CN206856409U - A kind of rear axle of electric automobile frame - Google Patents
A kind of rear axle of electric automobile frame Download PDFInfo
- Publication number
- CN206856409U CN206856409U CN201720615539.7U CN201720615539U CN206856409U CN 206856409 U CN206856409 U CN 206856409U CN 201720615539 U CN201720615539 U CN 201720615539U CN 206856409 U CN206856409 U CN 206856409U
- Authority
- CN
- China
- Prior art keywords
- rear axle
- axle stand
- wheel shaft
- electric automobile
- shaft fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
It the utility model is related to electric vehicle engineering field, more particularly to a kind of rear axle of electric automobile frame.The technical solution adopted in the utility model is：Rear axle stand docks the agent structure used by two and formed, agent structure is integrally formed by the mode of mold injection, fastener hole centered on the center of rear axle stand, the upper end of rear axle stand is circular top surface, the lower end of rear axle stand is square bottom surface, rear axle stand is integral into pyramidal structure, the taper surface of rear axle stand is provided with wheel shaft fixing end, wheel shaft fixing end is provided with circular anti-skid washer, it is additionally provided with fixed via in wheel shaft fixing end, the side of the circular arc cutout unit on rear axle stand tapered end face is provided with the first fastening end and the second fastening end.The utility model has the advantages that：The weight capacity of rear axle of electric automobile is improved, facilitates the assembly manipulation of operating personnel, and the element precision of rear axle stand is more preferable, and safer using process, service life is longer, and reduces production cost on the whole, is more suitable for producing in enormous quantities.
Description
Technical field
It the utility model is related to electric vehicle engineering field, more particularly to a kind of rear axle of electric automobile frame.
Background technology
Electric car is using battery as energy source, by parts such as controller, motors, converts electrical energy into mechanical energy fortune
It is dynamic, change the vehicle of speed with control electric current size.First electric car produced in 1834, and it is by DC motor Driver
's.Even to this day, there occurs great variety, type are also varied for electric car.Wherein, electric automobile (EV) refers to vehicle-mounted
Power supply is power, is travelled with power wheel, meets road traffic, the vehicle of security legislation requirements.Due to environment
It is smaller to influence relatively conventional automobile, its prospect is had an optimistic view of extensively.
《Energy-conservation and new-energy automobile industrial development planning》Clearly report to the State Council,《Planning》It is thus lifted to national war
Slightly higher degree, it is intended to arrange the new office of automobile industry.One of seven great strategy new industries determined as country, new-energy automobile exists
Coming 10 years planned amount invested will be up to 100,000,000,000 yuan, and sales volume scale locks the first in the world.To the year two thousand twenty, new-energy automobile realizes production
Industry, energy-conservation are reached advanced world standards with new-energy automobile and key components and parts technology, pure electric automobile and plug-in mixing
Power vehicle market maintenance reaches 5,000,000.
Rear axle of electric automobile just refers to that root bridge behind automobile.If the vehicle of propons driving, then back axle is just only
It is follow-up bridge, only serves the effect of carrying.If propons is not drive axle, then back axle is exactly drive axle, is at this time removed
Carrying effect is outer to be also acted as driving and slows down and also have the effect of differential, if four-wheel drive, typically before back axle also
Equipped with a transfer gear.Propons back axle just refers to the part of front and back wheel axle, and propons includes shock-proof spring, steering gear, balance shaft etc.,
Back axle also includes drive shaft, travelling gear etc..And rear axle stand plays vital effect in whole back axle, it determines whole
The bearing capacity of individual back axle, and security and stability during use.
Utility model content
The purpose of this utility model is to provide a kind of rear axle of electric automobile frame, is integrally formed by way of mold injection,
Effectively increase the production efficiency and machining accuracy of rear axle stand, it is ensured that rear axle stand has more preferable structural stability, reduces
Production cost.Rear axle of electric automobile frame of the present utility model is also formed by two identical parts docking, during use more
Add conveniently, it is more convenient during fastening.
The technical solution of the utility model is as follows：
A kind of rear axle of electric automobile frame, rear axle stand dock the agent structure used by two and formed, it is characterised in that：It is described
Agent structure is integrally formed by the mode of mold injection, fastener hole centered on the center of the rear axle stand, and the center is tight
Solid hole is made up of the semicircle orifice of the agent structure, and the upper end of the rear axle stand is circular top surface, and the lower end of the rear axle stand is
Square bottom surface, the rear axle stand are more than the circle integral into pyramidal structure, the inscribe diameter of a circle of the square bottom surface
The diameter of top surface, fixed on the taper surface of the rear axle stand and close to the corner location of the square bottom surface provided with wheel shaft
End, the wheel shaft fixing end are formed by the circular arc cutout unit on the rear axle stand tapered end face, and the wheel shaft fixing end is provided with
Circular anti-skid washer, the anti-skid washer are linked together by way of pressing with the wheel shaft fixing end, and the wheel shaft is consolidated
Fixed via is additionally provided with fixed end, screw thread is not provided with the fixed via, the corner of the square bottom surface is provided with protection
Circular arc, the side of the circular arc cutout unit on the rear axle stand tapered end face is provided with the first fastening end and the second fastening end, described
At grade, the square bottom surface is vertical with first fastening end for first fastening end and second fastening end.
Further, first fastening end is close to the circular top surface, and second fastening end is close to the square
Bottom surface.
Further, the interface of the agent structure is surrounded by assembling fillet.
Further, the agent structure is made up of metallic aluminium by way of mold injection.
The beneficial effects of the utility model：
The utility model improves the weight capacity of rear axle of electric automobile, facilitates the assembly manipulation of operating personnel, and
The element precision of rear axle stand is more preferable, safer using process, and service life is longer, and reduces production cost on the whole,
It is more suitable for producing in enormous quantities.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is front schematic view of the present utility model；
Fig. 3 is the new schematic top plan view of this practicality；
Fig. 4 is side schematic view of the present utility model；
In figure：1st, agent structure, 2, central fastening hole, 3, circular top surface, 4, square bottom surface, 5, wheel shaft fixing end, 6,
Anti-skid washer, 7, fixed via, 8, protection circular arc, the 9, first fastening end, the 10, second fastening end, 11, assembling fillet.
Embodiment
As shown in Figures 1 to 4, a kind of rear axle of electric automobile frame, higher carrying energy can be provided for rear axle of electric automobile
Power, makes that the stability of electric automobile back axle when in use is more preferable, and electric automobile is operationally more safe and reliable.It additionally is able to full
The fast-developing requirement to production in enormous quantities now of sufficient electric automobile, can effectively improve production efficiency, reduce production cost.This reality
The agent structure 1 used is docked with new rear axle stand by two to form, operating personnel are more convenient when being assembled, installation
It is more efficient, and it is able to ensure that installation effect is more preferable.The agent structure 1 is integrally formed by the mode of mold injection, makes zero
The precision of part is higher, can be effectively increased its service life, and greatly improves production efficiency, effectively reduces and is produced into
This.Fastener hole 2 centered on the center of the rear axle stand, central fastening hole 2 are used for fixing the main connecting shaft of rear axle assy.Institute
State central fastening hole 2 to be made up of the semicircle orifice of the agent structure 1, the upper end of the rear axle stand is circular top surface 3, circular top surface
3 installation direction and automotive hub are in opposite direction, and the lower end of the rear axle stand is square bottom surface 4, square bottom surface 4 be used for
Rear drive shaft or trailing wheel connecting shaft link together.The rear axle stand is integral into pyramidal structure, and overall construction intensity is higher, quality
It is lighter.The inscribe diameter of a circle of the square bottom surface 4 is more than the diameter of the circular top surface 3, the taper of the rear axle stand
Be provided with wheel shaft fixing end 5 on face and close to the corner location of the square bottom surface 4, by the position of wheel shaft fixing end 5 and
Rear drive shaft or trailing wheel connecting shaft link together.The wheel shaft fixing end 5 is cut by the circular arc on the rear axle stand tapered end face
Except portion is formed, the wheel shaft fixing end 5 is provided with circular anti-skid washer 6, is fixed by the way of screw column plus nut
Connection, sets circular anti-skid washer 6 effectively to prevent from causing the situation of stripped thread to occur during fastening, it is ensured that part is in itself
Structural strength.The anti-skid washer 6 is linked together by way of pressing with the wheel shaft fixing end 5, using more convenient,
Packing ring need not be individually placed again in assembling is fixed, make tightening operation more convenient.It is additionally provided with the wheel shaft fixing end 5 solid
Determine through hole 7, screw thread is not provided with the fixed via 7, if being threaded hole, may cause during fastening to part
Intensity impact.The corner of the square bottom surface 4 is provided with protection circular arc 8, and the work of protection is played in assembling process
With.The side of circular arc cutout unit on the rear axle stand tapered end face is provided with the first fastening end 9 and the second fastening end 10, described
At grade, the square bottom surface 4 is hung down with first fastening end 9 for first fastening end 9 and second fastening end 10
Directly, fastening behaviour is carried out by the first fastening end 9 and the second fastening end 10 when being connected with the main connecting shaft of rear axle of electric automobile
Make, whole operation process is more convenient, first the part of half can be placed on main shaft, then second half part is docking together
Then fastened, by the first fastening end 9 and the second fastening end 10, fastening may insure that fastening effect is more preferable jointly, and tightly
Gu when stress evenly, so as to increase the service life of back axle on the whole.
Preferably, first fastening end 9 is close to the circular top surface 3, second fastening end 10 close to it is described just
Square bottom surface 4, it is ensured that uniform force during fastening, prevent from causing to damage to main connecting shaft, make electric automobile in the process of running more
Add safe and reliable.
Preferably, the interface of the agent structure 1 is surrounded by assembling fillet 11, two agent structures are being carried out
Due to the presence of tolerance during docking, preferably completely seamless spliced state is extremely difficult to when mounted, therefore in interface
Entirety is more coordinated after surrounding setting assembling fillet 11 can make installation.
Preferably, the agent structure 1 is made up of metallic aluminium by way of mold injection, ensure part have compared with
Also make the quality of part lighter on the basis of high structural strength, using in electric automobile, it is possible to reduce electric automobile is born
Load, improve the performance of electric automobile.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvement or replacement can also be made, these improvement
Or replace and also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of rear axle of electric automobile frame, rear axle stand docks the agent structure (1) used by two and formed, it is characterised in that：Institute
State agent structure (1) to be integrally formed by the mode of mold injection, centered on the center of the rear axle stand fastener hole (2), institute
State central fastening hole (2) to be made up of the semicircle orifice of the agent structure (1), the upper end of the rear axle stand is circular top surface (3), institute
The lower end for stating rear axle stand is square bottom surface (4), the rear axle stand integral into pyramidal structure, the square bottom surface (4) it is interior
The diameter that diameter of a circle is more than the circular top surface (3) is cut, on the taper surface of the rear axle stand and close to the square bottom
The corner location in face (4) is provided with wheel shaft fixing end (5), and the wheel shaft fixing end (5) is by the circle on the rear axle stand tapered end face
Arc cutout unit is formed, and the wheel shaft fixing end (5) is provided with circular anti-skid washer (6), and the anti-skid washer (6) passes through what is pressed
Mode is linked together with the wheel shaft fixing end (5), and fixed via (7) is additionally provided with the wheel shaft fixing end (5), described solid
Determine to be not provided with screw thread in through hole (7), the corner of the square bottom surface (4) is provided with protection circular arc (8), the rear axle stand taper
The side of circular arc cutout unit on end face is provided with the first fastening end (9) and the second fastening end (10), first fastening end (9)
With second fastening end (10) at grade, the square bottom surface (4) is vertical with first fastening end (9).
A kind of 2. rear axle of electric automobile frame according to claim 1, it is characterised in that：First fastening end (9) is close
The circular top surface (3), second fastening end (10) is close to the square bottom surface (4).
A kind of 3. rear axle of electric automobile frame according to claim 1, it is characterised in that：The docking of the agent structure (1)
Face is surrounded by assembling fillet (11).
A kind of 4. rear axle of electric automobile frame according to any one of claims 1 to 3, it is characterised in that：The agent structure
(1) it is made up of metallic aluminium by way of mold injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720615539.7U CN206856409U (en) | 2017-05-27 | 2017-05-27 | A kind of rear axle of electric automobile frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720615539.7U CN206856409U (en) | 2017-05-27 | 2017-05-27 | A kind of rear axle of electric automobile frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206856409U true CN206856409U (en) | 2018-01-09 |
Family
ID=60824571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720615539.7U Expired - Fee Related CN206856409U (en) | 2017-05-27 | 2017-05-27 | A kind of rear axle of electric automobile frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206856409U (en) |
-
2017
- 2017-05-27 CN CN201720615539.7U patent/CN206856409U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |