Stepless adjustable telescopic device and method using the same
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Solution Overview
Problem
Small and medium-sized lifting desks often displace the desktop front and back or left and right during lifting, causing significant disturbance and failing to provide sufficient height adjustment.
Innovation Solution
A stepless adjustable telescopic device with a power support system that includes a first and second quadrangular structure connected via a rotary mechanism, allowing synchronized rotation and extension/contraction without shaking, ensuring the desktop is lifted or lowered in a straight line with minimal disturbance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single arm is used to lift or lower the desktop, then the structure is simple, but the desktop displaces front and back or left and right causing significant disturbance
Solution Approach 1:
The single arm structure is segmented into two separate arms (first arm and second arm) that operate independently but synchronously. Each arm has its own driving mechanism, allowing them to move in coordination to lift and lower the desktop without causing lateral displacement or disturbance.
Solution Approach 2:
The patent employs a counterweight mechanism where the two arms are designed to balance each other's motion. When one arm moves, the other arm compensates in a way that counteracts lateral forces, preventing the desktop from displacing front and back or left and right during the lifting process.
2Volume of moving object
If a single arm is used for lifting, then the device occupies less space, but it cannot provide sufficient height adjustment range
Solution Approach 1:
The patent implements a telescopic structure where one arm can extend and retract relative to the other arm, similar to nested dolls. This allows the lifting mechanism to achieve a larger telescopic range while maintaining a compact form factor when retracted, thus occupying less space when not in use.
Solution Approach 2:
The arms are designed with dynamic telescopic capabilities, allowing them to change length during operation. The first and second arms can extend to provide sufficient height adjustment range, then retract to minimize occupied space, adapting their dimensions based on operational requirements.
3Object-affected harmful factors
If the first and second quadrangular structures rotate synchronously, then the desktop is lifted in a straight line with minimal disturbance, but the device complexity increases
Solution Approach 1:
The patent combines the driving mechanisms of the first and second arms through a shared transmission system. The first transmission mechanism and second transmission mechanism are merged into a coordinated system that ensures synchronous rotation of both arms, lifting the desktop in a straight line while minimizing the need for separate independent control systems.
Solution Approach 2:
A connection structure acts as an intermediary between the first and second arms, transmitting motion and ensuring synchronous rotation. This intermediary mechanism coordinates the movement of both arms, maintaining straight-line motion of the desktop while distributing the complexity across multiple manageable components rather than requiring a single complex 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
The device provides a large telescopic range with minimal influence on the surroundings, occupying small space, and enhances convenience and practicality by maintaining stability during height adjustments.
Implementation Method 1
a second end of the first quadrangular structure is rotatably connected to a second end of the second quadrangular structure via a rotary connection structure
Implementation Method 2
the power support device provides power to drive the first quadrangular structure to rotate
Data Source
AI summary
A stepless adjustable telescopic device includes a first support, a second support, and a folding arm connecting the first support to the second support. The folding arm includes a first quadrangular structure, a second quadrangular structure, and a power support device connected to the first quadrangular structure. A first end of the first quadrangular structure is rotatably connected to the first support. A first end of the second quadrangular structure is rotatably connected to the second support, and a second end of the second quadrangular structure is rotatably connected to a second end of the first quadrangular structure via a rotary connection structure. The power support device and the first quadrangular structure form a triangular structure, and the power support device is configured to drive the first quadrangular structure to rotate such that the first quadrangular structure drives the second quadrangular structure to rotate synchronously with the first quadrangular structure.