CN106763661A - A kind of electric automobile and its main reducing gear and rear axle structure - Google Patents
A kind of electric automobile and its main reducing gear and rear axle structure Download PDFInfo
- Publication number
- CN106763661A CN106763661A CN201710086110.8A CN201710086110A CN106763661A CN 106763661 A CN106763661 A CN 106763661A CN 201710086110 A CN201710086110 A CN 201710086110A CN 106763661 A CN106763661 A CN 106763661A
- Authority
- CN
- China
- Prior art keywords
- main reducing
- reducing gear
- electric automobile
- gear
- opening
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of main reducing gear of electric automobile, including the main reducing gear body being arranged on inside the rear axle of electric automobile, the main reducing gear body includes being internally provided with the casing of gear pair, the first opening and the second opening for gear oil outflow entered for gear oil are opened up on the casing, and back axle inside is filled with gear oil.By the main reducing gear of above-mentioned electric automobile, when not only causing that main reducing gear runs, noise is smaller；Enable that the gear inside main reducing gear obtains sufficient lubrication and oil circuit is in back axle interior circulation simultaneously, and then solve the heat dissipation problem of main reducing gear.In addition the invention also discloses a kind of electric automobile and its rear axle structure.
Description
Technical field
The present invention relates to technical field of new energy, more particularly to a kind of electric automobile and its main reducing gear and back axle knot
Structure.
Background technology
With the continuous sternness of environmental problem, new-energy automobile is increasingly becoming the developing direction of future automobile.Current market
Upper electric automobile be also it is more and more, but the main reducing gear of electric automobile be electric powered motor transmission important component it
One.Main reducing gear is the mechanism that can change torque and rotating speed in drive axle, its basic training be will come from motor or
The torque increase of person's transmission device, while reducing rotating speed and changing the direction of transfer of torque.Main reducing gear is by a pair or several to subtracting
Fast gear pair is constituted, and power is input into by driving gear and is exported through driven gear.
The casing of existing main reducing gear presses the body structure of decelerator, is broadly divided into two kinds：Open type and closed.Compare
In fuel-engined vehicle, low noise requirement when electric automobile runs for vehicle is higher.Current electric automobile main reducing gear is generally deposited
Noise problem and heat dissipation problem be difficult to take into account the problem of solution, enclosed housing can solve noise problem, but oil circuit
Lubrication is inadequate, and radiating effect is very poor；Open-type box can solve the problems, such as oil circuit, but noise problem is difficult to solve, and such as reduce
Noise can only improve Gear Processing precision, and cost is greatly increased.
In sum, how to solve the problems, such as that the noise problem and heat dissipation problem of main reducing gear are difficult to take into account solution, into
It is those skilled in the art's technical barrier urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of electric automobile and its main reducing gear and rear axle structure, main deceleration is solved to take into account
The noise problem and heat dissipation problem of device.
To achieve these goals, the invention provides a kind of main reducing gear of electric automobile, including it is arranged on the electricity
Main reducing gear body inside electrical automobile back axle, the main reducing gear body includes being internally provided with the casing of gear pair, described
The first opening for entering for gear oil and the second opening for being flowed out for gear oil are opened up on casing, and in the back axle
Portion is filled with gear oil.
Preferably, the casing includes upper box and lower box.
Preferably, it is additionally provided with sealing gasket between the upper box and the lower box.
Preferably, first opening and the described second opening are arranged on the docking position of the upper box and the lower box
Put.
Preferably, first opening and the described second opening are arranged under the normal entrucking state of the main reducing gear
Lower section.
Preferably, the quantity of first opening is multiple.
Preferably, the quantity of second opening is multiple.
Content, the main reducing gear of above-mentioned electric automobile, due to only being opened on main speed reduction box body are introduced compared to background technology
If the first opening and the second opening, the gear pair of main reducing gear are integrally coated by casing, and then when causing that main reducing gear runs,
Noise is smaller；Simultaneously because the first opening and the second opening are provided with the casing of the main reducing gear being arranged inside back axle,
During so that main reducing gear running, the gear oil in back axle can enter main reducing gear from the first opening, then from the second opening stream
Go out main reducing gear so that the gear inside main reducing gear obtains sufficient lubrication and oil circuit in back axle interior circulation, and then can be solved
The heat dissipation problem of main reducing gear.
In addition present invention also offers a kind of rear axle of electric automobile structure, including it is arranged on the master inside the rear axle structure
Decelerator, the wherein main reducing gear are the main reducing gear as described by above-mentioned either a program.
Preferably, the also differential mechanism including being arranged on inside the rear axle structure.
In addition the invention provides a kind of electric automobile, including main reducing gear, wherein the main reducing gear is any of the above-described side
Main reducing gear described by case.
Because the rear axle structure and electric automobile of above-mentioned electric automobile have continued to use the main reducing gear of above-mentioned electric automobile
Core concept, because the main reducing gear of above-mentioned electric automobile has above-mentioned technique effect, has continued to use the main deceleration of above-mentioned electric automobile
The rear axle structure and electric automobile of the electric automobile of the core concept of device should also have corresponding technique effect, no longer go to live in the household of one's in-laws on getting married herein
State.
Brief description of the drawings
Fig. 1 is the main structure diagram of the main reducing gear of electric automobile provided in an embodiment of the present invention；
Fig. 2 is the overlooking the structure diagram of Fig. 1；
Fig. 3 is the left view structural representation of Fig. 1；
Fig. 4 is that the first opening of the main reducing gear of electric automobile provided in an embodiment of the present invention and the structure of the second opening are shown
It is intended to.
In figure 1 above -4,
Upper box 1, the opening 4 of the opening of lower box 2, first 3, second.
Specific embodiment
Core of the invention is to provide electric automobile and its main reducing gear and rear axle structure, and main reducing gear is solved to take into account
Noise problem and heat dissipation problem.
In order that those skilled in the art more fully understands the technical scheme of present invention offer, below in conjunction with accompanying drawing and
The present invention is described in further detail for specific embodiment.
As Figure 1-4, the main reducing gear of a kind of electric automobile provided in an embodiment of the present invention, including it is arranged on electronic vapour
Main reducing gear body inside car back axle, main reducing gear body includes being internally provided with the casing of gear pair, is opened up on the casing
For the first opening 3 entered for gear oil and for the second opening 4 for gear oil outflow, and back axle inside is filled with gear
Oil.Explanation is needed exist for, in actual production process, because first opening and the second opening of casing are in back axle
In gear oil, therefore when main speed reduction box runs, with the operating of gear, there will necessarily be gear oil to flow out, while also having gear
Oil is flowed into.
Content, the main reducing gear of above-mentioned electric automobile, due to only being opened on main speed reduction box body are introduced compared to background technology
If the first opening and the second opening, the gear pair of main reducing gear are integrally coated by casing, and then when causing that main reducing gear runs,
Noise is smaller；Simultaneously because the first opening and the second opening are provided with the casing of the main reducing gear being arranged inside back axle,
During so that main reducing gear running, the gear oil in back axle can enter main reducing gear from the first opening, then from the second opening stream
Go out main reducing gear so that the gear inside main reducing gear obtains sufficient lubrication and oil circuit in back axle interior circulation, and then can be solved
The heat dissipation problem of main reducing gear.
In specific embodiments, above-mentioned casing can include upper box 1 and lower box 2.It is arranged to by by casing
Split type structure causes that upper body more facilitates in assembling.Of course, it should be understood that above-mentioned upper box and lower box are only
It is a kind of citing of the embodiment of the present invention, can also be what integrated formed structure opened up the aperture of holding gears and coordinated in sidepiece
Form, also can also be other split-type structurals, such as be divided into left and right two parts, and left part is two-piece unit structure, and right part is whole
Body formula structure, then left and right two parts are fitted together.
In specific embodiments, when above-mentioned body structure uses split-type structural, in order that obtaining the low noise of casing
More preferably sealing gasket can be additionally provided between upper box 1 and lower box 2.At so except the first opening and the second opening, casing
Other positions be seal, so that the overall low noise performance of casing is more preferable.
In actual embodiment, the position of the opening 4 of above-mentioned first opening 3 and second can be arranged in the He of upper box 1
The docking location of lower box 2, so that during reality processing, the processing of the first opening and the second opening more facilitates.When
So it is appreciated that one kind that above-mentioned docking location is only the embodiment of the present invention is preferably illustrated, its of casing is can also be
His position.
In further embodiment, the opening 4 of above-mentioned first opening 3 and second is arranged at the normal entrucking of main reducing gear
Lower section under state (during this refers to actual installation, when main reducing gear stabilization is attached on car), it is such so that the
One opening oil-feed and the second opening are fuel-displaced more convenient, and can cause in back axle without full of gear oil, as long as first opens
Mouth and the second aperture position keep sufficient gear oil.Explanation is needed exist for, above-mentioned is only that the present invention is implemented
One kind of example is preferably illustrated, and the first opening and the second opening can also be arranged on other positions according to Production requirement, such as and the
One opening and the second opening are separately positioned on bottom side or side etc..
Further in embodiment, the quantity of above-mentioned first opening 3 can be multiple, and then cause when one first
In the case that blocking occurs in opening, other first openings are still upstate, it is ensured that casing oil circuit is smoothly circulated；Same second
The quantity of opening 4 can also be multiple, and then cause that in the case that blocking occurs in one second opening, other second openings are still
It is upstate, it is ensured that casing oil circuit is smoothly circulated.It is appreciated of course that the quantity of above-mentioned first opening for multiple and
Or second opening quantity be it is multiple be only the embodiment of the present invention a kind of preferably citing, or the number of the first opening
Measure as single and/or the second opening quantity is single arrangement.
In addition present invention also offers a kind of rear axle of electric automobile structure, including it is arranged on the main deceleration inside rear axle structure
Device, the wherein main reducing gear are the main reducing gear as described by above-mentioned either a program.
In further embodiment, above-mentioned rear axle of electric automobile structure also includes being arranged on the differential inside rear axle structure
Device.By setting differential mechanism so that two semiaxis on back axle can realize different rotating speed rotations, and then meet two sidecar wheels
Make Unequal distance traveling in the form of pure rolling as far as possible, reduce the friction of tire and ground.
In addition the invention provides a kind of electric automobile, including main reducing gear, wherein the main reducing gear is any of the above-described side
Main reducing gear described by case.
Because the rear axle structure and electric automobile of above-mentioned electric automobile have continued to use the main reducing gear of above-mentioned electric automobile
Core concept, because the main reducing gear of above-mentioned electric automobile has above-mentioned technique effect, has continued to use the main deceleration of above-mentioned electric automobile
The rear axle structure and electric automobile of the electric automobile of the core concept of device should also have corresponding technique effect, no longer go to live in the household of one's in-laws on getting married herein
State.
Electric automobile provided by the present invention and its main reducing gear and rear axle structure are described in detail above.Need
Illustrate, each embodiment in this specification is described by the way of progressive, what each embodiment was stressed is
With the difference of other embodiment, between each embodiment identical similar part mutually referring to.
Also, it should be noted that herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and between not necessarily requiring or implying these entities or operate
There is any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included, so that article or equipment including a series of key elements not only include those key elements, but also
Including other key elements being not expressly set out, or it is this article or the intrinsic key element of equipment also to include.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that in the article including above-mentioned key element
Or also there is other identical element in equipment.
Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into the protection domain of the claims in the present invention with modification.
Claims (10)
1. a kind of main reducing gear of electric automobile, including it is arranged on the main reducing gear body inside the rear axle of electric automobile, institute
Stating main reducing gear body includes being internally provided with the casing of gear pair, it is characterised in that opened up for supplying gear on the casing
The first opening (3) and the second opening (4) for being flowed out for gear oil that oil enters, and back axle inside is filled with gear
Oil.
2. the main reducing gear of electric automobile as claimed in claim 1, it is characterised in that the casing include upper box (1) and
Lower box (2).
3. the main reducing gear of electric automobile as claimed in claim 2, it is characterised in that the upper box (1) and the nowel
Body is additionally provided with sealing gasket between (2).
4. the main reducing gear of electric automobile as claimed in claim 2, it is characterised in that first opening (3) and described the
Two openings (4) are arranged on the docking location of the upper box (1) and the lower box (2).
5. the main reducing gear of the electric automobile as described in claim any one of 1-4, it is characterised in that first opening (3)
The lower section under the normal entrucking state of the main reducing gear is arranged at the described second opening (4).
6. the main reducing gear of electric automobile as claimed in claim 1, it is characterised in that the quantity of first opening (3) is
It is multiple.
7. the main reducing gear of electric automobile as claimed in claim 1, it is characterised in that the quantity of second opening (4) is
It is multiple.
8. a kind of rear axle of electric automobile structure, including it is arranged on the main reducing gear inside the rear axle structure, it is characterised in that institute
It is the main reducing gear as described in claim any one of 1-7 to state main reducing gear.
9. rear axle of electric automobile structure as claimed in claim 8, it is characterised in that also including being arranged in the rear axle structure
The differential mechanism in portion.
10. a kind of electric automobile, including main reducing gear, it is characterised in that the main reducing gear is such as claim any one of 1-7
Described main reducing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710086110.8A CN106763661B (en) | 2017-02-17 | 2017-02-17 | Electric automobile and main reducer and rear axle structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710086110.8A CN106763661B (en) | 2017-02-17 | 2017-02-17 | Electric automobile and main reducer and rear axle structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763661A true CN106763661A (en) | 2017-05-31 |
| CN106763661B CN106763661B (en) | 2023-06-27 |
Family
ID=58957311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710086110.8A Active CN106763661B (en) | 2017-02-17 | 2017-02-17 | Electric automobile and main reducer and rear axle structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763661B (en) |
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| Publication number | Publication date |
|---|---|
| CN106763661B (en) | 2023-06-27 |
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