Convertible Stroller Privacy Panel Assembly with Pull-Strap Automation
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Solution Overview
Problem
Existing convertible strollers with pop-up privacy panels are prone to toppling on slopes, require manual manipulation of multiple frame parts for panel operation, and lack efficient storage solutions, making them unsafe and inconvenient for use as a diaper changing table.
Innovation Solution
A stroller design featuring articulating seat and backrest components, integrated privacy panels that automatically pop up and fold using a pull strap system, and a stable frame configuration that ensures safety and ease of use as a diaper changing table, with privacy panels folding flat against the seat for storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If privacy panels are raised vertically to form high opaque barriers, then privacy protection is improved, but the panels become difficult to raise and latch, and require manual manipulation of multiple frame parts
Solution Approach 1:
The privacy panels are designed to be dynamically adjustable between vertical and collapsed positions. The frame members are configured to allow automatic transition between states, enabling the panels to raise to full height for privacy protection while automatically collapsing when not in use, eliminating the need for manual manipulation of multiple parts.
Solution Approach 2:
The stroller frame is designed with self-servicing mechanisms where the privacy panels automatically raise and latch when the stroller is assembled, and automatically collapse when folded. The frame members are configured to use the stroller's own structural movements to operate the panels, eliminating the need for separate manual control.
2Object-affected harmful factors
If privacy panels are positioned vertically at the sides of the stroller, then privacy barriers are formed, but the panels take up space where pockets and storage bags might be provided
Solution Approach 1:
The privacy panels are designed to be dynamically positioned - vertical when privacy is needed, and collapsed flat against the stroller frame when not in use. This dynamic configuration allows storage pockets and bags to be positioned in the side areas without permanent obstruction from the panels.
Solution Approach 2:
The frame members are configured to automatically position the privacy panels in the collapsed state during stroller assembly or folding, clearing the space beforehand for storage pockets and bags to be installed or accessed without interference from the panels.
3Strength
If the stroller has a box like vertical frame design, then structural support is provided, but the stroller becomes unsafe on slopes and may topple
Solution Approach 1:
The stroller frame transitions from a symmetric box-like vertical design to an asymmetric configuration with the seat positioned lower and the backrest angled. This asymmetric design lowers the center of gravity and creates a more stable base that resists toppling on slopes while maintaining structural support through the engineered frame member connections.
Solution Approach 2:
The frame geometry parameters are changed from vertical box-like dimensions to angled configurations. The backrest is positioned at an angle rather than vertically, and the seat is lowered relative to the frame, changing the overall center of gravity position and stability characteristics while maintaining structural integrity through the frame member design.
4Volume of moving object
If the operator must ensure panels are fully collapsed before folding the stroller, then storage compactness is improved, but the operation complexity increases
Solution Approach 1:
The privacy panels are designed to automatically collapse when the stroller is folded, using the frame's folding movement to drive the panels into the compact position. This self-servicing mechanism eliminates the need for the operator to manually check or adjust the panels before folding, simplifying the operation while ensuring storage compactness.
Solution Approach 2:
The frame members are configured to automatically position the privacy panels in the collapsed state during the folding process itself, performing the panel collapse action in advance of the final folded position being reached. This ensures panels are ready for storage without requiring separate manual intervention.
Data Source
AI summary
A stroller platform includes a seat connected to a back rest portion, the back rest adjustable to fold down over the seat and adjustable to unfold from the seat, the back rest also adjustable to present a horizontal relationship with the seat, a pair of privacy panels connected to opposing edges of the seat, the privacy panels positional to assume a vertical position when the stroller platform is unfolded, and a prone position against the seat when the stroller platform is folded, and a pair of pull straps each anchored to a privacy panel on each side of the stroller platform, the pull straps routed through the slots provided through the seat portion, and back up to connect to respective arm bar base tubes connected to a stroller frame, the base tubes provided to seat an arm bar presenting to the front and above the seat portion of the stroller platform.