Stroller rocking device
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Solution Overview
Problem
Existing stroller rocking devices are cumbersome, loud, and incompatible with various stroller configurations, making them ineffective for providing a consistent and comfortable automatic rocking motion for baby strollers.
Innovation Solution
A stroller rocking device with a hollow housing and strap mount system that can be securely attached to the stroller handle, featuring a motor-driven weighted piston and cam mechanism for oscillatory motion, allowing horizontal or vertical orientation and controlled by a control unit with wireless connectivity for customizable settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing automatic rocking devices are used, then rocking motion is generated, but the devices are unwieldy and incompatible with various stroller configurations
Solution Approach 1:
The rocking device is divided into separate functional modules: a motor unit housed in a first housing, a weight unit in a second housing, and a connection mechanism with an adjustable arm. This segmentation allows each component to be optimized independently and facilitates attachment to various stroller types without requiring a monolithic complex structure.
Solution Approach 2:
The device incorporates universal attachment features including a removable strap with adjustable length and an adjustable arm mechanism that can position the weight unit at multiple locations. These features enable the same device to accommodate different stroller handle shapes, sizes, and configurations, achieving multi-functionality across various stroller types.
2Object-affected harmful factors
If existing automatic rocking devices are used, then rocking motion is generated, but they are relatively loud
Solution Approach 1:
The device uses a balanced oscillating mechanism where a weight unit counterbalances the motor unit, creating smooth periodic motion through mechanical vibration principles. This approach generates the required rocking motion through controlled oscillation at frequencies optimized for calming babies, while the balanced design minimizes vibrations and noise compared to unbalanced automatic mechanisms.
Solution Approach 2:
A weight unit is provided that can be positioned to counterbalance the motor unit and housing assembly. This counterweight mechanism smooths out the oscillatory motion, reducing jerky movements and associated noise, while maintaining the automatic rocking function. The counterbalance principle allows for quiet operation by eliminating imbalanced forces that would create excessive noise.
3Ease of operation
If manual rocking is performed, then calming effect is achieved, but it is tiring and uncomfortable for the person
Solution Approach 1:
The device enables the stroller to rock itself automatically through a motor-driven oscillating mechanism. The motor unit drives the adjustable arm to move the weight unit back and forth, creating the rocking motion without requiring human physical effort. This self-service capability eliminates the tiring manual pushing and rocking while maintaining the calming effect for the baby.
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 device provides a comfortable and customizable automatic rocking motion for baby strollers, reducing user fatigue while being adaptable to different stroller configurations and allowing for adjustable settings through wireless control.
Implementation Method 1
a cam, such as a pear-shaped cam or the like, may be mounted on a drive shaft of the motor. A first end of a connecting rod may be pivotally attached to the cam, a second end of the connecting rod being pivotally attached to the weighted piston. Driven rotation of the cam is then translated into linear oscillatory motion of the weighted piston.
Implementation Method 2
The weighted piston is selectively driven to linearly oscillate within the longitudinally extending chamber by the motor... allowing the hollow housing to either be oriented horizontally or vertically with respect to the handle, thus providing the option of horizontal or vertical rocking motion imparted to the stroller.
Data Source
AI summary
A stroller rocking device includes a hollow housing and a strap mount pivotally attached to an outer surface thereof. A strap is provided, having a fixed end and a free end. The fixed end of the strap is secured to the strap mount, and the strap is adapted for releasably securing the hollow housing to a handle of a baby stroller. A motor is housed within a central chamber of the hollow housing, and a weighted piston is slidably disposed within a longitudinally extending chamber of the hollow housing. The weighted piston is selectively driven to linearly oscillate within the longitudinally extending chamber by the motor. The linear oscillation of the weighted piston within the longitudinally extending chamber of the hollow housing imparts an oscillating rocking motion to the baby stroller, the rocking motion being selectable between horizontal motion and vertical motion relative to the handle of the stroller.