Vehicle differential and vehicle
A technology for differentials and vehicles, applied in differential transmissions, transmissions, belts/chains/gears, etc., can solve the problems that do not conform to the development trend of lightweight vehicles, high processing costs, and long differential assembly processes, etc. problems, to achieve the effect of improving fuel economy or cruising range, reducing the number of connecting bolts, and reducing the cost of raw materials
Pending Publication Date: 2022-07-29
智新科技股份有限公司
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Problems solved by technology
[0004] The existing vehicle differential has complex structure, many parts and high cost
The two planetary gears on the current differential are fixed in the casing by planetary shafts and positioning pins, and the main reduction gear is fixed on the casing by more than a dozen bolts. This kind of structure has many parts and heavy weight. The process is long, the assembly process is poor, and there are many finishing surfaces, which requires high precision parts, resulting in high processing costs, which does not meet the development trend of lightweight vehicles
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[0033] Reference will now be made in detail to specific embodiments of the present invention, examples of which are illustrated in the accompanying drawings. While the invention will be described in conjunction with specific embodiments, it will be understood that the intention is not to limit the invention to the described embodiments. On the contrary, the intention is to cover changes, modifications and equivalents included within the spirit and scope of the invention as defined by the appended claims. It should be noted that the method steps described herein may all be implemented by any functional block or arrangement of functions, and that any functional block or arrangement of functions may be implemented as physical or logical entities, or a combination of both.
[0034] In order to make those skilled in the art better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specifi...
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The invention discloses a vehicle differential mechanism and a vehicle, and relates to the technical field of differential mechanisms. The vehicle differential mechanism comprises a shell, a differential mechanism body and a differential mechanism body, the two flanges are arranged on the two sides of the shell, and the flanges are connected with differential mechanism driving pieces; the connecting piece is connected with the shell and the two flanges; the two half axle gears are arranged in the first half axle through hole and the second half axle through hole of the shell in a penetrating manner in a one-to-one correspondence manner; the two planetary gears are arranged in the first planetary through hole and the second planetary through hole of the shell in a penetrating mode in a one-to-one correspondence mode, and the planetary gears are meshed with the two half axle gears at the same time. The differential mechanism has the advantages that through reasonable structural optimization, a planetary shaft and a positioning pin of a traditional differential mechanism are omitted, and the planetary gear has a limiting function. The number of parts is reduced, the structure is simple, the weight is reduced, the design target of light weight is achieved, and the fuel economy or the endurance mileage of a vehicle can be improved.
Description
technical field [0001] The present invention relates to the technical field of differential gears, in particular to a vehicle differential gear and a vehicle. Background technique [0002] The differential is one of the important parts on the vehicle, which can make the left and right wheels rotate at different speeds to meet the speed requirements of the vehicle under different working conditions. When the vehicle turns, the wheels on the outside of the curve must turn faster than the wheels on the inside to achieve the turn. In this way, there is a speed difference between the left and right wheels, and the function of the differential is to absorb the speed difference generated by the left and right wheels. , reduce the friction between the tire and the ground. [0003] The power of the vehicle is first transmitted to the differential casing through the gear, and then transmitted to the two planetary gears through the planetary shaft, and then to the side gears at both e...
Claims
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IPC IPC(8): F16H48/08F16H48/36F16H48/38F16H48/40F16H48/42
CPCF16H48/08F16H48/36F16H48/38F16H48/40F16H48/42
Inventor 袁军伟
Owner 智新科技股份有限公司