Gymnastic Support Frame Automatic Opening Mechanism
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Solution Overview
Problem
Cycling simulation devices are uncomfortable and time-consuming to open and close, requiring manual operation and pin-based securing, which is burdensome and risky for users.
Innovation Solution
A support frame with a connecting rod and opening spring mechanism allows automatic and safe opening and closing of the arms, where rotating one arm causes the other to open or close, facilitated by a button and lever system with a contrast spring for locking positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual pin-based securing is used to open and close arms, then the device can be secured in open position, but the operation becomes time-consuming and burdensome
Solution Approach 1:
The articulation member with connecting rod automatically transfers the opening motion from one arm to the other arm, enabling the system to self-regulate the opening/closing sequence without manual intervention for each arm. The spring element provides automatic return force to the closed position
Solution Approach 2:
The spring element is pre-loaded in the closed position to accumulate potential energy, which is then released to automatically return the arms to the closed position after opening, eliminating the need for manual resetting
2Reliability
If individual arm opening is required, then security can be maintained with pins, but the number of manual operations increases
Solution Approach 1:
The articulation member combines the opening/closing operations of two separate arms into a single coordinated motion. When one arm is opened, the connecting rod automatically drives the other arm to open as well, merging two manual operations into one
Solution Approach 2:
The articulation member acts as an intermediary mechanism between the two arms, transferring and coordinating their motions. This mediator ensures synchronized operation and eliminates the need for separate manual control of each arm
3Stability of the object's composition
If pins are used to secure arms in open position, then imbalances can be prevented, but the device complexity increases
Solution Approach 1:
The spring element provides automatic stabilization by exerting a restoring force that maintains balanced tension on both arms. The system self-regulates the balance without requiring external pin-based securing mechanisms
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 quick and secure automatic opening and closing of the support frame, reducing user effort and risk, allowing for easier transportation and setup of cycling simulation devices.
Implementation Method 1
said opening spring accumulating potential energy when said support frame is in the closed position, and releasing said potential energy by facilitating the rotational translation of said connecting rod
Data Source
AI summary
The present invention concerns a support frame for a gymnastic apparatus, particularly for a cycling simulation device, comprising a base, and a first arm hinged with said base and a second arm hinged with said base, so that said first and second arm can assume a closed position and an open position, rotating with respect to said base, characterized in that said support frame comprises an articulation member articulated with said base and said first and second arm such that the rotation of one of said first or second arm relatively to said base causes a rotational translation of said articulation member and the rotation of the other arm with respect to said base, causing the passage from said closed position to said open position or vice versa.