CN108895137A - Differential assembly structure for automobile drive axle - Google Patents
Differential assembly structure for automobile drive axle Download PDFInfo
- Publication number
- CN108895137A CN108895137A CN201810807617.2A CN201810807617A CN108895137A CN 108895137 A CN108895137 A CN 108895137A CN 201810807617 A CN201810807617 A CN 201810807617A CN 108895137 A CN108895137 A CN 108895137A
- Authority
- CN
- China
- Prior art keywords
- shell
- cover board
- bearing block
- planetary gear
- gear
- 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.)
- Withdrawn
Links
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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
-
- 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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of differential assembly structures for automobile drive axle, including shell one, shell two, semiaxis, drive shaft, cover board one, cover board two and bearing block two, it is characterised in that：The shell one is connect by connecting screw with shell two, the semiaxis runs through shell one, shell two, the drive shaft is stretched between shell one and shell two in shell one and shell two, the cover board one is connect with shell one, the cover board two is connect with shell two, and the bearing block two is separately positioned on cover board one, cover board two.The present invention is provided with planet gear pad between shell one and planetary gear and shell two and planetary gear, planetary gear has been avoided directly to contact with shell one, shell two by planet gear pad, it improves planetary gear and rotates the stability for driving axle shaft gear rotation with drive shaft, slow down the degree of wear of planetary gear during the work time.
Description
Technical field
The present invention relates to automobile drive axle technical field, specifically a kind of differential assembly knot for automobile drive axle
Structure.
Background technique
Differential assembly makes one of main parts size on drive axle, and differential mechanism plays support, contains planetary gear, semiaxis
The effect of the parts such as gear, while meeting the requirement of lubrication, heat dissipation, also to meet gear, differential case bearing bracket running accuracy is wanted
It asks, such as application No. is a kind of differential assemblies of 201621142231.7 patent disclosure, and which solve shells and planet to bore tooth
Wheel manufacture is difficult, transmission efficiency loses larger problem, but there is that differential assembly working efficiency is lower, service life
Problem short, installation rear stability is bad.
Summary of the invention
The purpose of the present invention is for be currently used for working efficiency existing for the differential assembly structure of automobile drive axle compared with
Problem low, service life is short, installation rear stability is bad provides a kind of reasonable in design, long service life, working efficiency
Differential assembly structure for automobile drive axle high, installation rear stability is good.
Present invention solves the technical problem that the technical solution taken is：
A kind of differential assembly structure for automobile drive axle, including shell one, shell two, semiaxis, drive shaft, cover board one,
Cover board two and bearing block two, it is characterised in that：The shell one is connect by connecting screw with shell two, and shell one,
Bearing block one is respectively arranged on shell two, the semiaxis runs through shell one, shell two, and half axle gear is provided on semiaxis
Wheel, the drive shaft is stretched between shell one and shell two in shell one and shell two, and is provided on the driving shaft
Planetary gear, the cover board one are connect with shell one, and the cover board two is connect with shell two, and the bearing block two is distinguished
Setting is provided with bearing on cover board one, cover board two, and between bearing block two and bearing block one, passes through bearing block two and bearing
Bearing between seat one, reduces the impact force that differential assembly is subject to during the work time, improves the work of differential assembly
Efficiency extends the service life of differential assembly.
Preferably, the shell one, bearing block one on shell two side be respectively arranged with limited block, pass through limit
Block improves stability of the bearing block one on shell one, shell two, and the bearing enhanced between bearing block one and bearing block two exists
Stability in the course of work, and then the stability of differential assembly during the work time is improved, extend making for differential assembly
Use the service life.
Preferably, the shell one, by connecting bolt be provided with axle shaft gear thrust pad on shell two, and by semiaxis
Gear thrust pad is separately positioned between shell one and axle shaft gear and shell two and axle shaft gear, passes through axle shaft gear thrust pad
Axle shaft gear is improved with the stability in planetary gear rotary course, and then drives the stability of semiaxis rotation, improves difference
The working efficiency of fast device.
Preferably, planetary gear pad is provided between the shell one and planetary gear and shell two and planetary gear
Piece has avoided planetary gear from directly contacting with shell one, shell two by planet gear pad, improves planetary gear with drive shaft
Rotation drives the stability of axle shaft gear rotation, can also slow down the degree of wear of planetary gear during the work time, extend row
The service life of star gear, and then extend the service life of differential mechanism.
Preferably, it is provided with engaging sleeve tooth on the cover board two, the peace of differential assembly is improved by engaging sleeve tooth
The precision for filling efficiency and installation site, can also improve the firmness of differential assembly after mounting, further increase differential mechanism
The working efficiency of assembly.
Beneficial effect：The present invention is provided with planet tooth between shell one and planetary gear and shell two and planetary gear
Gasket is taken turns, has avoided planetary gear from directly contacting with shell one, shell two by planet gear pad, improves planetary gear with drive
Moving axis rotation drives the stability of axle shaft gear rotation, can also slow down the degree of wear of planetary gear during the work time, prolong
Planetary gear service life has been grown, and then has extended the service life of differential mechanism, the bearing block one on shell one, shell two
Side be respectively arranged with limited block, stability of the bearing block one on shell one, shell two is improved by limited block, enhance
The stability of bearing during the work time between bearing block one and bearing block two, and then differential assembly is improved in the course of work
In stability, extend the service life of differential assembly.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure：1. shell one, 2. shells two, 3. semiaxis, 4. drive shafts, 5. cover boards one, 6. cover boards two, 7. bearing blocks two,
8. connecting screw, 9. bearing blocks one, 10. axle shaft gears, 11. planetary gears, 12. connection bolts, 13. axle shaft gear thrust pads,
14. planet gear pad, 15. bearings, 16. engaging sleeve teeth, 17. limited blocks.
Specific embodiment
The present invention is described in detail below with reference to attached drawing.
As shown in Fig. 1, a kind of differential assembly structure for automobile drive axle, including shell 1, shell 22, half
Axis 3, drive shaft 4, cover board 1, cover board 26 and bearing block 27, it is characterised in that：The shell 1 passes through connecting screw 8
It is connect with shell 22, and is respectively arranged with bearing block 1 on shell 1, shell 22, the semiaxis 3 runs through shell one
1, shell 22, and axle shaft gear 10 is provided on semiaxis 3, the drive shaft 4 protrudes between shell 1 and shell 22
To shell 1 and shell 22, and planetary gear 11 is provided in drive shaft 4, the cover board 1 and shell 1 connect
It connecing, the cover board 26 is connect with shell 22, and the bearing block 27 is separately positioned on cover board 1, on cover board 26, and
It is provided with bearing 15 between bearing block 27 and bearing block 1, passes through the bearing 15 between bearing block 27 and bearing block 1, drop
The impact force that low differential assembly is subject to during the work time, improves the working efficiency of differential assembly, extends differential
The service life of device assembly.
Preferably, the shell 1, bearing block 1 on shell 22 side be respectively arranged with limited block 17, lead to
It crosses limited block 17 and improves stability of the bearing block 1 on shell 1, shell 22, enhancing bearing block 1 and bearing block 27
Between the stability during the work time of bearing 15, and then improve the stability of differential assembly during the work time, extend
The service life of differential assembly.
Preferably, the shell 1, by connecting bolt 12 be provided with axle shaft gear thrust pad 13 on shell 22, and
Axle shaft gear thrust pad 13 is separately positioned between shell 1 and axle shaft gear 10 and shell 22 and axle shaft gear 10, is passed through
Axle shaft gear thrust pad 13 improves axle shaft gear 10 with the stability in 11 rotary course of planetary gear, and then drives semiaxis 3
The stability of rotation improves the working efficiency of differential mechanism.
Preferably, planet is provided between the shell 1 and planetary gear 11 and shell 22 and planetary gear 11
Cog spacers 14 have avoided planetary gear 11 from directly contacting with shell 1, shell 22 by planet gear pad 14, improve row
Star gear 11 rotates the stability for driving axle shaft gear 10 to rotate with drive shaft 4, can also slow down planetary gear 11 in the course of work
In the degree of wear, extend the service life of planetary gear 11, and then extend the service life of differential mechanism.
Preferably, it is provided with engaging sleeve tooth 16 on the cover board 26, differential assembly is improved by engaging sleeve tooth 16
Installation effectiveness and installation site precision, can also improve the firmness of differential assembly after mounting, further increase difference
The working efficiency of fast device assembly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (2)
1. a kind of differential assembly structure for automobile drive axle, including shell one, shell two, semiaxis, drive shaft, cover board
One, cover board two and bearing block two, it is characterised in that：The shell one is connect by connecting screw with shell two, and in shell
One, bearing block one is respectively arranged on shell two, the semiaxis runs through shell one, shell two, and half is provided on semiaxis
Shaft gear, the drive shaft is stretched between shell one and shell two in shell one and shell two, and is set on the driving shaft
It is equipped with planetary gear, the cover board one is connect with shell one, and the cover board two is connect with shell two, the bearing block two
Be separately positioned on cover board one, on cover board two, and be provided with bearing between bearing block two and bearing block one, the shell one with
It is provided with planet gear pad between planetary gear and shell two and planetary gear, is provided with engaging sleeve on the cover board two
The side of tooth, the bearing block one on the shell one, shell two is respectively arranged with limited block.
2. the differential assembly structure according to claim 1 for automobile drive axle, it is characterised in that：The shell
One, it is provided with axle shaft gear thrust pad by connecting bolt on shell two, and axle shaft gear thrust pad is separately positioned on shell
Between one and axle shaft gear and shell two and axle shaft gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807617.2A CN108895137A (en) | 2018-07-21 | 2018-07-21 | Differential assembly structure for automobile drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807617.2A CN108895137A (en) | 2018-07-21 | 2018-07-21 | Differential assembly structure for automobile drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108895137A true CN108895137A (en) | 2018-11-27 |
Family
ID=64351326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810807617.2A Withdrawn CN108895137A (en) | 2018-07-21 | 2018-07-21 | Differential assembly structure for automobile drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108895137A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008101719A1 (en) * | 2007-02-24 | 2008-08-28 | Ab Skf | Differential gear unit |
| CN101482166A (en) * | 2009-02-10 | 2009-07-15 | 吉林大学 | Differential gear used for power coupling apparatus of hybrid power vehicle |
| CN201884600U (en) * | 2010-12-10 | 2011-06-29 | 安徽安凯福田曙光车桥有限公司 | Differential assembly between wheels |
| JP2014009747A (en) * | 2012-06-29 | 2014-01-20 | Gkn Driveline Japan Ltd | Differential device |
| CN203962900U (en) * | 2014-07-21 | 2014-11-26 | 合肥美桥汽车传动及底盘系统有限公司 | One word axle high power density differential assembly |
| CN205350246U (en) * | 2015-12-11 | 2016-06-29 | 方盛车桥（柳州）有限公司 | Heavily block lightweight rear axle assembly and differential mechanism assembly thereof |
| CN206770547U (en) * | 2017-06-12 | 2017-12-19 | 青岛雷沃工程机械有限公司 | A kind of improved loading machine differential mechanism |
-
2018
- 2018-07-21 CN CN201810807617.2A patent/CN108895137A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008101719A1 (en) * | 2007-02-24 | 2008-08-28 | Ab Skf | Differential gear unit |
| CN101482166A (en) * | 2009-02-10 | 2009-07-15 | 吉林大学 | Differential gear used for power coupling apparatus of hybrid power vehicle |
| CN201884600U (en) * | 2010-12-10 | 2011-06-29 | 安徽安凯福田曙光车桥有限公司 | Differential assembly between wheels |
| JP2014009747A (en) * | 2012-06-29 | 2014-01-20 | Gkn Driveline Japan Ltd | Differential device |
| CN203962900U (en) * | 2014-07-21 | 2014-11-26 | 合肥美桥汽车传动及底盘系统有限公司 | One word axle high power density differential assembly |
| CN205350246U (en) * | 2015-12-11 | 2016-06-29 | 方盛车桥（柳州）有限公司 | Heavily block lightweight rear axle assembly and differential mechanism assembly thereof |
| CN206770547U (en) * | 2017-06-12 | 2017-12-19 | 青岛雷沃工程机械有限公司 | A kind of improved loading machine differential mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181127 |
|
| WW01 | Invention patent application withdrawn after publication |