Child Safety Seat Angle Adjustment Layout for Compact Integration
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Solution Overview
Problem
Existing electrically driven child safety seat angle adjustment mechanisms occupy excessive space due to their long and bulky structure, making them difficult to integrate into child safety seats.
Innovation Solution
An electric angle adjustment device with a motor, rotating member, sliding member, and intermediate transmission assembly, where the motor's output shaft intersects with the rotating member, allowing for angular adjustment of the seat body relative to the base, reducing overall device length and space occupancy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the screw rod is assembled on the output shaft of the motor in a straight line, then the angle adjustment function is achieved, but the overall length of the electrically driven structure becomes long and occupies large space
Solution Approach 1:
The patent changes the arrangement dimension of the screw rod from a straight line along the output shaft axis to an extended arrangement along the sliding direction of the seat body. This dimensional change allows the mechanism to achieve the same angular adjustment function while significantly reducing the overall length and space occupancy of the electrically driven structure.
Solution Approach 2:
The patent introduces an intermediate transmission assembly that segments the direct connection between the motor output shaft and the screw rod. This assembly includes a first synchronizing member on the output shaft and a second synchronizing member on the screw rod, with transmission gears in between. This segmentation allows the screw rod to be arranged in a different dimension while maintaining the driving function, thus reducing space occupancy.
2Volume of moving object
If the electrically driven structure is made compact, then space occupancy is reduced, but the complexity of arranging the components increases
Solution Approach 1:
The intermediate transmission assembly serves multiple functions simultaneously: it transmits power from the motor to the screw rod, enables the screw rod to be arranged in a space-efficient configuration, and provides synchronization between the motor rotation and screw rod movement. This multi-functionality reduces the need for additional separate components, thereby managing complexity while achieving compactness.
Solution Approach 2:
The intermediate transmission assembly acts as an intermediary between the motor output shaft and the screw rod. It includes a first synchronizing member fixed to the output shaft, transmission gears, and a second synchronizing member fixed to the screw rod. This intermediary structure enables compact arrangement by mediating the power transmission in a multi-dimensional configuration rather than a direct linear connection.
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
The solution enables compact and efficient electric angle adjustment, allowing for smoother and more space-efficient integration of the adjustment mechanism into child safety seats while maintaining convenient electric operation.
Implementation Method 1
an electric angle adjustment device... comprises a motor, a rotating member, a sliding member, and an intermediate transmission assembly. The rotating member extends along a sliding direction of the seat body, the motor is disposed on one of the seat body and the base, and an output shaft of the motor extends along a left-right direction or an up-down direction of the base
Implementation Method 2
the intermediate transmission assembly comprises a first synchronizing member and a second synchronizing member which are engaged with each other for transmission, the first synchronizing member is fixedly sleeved on the output shaft of the motor, and the second synchronizing member is fixedly sleeved on the rotating member
Data Source
AI summary
The invention discloses an electric angle adjustment device comprising a motor, a rotating member, a sliding member, and an intermediate transmission assembly. The motor is disposed on one of the seat body and the base, and an output shaft of the motor extends along a left-right direction or up-down direction of the base, such that the output shaft of the motor is arranged intersecting with the rotating member. The sliding member is assembled on the other one of the seat body and the base, the sliding member is also slidably arranged on the rotating member; the intermediate transmission assembly is assembled on both the output shaft of the motor and the rotating member; wherein the motor drives the rotating member to rotate through the intermediate transmission assembly, and the rotating member in rotating brings the sliding member to slide on the rotating member.