CN220416147U - Novel differential mechanism structure - Google Patents
Novel differential mechanism structure Download PDFInfo
- Publication number
- CN220416147U CN220416147U CN202321762916.1U CN202321762916U CN220416147U CN 220416147 U CN220416147 U CN 220416147U CN 202321762916 U CN202321762916 U CN 202321762916U CN 220416147 U CN220416147 U CN 220416147U
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- Prior art keywords
- cross shaft
- planetary gear
- cross
- seat
- differential mechanism
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- 239000002184 metal Substances 0.000 claims description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 239000000306 component Substances 0.000 description 6
- 241000239290 Araneae Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a novel differential mechanism structure which comprises a differential mechanism shell, a cross shaft and a planetary gear assembled on the cross shaft, wherein the center of the cross shaft is provided with a cross shaft seat, the cross shaft seat is of a tubular structure, the planetary gear is arranged between the differential mechanism shell and the cross shaft seat, the planetary gear is matched with the cross shaft through a pin hole, and a sliding assembly is arranged at the matched part of the planetary gear and the cross shaft. The cross shaft seat is designed into a tubular structure, holes in the axial direction of the circular tube are utilized, and holes perpendicular to the axial direction of the circular tube are punched at the same time, so that the cross shaft seat is used for mounting the cross shaft.
Description
Technical Field
The utility model belongs to the field of heavy commercial axles, and particularly relates to a novel differential mechanism structure.
Background
For heavy-duty commercial axles, the axle reduction transmission system is one of the most critical core components, and the good running state of the axle reduction transmission system is critical to the reliability of the axle, and particularly the importance of the differential in the field of heavy-duty commercial vehicles is prominent. The existing structure differential is extremely easy to wear the parts of the differential shell, the gears, the cross axles and the like because the heavy commercial vehicle has a low-speed high-torque working condition for a long time; meanwhile, the existing cross shaft structure has low installation and positioning precision, and the bearing strength is difficult to further improve due to space limitation, so that the problem that the cross shaft is easy to break under the working condition of large torque is solved. The running reliability of the axle speed reduction transmission system is seriously affected, and the overall service life of the axle and the running safety of the vehicle are seriously affected.
Disclosure of Invention
The utility model aims to solve the problems that the abrasion of the parts such as a differential case, a gear, a cross shaft and the like is easy to occur, the mounting and positioning precision of a cross shaft structure is low, and the bearing strength is difficult to further improve due to space limitation in the existing heavy commercial vehicle differential mechanism.
In order to solve the problems in the prior art, the utility model adopts the following technical scheme:
a novel differential mechanism structure comprises a differential mechanism shell, a cross shaft and a planetary gear assembled on the cross shaft.
The center position of the cross shaft is provided with a cross shaft seat, and the cross shaft seat is of a tubular structure.
The planetary gear is arranged between the differential shell and the cross shaft seat, the planetary gear is matched with the cross shaft through a pin hole, and a sliding assembly is arranged at the matched position of the planetary gear and the cross shaft.
The cross shaft seat is designed into a tubular structure, holes in the axial direction of the circular tube are utilized, and holes perpendicular to the axial direction of the circular tube are punched at the same time, so that the cross shaft is used for mounting the cross shaft.
Further, the spherical wear-resistant gasket is arranged on the matching surface of the planet gear and the differential mechanism shell, and the spherical wear-resistant gasket is arranged, so that the wear resistance of the planet gear is better, the service life is greatly prolonged, the cross shaft seat is circular or rectangular in cross section along the direction perpendicular to the axis, and the cross shaft is of a pin shaft structure with two lengths or four sections of pin shaft structures with the same length.
Further, the two sides of the spherical wear-resistant gasket are respectively provided with an oil duct for storing lubricating oil, the sliding component is one of a metal bushing, a nonmetal bushing, a metal/nonmetal composite bushing, a needle roller or a needle roller bearing structure, friction between a cross shaft and a planetary gear is reduced by arranging the sliding component, and the axes of two holes of the cross shaft seat are mutually perpendicular.
The beneficial effects of the utility model are as follows:
1. good wear resistance and strong bearing capacity: by arranging the spherical wear-resistant gasket and the sliding component, the lubrication performance of the differential shell, the planetary gears, the cross shafts and other parts is effectively improved, and the wear resistance of the differential is improved; meanwhile, the strength of the cross shaft is effectively improved through the cylindrical cross shaft seat, so that the bearing capacity of the differential mechanism is effectively improved.
2. The installation positioning precision is high: the problem of poor installation positioning accuracy of the conventional differential is solved by arranging the cylindrical cross axle seat, and the operation reliability of the differential is effectively improved.
3. Light in weight, with low costs: the cylindrical cross axle seat can be formed by canceling standard pipes, so that the weight and the manufacturing cost of the product are effectively reduced while the performance of the product is ensured.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a diagram showing the fit relationship between a spider base and a spider in the present utility model;
fig. 3 is a schematic structural diagram of a spider according to the present utility model.
In the figure: 1-a differential housing; 2-a cross shaft; 3-spherical wear-resistant gaskets; 4-a sliding assembly; 5-planetary gears; 6-a cross axle seat.
Detailed Description
The utility model is further described with reference to the drawings and reference numerals.
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
The terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
Example 1:
as shown in fig. 1, a novel differential structure includes a differential case 1, a cross 2, and a planetary gear 5 fitted to the cross 2.
The center position of the cross shaft 2 is provided with a cross shaft seat 6, and the cross shaft seat 6 is of a tubular structure.
The planetary gear 5 is arranged between the differential housing 1 and the cross shaft seat 6, the planetary gear 5 is matched with the cross shaft 2 through a pin hole, and a sliding component 4 is arranged at the matched position of the planetary gear 5 and the cross shaft 2.
The cross shaft seat 6 is designed into a tubular structure, holes in the axial direction of the circular tube are utilized, and holes perpendicular to the axial direction of the circular tube are punched at the same time, so that the cross shaft 2 is installed, and compared with the original square cross shaft seat 6, the tubular cross shaft seat 6 is more convenient to process and lower in cost.
Example 2:
as shown in fig. 1-3, the mating surface of the planet gears 5 and the differential housing 1 is provided with spherical wear washers 3.
By arranging the spherical wear-resistant gasket 3, the wear resistance of the planetary gear 5 is better, and the service life is greatly prolonged.
The cross shaft seat 6 has a circular ring shape or a rectangular cross section along the direction perpendicular to the axis.
The cross shaft 2 is in a pin shaft structure with two lengths or four sections with the same length.
The cross 2 may be of various configurations, and fig. 2 shows a two-long configuration.
The two sides of the spherical wear-resistant gasket 3 are provided with oil channels for storing lubricating oil, and the oil channels are of the prior art and are directly used.
The sliding component 4 is one of a metal bushing, a nonmetal bushing, a metal/nonmetal composite bushing, a needle roller or a needle roller bearing structure, and friction between the cross shaft 2 and the planetary gear 5 is reduced by arranging the sliding component 4.
The axes of the two holes of the cross shaft seat 6 are mutually perpendicular.
The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.
Claims (7)
1. A novel differential mechanism structure, characterized in that: comprises a differential case (1), a cross shaft (2) and a planetary gear (5) assembled on the cross shaft (2);
a cross shaft seat (6) is arranged at the center of the cross shaft (2), and the cross shaft seat (6) is of a tubular structure;
the planetary gear (5) is arranged between the differential mechanism shell (1) and the cross shaft seat (6), the planetary gear (5) is matched with the cross shaft (2) through a pin hole, and a sliding component (4) is arranged at the matched position of the planetary gear (5) and the cross shaft (2).
2. The novel differential structure of claim 1, wherein: the spherical wear-resistant gasket (3) is arranged on the matching surface of the planet gear (5) and the differential mechanism shell (1).
3. The novel differential structure of claim 1, wherein: the cross shaft seat (6) is circular or rectangular in cross section along the direction perpendicular to the axis.
4. The novel differential structure of claim 1, wherein: the cross shaft (2) is of a pin shaft structure with two length parts or four sections of pin shaft structures with the same length.
5. The novel differential structure of claim 2, wherein: both sides of the spherical wear-resistant gasket (3) are provided with oil ducts for storing lubricating oil.
6. The novel differential structure of claim 1, wherein: the sliding component (4) is one of a metal bushing, a nonmetal bushing, a metal/nonmetal composite bushing, a needle roller or a needle roller bearing structure.
7. The novel differential structure of claim 1, wherein: the axes of the two holes of the cross axle seat (6) are mutually perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321762916.1U CN220416147U (en) | 2023-07-06 | 2023-07-06 | Novel differential mechanism structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321762916.1U CN220416147U (en) | 2023-07-06 | 2023-07-06 | Novel differential mechanism structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416147U true CN220416147U (en) | 2024-01-30 |
Family
ID=89660910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321762916.1U Active CN220416147U (en) | 2023-07-06 | 2023-07-06 | Novel differential mechanism structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416147U (en) |
-
2023
- 2023-07-06 CN CN202321762916.1U patent/CN220416147U/en active Active
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| GR01 | Patent grant |