Handle-Integrated Load Switch Assembly for Stable Fitness Bike Riding
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Solution Overview
Problem
Existing fitness bike switch assemblies for regulating rotary load require users to manipulate knobs located far from the handle, leading to unstable riding postures and increased risk of falling.
Innovation Solution
A switch assembly for regulating rotary load is integrated onto the handle part, allowing one-touch manipulation with the user's finger, featuring a switch lever with elongated first and second manipulation parts and a rotating core part for easy adjustment of rotary load levels, and reinforced welding points for enhanced rigidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the switch for regulating rotary load is disposed far from the handle part, then the switch can be manipulated independently, but the user's riding posture becomes unstable and the user is likely to fall off
Solution Approach 1:
The switch assembly is merged with the handle part by being disposed on the handle part, allowing the user to manipulate the switch while gripping the handle without moving the hand away, thus maintaining riding stability while enabling switch operation
2Ease of operation
If the switch for regulating rotary load is disposed on the handle part, then the user can manipulate the switch while gripping the handle, but the handle part structure becomes more complex
Solution Approach 1:
The switch assembly is nested on the handle part, utilizing the existing handle structure as a mounting base, thereby adding functionality without significantly increasing overall structural complexity
3Strength
If multiple welding points are formed where the upper handle and lower handle are coupled to the switch, then the rigidity of the handle part is enhanced, but the manufacturing process becomes more complex
Solution Approach 1:
Multiple welding points are formed in advance during the assembly process to ensure rigidity before the switch is subjected to operational loads, preventing structural failure rather than reacting to it
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
Enables easy adjustment of rotary load levels during exercise without losing grip on the handle, improves user safety by maintaining a stable riding position, and enhances the bike's design aesthetics.
Implementation Method 1
an elastic member disposed at a lower end of the rotating core part and applying an elastic restoring force to the rotating core part
Implementation Method 2
a tact switch part disposed at both ends of the fixation cover part and switching based on a rotation of the rotating core part
Implementation Method 3
magnetic resistance is applied to a rotation of a flywheel, to enable the user to pedal with intensity
Data Source
AI summary
A rotary load level of a flywheel of a fitness bike is adjustable to increase or decrease based on a one-touch manipulation of a switch for regulating a rotary load to the flywheel in opposing directions. This makes it possible to reliably adjust the rotary load level without causing a change in a user's posture during a ride of the fitness bike and to gradually control the rotary load level of the flywheel of the fitness bike.