Side Shutter Cargo Screen Unit for Trunk Space Usability
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Solution Overview
Problem
The existing cargo screen systems face challenges in usability and aesthetic appearance due to the need to store cargo screen edges in narrow parcel tray spaces, requiring disassembly of luggage side trims and complicating the assembly of tools and jacks, which leads to defects and reduced merchantability.
Innovation Solution
A side shutter receiving type cargo screen unit with a vertically movable shutter structure that communicates and blocks the inner and outer spaces of the parcel tray, allowing the cargo screen to be adjusted in size and position without disassembling the luggage side trim, and includes a receiving cover and cargo screen holder to manage the cargo screen edges effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If the cargo screen width is made greater than the seat width to increase trunk space usability, then the cargo screen can cover more area, but both left and right portions must be stored in the parcel tray space which occupies additional space behind the wheel house
Solution Approach 1:
The cargo screen edge portions are nested within the parcel tray inner space when not in use. The roller bar ends are fitted into the parcel tray, effectively hiding them within the existing structure without requiring additional external space.
Solution Approach 2:
The solution moves the storage problem from a horizontal dimension (width) to a vertical dimension by using the depth of the parcel tray. Instead of expanding the parcel tray width, the design utilizes the vertical space behind the wheel house to accommodate the cargo screen edges.
2Ease of manufacture
If the upper tray is removed to accommodate the cargo screen, then the cargo screen can be installed, but the edge portions of the cargo screen are exposed resulting in poor appearance
Solution Approach 1:
The roller bar ends are nested within the parcel tray inner space, which is then covered by the luggage side trim. This nesting approach hides the cargo screen edges within the existing trim structure, maintaining aesthetic appearance without requiring removal of the upper tray.
3Shape
If the receiving inlet size is reduced to cover the upper space with the upper tray, then the appearance quality is improved, but a separate holder is required for fixing jacks and tools making assembly difficult
Solution Approach 1:
The parcel tray inner space serves multiple functions: it stores the cargo screen edge portions (roller bar ends) and simultaneously provides space for holding jacks and tools. This multi-functional design eliminates the need for separate holders while maintaining appearance quality.
Solution Approach 2:
The design merges the cargo screen storage function with the tool storage function into a single parcel tray inner space. By combining these functions, the receiving inlet doesn't need to be reduced, and no separate holders are required, simplifying the assembly process.
4Shape
If the receiving inlet size is reduced, then the upper space can be covered, but the width reduction makes it difficult to assemble heavy tools and jacks without causing surface scratches
Solution Approach 1:
The roller bar ends are nested within the parcel tray inner space, which is then covered by the luggage side trim. This approach maintains the original receiving inlet size, allowing heavy tools and jacks to be assembled without risk of surface scratches, while still achieving aesthetic appearance.
Data Source
AI summary
A cargo screen unit includes: a cargo screen having a cover sheet rolled out from a rolled-in and wound state so as to cover a cargo; and a parcel tray having an inner space for receiving an edge portion of the cargo screen, and having a receiving shutter, which communicates the inner space and an outer space by a downward movement and blocks the inner space and the outer space by an upward movement.