Stroller Handle Adjusting Mechanism for Horizontal Accessory Position
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Solution Overview
Problem
Existing baby strollers with adjustable handles cannot maintain an article holding accessory in a substantially horizontal position when the handle is switched between front and rear inclined positions.
Innovation Solution
An adjusting mechanism comprising a sleeve component, an axle ring component, and a positioning plate that allows the article holding accessory to be secured to the handle in a modular manner, ensuring it remains horizontal regardless of the handle's position, using engaging parts and a resilient design to stabilize the accessory's position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the handle is switched between front and rear inclined positions, then the position adjustment capability is improved, but the article holding accessory cannot maintain a substantially horizontal position
Solution Approach 1:
The axle ring component is designed to rotate relative to the sleeve component, allowing dynamic adjustment of the article holding accessory's orientation. The resilient arm with positioning parts can engage different engaging parts on the axle ring to maintain horizontal position at various handle inclinations, transforming the static connection into a dynamic adjustable system.
Solution Approach 2:
The positioning mechanism changes the angular parameter of the article holding accessory relative to the handle. By engaging different positioning parts with corresponding engaging parts on the axle ring, the system adjusts the orientation parameter to maintain horizontality despite changes in handle inclination angle.
2Reliability
If the article holding accessory is securely fixed to the handle, then the connection stability is improved, but the position adjustment capability is reduced
Solution Approach 1:
The connection system is segmented into multiple independent components: sleeve component, axle ring component, positioning plate with resilient arm, and engaging parts. This segmentation allows the accessory to be securely connected through the locking mechanism while simultaneously enabling position adjustment by rotating the axle ring and engaging different positioning parts.
Solution Approach 2:
The connection system transitions from a static fixed state to a dynamic adjustable state. The resilient arm can deflect to allow rotation of the axle ring for position adjustment, then locks into place to provide secure connection. This dynamic behavior enables both adjustment capability and connection stability.
3Ease of operation
If a modular connection system is used for the article holding accessory, then the ease of installation and removal is improved, but the structural complexity increases
Solution Approach 1:
The modular connection system divides the accessory into separable components that can be easily assembled and disassembled. The axle ring component can be connected to or removed from the article holding accessory, and the positioning mechanism can be engaged or disengaged independently, simplifying installation and removal operations.
Solution Approach 2:
The resilient arm with positioning parts automatically engages with the corresponding engaging parts on the axle ring when the accessory is installed, providing self-locking functionality. This self-service mechanism reduces the need for complex fastening operations while maintaining secure connection.
Data Source
AI summary
A stroller includes a handle switchable between a front inclined position and a rear inclined position, an article holding accessory, and at least one adjusting mechanism. The adjusting mechanism includes a sleeve component secured to the handle, an axle ring component connected to the article holding accessory and coupled rotatably to the sleeve component, and a positioning plate. The axle ring component has first and second engaging parts corresponding to the front and rear inclined positions, respectively. The positioning plate is coaxially secured in the sleeve component and has a positioning part engageable with a selected one of the first and second engaging parts with respect to an axis of rotation of the axle ring component, so as to provide a substantially horizontal position of use for the article holding accessory when the handle is at either one of the front and rear inclined positions.