Wheel-Side Reducer Housing With Integrated Steering Knuckle
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Solution Overview
Problem
Existing reducer designs for vehicles are structurally complex, large, and difficult to assemble, affecting integration and assembly efficiency, while also increasing the size and complexity of vehicle structures near the reducer.
Innovation Solution
A wheel-side reducer system with a housing comprising a front and rear housing, a speed reduction assembly, and a steering knuckle integrally molded on the front housing, featuring a non-rhombic quadrilateral gear arrangement and a waterproof sealing ring, which simplifies production, improves structural strength, and enhances integration and assembly efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transmission gears are arranged in a rhombus pattern to improve transmission stability, then power transmission reliability is improved, but structural complexity increases and production difficulty increases
Solution Approach 1:
The patent applies asymmetry by changing the traditional symmetric rhombus gear arrangement to a non-symmetric layout where gears are positioned at different radial distances from the center. The first and second intermediate gears are arranged at different positions relative to the input and output gears, creating an asymmetric configuration that simplifies the overall structure while maintaining transmission stability through optimized gear meshing paths.
2Reliability
If transmission gears are arranged in a rhombus pattern to improve transmission stability, then power transmission reliability is improved, but the size of the reducer increases
Solution Approach 1:
The patent utilizes dimensional optimization by arranging gears in a compact non-rhombic configuration that better utilizes the three-dimensional space within the housing. The asymmetric positioning allows for more efficient space utilization, reducing the overall footprint of the reducer while maintaining all necessary gear engagement paths for stable power transmission.
3Reliability
If the reducer size increases, then transmission stability is improved, but design and assembly of structures near the reducer becomes more difficult
Solution Approach 1:
The patent applies segmentation by dividing the reducer into modular components including a housing assembly, speed reduction assembly, and steering knuckle that are integrally molded together. This modular design with clearly defined interfaces simplifies the assembly process and makes the system more manageable despite maintaining transmission stability through optimized gear arrangements.
4Reliability
If the reducer size increases, then transmission stability is improved, but the integration level of the vehicle decreases
Solution Approach 1:
The patent applies merging by integrating the steering knuckle directly onto the housing through integral molding, combining what were previously separate components into a unified structure. This integration reduces the number of separate parts, simplifies vehicle assembly, and maintains a compact overall size while preserving transmission stability through the optimized gear arrangement within the integrated structure.
Data Source
AI summary
A wheel-side reducer system includes a housing, a speed reduction assembly, and a steering knuckle. The housing includes a front housing and a rear housing. The front housing and the rear housing are arranged opposite to each other and define an accommodating space together. The speed reduction assembly is arranged in the accommodating space. The steering knuckle is integrally molded on the front housing. The integrally molding of the steering knuckle on the front housing not only simplifies the production process of the housing, but also makes a connection between the steering knuckle and the front housing more reliable. Meanwhile, the integration level of the wheel-side reducer system can also be improved, to reduce the size of the wheel-side reducer system. A vehicle with the wheel-side reducer system is further disclosed.