CN213711784U - Cross axle differential mechanism - Google Patents
Cross axle differential mechanism Download PDFInfo
- Publication number
- CN213711784U CN213711784U CN202022846368.3U CN202022846368U CN213711784U CN 213711784 U CN213711784 U CN 213711784U CN 202022846368 U CN202022846368 U CN 202022846368U CN 213711784 U CN213711784 U CN 213711784U
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- differential mechanism
- differential
- cross
- gear
- shell
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Abstract
The utility model relates to a cross axle differential mechanism, including differential mechanism casing and master gear, the master gear is connected in the differential mechanism casing outside, installation through-hole is seted up to the upper and lower end of differential mechanism casing, two upper and lower mutual disposition's sun gear is installed to the position that is located installation through-hole in the differential mechanism casing, the position that is located between two sun gears in the differential mechanism casing is through installing logical groove connection "cross" word axle, "two sets of two liang of relative planetary gears are connected to the cross" word epaxial, planetary gear respectively with upper and lower two sun gear meshes, the inside internal spline who connects the semi-axis that sets up of sun gear, the bearing is connected in the upper and lower end outside of differential mechanism casing, cross axle differential mechanism, intensity is little, is difficult for the fracture, and gear structure simple to operate, and differential mechanism casing sealing performance is.
Description
Technical Field
The utility model relates to a differential mechanism especially relates to a cross axle differential mechanism.
Background
Differential mechanism can make left and right (or preceding, back) drive wheel realize with different rotational speed pivoted mechanism, is applied to small-size electric motor car's traditional differential mechanism (like fig. 1), lies in the differential mechanism and connects a set of planet wheel through "a" word hub connection between two upper and lower sun gear, and intensity is little, easy fracture, and for the convenience installation gear, differential mechanism casing upper shed is great, and sealing performance is poor.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects and researches and improves to provide a crossed shaft differential.
The utility model discloses the technical scheme who adopts as follows:
the utility model provides a cross axle differential mechanism, includes differential mechanism casing and master gear, the master gear is connected in the differential mechanism casing outside, installation through-hole is seted up to the differential mechanism casing upper and lower end, two upper and lower mutual disposition's sun gear is installed to the position that is located installation through-hole in the differential mechanism casing, the position that is located between two sun gears in the differential mechanism casing is through installation logical groove connection "cross" word axle, "cross" epaxial two sets of two liang of relative planetary gears of connecting, planetary gear respectively with upper and lower two sun gear meshes, the inside internal spline who connects the semi-axis that sets up of sun gear, bearing is connected in the differential mechanism casing upper and lower end outside.
As a further improvement of the above technical solution:
the differential shell is formed by detachably connecting an upper shell and a lower shell, and the main gear is connected to a connecting platform arranged on the lower shell.
The cross-shaped shaft is formed by positioning and clamping two straight shafts with notches in the middle.
The cross-shaped shaft is connected with a fastening box at the joint of the straight shaft, and the fastening box is formed by connecting an upper box body and a lower box body through bolts.
The utility model has the advantages as follows: the cross axle differential mechanism is characterized in that two sets of planetary gears are connected between the upper sun gear and the lower sun gear through a cross axle, the strength can be improved, the planetary gears are not prone to fracture, the differential mechanism shell adopts a detachable mode of an upper split body and a lower split body, the mounting is easy, a required opening in the differential mechanism shell is small, the sealing performance is good, in addition, a cross axle can be self-positioned through a gap formed in a corresponding mode, a positioning mechanism is not required to be additionally arranged, the cross axle is located at the connection position of the cross axle and is connected with a fastening box, and the connection strength of the two cross axles can be improved.
Drawings
Fig. 1 is a schematic structural view of a conventional in-line differential.
Fig. 2 is a schematic structural diagram of the universal joint pin differential provided by the present invention.
Fig. 3 is a cross sectional view of a spider differential provided by the present invention.
Fig. 4 is a schematic connection diagram of the sun gear and the planetary gear of the cross axle differential provided by the present invention.
Fig. 5 is a connection schematic diagram of a cross axle differential linear shaft provided by the present invention.
Fig. 6 is a schematic structural view of a cross axle of the cross axle differential provided by the present invention.
In the figure: 1. a differential housing; 11. an upper housing; 12. a lower housing; 121. connecting the platform; 13. mounting a through hole; 14. installing a through groove; 2. a main gear; 3. a sun gear; 31. an internal spline; 4. a cross-shaped axis; 41. a "straight" axis; 42. a fastening box; 5. a planetary gear; 6. and a bearing.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
As shown in fig. 1 to 6, the crossed-axis differential of the present embodiment includes a differential case 1 and a main gear 2, the differential case 1 is formed by detachably connecting an upper case 11 and a lower case 12, the main gear 2 is connected to a connecting platform 121 provided on the lower case 12, mounting through holes 13 are provided on the upper side of the upper case 11 and the lower side of the lower case 12, an upper sun gear 3 and a lower sun gear 3 are mounted in the differential case 1 at positions corresponding to the mounting through holes 13, a cross-shaped shaft 4 is connected to a position between the two sun gears 3 in the lower case 12 of the differential case 1 through a mounting through groove 14, the cross-shaped shaft 4 is formed by positioning and clamping two line shafts 41 having a gap in the middle portion, the two line shafts 41 can be restricted from each other through the gap without connecting a positioning mechanism, and a fastening box 42 is connected to the cross-shaped shaft 4 at the connection position of the line shafts 41, can improve the joint strength of "cross" axle 4 through fastening box 42, fastening box 42 is formed through bolted connection by two upper and lower box bodys, "cross" axle 4 is gone up and is connected two sets of two liang of opposite planetary gear 5, planetary gear 5 meshes with two upper and lower sun gear 3 respectively, the inside internal spline 31 of connecting the semi-axis that sets up of sun gear 3, the upper and lower end outside of differential mechanism casing 1 connection bearing 6.
When the crossed-axis differential of the embodiment is installed, one sun gear 3 is connected into the lower shell 12, then four planet gears 5 are connected to the cross shaft 4, the four planet gears 5 are installed in the lower shell 12 at the position above the sun gear 3 through the cross shaft 4, the lower sides of the four planet gears 5 are meshed with the upper side of the sun gear 3 in the lower shell 12, then the other sun gear 3 is connected into the upper shell 11, the upper shell 11 is connected to the upper end of the lower shell 12, the sun gear 3 in the upper shell 11 is meshed with the upper sides of the four planet gears 5, and finally the main gear 2 is connected onto the lower shell 12 and provided with the connecting platform 121, so that the installation of the crossed-axis differential is completed.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (4)
1. A crossed-axis differential, characterized by: comprises a differential case (1) and a main gear (2), wherein the main gear (2) is connected with the outer side of the differential case (1), the upper end and the lower end of the differential shell (1) are provided with mounting through holes (13), the upper end and the lower end of the differential shell (1) are provided with two sun gears (3) which are oppositely arranged at the positions of the mounting through holes (13), the position between the two sun gears (3) in the differential shell (1) is connected with a cross-shaped shaft (4) through a mounting through groove (14), two groups of planet gears (5) which are opposite in pairs are connected on the cross-shaped shaft (4), the planet gear (5) is respectively meshed with the upper sun gear (3) and the lower sun gear (3), an internal spline (31) connected with a half shaft is arranged in the sun gear (3), and bearings (6) are connected to the outer sides of the upper end and the lower end of the differential shell (1).
2. The crossed-axis differential of claim 1, wherein: the differential shell (1) is formed by detachably connecting an upper shell (11) and a lower shell (12), and the main gear (2) is connected to a connecting platform (121) arranged on the lower shell (12).
3. The crossed-axis differential of claim 1, wherein: the cross-shaped shaft (4) is formed by positioning and clamping two straight shafts (41) with notches in the middle.
4. The crossed-axis differential of claim 3, wherein: the cross-shaped shaft (4) is connected with a fastening box (42) at the joint of the straight-shaped shaft (41), and the fastening box (42) is formed by connecting an upper box body and a lower box body through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022846368.3U CN213711784U (en) | 2020-12-01 | 2020-12-01 | Cross axle differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022846368.3U CN213711784U (en) | 2020-12-01 | 2020-12-01 | Cross axle differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213711784U true CN213711784U (en) | 2021-07-16 |
Family
ID=76786112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022846368.3U Active CN213711784U (en) | 2020-12-01 | 2020-12-01 | Cross axle differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213711784U (en) |
-
2020
- 2020-12-01 CN CN202022846368.3U patent/CN213711784U/en active Active
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