Display Bracket Pitch Adjustment With Torsion Spring Counterbalance
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Solution Overview
Problem
Display arms in prior art are difficult to adjust and provide a poor user experience due to reliance on friction force, especially when heavy displays are attached, leading to challenging angle adjustments.
Innovation Solution
A pitch-adjusting assembly for display arms utilizing a fixing structure, mounting structure, and adjusting structure with an elastic part, such as a spiral torsion spring, to counteract gravity-induced overturning forces, providing rotation resistance or power as needed for effortless angle adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If friction force is used to lock the display arm, then the display can be held in position, but the adjustment becomes difficult and requires excessive force
Solution Approach 1:
The elastic part (spring) acts as a counterweight mechanism that balances the gravitational force on the display. When the display arm is adjusted, the spring provides an opposing force that counteracts gravity, reducing the net force required by the user to move the arm. This resolves the contradiction by making adjustments effortless while maintaining reliable positioning through friction locking.
Solution Approach 2:
The system transitions from a static friction-based locking mechanism to a dynamic system where the elastic part continuously adjusts to balance gravitational forces. The spring force dynamically adapts to the display arm's position, providing assistance during movement and maintaining stability when positioned, thereby improving both ease of operation and reliability.
2Reliability
If large friction force is applied to prevent display movement, then stability is improved, but the user experience deteriorates due to difficult adjustment
Solution Approach 1:
The elastic part serves as a counterweight that offsets the gravitational moment acting on the display. By positioning the spring to provide a counteracting torque, the system reduces the net force required for adjustment while maintaining adequate friction for stable positioning. This resolves the contradiction between stability and adjustability.
Solution Approach 2:
The system changes the force balance parameters by introducing the elastic component. The spring constant and preload are adjusted to provide optimal counterbalancing, transforming the force characteristics of the system. This allows the friction force to be reduced for easier adjustment while maintaining sufficient holding capability through the combined effect of spring force and friction.
3Device complexity
If friction-based locking is used, then the structure remains simple, but the system cannot handle heavy displays effectively
Solution Approach 1:
The elastic part acts as a counterweight mechanism that enables the system to handle heavier displays. By providing a force that counteracts gravity, the spring reduces the net load on the friction-based locking mechanism. This allows the simple friction-locking structure to effectively support heavier displays that would otherwise require complex mechanical locking systems.
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 displays to maintain desired angles without excessive friction and allows effortless adjustment of pitch angles by counteracting gravitational forces, improving user experience.
Implementation Method 1
elastic part, the elastic part is located at the periphery of the adjusting part, one end of the elastic part is clamped or connected with the fixing structure, and the other end of the elastic part is clamped or connected with the adjusting part; wherein, when the adjusting part drives the mounting structure to rotate from top to bottom relative to the fixing structure, the torque generated by the elastic part counteracts the overturning force generated by the display due to gravity to provide rotation resistance for the display; when the adjusting part drives the mounting structure to rotate from bottom to top relative to the fixing structure, the torque released by the elastic part counteracts the overturning force generated by the display due to gravity to provide rotary power for the display
Implementation Method 2
the torque generated by the elastic part counteracts the overturning force generated by the display due to gravity
Data Source
AI summary
The present disclosure describes devices and systems of a pitch-adjusting assembly for display arms and a display arm. One pitch-adjusting assembly includes a fixing structure disposed on a support base; a mounting structure configured for mounting a display; and an adjusting structure penetrating the fixing structure, the adjustment structure comprising: an adjusting part, an elastic part disposed at the periphery of the adjusting part, and wherein: when the adjusting part drives the mounting structure to rotate from top to bottom, a first torque generated by the elastic part counteracts an overturning force generated by the display due to gravity to provide rotation resistance to the display; and when the adjusting part drives the mounting structure to rotate from bottom to top, a second torque released by the elastic part counteracts the overturning force generated by the display due to gravity to provide rotary power for the display.