Pedal Angle Adjustment Structure with Clamping Lock
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Solution Overview
Problem
Conventional percussion instrument pedals are prone to angle changes due to external forces when unfolded or folded, causing inconvenience during use and storage, and occupy significant space, making them difficult to transport and store safely.
Innovation Solution
A structure comprising a pedal seat with an upright post and a rotating block, along with a locking element, where the rotating block and upright post have contact surfaces and clamping structures that engage when the locking element is activated, fixing the angle between them in both folded and unfolded states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the pedal is made collapsible parallel to the musical instrument stand, then the storage space is reduced, but the angle stability during use deteriorates
Solution Approach 1:
The pedal structure transitions from a fixed rigid connection to a dynamic collapsible connection. The rotating block can pivot between upright and bending positions, allowing the pedal to adapt its configuration based on whether it is in use or storage mode, thus reducing storage volume while maintaining functional stability.
Solution Approach 2:
The locking element acts as an intermediary mechanism between the rotating block and the upright post. It engages with the clamping structure to lock the pedal at desired angles during use, providing angle stability while allowing the collapsible function when the locking element is disengaged.
2Ease of operation
If the pedal is made collapsible to reduce storage space, then the transportation convenience is improved, but the reliability of angle fixation deteriorates
Solution Approach 1:
The locking element serves as a reliable intermediary that ensures secure angle fixation. When engaged, it positively locks the rotating block to the upright post through the clamping structure, preventing any unintended angle changes during transportation or use, thus maintaining high reliability.
Solution Approach 2:
The clamping structure with matched clamping structures on both the rotating block and upright post creates a self-locking mechanism. When the locking element is engaged, the clamping structures automatically secure the connection, ensuring reliable angle fixation without requiring additional active components.
3Volume of moving object
If the pedal is made collapsible parallel to the stand, then the space occupation is reduced, but the ease of operation for angle adjustment deteriorates
Solution Approach 1:
The pedal employs a dynamic rotating block that can pivot freely when the locking element is disengaged, allowing easy angle adjustment between upright and bending positions. The dynamic nature of the connection simplifies the adjustment operation while enabling compact storage when collapsed.
Solution Approach 2:
The locking element provides a simple and intuitive mechanism for angle adjustment. By engaging or disengaging this single component, the user can easily transition between locked and unlocked states, facilitating simple angle adjustment operations without complex mechanisms.
Data Source
AI summary
A structure for adjusting an angle of a pedal to be folded or unfolded includes a pedal seat, a rotating block and a locking element, wherein the pedal seat includes an upright post with a through lug, and the through lug is provided with a through hole, the rotating block includes a pivot hole to provide the through lug passing through and corresponding to the through hole, the rotating block and the upright post are provided with at least one contact surface, the rotating block and the upright post are respectively provided with at least one matched clamping structure to be correspondingly clamped at the at least one contact surface, the rotating block and the upright post are clamped by the locking element, so that matched clamping structures of the rotating block and matched clamping structures of the upright post are together engaged in a pairwise manner.