Stroller Stand Platform Assembly with Rotating Sidewalls
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Solution Overview
Problem
Current tandem strollers with rear stand platforms cannot stand alone when folded, causing inconvenience and potential damage from hitting curbs or steps due to their fixed design.
Innovation Solution
A stand platform assembly is integrated into the child stroller, featuring a platform connected to the rear cross bar with detachable sidewalls that engage with the brake assembly, allowing the stroller to stand alone when folded and rotating upward to prevent damage upon impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a fixed rear stand platform is installed in the stroller, then the stroller structure is simplified and manufacturing is easier, but the folded stroller cannot stand alone and the stand platform is vulnerable to damage from curbs or steps
Solution Approach 1:
The stand platform assembly is designed with movable components including a rotatable platform and telescopic support legs that can extend and retract. This dynamic structure allows the stand platform to rotate upward about the rear cross bar to avoid damage from curbs or steps, while still providing stable support when the stroller is folded.
2Device complexity
If a fixed rear stand platform is installed in the stroller, then the structure is simpler, but the folded stroller cannot stand alone without auxiliary devices
Solution Approach 1:
The stand platform assembly is divided into separate functional components: a platform, support legs with telescopic mechanisms, and connection structures to the frame. This segmentation allows each component to perform its specific function - the telescopic legs extend to provide ground contact for standing stability, while the platform remains lightweight and manageable.
Solution Approach 2:
The stand platform assembly is designed to automatically support the folded stroller without requiring external auxiliary devices. The telescopic support legs extend downward to contact the ground, and the structure self-stabilizes when folded, eliminating the need for additional standing aids.
3Stability of the object's composition
If the stand platform is fixed, then the structure is more stable during normal use, but it easily hits curbs or steps causing harm to the platform
Solution Approach 1:
The stand platform assembly incorporates rotational movement capability about the rear cross bar, allowing the platform to dynamically adjust its position. When encountering curbs or steps, the platform can rotate upward to avoid impact, transforming from a static vulnerable structure to a dynamic protective system.
Data Source
AI summary
A child stroller and a stand platform assembly thereof are disclosed. The child stroller includes a frame, a brake assembly connected to the frame, two rear wheels connected to the brake assembly, and the stand platform assembly. The stand platform assembly includes a platform connected to a rear cross bar of the frame, and two sidewalls connected to two opposite sides of the platform. When the child stroller is folded, the folded child stroller is capable of being supported by the sidewalls and the rear wheels, which solves the inconvenience in placing a folded conventional stroller.