CN211474846U - Lubricating structure of inter-axle differential and speed reducer assembly - Google Patents
Lubricating structure of inter-axle differential and speed reducer assembly Download PDFInfo
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- CN211474846U CN211474846U CN201922448572.7U CN201922448572U CN211474846U CN 211474846 U CN211474846 U CN 211474846U CN 201922448572 U CN201922448572 U CN 201922448572U CN 211474846 U CN211474846 U CN 211474846U
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Abstract
The utility model relates to a differential mechanism lubricating structure and reduction gear assembly between axle, including back oil blanket, preceding oil blanket, speed reducer shell, differential mechanism shell between the axle and initiative roller gear, envelope into a seal with speed reducer shell, differential mechanism shell between the axle, initiative roller gear, store the gear oil that the oil duct hole got into to promote the lubricating property between differential mechanism gear between the axle, cross axle and the planetary gear. The problem of in solving current through drive axle because the lubrication of interaxle differential mechanism is poor, often appear between the round hole of planetary gear and the shaft diameter of cross axle gluing ablation, planetary gear tooth face gluing ablation, and then lead to interaxle differential function inefficacy and transmission function inefficacy etc is solved.
Description
Technical Field
The utility model relates to an automobile axle field, concretely relates to differential mechanism lubricating structure and reduction gear assembly between axle.
Background
In an automobile through drive axle, due to poor lubrication of an inter-axle differential, the problems of gluing and ablation between round holes of a planetary gear and the shaft diameter of a cross shaft and gluing and ablation of the tooth surface of the planetary gear often occur, and further the inter-axle differential function failure and the transmission function failure are caused.
Disclosure of Invention
In order to solve the problem, the utility model provides an interaxial differential lubricating structure promotes lubricated reliability, differential functional reliability, transmission functional reliability.
The utility model discloses a concrete technical scheme as follows:
an inter-axle differential lubrication structure comprises a rear oil seal 4, a front oil seal 7, a speed reducer shell 5, an inter-axle differential shell 6 and a driving cylindrical gear 8, wherein the axle diameter of the rear oil seal 4 is matched with a round hole of the speed reducer shell 5; the shaft diameter of the tapered roller bearing 2 is matched with the round hole of the reducer shell 5; the shaft diameter of the rear half-shaft gear 3 is matched with the round hole of the tapered roller bearing 2; the circular holes of the four planet gears 9 are matched with the four shaft diameters of the cross shaft 10; the concave spherical surface of the inter-axle differential case 6 is matched with the convex spherical surface of the planetary gear 9; the bevel teeth of the four planet gears 9 are meshed with the bevel teeth of the rear half shaft gear 3, and the sealing lip of the rear oil seal 4 is matched with the shaft diameter of the inter-shaft differential case 6; the round hole of the front oil seal 7 is matched with the convex spigot of the driving cylindrical gear 8 and is welded into a whole; the bevel gear of the driving cylindrical gear 8 is meshed with the bevel gears of the four planetary gears 9, and the sealing lip of the front oil seal 7 is matched with the shaft diameter of the inter-shaft differential case 6; the adjusting gasket 12 is arranged in a stepped hole of the driving cylindrical gear 8; the round hole of the rear half shaft gear 3 of the cylindrical gear shaft 11 is matched, connected with the spline hole of the cross shaft 9 and matched with the round hole of the driving cylindrical gear 8, the rear oil seal 4 and the front oil seal 7 enable the speed reducer shell 5, the inter-shaft differential shell 6 and the driving cylindrical gear 8 to be enveloped to form a sealing body, and the differential shell 6 is provided with an oil passage hole 1 communicated with the sealing body.
The utility model discloses still another purpose provides a link up transaxle assembly based on above-mentioned interaxle differential mechanism lubricating structure.
The beneficial effects are as follows:
the utility model discloses an adopt back oil blanket and preceding oil blanket structure, with reducer casing, interaxial differential mechanism shell, initiative roller gear envelope one-tenth seal, store the gear oil that the oil duct hole got into to promote the lubricating property between interaxial differential mechanism gear, cross and the planetary gear. The problem of in solving current through drive axle because the lubrication of interaxle differential mechanism is poor, often appear between the round hole of planetary gear and the shaft diameter of cross axle gluing ablation, planetary gear tooth face gluing ablation, and then lead to interaxle differential function inefficacy and transmission function inefficacy etc is solved.
Drawings
Fig. 1 is a schematic structural diagram of a speed reducer assembly using the lubricating structure of the inter-axle differential mechanism of the present invention.
Fig. 2 is a schematic structural view of the differential case of the present invention.
Detailed Description
The invention is described in further detail with reference to the figures and the detailed description.
As shown in fig. 1, the utility model provides an interaxial differential lubrication structure, including back oil blanket 4, preceding oil blanket 7, speed reducer case 5, interaxial differential case 6 and initiative cylindrical gear 8, back oil blanket 4 and preceding oil blanket 7 envelope into a seal with speed reducer case 5, interaxial differential case 6, initiative cylindrical gear 8, store the gear oil that oil duct hole 1 got into.
The utility model also provides a through drive axle assembly based on the lubricating structure of the interaxial differential, the axle diameter of the rear oil seal 4 is matched and installed with the round hole of the reducer shell 5; the shaft diameter of the tapered roller bearing 2 is matched with the round hole of the reducer shell 5; the shaft diameter of the rear half-shaft gear 3 is matched with the round hole of the tapered roller bearing 2; the circular holes of the four planet gears 9 are matched with the four shaft diameters of the cross shaft 10; the concave spherical surface of the inter-axle differential case 6 is matched with the convex spherical surface of the planetary gear 9; the bevel teeth of the four planet gears 9 are meshed with the bevel teeth of the rear half shaft gear 3, and the sealing lip of the rear oil seal 4 is matched with the shaft diameter of the inter-shaft differential case 6; the round hole of the front oil seal 7 is matched with the convex spigot of the driving cylindrical gear 8 and is welded into a whole; the bevel gear of the driving cylindrical gear 8 is meshed with the bevel gears of the four planetary gears 9, and the sealing lip of the front oil seal 7 is matched with the shaft diameter of the inter-shaft differential case 6; the adjusting gasket 12 is arranged in a stepped hole of the driving cylindrical gear 8; the round hole of the rear half shaft gear 3 of the cylindrical gear shaft 11 is matched, connected with the spline hole of the cross shaft 9 and matched with the round hole of the driving cylindrical gear 8, the speed reducer shell 5, the inter-shaft differential shell 6 and the driving cylindrical gear 8 are enveloped into a sealing body by the rear oil seal 4 and the front oil seal 7, the differential shell 6 is provided with an oil passage hole 1 communicated with the sealing body, and gear oil is splashed into the speed reducer shell 5 through the oil passage hole 1.
The utility model discloses an adopt back oil blanket 4 and preceding oil blanket 7 structures, envelope into a seal with speed reducer case 5, interaxial differential mechanism case 6, the 8 envelopes of initiative cylindrical gear, store the gear oil that oil duct hole 1 got into to promote the lubricating property of interaxial differential mechanism gear, promote the lubricating property between cross axle and the planetary gear.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.
Claims (2)
1. The utility model provides an inter-axle differential lubricating structure which characterized in that: the transmission comprises a rear oil seal, a front oil seal, a speed reducer shell, an interaxial differential shell and a driving cylindrical gear, wherein the shaft diameter of the rear oil seal is matched with a round hole of the speed reducer shell; the shaft diameter of the tapered roller bearing is matched with the round hole of the reducer shell; the shaft diameter of the rear half shaft gear is matched with the circular hole of the tapered roller bearing; the circular holes of the four planetary gears are matched with the four shaft diameters of the cross shaft; the concave spherical surface of the interaxial differential shell is matched with the convex spherical surface of the planetary gear; the bevel teeth of the four planetary gears are meshed with the bevel teeth of the rear half shaft gear, and the sealing lips of the rear oil seal are matched with the shaft diameter of the inter-shaft differential shell; the circular hole of the front oil seal is matched with the convex spigot of the driving cylindrical gear and is welded into a whole; the bevel gear of the driving cylindrical gear is meshed with the bevel gears of the four planetary gears, and the sealing lip of the front oil seal is matched with the shaft diameter of the differential case between shafts; the adjusting gasket is arranged in a stepped hole of the driving cylindrical gear; the round hole of the rear half shaft gear of the cylindrical gear shaft is matched, connected with the spline hole of the cross shaft and matched with the round hole of the driving cylindrical gear, the rear oil seal and the front oil seal enable the speed reducer shell, the inter-shaft differential shell and the driving cylindrical gear to be enveloped to form a sealing body, and the differential shell is provided with an oil passage hole communicated with the sealing body.
2. A speed reducer assembly, comprising an inter-axle differential lubrication structure according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922448572.7U CN211474846U (en) | 2019-12-31 | 2019-12-31 | Lubricating structure of inter-axle differential and speed reducer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922448572.7U CN211474846U (en) | 2019-12-31 | 2019-12-31 | Lubricating structure of inter-axle differential and speed reducer assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211474846U true CN211474846U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922448572.7U Active CN211474846U (en) | 2019-12-31 | 2019-12-31 | Lubricating structure of inter-axle differential and speed reducer assembly |
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| CN (1) | CN211474846U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377609A (en) * | 2020-11-30 | 2021-02-19 | 北京福田戴姆勒汽车有限公司 | Axle and vehicle |
| CN112460239A (en) * | 2020-11-30 | 2021-03-09 | 北京福田戴姆勒汽车有限公司 | Axle and vehicle |
| CN112664636A (en) * | 2020-12-30 | 2021-04-16 | 一汽解放汽车有限公司 | Multi-spherical-surface interaxial differential assembly |
-
2019
- 2019-12-31 CN CN201922448572.7U patent/CN211474846U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377609A (en) * | 2020-11-30 | 2021-02-19 | 北京福田戴姆勒汽车有限公司 | Axle and vehicle |
| CN112460239A (en) * | 2020-11-30 | 2021-03-09 | 北京福田戴姆勒汽车有限公司 | Axle and vehicle |
| CN112664636A (en) * | 2020-12-30 | 2021-04-16 | 一汽解放汽车有限公司 | Multi-spherical-surface interaxial differential assembly |
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