CN209051290U - Pure electric vehicle integration electric drive axle - Google Patents
Pure electric vehicle integration electric drive axle Download PDFInfo
- Publication number
- CN209051290U CN209051290U CN201821737117.8U CN201821737117U CN209051290U CN 209051290 U CN209051290 U CN 209051290U CN 201821737117 U CN201821737117 U CN 201821737117U CN 209051290 U CN209051290 U CN 209051290U
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- Prior art keywords
- axle
- speed reducer
- differential mechanism
- driving
- shaft
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Abstract
The utility model discloses a kind of pure electric vehicle integration electric drive axles, it is related to pure electric automobile equipment technical field, its key points of the technical solution are that including left half axle, right axle shaft, the differential mechanism for driving left half axle and right axle shaft rotation, the driving differential mechanism retarder rotated and the driving motor being connect with retarder, the retarder includes speed reducer housing, the speed reducer housing is fixedly connected with the shell of driving motor, the driving motor includes integral shaft, and the integral shaft is rotationally connected with speed reducer housing；The differential mechanism is rotationally connected with speed reducer housing, and the transmission component of driving differential mechanism rotation is provided in the retarder.The utility model solves the problems, such as to generate loud noise when the output shaft of engine drives transmission shaft rotation, has achieved the effect that reduce noise.
Description
Technical field
The utility model relates to pure electric automobile equipment technical fields, more specifically, it is related to a kind of pure electric vehicle one
Change electric drive axle.
Background technique
With the raising to motor vehicle emission environmental requirement, to the exploitation of new energy, using increasingly by country, government,
The attention of company.Electric drive converts electrical energy into mechanical energy, is a kind of dynamical system of green so that remaining mechanism be driven to operate
System, electric car are to realize one of the important means of this target, and drive axle is to be located at power train end to change from speed change
The revolving speed of device and the device of torque, drive axle is generally by groups such as main reducing gear, differential mechanism, wheel drive and driving axle housings
At there are also constant velocity cardan joints for steering and driving axle, in addition, drive axle, which still suffers from, acts on hanging down between road surface and vehicle frame or vehicle body
Straight power, longitudinal force and cross force and braking moment and reaction force need to occupy more to realize above-mentioned function
The mechanical space of bottom of car.
The prior art can refer to the Chinese utility model patent that Authorization Notice No. is CN207257339U, and it discloses one kind
Applied to the integrated chassis drive axle of pure electric automobile, including the first transmission shaft, differential mechanism, second driving shaft, caliper,
One damper, engine, the second damper, retarder and speed changer, first transmission shaft and the second driving shaft can
It dismantles and what can be rotated is fixed on the differential mechanism, the retarder and the speed changer are all connected to the differential
Device, the retarder are connected to the engine, and the retarder includes driving gear, driven gear and gear-box, the master
Moving gear and the driven gear can rotate and what can be dismantled is fixed in the gear-box, and the engine connects
It is connected to the driving gear, the driving gear is connected to the driven gear, and the driven gear is connected to the differential mechanism,
The speed changer is also attached to the retarder.
But the transmission shaft in the output shaft and retarder of above-mentioned engine is to be detachably connected, it is both general to pass through
Interior external splines is attached, and the output shaft of such engine may generate biggish noise when driving transmission shaft rotation.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of pure electric vehicle integration electric drives
Bridge, the output shaft of motor are integrated axis with the transmission shaft in retarder, eliminate inside and outside spline connection, reduce processing
Process can be realized the effect for reducing noise in this way.
To achieve the above object, the utility model provides following technical solution: a kind of pure electric vehicle integration electric drive axle,
Including left half axle, right axle shaft, drive left half axle and right axle shaft rotation differential mechanism, driving differential mechanism rotation retarder and with
The driving motor of retarder connection, the retarder includes speed reducer housing, the shell of the speed reducer housing and driving motor
It is fixedly connected, the driving motor includes integral shaft, and the integral shaft is rotationally connected with speed reducer housing；The differential mechanism
It is rotationally connected with speed reducer housing, the transmission component of driving differential mechanism rotation is provided in the retarder.
By using above-mentioned technical proposal, starting driving motor, driving motor drives differential mechanism to rotate by transmission component,
Differential mechanism rotation drives left half axle and right axle shaft rotation, and left half axle and right axle shaft rotation drive two Automobile drive rotation respectively
It is dynamic；The output shaft of driving motor is integrated axis with the transmission shaft in retarder, eliminates inside and outside spline connection, reduces and add
Work process can be realized the effect for reducing noise in this way.
The utility model is further arranged to: offering weight loss groove on the integral shaft.
By using above-mentioned technical proposal, weight loss groove, which is arranged, can mitigate the weight of integral shaft, can reduce by one in this way
The noise that body axis generates when rotating.
The utility model is further arranged to: the transmission component includes the first driving tooth being fixed on integral shaft
Wheel, the first driven gear engaged with the first driving gear, the second driving gear for being fixed in the first driven gear and with the
Second driven gear of two driving gears engagement；The differential mechanism includes differential mechanism shell, second driven gear and differential
Device shell is fixedly connected.
By using above-mentioned technical proposal, the rotation of the first driving gear drives the rotation of the first driven gear, the first driven tooth
Wheel rotation drives the rotation of the second driving gear, and the rotation of the second driving gear drives the rotation of the second driven gear, the second driven gear
Rotation drives differential mechanism rotation；Gear drive accuracy is higher, and the accuracy of differential mechanism rotation can be improved in this way.
The utility model is further arranged to: axle tube, the left side half are socketed on the left half axle and right axle shaft
Axis and right axle shaft are rotationally connected with two axle tubes respectively, and two axle tubes are fixed in speed reducer housing.
By using above-mentioned technical proposal, on the one hand axle tube can play a supporting role to semiaxis, on the other hand may be used
To play a protective role to semiaxis.
The utility model is further arranged to: axle housing, the both ends of the axle housing are provided between two axle tubes
It is respectively and fixedly connected in two axle tubes.
By using above-mentioned technical proposal, axle housing plays a supporting role to two axle tubes, can reduce axle tube
The amplitude to shake, can mitigate the friction of the bearing and semiaxis in axle tube in this way, thus can further drop in this way
Low noise.
The utility model is further arranged to: the driving motor, two axle tubes, speed reducer housing and axle housing group
Integralization drive axle shell.
By using above-mentioned technical proposal, on the one hand, driving motor, two axle tubes, speed reducer housing and axle housing
It is highly integrated, have the advantages that increase space utilization rate, reduce arrangement and reduce arrangement difficulty；On the other hand, in this way
Reduce components, reaches the light-weighted purpose of electric drive axle.
The utility model is further arranged to: the first circlip and are provided between the integral shaft and speed reducer housing
One sealing ring.
By using above-mentioned technical proposal, the first circlip has position-limiting action to bearing, can reduce integral shaft in this way
A possibility that deviateing during rotation；First sealing ring plays sealing function to retarder, can reduce deceleration in this way
A possibility that lubricating oil in device leaks.
The utility model is further arranged to: second driving gear is rotationally connected with speed reducer housing by bearing,
The second circlip and the second sealing ring are provided between second driving gear and speed reducer housing.
By using above-mentioned technical proposal, the second circlip has position-limiting action to bearing, can reduce by second so actively
A possibility that gear deviates during rotation；Second sealing ring plays sealing function to retarder, can reduce in this way
A possibility that lubricating oil in retarder leaks.
In conclusion the utility model has the advantages that compared with the prior art
1. starting driving motor, driving motor drives differential mechanism to rotate by transmission component, and differential mechanism rotation drives left half
Axis and right axle shaft rotation, left half axle and right axle shaft rotation drive two automobile driving wheel rotations respectively；The output shaft of driving motor
It is integrated axis with the transmission shaft in retarder, eliminates inside and outside spline connection, reduce manufacturing procedure, can be realized in this way
Reduce the effect of noise；
2. on the one hand, driving motor, two axle tubes, speed reducer housing and axle housing are highly integrated, have and increase sky
Between utilization rate, reduce arrangement and reduce arrangement difficulty the advantages of；On the other hand, reduce components in this way, reach
Light-weighted purpose；
3. the first circlip has position-limiting action to bearing, integral shaft can be reduced in this way and is deviateed during rotation
A possibility that；First sealing ring plays sealing function to retarder, and the lubricating oil that can be reduced in retarder in this way leaks
A possibility that.
Detailed description of the invention
Fig. 1 is the entirety sectional view of embodiment；
Fig. 2 is the structural schematic diagram that integral shaft is highlighted in embodiment；
Fig. 3 is the partial enlarged view in Fig. 1 at A；
Fig. 4 is the partial enlarged view in Fig. 1 at B.
In figure: 1, left half axle；11, axle tube；12, axle housing；2, right axle shaft；3, differential mechanism；31, differential mechanism shell；32,
Third circlip；33, third sealing ring；4, retarder；41, speed reducer housing；42, transmission component；421, the first driving gear；
422, the first driven gear；423, the second driving gear；424, the second driven gear；43, the first circlip；44, the first sealing ring；
45, the second circlip；46, the second sealing ring；5, driving motor；51, integral shaft；511, weight loss groove.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of pure electric vehicle integration electric drive axle, as shown in Figure 1, including left half axle 1, right axle shaft 2, driving a left side
Differential mechanism 3, driving differential mechanism 3 retarder 4 rotated and the driving being connect with retarder 4 electricity that semiaxis 1 and right axle shaft 2 rotate
Machine 5.
As depicted in figs. 1 and 2, retarder 4 includes speed reducer housing 41, and speed reducer housing 41 passes through bolt and driving motor
5 shell is fixedly connected, and driving motor 5 includes integral shaft 51, and integral shaft 51 is rotationally connected with outside retarder by bearing
Shell 41, weight loss groove 511 is offered on integral shaft 51, and setting weight loss groove 511 can mitigate the weight of integral shaft 51, in this way may be used
To reduce the noise generated when integral shaft 51 rotates.Differential mechanism 3 is rotationally connected with speed reducer housing 41, retarder by bearing
The transmission component 42 that driving differential mechanism 3 rotates is provided in 4, differential mechanism 3 is common components in the market, herein just not superfluous
It states.Start driving motor 5, driving motor 5 drives differential mechanism 3 to rotate by transmission component 42, and the rotation of differential mechanism 3 drives left half
Axis 1 and right axle shaft 2 rotate, and left half axle 1 and the rotation of right axle shaft 2 drive two automobile driving wheel rotations respectively；Driving motor 5 it is defeated
Shaft is integrated axis 51 with the transmission shaft in retarder 4, eliminates inside and outside spline connection, reduces manufacturing procedure, such energy
It is enough to realize the effect for reducing noise.
As shown in Figure 1, transmission component 42 includes that the first driving gear 421 being fixed on integral shaft 51 and first are main
The first driven gear 422 that moving gear 421 engages, the second driving gear 423 for being fixed in the first driven gear 422 and with the
Second driven gear 424 of two driving gears 423 engagement；Differential mechanism 3 includes differential mechanism shell 31, the second driven gear 424 with
Differential mechanism shell 31 is bolted to connection.The rotation of first driving gear 421 drives the first driven gear 422 to rotate, and first
The rotation of driven gear 422 drives the rotation of the second driving gear 423, and the rotation of the second driving gear 423 drives the second driven gear 424
Rotation, the rotation of the second driven gear 424 drive differential mechanism 3 to rotate；Gear drive accuracy is higher, and differential mechanism can be improved in this way
The accuracy of 3 rotations.
As shown in Figure 1, being socketed with axle tube 11 on left half axle 1 and right axle shaft 2, left half axle 1 and right axle shaft 2 pass through axis
It holds and is rotationally connected with two axle tubes 11 respectively, two axle tubes 11 are fixed in speed reducer housing 41, axle tube 11
On the one hand it can play a supporting role to semiaxis, on the other hand can play a protective role to semiaxis.Two axle tubes 11 it
Between be provided with axle housing 12, the both ends of axle housing 12 are respectively and fixedly connected in two axle tubes 11, and axle housing 12 plays two axle tubes 11
To supporting role, can reduce the amplitude that axle tube 11 shakes, can mitigate in this way bearing in axle tube 11 with
The friction of semiaxis, thus noise can be further decreased in this way.
As shown in figure 3, the first circlip 43 and the first sealing ring 44 are provided between speed reducer housing 41 and integral shaft 51,
First circlip 43 has position-limiting action to bearing, can reduce the possibility that integral shaft 51 deviates during rotation in this way
Property；First sealing ring 44 plays sealing function to retarder 4, can reduce what the lubricating oil in retarder 4 leaked in this way
Possibility.
As shown in figure 4, the second driving gear 423 is rotationally connected with speed reducer housing 41, the second driving gear by bearing
The second circlip 45 and the second sealing ring 46 are provided between 423 and speed reducer housing 41, the second circlip 45 has limit to bearing
Effect, can reduce a possibility that the second driving gear 423 deviates during rotation in this way；Second sealing ring 46 is to subtracting
Fast device 4 plays sealing function, can reduce a possibility that lubricating oil in retarder 4 leaks in this way.
As shown in Figure 1, third circlip 32 and third sealing ring 33 are provided between differential mechanism shell 31 and axle tube 11,
Third circlip 32 has position-limiting action to bearing, can reduce a possibility that differential mechanism 3 deviates during rotation in this way；
Third sealing ring 33 plays sealing function to differential mechanism 3, can reduce the possibility that the lubricating oil in differential mechanism 3 leaks in this way
Property.
As shown in Figure 1,5, two axle tubes 11 of driving motor, speed reducer housing 41 and axle housing 12 form integrated drive
So on the one hand dynamic bridge shell has the advantages that increase space utilization rate, reduce arrangement and reduce arrangement difficulty；Separately
On the one hand, reduce components in this way, reach the light-weighted purpose of electric drive axle.
The working principle of this kind of pure electric vehicle integration electric drive axle is as follows:
Start driving motor 5, driving motor 5 drives integral shaft 51 to rotate, and the rotation of integral shaft 51 drive first is actively
Gear 421 rotates, and the rotation of the first driving gear 421 drives the rotation of the first driven gear 422, and the first driven gear 422 rotates band
Dynamic second driving gear 423 rotation, the rotation of the second driving gear 423 drive the rotation of the second driven gear 424, the second driven gear
424 rotations drive differential mechanisms 3 to rotate, and the rotation of differential mechanism 3 drives left half axle 1 and right axle shaft 2 to rotate, left half axle 1 and 2 turns of right axle shaft
It is dynamic to drive two automobile driving wheel rotations respectively.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of pure electric vehicle integration electric drive axle, including left half axle (1), right axle shaft (2), drive left half axle (1) and right axle shaft
(2) retarder (4) of the differential mechanism (3), driving differential mechanism (3) rotation that rotate and the driving motor being connect with retarder (4)
(5), it is characterised in that: the retarder (4) includes speed reducer housing (41), the speed reducer housing (41) and driving motor
(5) shell is fixedly connected, and the driving motor (5) includes integral shaft (51), and the integral shaft (51) is turned by bearing
It is dynamic to be connected to speed reducer housing (41)；The differential mechanism (3) is rotationally connected with speed reducer housing (41), the deceleration by bearing
The transmission component (42) of driving differential mechanism (3) rotation is provided in device (4).
2. pure electric vehicle integration electric drive axle according to claim 1, it is characterised in that: opened on the integral shaft (51)
Equipped with weight loss groove (511).
3. pure electric vehicle integration electric drive axle according to claim 1, it is characterised in that: the transmission component (42) includes
The first driving gear (421) being fixed on integral shaft (51), the first driven gear engaged with the first driving gear (421)
(422), it is fixed in the second driving gear (423) of the first driven gear (422) and is engaged with the second driving gear (423)
Second driven gear (424)；The differential mechanism (3) includes differential mechanism shell (31), second driven gear (424) and differential
Device shell (31) is fixedly connected.
4. pure electric vehicle integration electric drive axle according to claim 3, it is characterised in that: the left half axle (1) and right half
It is socketed on axis (2) axle tube (11), the left half axle (1) and right axle shaft (2) are rotationally connected with two half-axile sleeves respectively
It manages (11), two axle tubes (11) are fixed in speed reducer housing (41).
5. pure electric vehicle integration electric drive axle according to claim 4, it is characterised in that: two axle tubes (11)
Between be provided with axle housing (12), the both ends of the axle housing (12) are respectively and fixedly connected in two axle tubes (11).
6. pure electric vehicle integration electric drive axle according to claim 5, it is characterised in that: the driving motor (5), two
Axle tube (11), speed reducer housing (41) and axle housing (12) form integrated drive axle shell.
7. pure electric vehicle integration electric drive axle according to claim 1, it is characterised in that: the integral shaft (51) and subtract
The first circlip (43) and the first sealing ring (44) are provided between fast device shell (41).
8. pure electric vehicle integration electric drive axle according to claim 3, it is characterised in that: second driving gear
(423) be rotationally connected with speed reducer housing (41) by bearing, second driving gear (423) and speed reducer housing (41) it
Between be provided with the second circlip (45) and the second sealing ring (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737117.8U CN209051290U (en) | 2018-10-25 | 2018-10-25 | Pure electric vehicle integration electric drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737117.8U CN209051290U (en) | 2018-10-25 | 2018-10-25 | Pure electric vehicle integration electric drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209051290U true CN209051290U (en) | 2019-07-02 |
Family
ID=67051340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821737117.8U Active CN209051290U (en) | 2018-10-25 | 2018-10-25 | Pure electric vehicle integration electric drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209051290U (en) |
-
2018
- 2018-10-25 CN CN201821737117.8U patent/CN209051290U/en active Active
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| GR01 | Patent grant |