Lower Control Arm Assembly With Through-Arm Spring Integration
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Solution Overview
Problem
Existing vehicle control arm assemblies lack an efficient integration of shock absorbers and springs, which can lead to suboptimal suspension performance and maintenance challenges.
Innovation Solution
A control arm assembly that includes a control arm, a spring seat, a shock absorber mount, and a spring, where the shock absorber and spring are inserted through an opening in the control arm, and the spring seat is secured to the control arm, allowing for efficient assembly and use of longer springs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the shock absorber and spring are inserted through an opening in the control arm, then the assembly and maintenance become easier, but the structural complexity increases
Solution Approach 1:
The control arm assembly is segmented into distinct components (control arm, spring seat, shock absorber mount, shock absorber, spring) that can be assembled separately and connected through the opening, facilitating easier assembly and maintenance while maintaining structural integrity
Solution Approach 2:
The shock absorber and spring are nested within the control arm structure, with the shock absorber inserted through the opening and the spring positioned around it, creating a compact integrated assembly that is both space-efficient and maintainable
2Reliability
If longer springs are used, then the suspension performance is enhanced, but the space requirement increases
Solution Approach 1:
The spring is oriented vertically through the opening in the control arm, utilizing the vertical dimension rather than horizontal space, allowing longer springs to be accommodated within the existing spatial envelope of the suspension assembly
Solution Approach 2:
The spring is nested around the shock absorber, with both components sharing the same vertical space within the control arm opening, maximizing space utilization and allowing longer springs without increasing overall assembly volume
Data Source
AI summary
A control arm assembly for a vehicle includes a control arm, a spring seat, a shock absorber mount, and a spring. The control arm has an upper surface, a lower surface, and an opening extending through the upper surface and the lower surface. The spring seat has an upper surface connected to the lower surface of the control arm. The shock absorber mount is connected to the upper surface of the spring seat. The shock absorber has a first end connected to the shock absorber mount. The spring at least partially surrounds the shock absorber and has a first end contacting the upper surface of the spring seat.