CN206600442U - 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
- CN206600442U CN206600442U CN201720147852.2U CN201720147852U CN206600442U CN 206600442 U CN206600442 U CN 206600442U CN 201720147852 U CN201720147852 U CN 201720147852U CN 206600442 U CN206600442 U CN 206600442U
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- China
- Prior art keywords
- main reducing
- reducing gear
- electric automobile
- gear
- opening
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Abstract
The utility model 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 the casing for being internally provided with gear pair, the first opening entered for gear oil and the second opening flowed out for gear oil are opened up on the casing, and gear oil is filled with inside the back axle.By the main reducing gear of above-mentioned electric automobile, when not only causing main reducing gear operation, noise is smaller；Enable the gear inside main reducing gear to obtain sufficient lubrication simultaneously and oil circuit is in back axle interior circulation, and then solve the heat dissipation problem of main reducing gear.The invention also discloses a kind of electric automobile and its rear axle structure in addition.
Description
Technical field
The utility model is related to technical field of new energy, more particularly to a kind of electric automobile and its main reducing gear are with after
Bridge 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 by 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 exported by driving gear input 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 when electric automobile is run for vehicle requires higher.Current electric automobile main reducing gear is generally deposited
Noise problem and heat dissipation problem be difficult to take into account solution the problem of, 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 summary, the problem of noise problem and heat dissipation problem for how solving main reducing gear are difficult to take into account solution, into
For those skilled in the art's technical barrier urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of electric automobile and its main reducing gear and rear axle structure, and master is solved to take into account
The noise problem and heat dissipation problem of decelerator.
To achieve these goals, the utility model provides a kind of main reducing gear of electric automobile, including is arranged on institute
The main reducing gear body inside rear axle of electric automobile is stated, the main reducing gear body includes the casing for being internally provided with gear pair,
Opened up on the casing for for gear oil enter first opening and for for gear oil flow out second opening, and it is described after
Gear oil is filled with inside bridge.
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 main reducing gear operation,
Noise is smaller；Simultaneously because the first opening and the second opening are provided with the casing for the main reducing gear being arranged inside back axle,
So that during main reducing gear operation, 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 can be in back axle interior circulation, and then solves
The heat dissipation problem of main reducing gear.
Other the utility model additionally provides a kind of rear axle of electric automobile structure, including is arranged on inside the rear axle structure
Main reducing gear, the wherein main reducing gear is main reducing gear as described by above-mentioned either a program.
Preferably, in addition to the differential mechanism that is arranged on inside the rear axle structure.
In addition the utility model provides a kind of electric automobile, including main reducing gear, and the wherein main reducing gear is above-mentioned
Main reducing gear described by one scheme.
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
The main structure diagram of the main reducing gear for the electric automobile that Fig. 1 provides for the utility model embodiment；
Fig. 2 is Fig. 1 overlooking the structure diagram；
Fig. 3 is Fig. 1 left view structural representation；
First opening of the main reducing gear for the electric automobile that Fig. 4 provides for the utility model embodiment and the knot of the second opening
Structure schematic diagram.
In figure 1 above -4,
Upper box 1, the opening 4 of the opening of lower box 2, first 3, second.
Embodiment
Core of the present utility model is to provide electric automobile and its main reducing gear and rear axle structure, and main slow down is solved to take into account
The noise problem and heat dissipation problem of device.
In order that those skilled in the art more fully understands the technical scheme that the utility model is provided, below in conjunction with attached
The utility model is described in further detail with specific embodiment for figure.
As Figure 1-4, the main reducing gear for a kind of electric automobile that the utility model embodiment is provided, including be arranged on electricity
Main reducing gear body inside electrical automobile back axle, main reducing gear body is included on the casing for being internally provided with gear pair, the casing
The first opening 3 for entering for gear oil and the second opening 4 for being flowed out for gear oil are opened up, and is filled with inside back axle
Gear oil.Need exist in explanation, actual production process, because the first opening and the second opening of casing are in back axle
In interior gear oil, therefore when main speed reduction box is run, with the operating of gear, there will necessarily be gear oil outflow, 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 main reducing gear operation,
Noise is smaller；Simultaneously because the first opening and the second opening are provided with the casing for the main reducing gear being arranged inside back axle,
So that during main reducing gear operation, 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 can be in back axle interior circulation, and then solves
The heat dissipation problem of main reducing gear.
In specific embodiments, above-mentioned casing can include upper box 1 and lower box 2.By the way that casing is arranged to
Split type structure causes upper body more to facilitate 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 utility model embodiment, can also be that integrated formed structure opens up the aperture of holding gears in sidepiece and matched somebody with somebody
The form of conjunction, also can also be other split-type structurals, such as is divided into left and right two parts, and left part is two-piece unit structure, right part
For monolithic construction, 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 above-mentioned opening 4 of 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 actual 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 utility model embodiment is preferably illustrated, casing can also be
Other positions.
In further embodiment, the above-mentioned opening 4 of first opening 3 and second is arranged at the normal entrucking of main reducing gear
Lower section under state (during actual installation, when main reducing gear is stable to be 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 to the utility model
One kind of embodiment is preferably illustrated, and the first opening and the second opening can also be arranged on other positions according to production requirement, than
Such as first opening and the second opening are separately positioned on bottom side or side.
Further in embodiment, the quantity of above-mentioned first opening 3 can be multiple, and then cause when one first
Opening occurs in the case of blocking, and 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 in the case that blocking occurs in one second opening, and other second openings are still
For upstate, it is ensured that casing oil circuit is smoothly circulated.It is appreciated of course that the quantity of above-mentioned first opening to be multiple and
Or second opening quantity for it is multiple be only the utility model embodiments a kind of preferably citing or the first opening
Quantity be single and/or second opening quantity be single arrangement.
Other the utility model additionally provides a kind of rear axle of electric automobile structure, including is arranged on the master inside rear axle structure
Decelerator, 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 on tire and ground.
In addition the utility model provides a kind of electric automobile, including main reducing gear, and the wherein main reducing gear is above-mentioned
Main reducing gear described by one scheme.
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 utility model and its main reducing gear and rear axle structure are described in detail above.
It should be noted that each embodiment in this specification is described by the way of progressive, what each embodiment was stressed
All be between the difference with other embodiment, each embodiment identical similar part mutually referring to.
It should also 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 not necessarily require or imply between these entities or operation
There is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are 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 also include for this article or the intrinsic key element of equipment.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that including the article of above-mentioned key element
Or also there is other identical element in equipment.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand core concept of the present utility model.It should be pointed out that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model,
These are improved and modification is also fallen into the utility model scope of the claims.
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
State the casing that main reducing gear body includes being internally provided with gear pair, it is characterised in that opened up on the casing for supplying gear
The first opening (3) that oil enters and the second opening (4) for being flowed out for gear oil, and gear is filled with inside the back axle
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 any one of claim 1-7
Described main reducing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720147852.2U CN206600442U (en) | 2017-02-17 | 2017-02-17 | A kind of electric automobile and its main reducing gear and rear axle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720147852.2U CN206600442U (en) | 2017-02-17 | 2017-02-17 | A kind of electric automobile and its main reducing gear and rear axle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206600442U true CN206600442U (en) | 2017-10-31 |
Family
ID=60146719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720147852.2U Expired - Fee Related CN206600442U (en) | 2017-02-17 | 2017-02-17 | A kind of electric automobile and its main reducing gear and rear axle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206600442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763661A (en) * | 2017-02-17 | 2017-05-31 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | A kind of electric automobile and its main reducing gear and rear axle structure |
-
2017
- 2017-02-17 CN CN201720147852.2U patent/CN206600442U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763661A (en) * | 2017-02-17 | 2017-05-31 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | A kind of electric automobile and its main reducing gear and rear axle structure |
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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: 20171031 Termination date: 20180217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |