Height-adjustable desk structure
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Solution Overview
Problem
Existing height-adjustable desk designs are inconvenient and hazardous due to the placement of adjustment handles underneath the desktop, making it difficult for users to locate them during height adjustments.
Innovation Solution
The design features adjustment members that penetrate the top surface of the desktop, allowing users to clearly see their locations, along with a linkage system and springs that facilitate intuitive height adjustments while ensuring safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the adjustment handles are placed underneath the desktop, then the desktop structure remains compact, but the user cannot see the handles clearly and operation becomes inconvenient and hazardous
Solution Approach 1:
The adjustment members are extended from the traditional horizontal placement underneath the desktop to a vertical configuration that penetrates through the desktop thickness. This dimensional change allows users to access and see the adjustment mechanism from the top surface while the linkage mechanism remains at the bottom, resolving the visibility issue without compromising structural compactness
Solution Approach 2:
The adjustment members serve as intermediaries that connect the user's operation at the top surface to the linkage mechanism at the bottom surface. By extending through the desktop, they mediate between the user interface and the mechanical advantage system, allowing clear visibility and easy operation while maintaining the compact underlying structure
2Ease of operation
If the adjustment members penetrate the top surface of the desktop, then users can clearly see and access them, but the desktop structure becomes more complex
Solution Approach 1:
The adjustment members perform multiple functions: they serve as the user interface for operation, provide structural connection between top and bottom surfaces, and enable the linkage mechanism to function. This multi-functionality justifies the increased structural complexity by consolidating several roles into single components
Solution Approach 2:
The adjustment members are segmented into distinct functional portions: the adjusting portion that penetrates the top surface for user interaction, and the driving portion that connects to the linkage mechanism at the bottom. This segmentation allows each portion to be optimized for its specific function while working together as an integrated system
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 and intuitive use of the desk while enhancing user safety by allowing clear visibility of adjustment mechanisms, reducing the risk of accidents.
Implementation Method 1
two springs, each arranged on one side of a respective sliding set of the two sliding sets and assembled to the desktop
Data Source
AI summary
A height-adjustable desk structure includes a desktop, two adjustment members, two linkage sets, two positioning members, two sliding sets, two springs and two supporting stands, and the adjustment members penetrate the top surface of the desktop and can be viewed by the user directly. When the two adjustment members are actuated, the moving members move from a locked position to a released position in order to allow the two supporting stands to swing freely. When the two adjustment members are released, the moving members move from the released position to the locked position and then, is positioned inside the positioning recesses. Accordingly, the user is able to clearly see the locations of the adjustment members of the desk, thereby enabling easy and intuitive use and ensuring safety.