CN207106163U - A kind of Driven by Coaxial power assembly for electric automobile - Google Patents
A kind of Driven by Coaxial power assembly for electric automobile Download PDFInfo
- Publication number
- CN207106163U CN207106163U CN201720418326.5U CN201720418326U CN207106163U CN 207106163 U CN207106163 U CN 207106163U CN 201720418326 U CN201720418326 U CN 201720418326U CN 207106163 U CN207106163 U CN 207106163U
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- China
- Prior art keywords
- power assembly
- driven
- decelerator
- motor
- electric automobile
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Electric automobile electric drive technical field is the utility model is related to, discloses a kind of Driven by Coaxial power assembly for electric automobile, including：Motor and the decelerator detachably connected with the motor, hollow output shaft is provided with the output end of the motor, the hollow input shaft of the decelerator is connected with the hollow output shaft, and the output shaft of the decelerator is set with the hollow input shaft coaxial-type.The Driven by Coaxial power assembly have small volume and it is in light weight the advantages of.
Description
Technical field
Electric automobile electric drive technical field is the utility model is related to, more particularly to a kind of for the coaxial of electric automobile
Driving power assembly.
Background technology
In recent years, as country increasingly advocates thriftiness environmental protection so that electric automobile in automotive field increasingly by
The welcome of people.In terms of vehicle electrical motor design, using structure assembly designing technique, realize motor and decelerator in machinery and
Integrated design and application in terms of electromagnetism.However, existing decelerator, when carrying out integrated with motor, typically motor is defeated
The solid input shaft of shaft and decelerator is connected, and the solid input shaft of decelerator is driven by the rotation of output shaft
Rotate, be intermeshed by the gear on the gear and jackshaft on solid input shaft, so that jackshaft is rotated, from
And make it that another gear on jackshaft is engaged with the gear on output shaft, so as to realize the rotation of output shaft.However, by
The structure being arranged side by side using input shaft, jackshaft and output shaft mostly in existing decelerator, thus, space-consuming compared with
Greatly, it is unfavorable for the arrangement in cabin.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of Driven by Coaxial power assembly for electric automobile, to solve existing skill
Decelerator in art is the structure being arranged side by side using input shaft, jackshaft and output shaft mostly when carrying out integrated with motor,
Thus, space-consuming is larger, be unfavorable for cabin arrangement technical problem.
(2) technical scheme
In order to solve the above-mentioned technical problem, it is total to provide a kind of Driven by Coaxial power for electric automobile for the utility model
Into, including：Motor and the decelerator detachably connected with the motor, set in the output end of the motor
There is hollow output shaft, hollow input shaft and the hollow output shaft of the decelerator are connected, the output of the decelerator
Axle is set with the hollow input shaft coaxial-type.
Wherein, the internal diameter of the hollow input shaft is more than the internal diameter of the hollow output shaft；Or the hollow output shaft
Internal diameter is more than the internal diameter of the hollow input shaft.
Wherein, the motor and the decelerator bolt connection.
Wherein, suspension mount point is provided with the shell body of the motor and/or the shell body of the decelerator.
Wherein, the suspension mount point is configured to bolt connecting hole.
Wherein, multiple vertical strengthening ribs circumferentially are provided with compartment on the shell body of the decelerator.
Wherein, the Driven by Coaxial power assembly also includes cross reinforcing, and the cross reinforcing is multiple, wherein,
A cross reinforcing is provided between two adjacent vertical strengthening ribs.
Wherein, the shell body of the decelerator the correspondence decelerator the output shaft output end position structure
First through hole is made；The Driven by Coaxial power assembly also includes the electric motor end cap for being arranged on the outboard end of the motor,
The second through hole set with the first through hole in concentric type is configured with the electric motor end cap.
Wherein, it is equipped with oil sealing in the first through hole and second through hole.
Wherein, the manufacture material of the shell body of the motor is aluminium alloy.
(3) beneficial effect
Driven by Coaxial power assembly provided by the utility model, compared with prior art, has the following advantages that：
The application by the way that the output shaft of motor is configured into hollow-core construction, meanwhile, by the input shaft of decelerator also structure
Make as hollow-core construction, be connected by the hollow output shaft of motor and the hollow input shaft of decelerator, so as to structure
The hollow shaft of whole is caused, on this basis, by the way that the output shaft of decelerator and hollow input shaft coaxial-type are set, so that
The output shaft for obtaining the hollow input shaft and decelerator in decelerator forms concentric structure, so, just eliminates output shaft and individually accounts for
With the situation of certain space, further, the volume of the Driven by Coaxial power assembly of the application is greatly reduced, it is convenient to have
The effect of the arrangement in cabin.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the Driven by Coaxial power assembly for electric automobile of embodiments herein；
Fig. 2 is Fig. 1 internal structure schematic diagram；
Fig. 3 is the structural representation of Fig. 1 motor side.
In figure, 100：Driven by Coaxial power assembly；1：Motor；11：The shell body of motor；2：Decelerator；21：
Hollow input shaft；22：Output shaft；23：The shell body of decelerator；231：First through hole；3：Suspend mount point；4：It is vertical to strengthen
Muscle；5：Cross reinforcing；6：Oil sealing；7：Electric motor end cap；71：Second through hole.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is used to illustrate the utility model, but is not limited to the scope of the utility model.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment 1：
As depicted in figs. 1 and 2, schematically show that the Driven by Coaxial power assembly 100 includes the He of motor 1 in figure
Decelerator 2.
In embodiments herein, the motor 1 and decelerator 2 are detachably connected, in the output of motor 1
End is provided with hollow output shaft (not shown), and hollow input shaft 21 and the hollow output shaft of decelerator 2 are connected, the deceleration
The output shaft 22 of device 2 is set with the hollow coaxial-type of input shaft 21.So, carried out relative to decelerator of the prior art and motor
When integrated, for input shaft, jackshaft and output shaft in decelerator are generally set in side-by-side, the application will be by that will drive
The output shaft of motor 1 is configured to hollow-core construction, meanwhile, the input shaft of decelerator 2 is also configured as hollow-core construction, by driving
The hollow output shaft and the hollow input shaft 21 of decelerator 2 of dynamic motor 1 are connected, so as to be configured to the hollow shaft of whole,
On the basis of this, by the way that the output shaft 22 of decelerator 2 and the hollow coaxial-type of input shaft 21 are set, so that in decelerator 2
The output shaft 22 of hollow input shaft 21 and decelerator 2 forms concentric structure, so, just eliminates output shaft 22 and individually takes necessarily
The situation in space, further, the volume of the Driven by Coaxial power assembly 100 of the application is greatly reduced, have and facilitate cabin
The effect of the arrangement of room.
In the preferable technical scheme of the application, the internal diameter of the hollow input shaft 21 is more than the interior of hollow output shaft
Footpath, or hollow output shaft internal diameter be more than hollow input shaft 21 internal diameter.So, hollow input shaft 21 and hollow output shaft are facilitated
Drive connection, it is ensured that both can successfully connect.
In a specific embodiment, the hollow output shaft is connected with the hollow spline of input shaft 21.
As shown in figure 1, be the connected mode of motor 1 and decelerator 2 in further optimization above-mentioned technical proposal,
On the basis of above-mentioned technical proposal, the motor 1 and the bolt connection of decelerator 2.So, motor 1 can be ensured with subtracting
The integrated fastness of fast device 2, avoids the situation for getting loose or separating between the two.
In embodiments herein, first gear and the are provided with compartment vertically on the jackshaft of decelerator 2
Two gears, the 3rd gear is provided with hollow input shaft 21, the 4th gear is provided with output shaft 22, wherein, the 3rd gear with
First gear is meshed, and the second gear is meshed with the 4th gear.It should be noted that by hollow in motor 1
The rotation of output shaft, so as to drive the rotation of the 3rd gear on hollow input shaft 21, by the rotation of the 3rd gear, drive the
The rotation of one gear, further, second gear is driven to rotate with also synchronizing, by the rotation of the second gear, with band
The rotation of dynamic 4th gear, it is achieved thereby that driving the rotation of output shaft 22.
In embodiments herein, the motor 1 is water cooling driving motor, in the shell body 11 of the motor 1
Cooling water channel (not shown) is inside configured with, the water cooling driving motor has good cooling results relative to air-cooled motor
Advantage.
, can be respectively in first gear, second gear, the 3rd in order to reach the purpose of loss of weight in embodiments herein
Through hole is constructed on gear and the 4th gear, so, the overall weight of Driven by Coaxial power assembly 100 will be greatly reduced.
As depicted in figs. 1 and 2, the shell body 11 in the motor 1, the shell body 23 of decelerator 2 or in motor 1
Shell body 11 and decelerator 2 shell body 23 on be equipped with suspension mount point 3.The setting of the suspension mount point 3, facilitate this same
The suspending apparatus of axle driving power assembly 100 and automobile is attached.
In a specific embodiment, the suspension mount point 3 is configured to bolt connecting hole.
Circumferentially it is provided with as shown in figure 1, Fig. 1 schematically shows on the shell body 23 of the decelerator 2 in compartment
Multiple vertical strengthening ribs 4.It should be noted that the setting of the vertical strengthening ribs 4, can play the shell body for improving decelerator 2
The effect of 23 structural strength.
In a preferred embodiment, the Driven by Coaxial power assembly 100 also includes cross reinforcing 5, and this laterally adds
Strengthening tendons 5 is multiple, wherein, a cross reinforcing 5 is provided between two adjacent vertical strengthening ribs 4.It is readily appreciated that, the horizontal stroke
Setting to reinforcement 5, the structural strength of adjacent vertical strengthening ribs 4 can be strengthened, meanwhile, also act auxiliary enhancing and slow down
The effect of the structural strength of the shell body 23 of device 2.
As shown in figures 1 and 3, in embodiments herein, in the corresponding decelerator 2 of the shell body 23 of the decelerator 2
The position of output end of output shaft 22 be configured with first through hole 231.The Driven by Coaxial power assembly 100 also includes being arranged on drive
The electric motor end cap 7 of the outboard end of dynamic motor 1, is configured with the second through hole 71 on the electric motor end cap 7, the first through hole 231 and the
Two through holes 71 are set in concentric type, so, facilitate penetrating for output shaft 22.
Oil sealing 6 is equipped with the through hole 71 of first through hole 231 and second.The setting of the oil sealing 6, closure profit can be played
Lubricating oil enters the effect of the inside of Driven by Coaxial power assembly 100 with the water and dust for preventing the external world, further, prevents same
Mechanical part inside axle driving power assembly 100 occurs corrosion or causes the situation of the generation insulation fault of motor 1.
In one embodiment of the application, the manufacture material of the shell body 11 of the motor 1 is aluminium alloy.Need
Bright, aluminium alloy has the advantages of small density, light weight, thus, the motor 1 being fabricated by the aluminum alloy material
Shell body 11 also has the advantages of light weight.
In summary, the application is by the output shaft of motor 1 by being configured to hollow-core construction, meanwhile, by decelerator 2
Input shaft is also configured as hollow-core construction, is passed by the hollow output shaft of motor 1 and the hollow input shaft 21 of decelerator 2
Dynamic connection, so as to be configured to the hollow shaft of whole, on this basis, by by the output shaft 22 of decelerator 2 and hollow input shaft
21 coaxial-types are set, so that the output shaft 22 of the hollow input shaft 21 in decelerator 2 and decelerator 2 forms concentric structure,
So, the situation that output shaft 22 individually takes certain space is just eliminated, further, greatly reduces the coaxial of the application
The volume of driving power assembly 100, there is the effect for the arrangement for facilitating cabin.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (9)
- A kind of 1. Driven by Coaxial power assembly for electric automobile, it is characterised in that including：Motor and the decelerator detachably connected with the motor, sky is provided with the output end of the motor Heart output shaft, the hollow input shaft of the decelerator are connected with the hollow output shaft, the output shaft of the decelerator with The hollow input shaft coaxial-type is set；The internal diameter of the hollow input shaft is more than the internal diameter of the hollow output shaft；OrThe internal diameter of the hollow output shaft is more than the internal diameter of the hollow input shaft.
- 2. the Driven by Coaxial power assembly according to claim 1 for electric automobile, it is characterised in that the driving electricity Machine and the decelerator bolt connection.
- 3. the Driven by Coaxial power assembly according to claim 2 for electric automobile, it is characterised in that in the driving The shell body of the shell body of motor and/or the decelerator is provided with suspension mount point.
- 4. the Driven by Coaxial power assembly according to claim 3 for electric automobile, it is characterised in that the suspension peace Decorate and be configured to bolt connecting hole.
- 5. the Driven by Coaxial power assembly according to claim 1 for electric automobile, it is characterised in that in the deceleration Circumferentially multiple vertical strengthening ribs are provided with the shell body of device in compartment.
- 6. the Driven by Coaxial power assembly according to claim 5 for electric automobile, it is characterised in that the coaxial drive Dynamic power assembly also includes cross reinforcing, and the cross reinforcing is multiple, wherein, in two adjacent vertical reinforcements A cross reinforcing is provided between muscle.
- 7. the Driven by Coaxial power assembly according to claim 1 for electric automobile, it is characterised in that in the deceleration The position of the output end of the output shaft of the correspondence decelerator of the shell body of device is configured with first through hole；The Driven by Coaxial power assembly also includes the electric motor end cap for being arranged on the outboard end of the motor, in the motor The second through hole set with the first through hole in concentric type is configured with end cap.
- 8. the Driven by Coaxial power assembly according to claim 7 for electric automobile, it is characterised in that described first Oil sealing is equipped with through hole and second through hole.
- 9. the Driven by Coaxial power assembly according to claim 1 for electric automobile, it is characterised in that the driving electricity The manufacture material of the shell body of machine is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418326.5U CN207106163U (en) | 2017-04-19 | 2017-04-19 | A kind of Driven by Coaxial power assembly for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418326.5U CN207106163U (en) | 2017-04-19 | 2017-04-19 | A kind of Driven by Coaxial power assembly for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207106163U true CN207106163U (en) | 2018-03-16 |
Family
ID=61595933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720418326.5U Active CN207106163U (en) | 2017-04-19 | 2017-04-19 | A kind of Driven by Coaxial power assembly for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207106163U (en) |
-
2017
- 2017-04-19 CN CN201720418326.5U patent/CN207106163U/en active Active
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Effective date of registration: 20201125 Granted publication date: 20180316 |
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Date of cancellation: 20220216 Granted publication date: 20180316 |
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