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Differential, power transmission system and vehicle

A differential and planetary gear technology, applied in the field of differentials, can solve the problems of excessively large axial dimensions of the differential structure, large mass of the casing and bevel gears, etc., achieving small axial dimensions and high space utilization. Effect

Active Publication Date: 2017-04-05
BYD CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, this differential uses a symmetrical bevel gear structure to realize the inter-wheel differential, which is only a partial innovation for the traditional symmetrical bevel gear differential, and cannot really solve the problem that the axial size of this differential structure is too large , shell and bevel gear mass and the shortcomings of relative deviation of reliability

Method used

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  • Differential, power transmission system and vehicle
  • Differential, power transmission system and vehicle
  • Differential, power transmission system and vehicle

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Embodiment Construction

[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0044] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descrip...

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Abstract

The invention discloses a differential, a power transmission system and a vehicle. The differential consists of a first planet rack, a first planet gear and a first gear ring, a second planet rack, a second planet gear and a second gearing, and an input part; the first planet gear is arranged on the first planet rack, and is engaged with the first gear ring; the second planet gear is arranged on the second planet rack, and is engaged with the second gear ring and the first planet gear; the first gear ring and the second gear ring form two power output ends of the differential; the input part, the first planet rack and the second planet rack are coaxially arranged; and the input part is linked with the first planet rack and the second planet rack. The differential uses a planet differential principle, is higher in space utilization rate on structure and connecting form, is smaller in axial size, and has more advantages on production and assembly.

Description

technical field [0001] The invention relates to a differential, a power transmission system with the differential, and a vehicle with the power transmission system. Background technique [0002] In a kind of differential gear technology that the inventor understands, differential gear comprises the driven gear of final reducer (main reduction and driven gear), planetary gear, sun gear etc., and planetary gear is installed on slave gear by square shaft, bushing. The sub-plate of the movable gear is meshed with the center wheel, and its rotation and movement functions are realized by the rotating pair and the planar moving pair. moment purpose. This kind of differential cancels the original left and right differential housings, planetary gear shafts and other components, and uses square shafts and bushings to directly install the planetary gears on the sub-plate of the driven gear of the main reducer, effectively The number of parts of the differential is reduced, the struct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H48/10
CPCF16H48/10
Inventor 杨冬生廉玉波张金涛罗红斌
Owner BYD CO LTD
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