Expandable Stroller Basket Structure for Adjustable Storage Volume
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Solution Overview
Problem
Conventional strollers often lack sufficient storage space for baby supplies, leading to the need for makeshift solutions that increase the risk of tipping, and existing expandable solutions are not user-friendly or efficient.
Innovation Solution
A stroller with a frame and basket system featuring rotatable tube members and a basket covering that allows adjustable storage volume by rotating a second tube member relative to the frame, using plastic ribs for positioning and elastic deflection to facilitate multistage adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a fixed fabric basket is used in conventional strollers, then the structure is simple and stable, but the storage space is insufficient for baby supplies
Solution Approach 1:
The basket structure is transformed from a fixed configuration to a dynamic, adjustable one. The tube members can rotate relative to each other, allowing the basket to expand or collapse between multiple volume states. This enables the storage capacity to adapt to different needs while maintaining structural integrity through controlled mechanical movement.
Solution Approach 2:
The basket is divided into multiple tube members (first tube member, second tube member, third tube member) that can move independently relative to each other. Each tube member is connected through rotation joints, allowing segmented adjustment of the basket volume. This segmentation enables flexible reconfiguration of storage space without compromising overall structural stability.
2Quantity of substance
If additional storage solutions like piling coats on canopy or hanging bags from handle are used, then storage capacity increases, but the stroller becomes prone to tipping over
Solution Approach 1:
The expandable basket provides a dedicated, structured storage solution that expands within the stroller's existing footprint rather than adding external attachments. By rotating the tube members to expand the basket downward or sideways within design limits, storage capacity increases without raising the center of gravity or creating unstable overhangs that could cause tipping.
3Quantity of substance
If an expandable basket with rotatable tube members is implemented, then storage space becomes adjustable and sufficient, but the device complexity increases
Solution Approach 1:
The rotation joints between tube members enable smooth, continuous adjustment of the basket volume. Users can easily rotate the second tube member relative to the first, and the third tube member relative to the second, to achieve desired storage configurations. The mechanical design allows intuitive operation without complex controls or mechanisms.
4Volume of stationary object
If the second tube member is rotated from folded position to unfolded position, then the volume of storage space is increased, but the structural complexity increases
Solution Approach 1:
When the tube members are in their folded position, they nest compactly together, minimizing the basket's footprint. The second tube member rotates to unfold and extend outward, creating additional storage volume. This nesting capability allows the basket to transition between a compact travel configuration and an expanded storage configuration without requiring additional structural elements.
Data Source
AI summary
A stroller is provided and includes a frame and a basket. The frame includes a handle and a link member. The basket includes a tube mount, a first tube member, a second tube member and a basket covering. The tube mount includes a first mount member connected to the first tube member and movably connected to the link member. The second tube member is connected to the tube mount and rotatable relative to the frame. The basket covering is disposed on the first tube member and the second tube member. A storage space is enclosed by the basket covering, and a volume of the storage space is adjustable by rotation of the second tube member relative to the frame. The handle drives the first mount member via the link member, so as to drive the first tube member to rotate by the first mount member when the handle rotates.