Rear Shock Absorber Load Path With Closed-Section Body Reinforcement
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Solution Overview
Problem
The existing structure of rear shock absorbers in vehicles, particularly in pickup trucks, lacks sufficient connectivity, leading to deteriorated torsional rigidity as the cumulative travel distance increases, resulting in inefficient load distribution.
Innovation Solution
A load distribution structure that improves connectivity between the rear shock absorber and the quarter member by forming closed cross sections with interconnected components such as the shock absorber mounting panel, quarter upper member, rear side member, and shock absorber members, enhancing load distribution and transmission to the vehicle body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the rear shock absorber is connected only to the bracket and the reinforcement, then the structure is simple, but the torsional rigidity deteriorates as cumulative travel distance increases due to insufficient connectivity
Solution Approach 1:
The shock absorber mounting structure is divided into multiple segments: mounting panel, bracket, reinforcement, and quarter member. Each segment performs a specific function in the load transmission path, allowing the system to achieve both simplicity and high rigidity through modular design.
Solution Approach 2:
The patent merges multiple structural components (mounting panel, bracket, reinforcement, quarter member) into an integrated load distribution system. This combination creates multiple load transmission paths that work together to maintain torsional rigidity while distributing stresses effectively throughout the vehicle body.
2Reliability
If the rear shock absorber is connected only to the bracket and the reinforcement, then the structure is simple, but the load distribution becomes inefficient
Solution Approach 1:
The load transmission path is segmented into distinct functional zones: the mounting panel receives vertical loads, the bracket distributes them laterally, the reinforcement handles bending moments, and the quarter member transmits loads to the vehicle body. This segmentation ensures reliable load distribution while keeping each component relatively simple.
Solution Approach 2:
The patent transitions from a one-dimensional load path (single connection point) to a three-dimensional load distribution network. Loads are distributed across multiple spatial dimensions through the interconnected mounting panel, bracket, reinforcement, and quarter member, significantly improving reliability without excessive complexity.
3Strength
If the connectivity of the rear shock absorber is insufficient, then the structure is simple, but the frame rigidity and durability deteriorate over time
Solution Approach 1:
Multiple structural elements are merged into a unified mounting system where the mounting panel, bracket, reinforcement, and quarter member work together as an integrated load-bearing structure. This merging creates redundant load paths that maintain frame rigidity and durability without requiring excessive individual components.
Solution Approach 2:
The mounting structure utilizes composite construction combining different structural forms (flat panels, L-shaped brackets, reinforcement ribs, and quarter member profiles) to achieve superior mechanical properties. Each component's geometry is optimized for its specific structural role, creating a composite system with enhanced strength-to-weight ratio.
Data Source
AI summary
A load distribution structure for a shock absorber of a vehicle includes a shock absorber mounting panel fastened to an upper end of the shock absorber of the vehicle, a quarter upper member disposed in a longitudinal direction of the vehicle, a rear side member disposed in the longitudinal direction of the vehicle and configured to support a lower end of the shock absorber mounting panel, a shock absorber member mid having a lower end connected to the rear side member, and a shock absorber member upper having a lower end connected to the shock absorber member mid and an upper end connected to the quarter upper member, wherein a closed cross section is defined in the rear side member, the shock absorber member mid, and the shock absorber member upper, which are connected to each other.