CN209458370U - Integrally formed electric vehicle differential box body - Google Patents
Integrally formed electric vehicle differential box body Download PDFInfo
- Publication number
- CN209458370U CN209458370U CN201822023007.1U CN201822023007U CN209458370U CN 209458370 U CN209458370 U CN 209458370U CN 201822023007 U CN201822023007 U CN 201822023007U CN 209458370 U CN209458370 U CN 209458370U
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- Prior art keywords
- axle
- electric vehicle
- integrally formed
- transition
- box body
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Abstract
The utility model proposes a kind of integrally formed electric vehicle differential box bodies, the electric vehicle differential box body includes an integrally formed cabinet shell (1), and the cabinet shell (1) sets gradually active engineer room, transition engineer room (3) and output engineer room (4) from top to bottom；The active engineer room, which is equipped with, is connected to two external motor shaft axis holes (21) of the cabinet shell (1), the transition engineer room (3), which is equipped with, is connected to two external transition axle blocks (31) of the cabinet shell (1), and output engineer room (4), which is equipped with, is connected to two external output axle holes (41) of the cabinet shell (1)；Axle center positioned at the motor shaft axis hole (21) of two sides, the transition axle block (31) and output axle hole (41) is respectively positioned on same straight line.
Description
Technical field
The utility model relates to a kind of differential box more particularly to a kind of integrally formed electric vehicle differential box bodies.
Background technique
With the continuous development of new energy vehicle, electric vehicle has become many cities as a kind of vehicle of novel environment-friendly
The main means of transport in city, and the approval of society is increasingly obtained, currently, other than electric bus, electro-tricycle,
Electric low carriage is popularized, and in recent years, with deepening continuously for efforts at environmental protection, reduces carbon emission, it is empty to improve city
Makings amount has been action indispensable in government work, and demand increases, and has more producers to intervene electronic garage
The competition of industry, electric vehicle is also more and more fierce, and existence is the vital task of enterprise in competition.Existing electric vehicle differential box body
It is by front and back sides cabinet separate machined, assembling, manufacturing procedure is more, and die casting aluminium wall thickness is thin, and concentricity is poor, and differential box is easily caused to make an uproar
Sound is higher.The ride exploitation of low noise, high degree of comfort product of electric vehicle is developing way that each electric vehicle motor factory faces.
Utility model content
To overcome the problems of the prior art, the utility model proposes a kind of integrally formed electric vehicle differential box body,
The electric vehicle differential box body includes an integrally formed cabinet shell, and the cabinet shell sets gradually master from top to bottom
Driving wheel room, transition engineer room and output engineer room；The active engineer room is equipped with two motor shafts being connected to outside the cabinet shell
Axis hole, the transition engineer room are equipped with two transition axle blocks being connected to outside the cabinet shell, and the output engineer room is equipped with
Two output axle holes being connected to outside the cabinet shell；The motor shaft axis hole, the transition wheel shaft positioned at two sides
The axle center of seat and the output axle hole is respectively positioned on same straight line.
The utility model proposes the integrally formed electric vehicle differential box body in, motor shaft axis hole described in two sides
Axle center is arranged with height.
The utility model proposes the integrally formed electric vehicle differential box body in, transition axle block described in two sides
Axle center is arranged with height.
The utility model proposes the integrally formed electric vehicle differential box body in, output axle hole described in two sides
Axle center is arranged with height.
The utility model proposes the integrally formed electric vehicle differential box body in, it is described output axle hole outer rim
It outwardly protrudes to form an axle sleeve, multiple threaded mounting holes is distributed on the axle sleeve；Positioned at the motor shaft axis hole of side, institute
The protruding multiple interconnecting pieces of formation of outer rim of transition axle block are stated, a threaded mounting hole is set on the interconnecting piece.
Compared with prior art, the utility model has the beneficial effects that
1, differential cabinet is designed using monoblock cast, and intensity is high；Without processing mould assembling plane, remove because of mould assembling positioning not
High bring coaxiality error, reduces manufacturing procedure, ensure that concentricity, reduce processing charges.
2, time processing, three holes are processed with process, and for pitch-row because clamped one time is processed, precision stability is high, are conducive to gear and are dropped
It makes an uproar, ensure that gear engagement is required and obtain precision.
3, the natural noise reduction of cast iron is utilized, damping behavior has completely cut off most of noise, reduces vibration, makes vehicle row
Sail it is more stable, traveling noise it is smaller, riding comfort is higher.
4, it is installed using filled type gear, it is ensured that gear shaft bearings at both ends reaches 100% coaxially, and gear shaft rolls lighter
Pine, energy-saving and emission-reduction reduce energy consumption.
5, the positioning of bridge tube concentricity is high, and vehicle rolling resistance is small, and vehicle driving distance synchronous extends.
Detailed description of the invention
Fig. 1 is the main view of cabinet.
Fig. 2 is the rearview of cabinet.
Fig. 3 is the face cabinet A-A cross-sectional view.
Fig. 4 is the cross-sectional view of electric vehicle differential box after assembly.
In Fig. 1-4,1- cabinet shell, 2- active engineer room, 3- transition engineer room, 4- output engineer room, 5- axle sleeve, 6- interconnecting piece,
7- threaded mounting hole, 21- motor shaft hole, 31- transition axle block, 41- export axle hole.
Specific embodiment
Below in conjunction with schematic diagram to the utility model proposes electric vehicle differential box and its cabinet retouched in more detail
It states, which show the preferred embodiments of the utility model, it should be appreciated that those skilled in the art can modify described herein
The utility model, and still realize the advantageous effects of the utility model.Therefore, following description should be understood as this field
Technical staff's is widely known, and is not intended as limitations of the present invention.
The schematic diagram of the electric vehicle differential box body of Fig. 1 to Fig. 3 display.The integrally formed electric vehicle differential of the utility model
Box body includes an integrally formed cabinet shell 1, the natural noise reduction of cast iron is utilized, damping behavior has completely cut off major part
Noise reduces vibration, keeps vehicle driving more stable, and traveling noise is smaller, and riding comfort is higher.
Specifically, the cabinet shell 1 sets gradually active engineer room, transition engineer room 3 and output engineer room 4 from top to bottom；
The active engineer room is equipped with two motor shaft axis holes 21 being connected to outside the cabinet shell 1, and the transition engineer room 3, which is equipped with, to be connected
Two transition axle blocks 31 outside the cabinet shell 1 are passed to, the output engineer room 4 is equipped with and is connected to the cabinet shell 1
Two external output axle holes 41；The motor shaft axis hole 21, the transition axle block 31 and the output positioned at two sides
The axle center of axle hole 41 is respectively positioned on same straight line.The utility model proposes the integrally formed electric vehicle differential box body
In, the outer rim of the output axle hole 41 outwardly protrudes to form an axle sleeve 5, and multiple threaded mounting holes are distributed on the axle sleeve 5
7；Multiple interconnecting pieces 6, institute are formed positioned at the outer rim of the motor shaft axis hole 21 of side, the transition axle block 31 is protruding
It states and a threaded mounting hole 7 is set on interconnecting piece 6.Motor shaft axis hole 21 described in two sides, the transition axle block 31 and the output
The axle center of axle hole 41 is arranged with height, and two axis holes of same bearing chamber are processed using the same process.Therefore it removes because closing
Case positions not high bring coaxiality error, reduces manufacturing procedure, ensure that concentricity, reduces processing charges.
The cabinet cross-sectional view after being mounted with differential box transmission component is shown in Fig. 4.The utility model cabinet shell is because adopting
It being designed with monoblock cast, intensity is high, therefore is installed using filled type gear, it is ensured that gear shaft bearings at both ends reaches 100% coaxially,
Gear shaft rolls lighter, energy-saving and emission-reduction, reduces energy consumption.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model.
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (5)
1. a kind of integrally formed electric vehicle differential box body, which is characterized in that the electric vehicle differential box body includes one
Integrally formed cabinet shell (1), the cabinet shell (1) set gradually active engineer room, transition engineer room (3) and defeated from top to bottom
Engineer room (4) out；The active engineer room, which is equipped with, is connected to two external motor shaft axis holes (21) of the cabinet shell (1), described
Transition engineer room (3), which is equipped with, is connected to two external transition axle blocks (31) of the cabinet shell (1), the output engineer room (4)
Equipped with two output axle holes (41) for being connected to the cabinet shell (1) outside；The motor shaft axis hole positioned at two sides
(21), the axle center of the transition axle block (31) and output axle hole (41) is respectively positioned on same straight line.
2. integrally formed electric vehicle differential box body according to claim 1, which is characterized in that motor shaft described in two sides
The axle center of axis hole (21) is arranged with height.
3. integrally formed electric vehicle differential box body according to claim 1, which is characterized in that transition wheel described in two sides
The axle center of axle bed (31) is arranged with height.
4. integrally formed electric vehicle differential box body according to claim 1, which is characterized in that output wheel described in two sides
The axle center of axis hole (41) is arranged with height.
5. integrally formed electric vehicle differential box body according to claim 1, which is characterized in that the output axle hole
(41) outer rim outwardly protrudes to be formed an axle sleeve (5), and multiple threaded mounting holes (7) are distributed on the axle sleeve (5)；Positioned at side
The motor shaft axis hole (21), the transition axle block (31) outer rim protruding form multiple interconnecting pieces (6), the company
One threaded mounting hole (7) are set in socket part (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822023007.1U CN209458370U (en) | 2018-12-04 | 2018-12-04 | Integrally formed electric vehicle differential box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822023007.1U CN209458370U (en) | 2018-12-04 | 2018-12-04 | Integrally formed electric vehicle differential box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458370U true CN209458370U (en) | 2019-10-01 |
Family
ID=68039871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822023007.1U Active CN209458370U (en) | 2018-12-04 | 2018-12-04 | Integrally formed electric vehicle differential box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458370U (en) |
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2018
- 2018-12-04 CN CN201822023007.1U patent/CN209458370U/en active Active
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