Utility Vehicle Cargo Bed Side Wall Rib Design
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Solution Overview
Problem
Existing cargo bed designs for utility vehicles have a complicated structure with intermediate pillars that inhibit the full-length utilization of bed rails, affecting rigidity and ease of production.
Innovation Solution
A cargo bed design featuring a bottom plate with vertically extending front and rear pillars and a side panel with a rib, eliminating the need for intermediate pillars, allowing the bed rail to be positioned above the side panel with a space between, enhancing rigidity and enabling full-length utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If intermediate pillars are added to support the bed rail at intermediate portions, then the rigidity for supporting the bed rail is improved, but the structure becomes complicated and production becomes difficult
Solution Approach 1:
The side panel is segmented with multiple ribs extending in the anteroposterior direction, dividing the panel into sections that collectively provide support equivalent to intermediate pillars without requiring additional structural elements. This segmentation approach maintains rigidity while avoiding the complexity of adding separate intermediate pillars.
Solution Approach 2:
The support function previously requiring separate intermediate pillars is merged into the side panel structure itself through the addition of ribs. The ribs are integrated directly into the side panel, combining the panel's structural role with the bed rail support function, thereby eliminating the need for separate intermediate support elements.
2Strength
If intermediate pillars are added to support the bed rail, then the bed rail support rigidity is improved, but the space between the bed rail and side panel is reduced at intermediate portions
Solution Approach 1:
The ribs are positioned at specific locations within the side panel to provide localized support where needed, rather than using continuous intermediate pillars. This allows the space between the bed rail and side panel to be maintained in regions where full support is not required, while still providing adequate rigidity at critical support points through the strategically placed ribs.
3Device complexity
If the side panel is made integrally rigid to support the bed rail without intermediate pillars, then the structure is simplified and production is easier, but the rigidity may be insufficient
Solution Approach 1:
The ribs extending in the anteroposterior direction create a curved or arched structural pattern within the side panel that naturally resists bending forces. This curved reinforcement pattern provides enhanced rigidity compared to flat panel designs, allowing the side panel to support the bed rail effectively without requiring intermediate pillars while maintaining structural simplicity.
Data Source
AI summary
A cargo bed for a utility vehicle includes a bottom plate, and a pair of right and left side walls extending upward from right and left ends of the bottom plate. The side walls each include a front pillar extending vertically at a front end, a rear pillar extending vertically at a rear end, a side panel extending between the front pillar and the rear pillar in an anteroposterior direction and having a rib extending in the anteroposterior direction, and a bed rail positioned above the side panel with a space being provided therebetween, and extending between the front pillar and the rear pillar in the anteroposterior direction.