Music Stand Plate and Nested Member Design for Stable Sheet Holding
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Solution Overview
Problem
Existing music stands for musical instruments, such as keyboards, lack a stable and adjustable mechanism for holding sheet music, particularly when thick or electronic devices are used, leading to potential instability and damage.
Innovation Solution
A music stand design featuring a plate with through holes and a first member with projecting portions and a second member with recessed portions, allowing for secure attachment and adjustment to a musical instrument, using screw members and bosses to maintain stability and accommodate various sheet thicknesses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional music stand with a simple rectangular plate is used, then the device complexity is low, but the stability and reliability are insufficient when holding thick sheet music or electronic devices
Solution Approach 1:
The music stand is divided into multiple functional segments: a plate with through-holes, a first member with projecting portions, a second member with recessed portions, and screw members. This segmentation allows each component to perform a specific function (support, attachment, adjustment) while collectively providing stable and reliable holding capability for thick sheet music and electronic devices.
Solution Approach 2:
The first member and second member are nested together through the plate, with the projecting portion of the first member inserted into the recessed portion of the second member. This nested configuration creates a compact yet stable structure that enhances reliability without significantly increasing overall device complexity.
2Adaptability or versatility
If a fixed music stand structure is used, then the device complexity is low, but the adaptability to different sheet thicknesses and devices is poor
Solution Approach 1:
The music stand incorporates adjustable elements through the screw members that can be tightened or loosened to modify the positioning of the first and second members relative to the plate. This dynamic adjustment capability allows the stand to adapt to different sheet thicknesses and device weights, providing versatility while maintaining a relatively simple overall structure.
Solution Approach 2:
The distance between the first member and second member can be changed by adjusting the screw members, allowing the structure to accommodate various sheet thicknesses. This parameter adjustment (spacing between members) provides adaptability without requiring a completely different structure for each application.
3Strength
If a simple attachment mechanism is used, then the ease of manufacture is high, but the strength and reliability of attachment are insufficient
Solution Approach 1:
The plate is pre-formed with through-holes at specific positions, and the first and second members are pre-equipped with projecting and recessed portions respectively. This preliminary preparation of attachment features allows for strong and reliable assembly through the screw members while keeping the manufacturing process straightforward and avoiding complex post-assembly operations.
Data Source
AI summary
A music stand includes a plate having a through hole, a first member configured to be disposed on one side of a front surface or a back surface of the plate and having a projecting portion configured to pass through the through hole, and a second member configured to be disposed on another side of the front surface or the back surface of the plate and having a recessed portion corresponding to the projecting portion.