CN204961786U - Oil baffle subassembly and manual transmission - Google Patents
Oil baffle subassembly and manual transmission Download PDFInfo
- Publication number
- CN204961786U CN204961786U CN201520523824.7U CN201520523824U CN204961786U CN 204961786 U CN204961786 U CN 204961786U CN 201520523824 U CN201520523824 U CN 201520523824U CN 204961786 U CN204961786 U CN 204961786U
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- China
- Prior art keywords
- oil baffle
- manual transmission
- assembly
- oil
- main
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000003756 stirring Methods 0.000 abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses an oil baffle subassembly and a manual transmission of manual transmission. The oil baffle subassembly includes: preceding oil baffle and back oil baffle, form the space that supplies main reducer free -running operation between preceding oil baffle and the back oil baffle. The utility model provides an effect that is used for manual transmission's oil baffle subassembly can play fender oil and water conservancy diversion, transmission housing's cavity can be blocked to the oil baffle main part, prevent that fluid from forming the vortex in the cavity, reduce manual transmission and stir oil loss, the efficiency of its is improved, back oil baffle can also play certain effect that separates gearbox main cavity and main reducer chamber, reduce fluid from the flow back volume in main reducer chamber of gearbox main cavity, the oil mass of main reducer intracavity has been reduced, thereby main reducer's the oil loss that stirs has been reduced, the efficiency of gearbox has further been improved.
Description
Technical field
The utility model relates to manual transmission technical field, particularly relates to a kind of oil baffle assembly for manual transmission and is provided with the manual transmission of this oil baffle assembly.
Background technique
With environmental requirement and user, higher requirement is proposed for VE Vehicle Economy, also more and more higher for gearbox efficiency requirements in automobile industry.In manual transmission, very most loss in efficiency is caused by churning loss (oilchurninglosses), churning loss can be regarded as gear and to be stirred by lubricant oil and in the housing, eddy current is formed in the cavity of especially housing, thus cause gear transmission to lack lubrication, cause loss in efficiency.
Hand gear tank shell, because the requirement to intensity, noise, vibration, generally has the structure of more complicated, wherein inevitably have the cavity formed in housing, and the oil in gearbox can cause eddy current in these cavitys, cause gearbox loss in efficiency.
Main reducing gear in manual transmission is general all at the bottommost of whole gearbox, after the fluid that main reduction driven tooth stirs enters into the main chamber of gearbox, be easy to be back in main reducing gear chamber, therefore most of fluid is had all to concentrate in main reducing gear cavity, the churning loss of main reduction driven tooth accounts for the proportion of overall churning loss comparatively greatly, has vital impact to the efficiency of gearbox.
Model utility content
The purpose of this utility model is to improve manual transmission efficiency, specifically, is provided for the flow-stopping plate assembly of manual transmission, thus reduces the possibility forming lubricant oil eddy current in housing hollow, strengthens gear-driven lubrication.Further, be provided for the flow-stopping plate assembly of manual transmission, in the minimizing main chamber of gearbox, lubricant oil is to the backflow of main reducing gear cavity, thus reduces the churning loss of main reducing gear driven tooth further.Further, the purpose of this utility model is to provide low cost, be easy to manufacture and be convenient to install the flow-stopping plate assembly for manual transmission.Other objects of the present utility model become obvious when reading specification by reference to the accompanying drawings.
For achieving the above object, according to one side of the present utility model, provide a kind of manual transmission oil baffle assembly, it comprises the front oil baffle being attached to differential casing and the rear oil baffle being attached to gear box casing, and described front oil baffle limits the space allowing main reducing gear freely to operate together with described rear oil baffle.
Due to the space for main reducing gear running formed between described front oil baffle and described rear oil baffle, therefore when differential casing and gear box casing are fixed together, front oil baffle and rear oil baffle and housing can form a semi-enclosed space, reduce the fluid that main reducing gear driven gear stirs and enter the cavity of housing and form eddy current.
Described rear oil baffle can play the effect separating main reducing gear chamber and the main chamber of gearbox, reduce the oil return that got rid of by the gear pair in the main chamber of the gearbox amount to main reducing gear chamber, reduce the lubricant oil from the main chamber of gearbox in main reducing gear chamber, thus reduce the churning loss of main reducing gear, improve the efficiency of manual transmission.
Described front oil baffle and rear oil baffle can block the cavity of housing and play the effect guiding fluid, and this prevents the oil in gearbox from housing hollow, forming eddy current, can effectively reduce gearbox loss in efficiency.
Alternatively, in above-mentioned manual transmission oil baffle assembly, described front oil baffle comprises planar surface portion and isolated first curved portions from described planar surface portion to differential casing that extend from and the second curved portions.
The profile design object of front oil baffle is the cavity as far as possible stopping housing under the prerequisite not hindering retarder operation.First curved portions and the second curved portions not only can keep off oil, also can play guiding function, make lubricant oil can not go to cavity in differential casing.
Front oil baffle can by single steel plate impact briquetting, easily manufactured, becomes body.
Alternatively, in above-mentioned manual transmission oil baffle assembly, described front oil baffle comprises is located at described planar surface portion two ends for being attached to two assembly departments of described differential casing.
Alternatively, in above-mentioned manual transmission oil baffle assembly, two assembly departments of described front oil baffle are screw.
Front oil baffle can be mounted on differential casing easily, and does not need significantly to retrofit to existing design.
Alternatively, in above-mentioned manual transmission oil baffle assembly, described rear oil baffle comprises plat part and is located at the assembly department for being attached to gear box casing in the middle part of plat part.
The profile design object of rear oil baffle is to stop the oil return of the main chamber of gearbox to main reducing gear under the prerequisite not hindering retarder operation as far as possible.
Rear oil baffle can by single steel plate impact briquetting, easily manufactured, becomes body.
Rear oil baffle can be mounted on gear box casing easily, and does not need significantly to retrofit to existing design.
Alternatively, in above-mentioned manual transmission oil baffle assembly, described rear oil baffle is included on described plat part to the long drum bag that described main reducing gear direction is heaved.
The effect of long drum bag is the intensity strengthening rear oil baffle, and plays sign Positive-Negative Action, is convenient to it and installs.
Alternatively, in above-mentioned manual transmission oil baffle assembly, an assembly department of described rear oil baffle is screw.
Because rear oil baffle is less, its installation is convenient in the design of a screw.
Alternatively, in above-mentioned manual transmission oil baffle assembly, described front oil baffle and rear oil baffle are the steel plate by drawing.
Can manufacture front oil baffle and rear oil baffle easily by Steel Sheet, cost of material and processing cost are all lower.
According to another aspect of the present utility model, provide a kind of manual transmission, described manual transmission comprises gear box casing, differential casing and main reducing gear, and wherein, described manual transmission is any one manual transmission oil baffle assembly above-mentioned also.
Accompanying drawing explanation
Read following detailed description in conjunction with the drawings, principle of the present utility model will become more apparent, wherein:
Fig. 1 shows according to of the present utility model for the oil baffle assembly of manual transmission and the stereogram of main reducing gear driven tooth;
Fig. 2 shows the stereogram of rear oil baffle; And
Fig. 3 shows the stereogram of front oil baffle.
embodiment:
Easy understand, according to the technical solution of the utility model, is not changing under the utility model connotation, and one of ordinary skill in the art can propose the various structures mode that can mutually replace and implementation.Therefore, following embodiment and accompanying drawing are only the exemplary illustrations to the technical solution of the utility model, and should not be considered as of the present utility model all or the restriction be considered as technical solutions of the utility model or restriction.
The orientation terms such as the up, down, left, right, before and after mentioned in this manual or may mention, front, the back side, top, bottom carry out defining relative to the structure shown in each accompanying drawing, they are relative concepts, therefore likely can residing for it diverse location, different using state and correspondingly changing.So, also these or other orientation term should be interpreted as restricted term.
As shown in Figure 1, the rear oil baffle 2 being attached to the front oil baffle of differential casing 3 and being attached to gear box casing is comprised according to the oil baffle assembly for manual transmission of the present utility model.For the sake of clarity, and not shown differential casing and gear box casing, but easily expect, differential casing has and is arranged to the part relative with the B face of main reducing gear driven tooth 1 for oil baffle 3 before being attached, and gear box casing has and is arranged to the part relative with the A face of main reducing gear driven tooth 1 for be attached oil baffle 2 afterwards.For clarity sake, and other gears of not shown main reducing gear, axle etc. structure.The space allowing main reducing gear freely to operate is defined between described front oil baffle 3 and described rear oil baffle 2.As shown in fig. 1, main reducing gear apron space is roughly in C font.Certainly, front oil baffle 3 and the rear oil baffle 2 of other shapes also can be selected, to limit different apron space shapes.Before selecting, the criterion of the shape of oil baffle 3 is not for hinder each gear, stops the path of lubricant oil to differential casing cavity when the assembly operatings such as axle as far as possible.After selecting, the criterion of the shape of oil baffle 2 is not for hinder each gear, stops the path of the oil return in the main chamber of gearbox to main reducing gear chamber when the assembly operatings such as axle as far as possible.
Due to the space for main reducing gear running formed between described front oil baffle 3 and described rear oil baffle 2, therefore when differential casing and gear box casing are fixed together (such as passing through bolt), front oil baffle 3 and rear oil baffle 2 can form a semi-enclosed space with housing, reduce fluid that main reducing gear driven gear stirs and enter the cavity of housing and form the possibility of eddy current.Described rear oil baffle 2 can play the effect separating main reducing gear chamber and the main chamber of gearbox, reduce the oil return that got rid of by the gear pair in the main chamber of the gearbox possibility to main reducing gear chamber, reduce the lubricant oil from the main chamber of gearbox in main reducing gear chamber, thus reduce the churning loss of main reducing gear, improve the efficiency of manual transmission.Described front oil baffle 3 and rear oil baffle 2 can block the cavity of housing and play the effect guiding fluid, and this prevents the oil in gearbox from housing hollow, forming eddy current, can effectively reduce gearbox loss in efficiency.
With reference now to Fig. 2, it illustrates according to a specific embodiment for the rear oil baffle 2 in the oil baffle assembly of manual transmission of the present utility model.Rear oil baffle 2 comprises plat part 21, is provided with assembly department 23, such as installation screw near the approximate mid-section of plat part 21.In an alternative embodiment, also by other mounting types, such as welding etc.Also be provided with the long drum bag 22 to a lateral process at plat part 21 near middle, long drum bag 22 is such as formed by punching press, and it can strengthen the intensity of whole rear oil baffle 2, and indicates the positive and negative in avoid setup error of rear oil baffle 2.Rear oil baffle 2 is mounted to avoid the lubricant oil in the main chamber of gearbox to be back to the main chamber of main reducing gear in a large number on gear box casing, thus alleviates the churning loss of main reducing gear driven tooth 1, improves whole gearbox lubrication thus improves its efficiency.
With reference now to Fig. 3, it illustrates according to a specific embodiment for oil baffle 3 before in the oil baffle assembly of manual transmission of the present utility model.Front oil baffle 3 comprises planar surface portion 31, and planar surface portion 31 two ends have the assembly department 34 for being attached to differential casing, such as installation screw.In an alternative embodiment, be also attached to differential casing by other modes, such as, weld, or with differential carrier body by integral forming.The feature such as breach and projection is there is in planar surface portion 31, these features can be arranged according to the shape of concrete differential casing, to adapt to the shape of differential casing better, such as complementary with it or stop oil passage better, or for being convenient to install, the objects such as location are installed.
In addition, front oil baffle 3 also comprise the first curved portions 32 and the second curved portions 33, first curved portions 32 that extend to differential casing direction from planar surface portion 31 and the second curved portions 33 spaced apart, this clearance space is the free-running operation adapting to main reducing gear.First curved portions 32 and the second curved portions 33 are by carrying out pressing and bending to be formed to steel plate, and whole front oil baffle 3 is directly integrally formed by punching press.First curved portions 32 and the second curved portions 33 block the path of lubricant oil to the cavity of differential casing further, thus reduce the churning loss of main reducing gear further, improve the efficiency of manual transmission.
All parts, only in order to more clearly describe principle of the present utility model, wherein being specialized and principle of the present utility model is easier to understand by specific embodiment described above.When not departing from scope of the present utility model, those skilled in the art easily can carry out various amendment to the utility model.Therefore should be understood that, scope of the present utility model should not limited by above specific embodiment.
Claims (9)
1. the oil baffle assembly for manual transmission, it is characterized in that, it comprises the front oil baffle (3) being attached to differential casing and the rear oil baffle (2) being attached to gear box casing, and described front oil baffle (3) and described rear oil baffle (2) limit the space allowing main reducing gear freely to operate together.
2. the oil baffle assembly for manual transmission according to claim 1, it is characterized in that, described front oil baffle (3) comprises planar surface portion (31) and isolated first curved portions (32) that extends to differential casing direction from described planar surface portion and the second curved portions (33).
3. the oil baffle assembly for manual transmission according to claim 2, is characterized in that, described front oil baffle comprises two assembly departments (34) for being attached to described differential casing being located at described planar surface portion (31) two ends.
4. the oil baffle assembly for manual transmission according to claim 2, is characterized in that, two assembly departments (34) of described front oil baffle (3) are screw.
5. the oil baffle assembly for manual transmission according to claim 1, it is characterized in that, described rear oil baffle (2) comprises plat part (21) and is located at an assembly department (23) for being attached to gear box casing at plat part (21) middle part.
6. the oil baffle assembly for manual transmission according to claim 5, is characterized in that, described rear oil baffle (2) is included in the long drum bag (22) that described plat part (21) is heaved to described main reducing gear direction.
7. the oil baffle assembly for manual transmission according to claim 5, is characterized in that, an assembly department (23) of described rear oil baffle (2) is screw.
8. the oil baffle assembly for manual transmission according to claim 1, is characterized in that, described front oil baffle (3) and rear oil baffle (2) are the steel plate by drawing.
9. a manual transmission, described manual transmission comprises gear box casing, and differential casing and main reducing gear, is characterized in that, described manual transmission also comprises the oil baffle assembly for manual transmission according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523824.7U CN204961786U (en) | 2015-07-20 | 2015-07-20 | Oil baffle subassembly and manual transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523824.7U CN204961786U (en) | 2015-07-20 | 2015-07-20 | Oil baffle subassembly and manual transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961786U true CN204961786U (en) | 2016-01-13 |
Family
ID=55056855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520523824.7U Expired - Fee Related CN204961786U (en) | 2015-07-20 | 2015-07-20 | Oil baffle subassembly and manual transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204961786U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038776A (en) * | 2019-05-30 | 2019-07-23 | 武汉理工大学 | Immersion oil surface modified passenger car main reducing gear and its surface modifying treatment |
| CN110671489A (en) * | 2018-07-03 | 2020-01-10 | 上汽通用汽车有限公司 | Automobile gearbox and automobile |
| CN112896346A (en) * | 2021-03-11 | 2021-06-04 | 中国重汽集团济南动力有限公司 | Drive axle guiding device and drive axle |
-
2015
- 2015-07-20 CN CN201520523824.7U patent/CN204961786U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671489A (en) * | 2018-07-03 | 2020-01-10 | 上汽通用汽车有限公司 | Automobile gearbox and automobile |
| CN110038776A (en) * | 2019-05-30 | 2019-07-23 | 武汉理工大学 | Immersion oil surface modified passenger car main reducing gear and its surface modifying treatment |
| CN112896346A (en) * | 2021-03-11 | 2021-06-04 | 中国重汽集团济南动力有限公司 | Drive axle guiding device and drive axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |