Manual Rotation Locking Structure for Child Seat Power-Outage Override
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electric rotating seats for children's safety seats face issues with power outages causing operational failures and lack of flexibility in rotation modes, necessitating a backup manual operation method.
Innovation Solution
A manual rotation structure for electric rotating chairs incorporating an electric unlocking assembly and a manual unlocking assembly, allowing users to choose between electric and manual rotation modes, with a locking assembly featuring a lock pin and multiple locking holes for secure positioning and manual override.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If electric rotary driving assembly is used to rotate the seat back, then automation and convenience are improved, but reliability deteriorates due to power outage risks
Solution Approach 1:
The system dynamically switches between electric rotation mode and manual rotation mode based on operational needs or power availability. The rotary disk can be rotated electrically by the driving assembly or manually by the user, providing adaptive flexibility that resolves the contradiction between automation and reliability.
Solution Approach 2:
The locking assembly with lock pin and multiple locking holes is designed to prevent accidental or unauthorized rotation during normal operation. This pre-established locking mechanism ensures safety and stability when electric rotation is not in use, while allowing intentional manual rotation when needed, thus cushioning against operational failures.
2Stability of the object's composition
If locking assembly with lock pin is used to fix rotary disk position, then stability is improved, but ease of operation deteriorates due to rotation restrictions
Solution Approach 1:
The locking assembly transitions from a static locked state to a dynamic unlocked state when the user intentionally operates it. The lock pin can engage with locking holes to stabilize the rotary disk at specific positions, or disengage to allow manual rotation, providing conditional stability that does not permanently restrict operation flexibility.
Solution Approach 2:
The locking assembly is designed to be easily operated by the user without requiring additional tools or complex mechanisms. The user can intentionally unlock the lock pin to rotate the rotary disk manually and then re-lock it at the desired position, allowing self-service operation that balances stability and flexibility.
3Ease of operation
If electric unlocking assembly is added to drive lock pin, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The electric unlocking assembly is integrated with the existing locking assembly and rotary driving system. The same lock pin and locking holes structure serves both manual rotation locking and electric unlocking functions, allowing the additional electric component to control an already-present mechanical mechanism rather than creating a completely separate system.
Solution Approach 2:
The electric unlocking assembly acts as an intermediary between the control system and the mechanical locking assembly. It provides automated control capability while the core locking mechanism remains mechanical and simple, allowing the complexity to be concentrated in the control layer rather than the mechanical execution layer.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures operational flexibility and safety by providing a reliable manual operation mode during electric failures, enhancing user experience and reducing complexity, ensuring seamless switching between modes without misoperations.
Implementation Method 1
the driving motor is connected to the driving gear, and the driving gear is meshed with the outer ring gear
Implementation Method 2
The drive press block is connected to the transmission motor and rotatably installed inside the mounting base
Data Source
AI summary
The disclosure discloses a manual rotation structure, method, and child safety seat for electric rotating chairs, including a base, a rotary disk, an electric rotary driving assembly, and a locking assembly. Multiple locking holes are spaced around the circumference of the rotary disk, and the electric rotary driving assembly is suitable for driving the rotary disk to rotate electrically relative to the base. The locking assembly includes a mounting base and a lock pin, an electric unlocking assembly, and a manual unlocking assembly, all movably connected to the mounting base. The multiple locking holes are designed to engage with the lock pin one at a time to fix the relative position of the rotary disk and the base. Both the electric unlocking assembly and the manual unlocking assembly are movably connected to the lock pin.