CN214248203U - Zero clearance differential mechanism assembly - Google Patents
Zero clearance differential mechanism assembly Download PDFInfo
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- CN214248203U CN214248203U CN202022446928.6U CN202022446928U CN214248203U CN 214248203 U CN214248203 U CN 214248203U CN 202022446928 U CN202022446928 U CN 202022446928U CN 214248203 U CN214248203 U CN 214248203U
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- gear
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- gasket
- planetary gear
- differential
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Abstract
The utility model discloses a zero clearance differential assembly, including differential mechanism casing, half axle gear gasket, planetary gear gasket, planet gear axle and adjusting spring, the differential mechanism casing is monolithic structure, be provided with planetary gear and planetary gear gasket in the differential mechanism casing symmetry, and be provided with the planet gear axle between two planetary gear and planetary gear gasket, fix symmetrical planetary gear and planetary gear gasket together by the planet gear axle; the axial two sides of the differential case are provided with a symmetrical half axle gear and a half axle gear gasket, the half axle gear and the planet gear are mutually meshed, and the left end of the differential case is provided with a clamping groove for placing an adjusting spring; by providing the side gear spacer and the adjustment spring inside the differential case, the meshing between the side gear and the planetary gear is made zero clearance.
Description
Technical Field
The utility model relates to an automobile parts field, in particular to zero clearance differential mechanism assembly.
Background
At present, a planetary gear mechanism is widely used in a differential assembly of an automobile to realize differential speed of a left half shaft and a right half shaft. The meshing clearance between the side gear and the planetary gear of the differential with the structure is generally 0.23-0.32 mm; the planetary gear adjusting gasket and the half axle gear adjusting gasket have the defects of multiple specifications, complex assembly, often repeated trial and addition of the gaskets to adjust to a proper meshing gap, non-compact structure, high noise, gear engaging abnormal sound, pause and frustration in low-speed running and the like. Therefore, it is important to solve such problems.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a zero clearance differential mechanism assembly is through inside half axle gear gasket and the adjusting spring of setting up at the differential mechanism casing for half axle gear with meshing between the planetary gear is zero clearance.
In order to realize the technical scheme, the utility model provides a zero clearance differential assembly, including differential mechanism casing, side gear gasket, planetary gear gasket, planet gear axle and adjusting spring, the differential mechanism casing is monolithic structure, is provided with planetary gear and planetary gear gasket in the differential mechanism casing symmetry, and is provided with the planet gear axle between two planetary gear and planetary gear gasket, fixes symmetrical planetary gear and planetary gear gasket together by the planet gear axle; and symmetrical half-shaft gears and half-shaft gear gaskets are arranged on two axial sides of the differential case, the half-shaft gears and the planetary gears are meshed with each other, and a clamping groove for placing an adjusting spring is arranged on the left side of the differential case.
The further improvement lies in that: the adjusting spring is a wave spring.
The further improvement lies in that: the half axle gear gasket is a spherical gasket.
The further improvement lies in that: one end of the adjusting spring is in abutting fit with one end of the half axle gear, and the clearance between the planet gear and the half axle gear is eliminated through resilience after the adjusting spring is pressed, so that the meshing between the half axle gear and the planet gear is zero clearance.
The further improvement lies in that: an adjusting spring, a side gear spacer and a side gear are sequentially installed in the differential case, then the side gear and the side gear spacer on the other side are installed, and finally the planetary gear, the planetary gear spacer and the planetary gear shaft are installed in the differential case.
The utility model has the advantages that: the meshing between the side gear and the planetary gear is zero clearance by arranging a side gear gasket and an adjusting spring in the differential case; the complicated pad selecting process is omitted, the production efficiency is greatly improved, and meanwhile, the gear meshing clearance is eliminated, so that the transmission is more stable, the transmission efficiency is improved, and the NVH value is reduced.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is an overall diagram of the differential of the present invention.
Fig. 3 is a structural diagram of the adjusting spring of the present invention.
Fig. 4 is a structural diagram of the side gear spacer of the present invention.
Wherein: 1. a differential housing; 2. a half shaft gear; 3. a half-shaft gear spacer; 4. a planetary gear; 5. a planetary gear spacer; 6. a planetary gear shaft; 7. adjusting the spring; 8. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, 2, 3 and 4, the present embodiment provides a zero-clearance differential assembly, which includes a differential case 1, a side gear 2, a side gear spacer 3, a planetary gear 4, a planetary gear spacer 5, a planetary gear shaft 6 and an adjusting spring 7, wherein the differential case 1 is of an integral structure, the planetary gear 4 and the planetary gear spacer 5 are symmetrically disposed in the differential case 1, the planetary gear shaft 6 is disposed between the two planetary gears 4 and the planetary gear spacer 5, and the symmetrical planetary gear 4 and the planetary gear spacer 5 are fixed together by the planetary gear shaft 6; and symmetrical side gears 2 and side gear gaskets 3 are arranged on two axial sides of the differential case 1, the side gears 2 and the planet gears 4 are meshed with each other, and a clamping groove 8 for placing an adjusting spring 7 is arranged on the left side of the differential case 1.
The adjusting spring 7 is a wave spring.
The half axle gear gasket 3 is a spherical gasket.
One end of the adjusting spring 7 is in abutting fit with one end of the side gear 2, and the clearance between the planet gear 4 and the side gear 2 is eliminated through rebound of the adjusting spring 7 after being pressed, so that the meshing between the side gear 2 and the planet gear 4 is zero clearance.
Sequentially installing an adjusting spring 7, a half axle gear gasket 3 for adjustment and a half axle gear 2 into a differential case 1, starting equipment, compressing the adjusting spring by using a special tool, and then installing the half axle gear gasket 3 and the half axle gear 2 on the other side; finally, the planet gear gasket 5, the planet gear 4 and the planet gear shaft 6 are arranged in one time; and finishing assembly after checking whether the packaging is missed.
The side gear 2 and the planet gear 4 are meshed to form a zero clearance by arranging a side gear spacer 3 and an adjusting spring 7 for adjustment in the differential case 1; the complicated pad selecting process is omitted, the production efficiency is greatly improved, and meanwhile, the gear meshing clearance is eliminated, so that the transmission is more stable, the transmission efficiency is improved, and the NVH value is reduced.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A zero-clearance differential assembly, characterized by: the differential mechanism comprises a differential mechanism shell (1), a half axle gear (2), a half axle gear gasket (3), planet gears (4), planet gear gaskets (5), planet gear shafts (6) and an adjusting spring (7), wherein the differential mechanism shell (1) is of an integral structure, the planet gears (4) and the planet gear gaskets (5) are symmetrically arranged in the differential mechanism shell (1), the planet gear shafts (6) are arranged between the two planet gears (4) and the planet gear gaskets (5), and the planet gears (4) and the planet gear gaskets (5) which are symmetrical are fixed together through the planet gear shafts (6); and symmetrical half-shaft gears (2) and half-shaft gear gaskets (3) are arranged on two axial sides of the differential case (1), the half-shaft gears (2) and the planetary gears (4) are meshed with each other, and a clamping groove (8) for placing an adjusting spring (7) is arranged on the left side of the differential case (1).
2. A zero-clearance differential assembly according to claim 1, wherein: the adjusting spring (7) is a wave spring.
3. A zero-clearance differential assembly according to claim 1, wherein: the half axle gear gasket (3) is a spherical gasket.
4. A zero-clearance differential assembly according to claim 1, wherein: one end of the adjusting spring (7) is in abutting fit with one end of the side gear (2), and the clearance between the planet gear (4) and the side gear (2) is eliminated through rebound of the adjusting spring (7) after being pressed, so that the meshing between the side gear (2) and the planet gear (4) is zero clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022446928.6U CN214248203U (en) | 2020-10-29 | 2020-10-29 | Zero clearance differential mechanism assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022446928.6U CN214248203U (en) | 2020-10-29 | 2020-10-29 | Zero clearance differential mechanism assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214248203U true CN214248203U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022446928.6U Active CN214248203U (en) | 2020-10-29 | 2020-10-29 | Zero clearance differential mechanism assembly |
Country Status (1)
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| CN (1) | CN214248203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251427A (en) * | 2022-01-06 | 2022-03-29 | 东风柳州汽车有限公司 | Differential mechanism and vehicle |
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2020
- 2020-10-29 CN CN202022446928.6U patent/CN214248203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251427A (en) * | 2022-01-06 | 2022-03-29 | 东风柳州汽车有限公司 | Differential mechanism and vehicle |
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