Folding Treadmill Lift Structure for Slope Adjustment and Storage
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Solution Overview
Problem
Existing fitness equipment, such as treadmills, face challenges in erecting and folding the running deck while minimizing space occupation and using a simple structure.
Innovation Solution
A lifting and folding treadmill design incorporating a running deck, base, support, electric push rod, hook, and electric pushing device, which allows for adjustable slope adjustment and folding through synchronized swinging and rolling mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the running deck is made extendable to adjust slope, then the slope adjustment capability is improved, but the device complexity increases due to additional lifting mechanisms
Solution Approach 1:
The patent combines the slope adjustment function with the deck folding function by using the same support and electric push rod mechanisms. The support structure serves dual purposes: it lifts the front end of the running deck for slope adjustment and also enables the deck to be folded for compact storage, thereby reducing overall device complexity while maintaining adaptability
Solution Approach 2:
The electric push rod and support structure are designed as multi-functional components that perform both slope adjustment and folding operations. This universal design allows a single mechanism to achieve multiple functions, eliminating the need for separate lifting and folding systems
2Volume of moving object
If the running deck is made foldable for space saving, then the space occupation is reduced, but the stability during folding operation may be compromised
Solution Approach 1:
The patent introduces a hook as an intermediary component that temporarily secures the running deck to the base during the folding process. This hook acts as a mediator that maintains stability while allowing controlled folding motion, preventing unintended movements and ensuring safe operation during the transition between extended and folded states
Solution Approach 2:
The system performs preliminary actions by using the electric push rod to initially lift and position the running deck before the folding action begins. This preliminary positioning ensures the deck is in the correct configuration for folding, reducing the risk of instability or damage during the folding operation
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 convenient slope adjustment and space-saving folding of the running deck using electric control and elastic components, reducing friction and enhancing stability.
Implementation Method 1
the front part of the running deck can be driven by extension or retraction of the electric push rod to ascend or descend
Implementation Method 2
a bottom end of the support is pivoted to the base, so that a top end of the support is capable of swinging forwards and backwards
Implementation Method 3
the other end of the hook is capable of swinging forwards and backwards, so as to swing towards and be hooked on the lateral pin
Implementation Method 4
the hook is connected to an elastic component, and the elastic component elastically drives the hook to swing away from the lateral pin
Implementation Method 5
the shifter lever is formed with an eccentric portion, and after the shifter lever rotates, the eccentric portion is driven to push the hook to swing towards the lateral pin
Implementation Method 6
a bottom side of the rear part of the running deck is mounted with rollers for frontward and backward rolling
Data Source
AI summary
Provided in the present disclosure is a lifting and folding treadmill, where a base is located below a running deck; a support has a bottom end pivoted to the base, and a top end tilted backwards and pivoted to a front half part of the running deck; one end of an electric push rod is pivoted to the base, with a pivot point located behind a pivot point between the support and the base, and the other end of the electric push rod is pivoted to the running deck, with a pivot point located in front of a pivot point between the support and the running deck; and a hook is configured to hook or release a front part of the running deck to or from the base. The present disclosure achieves lifting of a front end of the running deck and folding of the running deck.