901.1U CN201820048901U CN207853662U CN 207853662 U CN207853662 U CN 207853662U CN 201820048901 U CN201820048901 U CN 201820048901U CN 207853662 U CN207853662 U CN 207853662U
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- gear
- driving mechanism
- central shaft
- lateral carrier
- compound planet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses a kind of In-wheel motor drive device and electric vehicles, driving device includes the first driving mechanism, central shaft, the second driving mechanism and external shell, second driving mechanism includes the isolator being interference fitted with the central shaft, and hollow shaft sleeve, sun gear and the compound planet gear being set in outward successively on the central shaft；Second driving mechanism further includes the first matable assembly and the second matable assembly, and the first matable assembly includes left lateral carrier and right lateral carrier；Also, the position that sun gear is meshed with the compound planet gear, close to the left lateral carrier；Second matable assembly includes left gear ring and right gear ring, also, left gear ring is fixedly connected with the external shell, and right gear ring is fixedly connected by auxiliary member with the isolator.The utility model not only so that driving device ontology is the structure of smaller size smaller, additionally it is possible to realize the transmission ratio of bigger；Also, the central shaft is bearing structure, and safety coefficient is high.
Description
Technical field
The utility model is related to technical field of motors more particularly to a kind of In-wheel motor drive device and electric vehicles.
Background technology
In recent years, electric vehicle has gradually been received by consumers in general as a kind of environmental protection, the energy-efficient vehicles, nothing
By still foreign countries, the sales volume of electric vehicle worldwide are also increasing year by year at home, electric vehicle substitutes the trend of bicycle
Gradually expand, and core component of the electric vehicle hub driving device as electric vehicle, the quality of quality often decides electronic
The quality of vehicle entirety.
Electric vehicle hub driving device on the market is broadly divided into two major classes at present, straight to drive driving device and the drive of conventional belt tooth
Dynamic device；Wherein, the shortcomings that straight drive driving device is that volume is big, and output torque is small, and climbing is painstaking, meets heavy load and is easy to burn
It is bad；Although conventional belt tooth driver is promoted compared with direct driving motor torque, volume is still larger, influences appearance.Also,
To realize that the larger transmission ratio of gear drive, existing driving device (motor) can generally be designed using off-axis, the off-axis design
Refer to that central shaft is divided into three sections, it is small for sun gear to be done, to increase transmission ratio；But this structure will lead to entire core
Axis strength reduction；Traditional drives, which also have, uses the hollow outlet of dead axle, that is, opens up through-hole by leading-out terminal in the middle part of dead axle
It draws, this can similarly weaken mandrel intensity.So existing hub drive device can greatly reduce the work of electric vehicle entirety
Make reliability and safety.
Utility model content
To solve problems of the prior art, the utility model proposes a kind of In-wheel motor drive device and electricity
Motor-car, specifically：
First aspect provides a kind of In-wheel motor drive device, described device include the first driving mechanism, central shaft,
Second driving mechanism and external shell, first driving mechanism, central shaft, the second driving mechanism are respectively positioned on the external shell
It is interior, and first driving mechanism and the second driving mechanism are set on the central shaft；
Second driving mechanism includes the isolator being interference fitted with the central shaft, and is set in institute outward successively
State hollow shaft sleeve, sun gear and the compound planet gear on central shaft；And one end of the hollow shaft sleeve is driven with described first
Motivation structure is fixedly connected, and the other end of the hollow shaft sleeve is fixedly connected with the inner ring of the sun gear, outside the sun gear
It encloses and is meshed on the inside of the compound planet gear；
Second driving mechanism further includes the first matable assembly and the second matable assembly；
First matable assembly includes the left lateral carrier being fixedly connected and right lateral carrier；The left lateral carrier and right lateral star
Bearing is both provided on frame；The inside of the bearing of the left lateral carrier is interference fitted with one end of the compound planet gear, institute
The inside for stating the bearing of right lateral carrier and the other end of the compound planet gear are interference fitted；Also, the sun gear and institute
The position that compound planet gear is meshed is stated, close to the left lateral carrier；
Second matable assembly includes left gear ring and right gear ring, and the left gear ring and right gear ring are in the duplex planet
The middle part in the outside of gear is meshed with the compound planet gear；Also, the left gear ring is fixed with the external shell to be connected
It connects, the right gear ring is fixedly connected by auxiliary member with the isolator.
Further, first driving mechanism includes rotor and rule stator；The rule stator and motor turn
Son is sequentially sleeved on the central shaft；
And the rule stator is fixedly connected with the central shaft；One end of the rotor and the hollow shaft sleeve
It is fixedly connected.
Further, the external shell includes left end cap, main casing and right end cap；
One end of the main casing and one end of the left end cap are mutually fixed, right end cap described in the other end of the main casing
One end mutually fix；The other end of the left end cap and the other end of the right end cap are set on the central shaft, make institute
It states left end cap, main casing, right end cap and central shaft and constitutes closed space structure, first driving mechanism and the second driving machine
Structure is respectively positioned in the space structure；
Also, outlet hole is offered on the left end cap, the power cord being connected with the winding terminal of the rule stator
Cable runs through the outlet hole.
Further, the compound planet gear includes planetary gear revolver and planetary gear right wheel；The planetary gear revolver with
The planetary gear right wheel interference fit, or be structure as a whole.
Further, the quantity of the bearing is even number, and the quantity of the bearing in the left lateral carrier and the right side
The quantity of bearing on planet carrier is equal.
Further, first driving mechanism further includes magnet steel, and the magnet steel is arranged in the rotor and embedding
Between stator.
Further, boss is all had in the left lateral carrier and right lateral carrier, mounting hole is offered on the boss；
The left lateral carrier and right lateral carrier are bolted by connector at the mounting hole of corresponding boss.
Further, the auxiliary member is fixing bracket, and the fixing bracket setting is in the right lateral carrier close to described
In the space structure of external shell；
Also, described support bracket fastened one end and the end face of the right gear ring are mutually fixed, the support bracket fastened other end
It is connected with the isolator.
Further, second driving mechanism further includes locating piece, and the locating piece includes left gasket and right gasket；
For the left gasket between the left lateral carrier and the rotor, the right gasket is located at the right lateral star
Between frame and the fixing bracket.
Second aspect provides a kind of electric vehicle, including above-mentioned device；Further include wheel and multiple spokes；The spoke
Using the vertical plane where the midpoint of the central shaft as the plane of symmetry, it is symmetricly set on the both sides of the wheel hub motor.
In-wheel motor drive device provided by the utility model, when car moves forwards, described device first drives
Rotor in mechanism is rotated, wherein one end of rotor and hollow shaft sleeve is fixed so that the rotation of rotor drives described hollow
Axle sleeve rotates；The other end of hollow shaft sleeve is fixedly connected with the inner ring of sun gear so that hollow shaft sleeve drives the sun rotation
It is dynamic；It is meshed on the inside of the outer ring of the sun gear and compound planet gear so that sun gear drives compound planet gear rotation；
The bearing being provided on the planet carrier of left and right is interference fitted with the compound planet gear, also, the left gear ring and institute
Compound planet gear to be stated to be meshed so that compound planet gear drives the left ring gear against rotation, meanwhile, left lateral carrier and right lateral star
Frame rotates simultaneously；Finally, because left gear ring is mutually fixed with external shell, so, left gear ring drives external shell rotation；It is final to drive
The corresponding vehicle of the hub drive device is moved to move forward.Isolator at this time is in meshing state i.e. working condition,
Isolator is fixedly connected by fixing bracket with right gear ring, and the right gear ring does not rotate.
In-wheel motor drive device provided by the utility model, when car slides forward (namely without electric power,
Car descending or in the case of going ahead because of inertia), the corresponding wheel hub of the driving device slides forward, and external shell turns
It is dynamic to drive left ring gear against rotation, the left gear ring (forward) that compound planet gear rotation, the compound planet gear is driven to drive right
Ring gear against rotation；Because the end face of right gear ring is connect by auxiliary member with the isolator, so isolator at this time is rotation, but
It is to be in idling conditions i.e. discrete state；Vehicle can be made smoothly to slide forward in the case where protecting motor in this way.
In-wheel motor drive device provided by the utility model, when car is carried out backward, the driving device corresponds to
Wheel hub carry out backward, the rotation of external shell drives left ring gear against rotation, left gear ring (backward) to drive compound planet gear rotation,
Compound planet gear drives sun gear rotation, sun gear to drive hollow shaft sleeve rotation, hollow shaft sleeve that entire motor is driven to turn in turn
Son reversion；Isolator is in meshing state i.e. working condition at this time, and vehicle is smoothly carried out backward.
The utility model is close to the side of left lateral carrier by the way that the position that sun gear is meshed with compound planet gear is arranged
Position；Also, isolator is directly interference fitted with the central shaft, and by auxiliary member (fixing bracket) by isolator and right tooth
Circle is fixedly connected；In-wheel motor drive device under this structure not only make driving device ontology can be designed as have compared with
The overall structure of small volume, but also can realize the transmission ratio of bigger.In addition, the utility model uses the end of external shell
Face outlet, central shaft are bearing structure, will not weaken the intensity of central shaft (dead axle), and safety coefficient is high.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of In-wheel motor drive device major architectural figure provided in the utility model embodiment；
Fig. 2 is a kind of In-wheel motor drive device structure sectional view provided in the utility model embodiment；
Fig. 3 is a kind of electric vehicle with the In-wheel motor drive device provided in the utility model embodiment
Schematic diagram.
In figure：First driving mechanism 1, rotor 11, rule stator 12, magnet steel 13, power cable 14, central shaft 2, the
Two driving mechanisms 3, isolator 31, hollow shaft sleeve 32, sun gear 33, left lateral carrier 34, right lateral carrier 35, bearing 36, left gear ring
37, right gear ring 38, fixing bracket 381, compound planet gear 39, external shell 4, main casing 41, left end cap 421, right end cap
422, wheel 51, spoke 52.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It needs to give explanation, " outside " and " inside " of the utility model is come according to the central shaft of described device
It sees, is " inside ", that namely far from the central shaft opposite with the inside close to that side of the central shaft
Side is " outside "." left side " and " right side " in the utility model is the close electricity from the point of view of the motor mechanism according to described device
It is " right side " beyond the separate motor mechanism to be beyond machine mechanism " left side ".
Embodiment：
The present embodiment proposes a kind of In-wheel motor drive device, as shown in Figure 1, described device includes the first driving machine
Structure 1, central shaft 2, the second driving mechanism 3 and external shell 4.
Specifically, as shown in Fig. 2, first driving mechanism 1, central shaft 2, the second driving mechanism 3 are respectively positioned on outside described
In portion's shell 4, and the central shaft 2 is fixing axle, and first driving mechanism, 1 and second driving mechanism 3 is set in described
On central shaft 2；
As shown in Fig. 2, second driving mechanism 3 includes the isolator 31, Yi Jiyi being interference fitted with the central shaft 2
The secondary hollow shaft sleeve 32 being set in outward on the central shaft 2, sun gear 33 and compound planet gear 39；And the hollow shaft
One end of set 32 is fixedly connected with first driving mechanism 1, the other end of the hollow shaft sleeve 32 and the sun gear 33
Inner ring is fixedly connected (such as spline connection), and the outer ring of the sun gear 33 and the inside of the compound planet gear 39 are mutually nibbled
It closes.Wherein, the compound planet gear 34 includes planetary gear revolver and planetary gear right wheel；The planetary gear revolver and the planet
Take turns right wheel interference fit, or be structure as a whole, shown in Fig. 2 for planetary gear revolver (left part of compound planet gear) and
The mode of planetary gear right wheel (right part of compound planet gear) interference fit.
Second driving mechanism 3 further includes the first matable assembly and the second matable assembly.Specifically：
It is for what the first matable assembly in the second driving mechanism 3 gave explanation：First matable assembly includes solid
Surely the left lateral carrier 34 and right lateral carrier 35 connected；And it is both provided with bearing in the left lateral carrier 34 and right lateral carrier 35
36, the bearing 36 is fixed on corresponding planet carrier；Specifically, the inside of the bearing 36 of the left lateral carrier 34 with it is described double
Join one end interference fit of planetary gear 39, inside and the compound planet gear 39 of the bearing 36 of the right lateral carrier 35
The other end is interference fitted.Importantly, the position that the sun gear 33 is meshed with the compound planet gear 39, close to described
Left lateral carrier 34；The smaller that the volume of corresponding driving device is designed, and the transmission ratio of output being capable of bigger.
Wherein, the quantity of the bearing 36 be even number, and the quantity of the bearing 36 in the left lateral carrier 34 with it is described
The quantity of bearing 36 in right lateral carrier 35 is equal；Preferably, as shown in Fig. 2, the bearing 36 in the left lateral carrier 34 and institute
The quantity for stating the bearing 36 in right lateral carrier 35 is 3 or 4；That is, the number of the bearing in the left lateral carrier
Amount is 3, and the quantity of the bearing in right lateral carrier is 3；Alternatively, the quantity of the bearing in the left lateral carrier is 4, right lateral
The quantity of bearing in carrier is 4.
Wherein for left lateral carrier 34 and right lateral carrier 35 be fixedly connected give explanation be；34 He of left lateral carrier
Boss is also each had in right lateral carrier 35, and mounting hole is offered on the boss；The left lateral carrier 34 and right lateral carrier 35
It carries out at the mounting hole of corresponding boss being bolted locking by connector.Wherein, the connector is such as pin, rivet
Or hinged bolts etc..
It is for what the second matable assembly in the second driving mechanism 3 gave explanation：As shown in Fig. 2, second cooperation
Component includes left gear ring 37 and right gear ring 38, and the left gear ring 37 and right gear ring 38 are in the outside of the compound planet gear 39
Middle part be meshed with the compound planet gear 39.Also, the left gear ring 37 is fixedly connected with the external shell 4, tool
Body is fixed with the main casing of the external shell 41, wherein can be the installations such as screw, pin connection, can also be that interference is matched
It closes.The right gear ring 38 is fixedly connected by auxiliary member with the isolator 31；Also, the driving device is driving accordingly
When vehicle advances, the right gear ring 38 is motionless；And when driving device drives corresponding vehicle sliding, right gear ring 38 is because of duplex row
The rotation of star gear 39 and rotate.
In detail, above-mentioned auxiliary member is fixing bracket 381, as shown in Fig. 2, the fixing bracket 381 is arranged described
Right lateral carrier 35 is in the space structure of the external shell 4；Also, one end of the fixing bracket 381 and the right tooth
The end face of circle 38 is mutually fixed, and the other end of the fixing bracket 381 is connected with the isolator 31.
Preferably, second driving mechanism 3 further includes locating piece (not shown), and the locating piece includes left gasket
With right gasket；Between the left lateral carrier 34 and the rotor 11, the right gasket is located at described the left gasket
Between right lateral carrier 35 and the fixing bracket 381.Left lateral carrier 34 and right lateral carrier 35 are fixed by the positioning of locating piece,
Prevent the vibration of left and right planet carrier.
It is for what first driving mechanism 1 gave explanation：As shown in Fig. 2, first driving mechanism 1 includes motor
Rotor 11 and rule stator 12；The rule stator 12 and rotor 11 are sequentially sleeved on the central shaft 2；And it is described
Rule stator 12 is fixedly connected with the central shaft 2；The rotor 11 is fixedly connected with one end of the hollow shaft sleeve 32.
So after power cable 14 is powered, central shaft 2 is fixing axle, and accordingly, rule stator 12 is fixed；11 turns of rotor
It is dynamic, and then hollow shaft sleeve 32 is driven to rotate.
Further, as shown in Fig. 2, first driving mechanism 1 further includes magnet steel 13, the magnet steel 13 is arranged described
Between rotor 11 and rule stator 12.Wherein, the magnet steel 13 is the magnetic material of high magnetic field intensity, it is preferable that is used
Using Nd-Fe-B rare earth magnetic steel 13.
It is for what the external shell 4 gave explanation：As shown in Fig. 2, the external shell 4 includes left end cap 421, master
Shell 41 and right end cap 422；One end of the main casing 41 and one end of the left end cap 421 are mutually fixed, the main casing 41
One end of the other end and the right end cap 422 mutually fix；The other end of the left end cap 421 is another with the right end cap 422
One end is set on the central shaft 2；Wherein, the fixation of one end of the main casing 41 and one end of the right end cap 422
Mode is screw connection or snaps connection.The left end cap 421, main casing 41, right end cap 422 and central shaft 2 constitute closing
Space structure, first driving mechanism, 1 and second driving mechanism 3 is respectively positioned in the space structure；Also, the left end
Outlet hole is offered on lid 421, the power cable 14 being connected with the winding terminal of the rule stator 12 runs through the outlet
Hole；It can be seen that the central shaft 2 of the present embodiment described device is bearing structure, and then there is higher safety coefficient.
It needs to give explanation, high, the light-weight gear structure using intensity of the gear in the present embodiment, such as can be with
With plastic gear, powder metallurgical gear.
Embodiment：
A kind of electric vehicle is present embodiments provided, as shown in figure 3, including the wheel hub electric motor driving dress in above-described embodiment
It sets；Further include wheel 51 and multiple spokes 52；The spoke 52 is with vertical where the midpoint of the central shaft of the driving device
Face is the plane of symmetry, is symmetricly set on the both sides of the In-wheel motor drive device.
And spoke hole is provided on the external shell of the driving device, one end of the spoke, which is concentrated, to be fixed on outside described
On spoke hole on portion's shell, the other end is uniformly mounted in the wheel hub wall of the electric vehicle；To by spoke by wheel hub
Motor drive is connected with wheel 51, and then advances with motor car wheel 51.
It needs to give explanation, the product being designed using In-wheel motor drive device described in the utility model is not
It is only used for electric vehicle, can also be the product of the one kind such as electric booster bicycle or Self-Balancing vehicle, it is new belongs to this practicality
The protection domain of type.
In conclusion In-wheel motor drive device provided by the utility model, when car moves forwards, described device
Rotor in first driving mechanism is rotated, wherein one end of rotor and hollow shaft sleeve is fixed so that the rotation of rotor drives
The hollow shaft sleeve rotation；The other end of hollow shaft sleeve and the inner ring of sun gear are interference fitted so that described in hollow shaft sleeve drives
Sun gear rotates；It is meshed on the inside of the outer ring of the sun gear and compound planet gear so that sun gear drives duplex planet
Gear rotates；The bearing being provided on the planet carrier of left and right is interference fitted with the compound planet gear, also, the left side
Gear ring is meshed with the compound planet gear so that and compound planet gear drives the left ring gear against rotation, meanwhile, left lateral carrier
It is rotated simultaneously with right lateral carrier；Finally, because left gear ring is fixedly connected with external shell, so, left gear ring drives external shell
Rotation；The corresponding vehicle of the hub drive device is finally driven to move forward.Isolator at this time is in meshing state also just
It is working condition, isolator is fixedly connected by fixing bracket with right gear ring, and the right gear ring does not rotate.
In-wheel motor drive device provided by the utility model, when car slides forward (namely without electric power,
Car descending or the case where go ahead because of inertia), the corresponding wheel hub of the driving device slides forward, the rotation of external shell
Drive left ring gear against rotation, the left gear ring (forward) that compound planet gear rotation, the compound planet gear is driven to drive right tooth
Circle rotation；Isolator of stating at this time is in idling conditions i.e. discrete state；It can make in this way in the case where protecting motor
Vehicle smoothly slides forward.
In-wheel motor drive device provided by the utility model, when car is carried out backward, the driving device corresponds to
Wheel hub carry out backward, the rotation of external shell drives left ring gear against rotation, left gear ring (backward) to drive compound planet gear rotation,
Compound planet gear drives sun gear rotation, sun gear to drive hollow shaft sleeve rotation, hollow shaft sleeve that entire motor is driven to turn in turn
Son reversion；Isolator is in meshing state i.e. working condition at this time, and vehicle is smoothly carried out backward.
The utility model is close to the side of left lateral carrier by the way that the position that sun gear is meshed with compound planet gear is arranged
Position；Also, isolator is directly interference fitted with the central shaft, and by auxiliary member (fixing bracket) by isolator and right tooth
Circle is fixedly connected；In-wheel motor drive device under this structure not only make driving device ontology can be designed as have compared with
The overall structure of small volume, but also can realize the transmission ratio of bigger.In addition, the utility model uses the end of external shell
Face outlet, central shaft are bearing structure, will not weaken the intensity of central shaft (dead axle), and safety coefficient is high.
In above-described embodiment of the utility model, all emphasize particularly on different fields to the description of each embodiment, in some embodiment
The part not being described in detail may refer to the associated description of other embodiment.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of In-wheel motor drive device, which is characterized in that driven including the first driving mechanism (1), central shaft (2), second
Motivation structure (3) and external shell (4), first driving mechanism (1), central shaft (2), the second driving mechanism (3) are respectively positioned on institute
It states in external shell (4), and first driving mechanism (1) and the second driving mechanism (3) are set in the central shaft (2)
On；It is characterized in that,
Second driving mechanism (3) includes the isolator (31) being interference fitted with the central shaft (2), and successively to housing
Hollow shaft sleeve (32), sun gear (33) and the compound planet gear being located on the central shaft (2)；And the hollow shaft sleeve
(32) one end is fixedly connected with first driving mechanism (1), the other end and the sun gear of the hollow shaft sleeve (32)
(33) inner ring is fixedly connected, and is meshed on the inside of the outer ring of the sun gear (33) and the compound planet gear (39)；
Second driving mechanism (3) further includes the first matable assembly and the second matable assembly；
First matable assembly includes the left lateral carrier (34) being fixedly connected and right lateral carrier (35)；The left lateral carrier (34)
With bearing (36) is both provided in right lateral carrier (35)；The inside of the bearing of the left lateral carrier and the compound planet gear
One end is interference fitted, and the inside of the bearing of the right lateral carrier is interference fitted with the other end of the compound planet gear (39)；
Also, the position that the sun gear (33) is meshed with the compound planet gear (39), close to the left lateral carrier (34)；
Second matable assembly includes left gear ring (37) and right gear ring (38), and the left gear ring (37) and right gear ring (38) exist
The middle part in the outside of the compound planet gear (39) is meshed with the compound planet gear (39)；Also, the left gear ring
(37) it is fixedly connected with the external shell (4), the right gear ring (38) connects by the way that auxiliary member and the isolator (31) are fixed
It connects.
2. the apparatus according to claim 1, which is characterized in that first driving mechanism (1) includes rotor (11)
With rule stator (12)；The rule stator (12) and rotor (11) are sequentially sleeved on the central shaft (2)；
And the rule stator (12) is fixedly connected with the central shaft (2)；The rotor (11) and the hollow shaft
One end of set (32) is fixedly connected.
3. the apparatus of claim 2, which is characterized in that the external shell (4) includes left end cap (421), main casing
Body (41) and right end cap (422)；
One end and one end of the left end cap (421) of the main casing (41) are mutually fixed, the other end of the main casing (41)
It is mutually fixed with one end of the right end cap (422)；The other end of the left end cap (421) is another with the right end cap (422)
End is set on the central shaft (2), makes the left end cap (421), main casing (41), right end cap (422) and central shaft (2)
Closed space structure is constituted, first driving mechanism (1) and the second driving mechanism (3) are respectively positioned in the space structure；
Also, outlet hole is offered on the left end cap (421), the electricity being connected with the winding terminal of the rule stator (12)
Source cable (14) runs through the outlet hole.
4. the apparatus according to claim 1, which is characterized in that the compound planet gear (39) include planetary gear revolver and
Planetary gear right wheel；The planetary gear revolver is interference fitted with the planetary gear right wheel, or is structure as a whole.
5. the apparatus according to claim 1, which is characterized in that the quantity of the bearing (36) is even number, and on the left side
The quantity of bearing on planet carrier is equal with the quantity of bearing in the right lateral carrier.
6. the apparatus of claim 2, which is characterized in that first driving mechanism (1) further includes magnet steel (13), institute
Magnet steel (13) is stated to be arranged between the rotor (11) and rule stator (12).
7. the apparatus according to claim 1, which is characterized in that boss is all had in the left lateral carrier and right lateral carrier,
Mounting hole is offered on the boss；
The left lateral carrier (34) and right lateral carrier (35) are bolted by connector at the mounting hole of corresponding boss.
8. according to any device of claim 2 or 6, which is characterized in that the auxiliary member is fixing bracket (381), institute
Fixing bracket setting is stated in the space structure of the close external shell (4) of the right lateral carrier (35)；
Also, one end of the fixing bracket (381) and the end face of the right gear ring (38) are mutually fixed, the fixing bracket
(381) the other end is connected with the isolator (31).
9. device according to claim 8, which is characterized in that second driving mechanism (3) further includes locating piece, described
Locating piece includes left gasket and right gasket；
For the left gasket between the left lateral carrier (34) and the rotor (11), the right gasket is located at the right side
Between planet carrier (35) and the fixing bracket (381).
10. a kind of electric vehicle, which is characterized in that including any devices of claim 1-9；
Further include wheel (51) and multiple spokes (52)；The spoke is symmetrical with the vertical plane where the midpoint of the central shaft
Face is symmetricly set on the both sides of the wheel hub motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820048901.1U CN207853662U (en) | 2018-01-12 | 2018-01-12 | A kind of In-wheel motor drive device and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820048901.1U CN207853662U (en) | 2018-01-12 | 2018-01-12 | A kind of In-wheel motor drive device and electric vehicle |
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| Publication Number | Publication Date |
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| CN207853662U true CN207853662U (en) | 2018-09-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649154A (en) * | 2019-01-15 | 2019-04-19 | 宁波中大力德智能传动股份有限公司 | A kind of electri forklift driving wheel |
| WO2020125587A1 (en) * | 2018-12-17 | 2020-06-25 | 宁波麦思动力系统有限公司 | Hub motor assembly and electric bicycle comprising same |
| WO2022082438A1 (en) * | 2020-10-20 | 2022-04-28 | 舍弗勒技术股份两合公司 | Hub driving system |
-
2018
- 2018-01-12 CN CN201820048901.1U patent/CN207853662U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125587A1 (en) * | 2018-12-17 | 2020-06-25 | 宁波麦思动力系统有限公司 | Hub motor assembly and electric bicycle comprising same |
| CN109649154A (en) * | 2019-01-15 | 2019-04-19 | 宁波中大力德智能传动股份有限公司 | A kind of electri forklift driving wheel |
| CN109649154B (en) * | 2019-01-15 | 2020-03-27 | 宁波中大力德智能传动股份有限公司 | Driving wheel of electric forklift |
| WO2022082438A1 (en) * | 2020-10-20 | 2022-04-28 | 舍弗勒技术股份两合公司 | Hub driving system |
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