Rotatable Stroller Handlebar Locking for Push-Pull Switching
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Solution Overview
Problem
Existing baby strollers have handlebars that are either completely fixed or movable, leading to inconvenience when pushing or pulling, poor obstacle-crossing performance, and inability to accommodate users of different heights.
Innovation Solution
A baby stroller with a rotatable handlebar and a locking mechanism that allows the handlebar to be locked in different positions, enabling it to be easily switched between pushing and pulling modes, and accommodating various user heights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the handlebar is made completely movable to allow angle adjustment, then the adaptability to different user heights and pulling conditions is improved, but the stability and ease of lifting when crossing obstacles deteriorates
Solution Approach 1:
The handlebar is designed with a locking mechanism that allows it to be dynamically adjusted between fixed and movable states. The locking part can engage with locking slots at different angles, providing stable fixed positions during normal use while allowing angle changes when needed for obstacle crossing or different user heights.
2Stability of the object's composition
If the handlebar is made completely fixed to improve stability, then the ease of lifting and obstacle-crossing capability is improved, but the adaptability to different user heights and pulling conditions deteriorates
Solution Approach 1:
The locking mechanism enables the handlebar to transition between fixed and movable states as needed. When stability is required, the locking part engages with the locking slots to fix the handlebar at specific angles. When adaptability is needed, the locking part can be disengaged to allow angle adjustment.
3Device complexity
If the handlebar is made completely fixed to simplify the structure, then the manufacturing complexity is reduced, but the ease of operation for pushing and pulling deteriorates
Solution Approach 1:
The handlebar assembly is segmented into the handlebar, locking mechanism, and frame components. The locking mechanism includes a locking part with locking slots and a locking component that can engage with these slots. This segmentation allows the handlebar to be fixed at specific angles while maintaining operational flexibility.
4Ease of operation
If the handlebar is made completely movable to improve ease of operation, then the ease of lifting and obstacle-crossing capability is improved, but the device complexity increases
Solution Approach 1:
The handlebar assembly is divided into distinct components: the handlebar itself, the locking mechanism with locking slots, and the locking component. This segmentation allows the handlebar to be movable for ease of operation while the locking mechanism provides the necessary structural complexity only when needed for angle adjustment.
Data Source
AI summary
A baby stroller capable of being pushed and pulled comprises: a frame provided with a first locking slot and a second locking slot; a handlebar rotatably disposed on the frame and provided with a third locking slot; and a locking mechanism comprising an unlocking part, a driving part and a locking part, wherein the locking part has an end disposed in the third locking slot and an end locked in the first locking slot or the second locking slot; the unlocking part is able to drive, through the driving part, the locking part to designate from the first locking slot or the second locking slot to unlock the handlebar. The handlebar of the baby stroller is rotatably connected to the frame, such that the handlebar can be located close to front wheels or rear wheels to allow the baby stroller to be pushed or pulled for use.