Automobile rear axle structure
By symmetrically setting the transferor and the input gear shaft, combined with detection sensors and arc gear discs and other components, a small-volume automobile rear axle structure was designed, which solved the problems of large volume and high center of gravity in the prior art, and achieved more stable and efficient driving performance.
Patent Information
- Application Number
- CN202421767491.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The existing rear axle structure of automobiles increases in volume due to the existence of transfer devices and other components, which affects the layout design of the vehicle chassis, and has a high center of gravity, resulting in unstable driving.
A small-volume automobile rear axle structure is designed to reduce the housing volume by symmetrically setting the transferor with the input gear axle, and reduce the center of gravity and volume by setting components such as detection sensors and arc gear discs.
The small-volume rear axle structure of the car is realized, which reduces the energy consumption of the vehicle, improves driving stability and handling, and reduces the risk of rollover.
Smart Images
Figure CN222823677U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of transmission components and relates to a rear axle structure, in particular to an automobile rear axle structure. Background Art
[0002] The car differential is the main component of the car drive axle. It enables the left and right drive wheels to rotate at different speeds to meet the various needs of the car during driving. The common differential will distribute the power output of the transmission to different tires through the transfer case to enable the vehicle to drive under different road conditions. The transfer case can also dynamically adjust the power output of different tires according to road conditions to provide better traction and stability.
[0003] Since components such as the transfer case will cause the rear axle structure to increase in size, it will bring greater difficulties to the vehicle chassis layout design. Summary of the invention
[0004] The utility model aims to provide a small-volume automobile rear axle structure in view of the above-mentioned problems existing in the prior art.
[0005] The purpose of the utility model can be achieved through the following technical solutions: a rear axle structure of an automobile, characterized in that it includes a differential housing composed of a box body and a box cover, a transmission gear set is arranged in the differential housing, an input gear shaft is arranged on the transmission gear set, an output gear is vertically arranged at the end of the input gear shaft, a transfer case and a detection sensor are arranged on the differential housing, the transfer case and the input gear shaft are axially arranged, and the transfer case and the input gear shaft are arranged on the same horizontal line.
[0006] In the above-mentioned automobile rear axle structure, the output gear is provided with an arc gear plate, an output gear shaft is provided on one side of the arc gear plate, a clutch transmission claw is provided on the output gear shaft, and the clutch transmission claw and the arc gear plate are provided with end face teeth that are engaged with each other.
[0007] In the above-mentioned automobile rear axle structure, a shift fork is provided on the clutch transmission claw, and the end of the shift fork conflicts with the transfer case.
[0008] Compared with the prior art, the rear axle structure of the automobile reduces the volume of the housing by symmetrically arranging the transfer case and the input gear shaft, reduces the center of gravity of the rear axle structure of the automobile, makes the vehicle more stable when driving and reduces rollover, increases the vehicle's maneuverability, and the end face teeth have a larger contact area than traditional splines, and the transmission is more stable. The smaller clutch transmission claws further reduce the volume of the rear axle structure of the automobile, and the small volume of the rear axle structure of the automobile can reduce the energy consumption of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1It is a structural schematic diagram of the rear axle structure of this automobile.
[0010] Figure 2 It is a structural schematic diagram of the rear axle structure of this automobile.
[0011] Figure 3 It is a structural schematic diagram of the rear axle structure of this automobile.
[0012] In the figure, 1, case cover; 2, input gear shaft; 3, case body; 4, output gear; 5, transfer case; 6, detection sensor; 7, transmission gear set; 8, arc gear plate; 9, output gear shaft; 10, clutch transmission claw; 11, shift fork; 12, end face gear; 13, differential case. DETAILED DESCRIPTION
[0013] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0014] like Figure 1 , 2 As shown in Figure 3, the rear axle structure of the present automobile comprises a differential housing 13 consisting of a housing 3 and a housing cover 1, a transmission gear set 7 is arranged in the differential housing 13, an input gear shaft 2 is arranged on the transmission gear set 7, an output gear 4 is vertically arranged at the end of the input gear shaft 2, a transfer case 5 and a detection sensor 6 are arranged on the differential housing 13, the transfer case 5 and the input gear shaft 2 are arranged in the same horizontal line, the input gear shaft 2 and the transfer case 5 are arranged on both sides of the differential housing 13 respectively, so as to reduce the volume of the housing, and by arranging the transfer case 5 and the sensor on the side of the differential housing 13, the center of gravity of the present rear axle structure is lowered, so that the driving of the vehicle is more stable.
[0015] Preferably, an arc gear plate 8 is provided on the output gear 4, an output gear shaft 9 is provided on one side of the arc gear plate 8, a clutch transmission claw 10 is provided on the output gear shaft 9, and the clutch transmission claw 10 and the arc gear plate 8 are provided with end face teeth 12 that are engaged with each other. The end face teeth 12 have a larger contact area when biting, thereby reducing the length of the clutch transmission claw 10 and the toothed plate, and further reducing the volume of the rear axle structure of the vehicle.
[0016] Preferably, a shift fork 11 is provided on the clutch transmission claw 10 , and a distal end of the shift fork 11 is in conflict with the transfer case 5 .
[0017] The specific embodiments described herein are merely examples of the spirit of the present invention. A person skilled in the art of the present invention may make various modifications or additions to the specific embodiments described or replace them in a similar manner, but this will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
[0018] Although the terms such as case cover 1, input gear shaft 2, case body 3, output gear 4, transfer case 5, detection sensor 6, transmission gear set 7, arc gear plate 8, output gear shaft 9, clutch transmission claw 10, shift fork 11, face gear 12, differential case 13 are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.
Claims
1. A rear axle structure of an automobile, characterized in that: The invention comprises a differential housing (13) composed of a housing (3) and a housing cover (1), wherein a transmission gear set (7) is arranged in the differential housing (13), an input gear shaft (2) is arranged on the transmission gear set (7), an output gear (4) is vertically arranged at the end of the input gear shaft (2), a transfer case (5) and a detection sensor (6) are arranged on the differential housing (13), the transfer case (5) and the input gear shaft (2) are arranged in the same horizontal line.
2. The automobile rear axle structure according to claim 1, characterized in that: The output gear (4) is provided with an arc toothed disc (8), an output gear shaft (9) is provided on one side of the arc toothed disc (8), a clutch transmission claw (10) is provided on the output gear shaft (9), and the clutch transmission claw (10) and the arc toothed disc (8) are both provided with end face teeth (12) that are engaged with each other.
3. The automobile rear axle structure according to claim 2, characterized in that: A shift fork (11) is provided on the clutch transmission claw (10), and the end of the shift fork (11) is in contact with the transfer case (5).