Detachable Child Carrier Seat With Latch Adjustment
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Solution Overview
Problem
Conventional child carrier strollers with rear seats are inconvenient to operate for removing the rear seat and lack recline adjustment functionality.
Innovation Solution
A child carrier apparatus with a detachable and adjustable rear seat, featuring a tubular support structure and a coupling element that can be locked with a latch to the base frame, allowing for easy removal and angular adjustment of the seat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the rear seat is permanently affixed with the stroller frame, then the seat is secure and stable, but the seat cannot be removed or adjusted
Solution Approach 1:
The attachment mechanism transitions from a static permanent fixation to a dynamic detachable connection. The resilient element with protrusion and the corresponding hole in the seat support tube enable the seat to be both securely attached during use and easily removed when needed, providing adaptability without excessive complexity.
Solution Approach 2:
The attachment system is divided into separate components: the resilient element with protrusion on the frame, the hole in the seat support tube, and the latch mechanism. This segmentation allows for easy assembly and disassembly while maintaining security during use.
2Reliability
If a simple attachment mechanism is used for seat removal, then the operation is easy, but the seat cannot be locked securely
Solution Approach 1:
The resilient element automatically engages with the hole in the seat support tube to lock the seat in place without requiring additional fastening operations. The latch mechanism also self-locks to secure the seat, providing reliable attachment through automatic engagement rather than complex manual fastening.
Solution Approach 2:
The protrusion of the resilient element and the corresponding hole create a curved engagement path that guides the seat into proper alignment during attachment, ensuring reliable locking while maintaining ease of operation.
3Adaptability or versatility
If the seat structure is simplified for easy manufacturing, then production cost is reduced, but recline adjustment functionality is lost
Solution Approach 1:
The seat backrest is designed with dynamic adjustability through the latch mechanism that can engage at different positions along the seat support tube. This allows the seat to be adjusted between reclined and upright positions while using a relatively simple tubular support structure that is easy to manufacture.
Solution Approach 2:
The tubular support structure serves multiple functions: it provides structural support for the seat, enables recline adjustment through the latch mechanism, and facilitates easy attachment and removal from the frame. This multi-functionality reduces the need for additional separate components.
Data Source
AI summary
A child carrier apparatus can comprise a base frame having a tube segment that is affixed with an attachment fixture, and a detachable seat including a tubular support, and a coupling element mounted at a side segment of the tubular support. The inclination of the tubular support is adjustable relative to the coupling element, and the coupling element is configured to detachably locked with the attachment fixture via a latch to hold the seat with the base frame.