CN209001741U - High gear motor assembly, transmission case assembly and electronic vehicle equipment - Google Patents
High gear motor assembly, transmission case assembly and electronic vehicle equipment Download PDFInfo
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- CN209001741U CN209001741U CN201821905985.2U CN201821905985U CN209001741U CN 209001741 U CN209001741 U CN 209001741U CN 201821905985 U CN201821905985 U CN 201821905985U CN 209001741 U CN209001741 U CN 209001741U
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Abstract
The utility model provides a kind of high gear motor assembly, transmission case assembly and electronic vehicle equipment, is related to high gear technical field of motors.Motor component and transmission case assembly, transmission case assembly include drive shaft and export axle assembly, and export axle assembly includes output shaft.Motor component and transmission case assembly are respectively arranged at the wheel hub two sides of wheel of vehicle, and drive shaft is passed through from wheel of vehicle axle center and connect afterwards with motor component.Output shaft is hollow shaft structure, and drive shaft is arranged in the centre bore of output shaft, and with the concentric setting of output shaft, output shaft is arranged in the axle center of the wheel hub of wheel of vehicle, and is sequentially connected with wheel of vehicle.The weight of motor component and the weight of transmission case assembly are distributed evenly in wheel hub two sides.High gear motor assembly realize the central axes of center of gravity and the vehicle of vehicle be overlapped or it is approximate be overlapped, larger deviate will not be had using the electronic vehicle equipment of the assembly and there are security risks when running at high speed because of whole vehicle center and vehicle central axes by ensureing.
Description
Technical field
The utility model relates to high gear technical field of motors, in particular to a kind of high gear motor assembly,
Transmission case assembly and electronic vehicle equipment.
Background technique
High-speed motor assembly is usually to be made of motor component and transmission case assembly, and high-speed motor assembly is being assembled to vehicle
Wheel when, the center of gravity of vehicle can be biased to installation high-speed motor assembly this on one side, have vehicle during high speed driving
Security risk.
For this purpose, people have carried out long-term exploration, various solutions are proposed.For example, wheel is installed electricity
The Position Design of machine at the structure being recessed to one side, overall structure after installing motor as far as possible close to wheel central axes,
Keep vehicle center of gravity as close with the central axes of vehicle as possible.
Although above scheme improves the structure of the prior art to a certain extent, shortcoming is remained:
Vehicle center of gravity is still in the state for deviateing vehicle central axes, and security risk when running at high speed still has.
And the placement space of general built-in motor is limited by vehicle modeling, and transmission system efficiency is lower, cannot equally be solved well
Certainly problem.
Utility model content
It the purpose of this utility model is to provide a kind of high gear motor assembly, is installed in wheel of vehicle, and again
Amount is evenly distributed, and the central axes of vehicle center of gravity and vehicle is overlapped or approximate coincidence, when support vehicles are run at high speed
Safety.
Another of the utility model is designed to provide a kind of transmission case assembly, and it can be used to match with electric machine assembly
It closes and constitutes above-mentioned high gear motor assembly, and then realize the function of high gear motor assembly.
Another of the utility model is designed to provide a kind of electronic vehicle equipment comprising above-mentioned high gear electricity
Machine assembly, the complete characteristic with the high gear motor assembly.
The embodiments of the present invention are achieved in that
It includes: motor component and gearbox group that the embodiments of the present invention, which provide a kind of high gear motor assembly,
Part, the transmission case assembly include drive shaft and export axle assembly, and the export axle assembly includes output shaft；
The motor component and the transmission case assembly are respectively arranged at the wheel hub two sides of wheel of vehicle, the drive shaft from
It passes through at wheel of vehicle axle center and is connect afterwards with the motor component；
The output shaft is hollow shaft structure, and the drive shaft is arranged in the centre bore of the output shaft, and with it is described defeated
The inner wall of the concentric setting of shaft, the outer surface of the drive shaft and the centre bore has gap, and the output shaft is arranged in
The axle center of the wheel hub of wheel of vehicle, and be sequentially connected with wheel of vehicle；
The weight of the motor component and the weight of the transmission case assembly are distributed evenly in the wheel hub two of wheel of vehicle
Side, so that the center of gravity of the high gear motor assembly is at the wheel hub place of wheel of vehicle.
In addition, the high gear motor assembly that embodiment according to the present utility model provides, can also have following additional
Technical characteristic:
In the alternative embodiment of the utility model, the weight of the motor component and the weight of the transmission case assembly are equal
It is distributed in the wheel hub two sides of wheel of vehicle evenly and makes the center of gravity of the high gear motor assembly and the central axes weight of vehicle
It closes or close to the central axes of vehicle.
In the alternative embodiment of the utility model, the motor component includes rotor assembly, field frame assembly and motor casing
Body assembly, the transmission case assembly further include gear box casing assembly and variable speed assembly；
The field frame assembly is located inside the electric machine casing assembly, and the variable speed assembly is set to the gear box casing
Inside assembly, one end of the drive shaft is connect with the rotor assembly；The rotor assembly is located in the field frame assembly, institute
The other end and the variable speed assembly for stating drive shaft are sequentially connected, and the variable speed assembly and wheel of vehicle are sequentially connected.
In the alternative embodiment of the utility model, the variable speed assembly includes countershaft pinion gear and countershaft gear wheel；
The drive shaft is equipped with first gear, and the countershaft gear wheel is engaged with the first gear, the countershaft canine tooth
Wheel is connect with the countershaft pinion drive, and the countershaft pinion gear is rotatablely arranged in the gear box casing assembly
Portion, the output shaft are equipped with second gear, and the countershaft pinion gear is engaged with the second gear.
In the alternative embodiment of the utility model, there is bearing construction section and oil sealing to install for one end of the centre bore
Section, the cross-sectional area of the bearing construction section are greater than the cross-sectional area of the oil sealing construction section；The export axle assembly is also
Including output shaft bearing and output shaft oil sealing；
The output shaft oil sealing is set to the oil sealing construction section and is bonded with the peripheral wall of the drive shaft, the output shaft
Bearing is set to the bearing construction section and is located at the side far from the motor component of the output shaft oil sealing, the output
The bearing inner race of axle bearing and the driving axis connection, the bearing outer ring of the output shaft bearing are connected to the output shaft.
In the alternative embodiment of the utility model, the output shaft and wheel of vehicle are welded；
Alternatively, the output shaft is fixedly connected with wheel of vehicle by spline and nut.
In the alternative embodiment of the utility model, the electric machine casing assembly includes electric machine casing, the transmission housing
Body assembly includes gear box casing, and the electric machine casing and/or the gear box casing are aluminum hull.
The embodiments of the present invention provide a kind of transmission case assembly, including gear box casing assembly, drive shaft, countershaft
Pinion gear, countershaft gear wheel and export axle assembly, the export axle assembly include output shaft；
The drive shaft is equipped with first gear, and the output shaft is equipped with second gear, and the output shaft is hollow shaft structure,
The drive shaft is arranged in the centre bore of the output shaft, and with the concentric setting of the output shaft, the appearance of the drive shaft
The inner wall of face and the centre bore has gap；
The countershaft gear wheel is engaged with the first gear, and the countershaft gear wheel and the countershaft pinion drive connect
It connects, the countershaft pinion gear is rotatablely arranged inside the gear box casing assembly, the countershaft pinion gear and described the
The engagement of two gears.
The embodiments of the present invention provide a kind of electronic vehicle equipment, including delivery car body, wheel group and above-mentioned
High gear motor assembly described in one, the wheel group include wheel of vehicle, and the delivery car body is equipped with the vehicle
Wheel, the motor component and the transmission case assembly are respectively arranged at the two sides of the wheel hub of the wheel of vehicle.
In the alternative embodiment of the utility model, be set to it is described delivery car body the wheel of vehicle be divided into front-wheel and
Rear-wheel, the motor component and the transmission case assembly be respectively arranged at the front-wheel hub two sides and/or the motor section
Part and the transmission case assembly are respectively arranged at the two sides of the rear-wheel hub.
The beneficial effects of the utility model are:
High gear motor assembly is by improving the composition side between motor component 1, transmission case assembly 3 and wheel of vehicle 2
Formula realizes that the center of gravity of vehicle is overlapped with the central axes of vehicle or the high gear motor assembly is applied in approximate coincidence, guarantee
Electronic vehicle equipment will not have larger offset when running at high speed because of whole vehicle center and vehicle central axes and there are security risks.
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 the schematic diagram that the high gear motor assembly that the embodiments of the present invention 1 provide is set to wheel of vehicle；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the schematic diagram of the transmission case assembly in Fig. 2；
Fig. 4 is the schematic diagram of the motor component in Fig. 2；
Fig. 5 is the schematic diagram that output shaft and drive shaft are set to wheel of vehicle；
Fig. 6 is the cross-sectional view of output shaft.
Icon: 1- motor component；2- wheel of vehicle；3- transmission case assembly；4- output shaft；401- centre bore；402- bearing
Construction section；403- oil sealing construction section；5- gear box casing assembly；6- countershaft pinion gear；7- countershaft gear wheel；8- rotor assembly；
9- drive shaft；10- electric machine casing assembly；11- field frame assembly；12- No.1 bearing；No. bis- bearings of 13-；14- No.1 oil sealing；15-
No. two oil sealings；No. tri- bearings of 16-；17- output shaft oil sealing；18- output shaft bearing；No. tetra- bearings of 19-；No. five bearings of 20-；
21- countershaft.
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", "outside"
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 is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
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.
Embodiment 1
Fig. 1 to Fig. 6 is please referred to, a kind of high gear motor assembly is present embodiments provided, comprising: motor component 1 and change
Fast 3 transmission case assembly 3 of box assembly, 3 transmission case assembly 3 of transmission case assembly include drive shaft 9 and export axle assembly, export axle assembly
Including output shaft 4；
Motor component 1 and transmission case assembly 3 are respectively arranged at the wheel hub two sides of wheel of vehicle 2, and drive shaft 9 is from wheel of vehicle
It passes through at 2 axle center and is connect afterwards with motor component 1；
Output shaft 4 is hollow shaft structure, and drive shaft 9 is arranged in the centre bore 401 of output shaft 4, and concentric with output shaft 4
Setting, the outer surface of drive shaft 9 and the inner wall of centre bore 401 have gap, and output shaft 4 is arranged in the wheel hub of wheel of vehicle 2
Axle center, and be sequentially connected with wheel of vehicle 2；
The weight of motor component 1 and the weight of transmission case assembly 3 are distributed evenly in the wheel hub two sides of wheel of vehicle 2, with
At where so that the center of gravity of high gear motor assembly is in the wheel hub of wheel of vehicle 2.
Preferably, in the present embodiment, the weight of motor component 1 and the weight of transmission case assembly 3 are distributed evenly in vehicle
The wheel hub two sides of wheel 2 and the center of gravity of high gear motor assembly is overlapped with the central axes of vehicle or close to vehicle
Central axes.In this way can farthest safety of the support vehicles when running at high speed, evade centre-of gravity shift bring safety
Hidden danger.
Wherein, the two sides that the weight of motor component 1 and the weight of transmission case assembly 3 are distributed evenly in wheel of vehicle refer to
The similar weight of 3 the two of motor component 1 and transmission case assembly, enables to the weight of 2 two sides of wheel of vehicle symmetrically to divide after installation
Cloth or near symmetrical distribution, allow to have slight deviations, as long as deviation be unlikely to so that the weight of 2 two sides of wheel of vehicle excessively not
?.
Correspondingly, the center of gravity of high gear motor assembly is overlapped with the central axes of vehicle or close to the central axes of vehicle
It is to determine that, when weight substantially uniformity, high gear motor is total by motor component 1 and the distribution of weight of both transmission case assemblies 3
At center of gravity be overlapped with the central axes of vehicle；When weight has slight deviations, the center of gravity of high gear motor assembly and vehicle
What central axes were also proximate to, since the structure of battery-operated motor cycle or electronic vehicle equipment entirety is that comparison is symmetrical, central axes are then
It is to be located in the plane of symmetry locating for the symmetrical center line along the radial symmetric of wheel of vehicle 2, direction is advanced along vehicle
Direction.The structure of battery-operated motor cycle or electronic vehicle equipment entirety is that comparison is symmetrical, and distribution of weight itself is in central axes
Two sides are more symmetrical, whole in the case where the center of gravity of high gear motor assembly is overlapped with the central axes of vehicle or is close
The weight of vehicle be also it is more symmetrical in central axes two sides, in other words, the center of gravity of vehicle can be also overlapped with central axes or
It is close.
Specifically, motor component 1 includes rotor assembly 8, field frame assembly 11 and electric machine casing assembly 10, field frame assembly 11
Inside electric machine casing assembly 10,3 transmission case assembly 3 of transmission case assembly further includes gear box casing assembly 5 and speed change group
Part；
Variable speed assembly is set to inside gear box casing assembly 5, and one end of drive shaft 9 connect and makes with rotor assembly 8
Rotor assembly 8 is located in field frame assembly 11, and the other end and variable speed assembly of drive shaft 9 are sequentially connected, variable speed assembly and vehicle
Wheel 2 is sequentially connected.
Wherein, rotor assembly 8 is made of rotor core and magnet steel, and magnet steel is embedded in rotor core or is attached to rotor core
Outer circumference surface on, field frame assembly 11 is made of stator core and enameled wire or flat copper wire.Rotor assembly 8 and field frame assembly 11
It can refer to the rotor and stator of the high-speed motor assembly in general technology, details are not described herein again.
Further, electric machine casing assembly 10 is by electric machine casing, No.1 bearing 12 and No. two bearings 13, No.1 oil sealing
14 compositions.Its installation site is as shown in figure 4, No.1 bearing 12 and No. two bearings 13 are symmetrical and be coaxially disposed within electric machine casing
Opposite two sides, No.1 oil sealing 14 are set to the left side of No. two bearings 13.Its mutual more specific installation connection type is equal
It can refer to the connection type and mounting means between general bearing and oil sealing.
Gear box casing assembly 5 is by gear box casing, No. three bearings 19 of oil sealing 15, four of bearing 16, two and No. five axis
20 compositions are held, installation site is as shown in Figure 3.No. three bearings 16 are set to the right side inner wall of gear box casing in figure and are sheathed on
Bearing mounting groove (card slot) is arranged in the right side inner wall of the periphery of output shaft 4, gear box casing；No. two oil sealings 15 are located at No. three bearings
16 right side, No. four bearings 19 and No. five bearings 20 are then coaxially disposed in figure in transmission housing body and are sheathed on countershaft 21
Both ends, the inner left wall of gear box casing are provided with the bearing mounting groove (card slot) of No. four bearings 19 of installation, gear box casing
Right side inner wall is provided with the bearing mounting groove (card slot) of No. five bearings 20 of installation.Its mutual installation connection type can join
According to the connection type and mounting means between general bearing and oil sealing, details are not described herein again.
Electric machine casing and/or gear box casing are aluminum hull, and in the present embodiment, electric machine casing and gear box casing are aluminium
Shell, intensity is reliable and lighter in weight is easily-controllable, more beneficial for dispensed weight.Wherein, the lighter in weight of aluminum hull is easily-controllable, refers to
For the same volume shell heavier compared to the weight of other quality, aluminum hull will increase weight or reduce weight when processing
The volume for needing to increase and decrease can be bigger, in this way the increase and decrease of the volume of aluminum hull is not had to excessively accurately can be achieved with, and is more favorable for adding
The Weight control in working hour.For example, electric machine casing where side weight be greater than gear box casing where side weight, then it is contemplated that
Increase the volume of gear box casing in production, or reduces the volume of electric machine casing to realize the weight of hub for vehicle wheel two sides
Equilibrium, and when changing volume, due to being aluminum hull, there can be certain reduction for the design requirement of corresponding casting mould, allow
Error it is broader, even if because the error of volume ratio other materials larger, caused by weight deviation it is also smaller, in this way plus
Work, which manufactures more convenient and final aluminum hull also, enough strength protections.Therefore in contrast, the lighter in weight of aluminum hull
It is easily-controllable, it is more beneficial for dispensed weight.
Detailed, variable speed assembly includes countershaft pinion gear 6 and countershaft gear wheel 7, and drive shaft 9 is gear shaft, and drive shaft 9 has
There is the first teeth portion, countershaft gear wheel 7 is engaged with the first teeth portion, and countershaft gear wheel 7 and countershaft pinion gear 6 are connected by the transmission of countershaft 21
It connects, countershaft pinion gear 6 is rotatablely arranged inside gear box casing assembly 5, and output shaft 4 has the second teeth portion, the small tooth of countershaft
Wheel 6 is engaged with second gear, and output shaft 4 and wheel of vehicle 2 are sequentially connected.
Specifically, one end of centre bore 401 is in stepped hole shape, as shown in Figure 6.Further, one end of centre bore 401
With bearing construction section 402 and oil sealing construction section 403, the cross-sectional area of bearing construction section 402 is greater than oil sealing construction section 403
Cross-sectional area.Detailed, bearing construction section 402 is compared to oil sealing construction section 403 closer to the end sections of output shaft 4
And the internal diameter of bearing construction section 402 is greater than the internal diameter of oil sealing construction section 403.Drive shaft 9 is arranged in the centre bore of output shaft 4
401 and with the concentric setting of output shaft 4.The motor component 1 and 3 gearbox of transmission case assembly of the present embodiment can either be realized in this way
Connection between component 3 in turn ensures that the rotation of wheel of vehicle 2 will not interfere between the rotation of drive shaft 9.
Specifically, export axle assembly further includes output shaft bearing 18 and output shaft oil sealing 17, output shaft oil sealing 17 is set to
It oil sealing construction section 403 in the centre bore 401 of output shaft 4 and is bonded with the peripheral wall of drive shaft 9, output shaft bearing 18 is set to
The side of bearing construction section 402 in the centre bore 401 of output shaft 4 and the separate motor component 1 positioned at output shaft oil sealing 17, it is defeated
The bearing inner race of axle bearing 18 is connect with drive shaft 9 out, and the bearing outer ring of output shaft bearing 18 is connect with output shaft 4.
Detailed, output shaft 4 can be welded with wheel of vehicle 2；
Either, output shaft 4 can be fixedly connected with wheel of vehicle 2 by spline and nut.Spline and nut
It is cooperatively connected compared to for the connection of general flat key, there is more reliable connective stability under the such operating condition of vehicle driving,
The load bearing ability of junction is good, therefore is more suitable for using in high gear motor assembly.The cooperation of spline and nut
It is referred to the connection type of existing output shaft 4, details are not described herein again.It is defeated in addition to the connection type that the present embodiment is enumerated
Connection between shaft 4 and wheel of vehicle 2 can also be referring to some other common battery-operated motor cycle or electronic vehicle equipment etc.
Mode is fixedly connected between the axle of same types of vehicles and wheel.By stable connection, the reliability of transmission can be ensured.
The present embodiment is by improving the composition between motor component 1,3 transmission case assembly 3 of transmission case assembly and wheel of vehicle 2
Mode makes motor component 1 and 3 transmission case assembly 3 of transmission case assembly be in the both sides of the wheel of vehicle 2 of electronic vehicle equipment, electricity
The weight of 3 transmission case assembly 3 of machine component 1 and transmission case assembly is symmetrically distributed in the wheel hub both sides of wheel of vehicle 2, realizes vehicle
Center of gravity be overlapped with the central axes of vehicle；Or the weight near symmetrical of 3 transmission case assembly 3 of motor component 1 and transmission case assembly
The both sides of wheel of vehicle 2 are distributed in, the center of gravity for realizing vehicle is approximate with the central axes of vehicle to be overlapped.When running at high speed to ensure
Vehicle will not have larger offset because of whole vehicle center and vehicle central axes and there are security risks.
Embodiment 2
The present embodiment is also provided that a kind of high gear motor assembly, the high gear in the present embodiment and embodiment 1
The difference of motor assembly is:
Variable speed assembly includes countershaft pinion gear 6 and countershaft gear wheel 7, and the part of the separate rotor assembly 8 of drive shaft 9 is equipped with
First gear, countershaft gear wheel 7 are engaged with first gear, and countershaft gear wheel 7 and countershaft pinion gear 6 are sequentially connected, the small tooth of countershaft
Wheel 6 is rotatablely arranged inside gear box casing assembly 5, and output shaft 4 is equipped with second gear, countershaft pinion gear 6 and the second tooth
Wheel engagement, output shaft 4 and wheel of vehicle 2 are sequentially connected.
Remaining structure can refer to the diagram of embodiment 1 and the corresponding label of embodiment 1.
By substituting the first teeth portion with first gear, second gear substitutes the second teeth portion, and the present embodiment equally can be realized
The function of high gear motor assembly in embodiment 1.
Embodiment 3
The present embodiment is also provided that a kind of high gear motor assembly, the high gear in the present embodiment and embodiment 1
The difference of motor assembly is:
Variable speed assembly includes countershaft pinion gear 6 and countershaft gear wheel 7, and the part of the separate rotor assembly 8 of drive shaft 9 is equipped with
Third gear, countershaft gear wheel 7 are engaged with third gear, and countershaft gear wheel 7 and countershaft pinion gear 6 are sequentially connected, the small tooth of countershaft
Wheel 6 is rotatablely arranged inside gear box casing assembly 5, and output shaft 4 is equipped with third teeth portion, countershaft pinion gear 6 and third tooth
Portion's engagement, output shaft 4 and wheel of vehicle 2 are sequentially connected.The structure of third teeth portion can be identical with the second teeth portion.
Remaining structure can refer to the diagram of embodiment 1 and the corresponding label of embodiment 1.
By substituting the first teeth portion with third gear, third teeth portion substitutes the second teeth portion, and the present embodiment equally can be realized
The function of high gear motor assembly in embodiment 1.Wherein, third teeth portion and the second teeth portion are same structures, herein title
On difference be that should not be understood as the ease of distinguishing different embodiments to the restriction in structure.
It will be appreciated that being also possible to retain the first teeth portion, the second teeth portion, which is substituted for, to nibble with countershaft pinion gear 6
The gear of conjunction.
Embodiment 4
The embodiments of the present invention provide a kind of 3 transmission case assembly 3 of transmission case assembly, including gear box casing assembly
5, drive shaft 9, countershaft pinion gear 6, countershaft gear wheel 7 and export axle assembly, export axle assembly include output shaft 4；
Drive shaft 9 is equipped with first gear, and output shaft 4 is equipped with second gear, and output shaft 4 is hollow shaft structure, and drive shaft 9 is worn
Set on the centre bore 401 of output shaft 4, and with the concentric setting of output shaft 4, the inner wall of the outer surface of drive shaft 9 and centre bore 401
With gap；
Countershaft gear wheel 7 is engaged with first gear, and countershaft gear wheel 7 and countershaft pinion gear 6 are sequentially connected, countershaft pinion gear
6 are rotatablely arranged inside gear box casing assembly 5, and countershaft pinion gear 6 is engaged with second gear.
Wherein, the diagram of the structure member of 3 transmission case assembly 3 of transmission case assembly, the gearbox being referred in embodiment 1
The diagram of the corresponding construction of 3 transmission case assembly 3 of component.
The detailed construction of 3 transmission case assembly 3 of transmission case assembly and match with the devices such as motor component 1, wheel of vehicle 2
It closes, can refer to the corresponding construction and matching relationship in embodiment 1, details are not described herein again.
3 transmission case assembly 3 of transmission case assembly of the present embodiment can be used in being co-located on wheel of vehicle with motor component 1
The weight balancing of 2 two sides of wheel of vehicle is realized in 2 wheel hub two sides.
Embodiment 5
The embodiments of the present invention provide a kind of electronic vehicle equipment, including delivery car body, wheel group and above-mentioned
High gear motor assembly in one embodiment, wheel group include wheel of vehicle 2, and delivery car body is equipped with wheel of vehicle 2, motor
Component 1 and transmission case assembly 3 are respectively arranged at the two sides of the wheel hub of wheel of vehicle 2.
Further, the wheel of vehicle 2 for being set to delivery car body divides for front wheels and rear wheels, motor component 1 and gearbox group
Part 3 is respectively arranged at the two sides of front-wheel hub and/or motor component 1 and transmission case assembly 3 are respectively arranged at the two of rear-wheel hub
Side.
Wherein, the diagram of corresponding construction parts possessed by high gear motor assembly is referred to the height in embodiment 1
The corresponding diagram of fast gear motor assembly.
Wherein, car body is delivered, wheel group can refer to electronic vehicle equipment in the prior art.
More specifically, electronic vehicle equipment includes electric unicycle, electric bicycle, battery-operated motor cycle etc. and other vehicles
Take turns the multi-wheeled vehicle of single setting.
For example, electronic vehicle equipment is battery-operated motor cycle.Battery-operated motor cycle include body of motor cycle, bike wheel group and
High gear motor assembly in embodiment 1, body of motor cycle are provided with the wheel of vehicle 2 of bike wheel group, high gear
Motor assembly is set to the wheel of vehicle 2 of body of motor cycle, and motor component 1 and transmission case assembly 3 are respectively arranged at wheel of vehicle 2
Two sides.
Wherein, body of motor cycle, bike wheel group can refer to battery-operated motor cycle in the prior art.
By using high gear motor assembly of the embodiment 1-3 in any one, battery-operated motor cycle energy when running at high speed
Enough evade center of gravity and the larger bring security risk of vehicle axis line offset.
In another example electronic vehicle equipment is electric bicycle.Electric bicycle includes electric vehicle body, Electricmotor car wheel group
With the high gear motor assembly in embodiment 1, electric vehicle body is provided with the wheel of vehicle 2 of Electricmotor car wheel group, high speed tooth
Turbin generator assembly is set to wheel of vehicle 2, and motor component 1 and transmission case assembly 3 are respectively arranged at the rear portion of electric vehicle body
The two sides of wheel.
Wherein, electric vehicle body, Electricmotor car wheel group can refer to electric bicycle in the prior art.
By using high gear motor assembly of the embodiment 1-3 in any one, electric bicycle energy when running at high speed
Enough evade center of gravity and the larger bring security risk of vehicle axis line offset.
Therefore, the high gear motor assembly by using embodiment 1-3 in any one, electronic vehicle equipment is in high speed row
Center of gravity and vehicle axis line offset larger bring security risk can be evaded when sailing.
To sum up, the high gear motor assembly of the utility model is by improving motor component 1,3 gearbox of transmission case assembly
Building form between component 3 and wheel of vehicle 2 realizes that the center of gravity of vehicle is overlapped or approximate coincidence with the central axes of vehicle,
Ensureing will not be because of in whole vehicle center and vehicle when running at high speed using the electronic vehicle equipment of the high gear motor assembly
Axis has larger offset and there are security risks.
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 high gear motor assembly characterized by comprising motor component and transmission case assembly, the gearbox group
Part includes drive shaft and export axle assembly, and the export axle assembly includes output shaft；
The motor component and the transmission case assembly are respectively arranged at the wheel hub two sides of wheel of vehicle, and the drive shaft is from vehicle
It passes through at axis wheel and is connect afterwards with the motor component；
The output shaft is hollow shaft structure, and the drive shaft is arranged in the centre bore of the output shaft, and with the output shaft
The inner wall of concentric setting, the outer surface of the drive shaft and the centre bore has gap, and the output shaft is arranged in vehicle
The axle center of the wheel hub of wheel, and be sequentially connected with wheel of vehicle；
The weight of the motor component and the weight of the transmission case assembly are distributed evenly in the wheel hub two sides of wheel of vehicle, with
At where so that the center of gravity of the high gear motor assembly is in the wheel hub of wheel of vehicle.
2. high gear motor assembly according to claim 1, which is characterized in that the weight of the motor component with it is described
The weight of transmission case assembly is distributed evenly in the wheel hub two sides of wheel of vehicle and makes the weight of the high gear motor assembly
The heart is overlapped with the central axes of vehicle or close to the central axes of vehicle.
3. high gear motor assembly according to claim 1, which is characterized in that the motor component includes that rotor is total
It further include gear box casing assembly and variable speed assembly at, field frame assembly and electric machine casing assembly, the transmission case assembly；
The field frame assembly is located inside the electric machine casing assembly, and the variable speed assembly is set to the gear box casing assembly
Inside, one end of the drive shaft are connect with the rotor assembly；The rotor assembly is located in the field frame assembly, the drive
The other end of moving axis and the variable speed assembly are sequentially connected, and the variable speed assembly and wheel of vehicle are sequentially connected.
4. high gear motor assembly according to claim 3, which is characterized in that the variable speed assembly includes the small tooth of countershaft
Wheel and countershaft gear wheel；
The drive shaft is equipped with first gear, and the countershaft gear wheel engages with the first gear, the countershaft gear wheel and
The countershaft pinion drive connection, the countershaft pinion gear are rotatablely arranged inside the gear box casing assembly, institute
Output shaft is stated equipped with second gear, the countershaft pinion gear is engaged with the second gear.
5. high gear motor assembly according to claim 4, which is characterized in that one end of the centre bore has bearing
Construction section and oil sealing construction section, the cross-sectional area of the bearing construction section are greater than the cross-sectional area of the oil sealing construction section；
The export axle assembly further includes output shaft bearing and output shaft oil sealing；
The output shaft oil sealing is set to the oil sealing construction section and is bonded with the peripheral wall of the drive shaft, the output shaft bearing
It is set to the bearing construction section and is located at the side far from the motor component of the output shaft oil sealing, the output shaft axis
The bearing inner race held and the driving axis connection, the bearing outer ring of the output shaft bearing are connected to the output shaft.
6. high gear motor assembly according to claim 4 or 5, which is characterized in that the output shaft and wheel of vehicle
Welding；
Alternatively, the output shaft is fixedly connected with wheel of vehicle by spline and nut.
7. high gear motor assembly according to claim 3, which is characterized in that the electric machine casing assembly includes motor
Shell, the gear box casing assembly includes gear box casing, and the electric machine casing and/or the gear box casing are aluminum hull.
8. a kind of transmission case assembly, which is characterized in that including gear box casing assembly, drive shaft, countershaft pinion gear, countershaft canine tooth
Wheel and export axle assembly, the export axle assembly include output shaft；
The drive shaft is equipped with first gear, and the output shaft is equipped with second gear, and the output shaft is hollow shaft structure, described
Drive shaft is arranged in the centre bore of the output shaft, and with the concentric setting of the output shaft, the outer surface of the drive shaft with
The inner wall of the centre bore has gap；
The countershaft gear wheel is engaged with the first gear, and the countershaft gear wheel is connect with the countershaft pinion drive,
The countershaft pinion gear is rotatablely arranged inside the gear box casing assembly, the countershaft pinion gear and second tooth
Wheel engagement.
9. a kind of electronic vehicle equipment, which is characterized in that including described in delivery car body, wheel group and claim any one of 1-7
High gear motor assembly, the wheel group includes wheel of vehicle, and the delivery car body is equipped with the wheel of vehicle, described
Motor component and the transmission case assembly are respectively arranged at the two sides of the wheel hub of the wheel of vehicle.
10. electronic vehicle equipment according to claim 9, which is characterized in that be set to the vehicle of the delivery car body
Wheel is divided into front wheels and rear wheels, and the motor component and the transmission case assembly are respectively arranged at the two of the front-wheel hub
Side and/or the motor component and the transmission case assembly are respectively arranged at the two sides of the rear-wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905985.2U CN209001741U (en) | 2018-11-19 | 2018-11-19 | High gear motor assembly, transmission case assembly and electronic vehicle equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905985.2U CN209001741U (en) | 2018-11-19 | 2018-11-19 | High gear motor assembly, transmission case assembly and electronic vehicle equipment |
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| Publication Number | Publication Date |
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| CN209001741U true CN209001741U (en) | 2019-06-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821905985.2U Active CN209001741U (en) | 2018-11-19 | 2018-11-19 | High gear motor assembly, transmission case assembly and electronic vehicle equipment |
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| Country | Link |
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| CN (1) | CN209001741U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301990A (en) * | 2018-11-19 | 2019-02-01 | 苏州蓝石新动力有限公司 | High gear motor assembly, transmission case assembly and electronic vehicle equipment |
| CN110920319A (en) * | 2019-12-31 | 2020-03-27 | 西南大学 | Combined wheel for central driving type electric driving system assembly |
| CN111204407A (en) * | 2019-12-31 | 2020-05-29 | 西南大学 | Fixed shaft type large-load self-adaptive electric drive assembly adopting central drive form |
| WO2021135826A1 (en) * | 2019-12-31 | 2021-07-08 | 西南大学 | Central drive type electric drive system assembly |
-
2018
- 2018-11-19 CN CN201821905985.2U patent/CN209001741U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301990A (en) * | 2018-11-19 | 2019-02-01 | 苏州蓝石新动力有限公司 | High gear motor assembly, transmission case assembly and electronic vehicle equipment |
| CN109301990B (en) * | 2018-11-19 | 2023-11-07 | 苏州蓝石新动力有限公司 | High-speed gear motor assembly, gearbox assembly and electric carrying equipment |
| CN110920319A (en) * | 2019-12-31 | 2020-03-27 | 西南大学 | Combined wheel for central driving type electric driving system assembly |
| CN111204407A (en) * | 2019-12-31 | 2020-05-29 | 西南大学 | Fixed shaft type large-load self-adaptive electric drive assembly adopting central drive form |
| WO2021135826A1 (en) * | 2019-12-31 | 2021-07-08 | 西南大学 | Central drive type electric drive system assembly |
| CN110920319B (en) * | 2019-12-31 | 2023-12-22 | 西南大学 | Combined wheel for a central drive electric drive system assembly |
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