Truck Cargo Bed Extruded Member Integration
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Solution Overview
Problem
Existing truck bed designs lack a robust and secure method to integrate extruded members with cross-members and pillars, which can lead to instability and reduced structural integrity, particularly at the tailgate area.
Innovation Solution
The integration of extruded members within cradles formed by cross-members and pillars, where these members extend laterally and are secured both within the cradle and to the pillars, providing additional support and stability to the truck bed structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional connection methods are used for extruded members with cross-members and pillars, then the device complexity is reduced, but the structural integrity and stability deteriorate
Solution Approach 1:
The extruded member is nested within the cradle formed by the cross-member, creating a nested structural arrangement where the extruded member fits inside the cradle space. This nesting provides robust integration and structural integrity while maintaining manufacturing simplicity through a single-piece extruded design.
Solution Approach 2:
The connection between the extruded member, cross-member, and pillar is merged into a unified integrated structure. The extruded member serves multiple functions simultaneously - it connects to the cross-member within the cradle and extends to connect with the pillar, combining multiple connection functions into a single structural element.
2Stability of the object's composition
If extruded members are integrated within cradles and secured to pillars, then the stability is improved, but the manufacturing complexity increases
Solution Approach 1:
The extruded member is designed with specific geometric parameters including lateral extensions and positioning features that enable it to fit within the cradle and connect to the pillar. By optimizing the extrusion parameters and cross-sectional geometry, the member achieves stable integration while maintaining ease of manufacture through standard extrusion processes.
Solution Approach 2:
The connection structure is segmented into distinct functional zones: the cradle integration zone where the extruded member connects to the cross-member, and the pillar connection zone where it extends laterally to secure to the pillar. This segmentation allows each zone to be optimized independently for its specific function while maintaining overall manufacturability.
3Force
If additional support structures are added to the truck bed, then the load-bearing capability is improved, but the device complexity increases
Solution Approach 1:
The extruded member serves multiple functions simultaneously: it provides structural connection between the cross-member and pillar, acts as a support element for the tailgate assembly, and contributes to the overall load-bearing capability of the truck bed. This multi-functionality increases load-bearing capability without proportionally increasing structural complexity.
Solution Approach 2:
The truck bed structure utilizes composite construction combining the extruded member material with the cross-member and pillar materials. The extruded member is positioned within the cradle and secured to both the cross-member and pillar, creating a composite structural system that enhances load-bearing capability through the synergistic combination of different structural elements.
Data Source
AI summary
A vehicle includes a truck bed. The truck bed includes a side member, cross-member, and an extruded member. The side member has an upward extending pillar that defines a central cavity. The cross-member forms a cradle and extends laterally toward the pillar. The extruded member is secured to the cross-member within the cradle, extends laterally outward from the cross-member into the central cavity, and is secured to the pillar within the central cavity.