Cam-Based Automatic Lamp Installation Mechanism to Reduce Manual Force
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Solution Overview
Problem
Conventional ceiling light installation mechanisms require significant manual effort and are inefficient, as they rely on torsion springs that necessitate strong action force application, making the process inconvenient, labor-intensive, and potentially hazardous, especially when installing or removing large ceiling lights.
Innovation Solution
An automatic installation mechanism using a simple cam-based automatic switch that locks the torsion spring, allowing for easy installation and detachment of ceiling lights by replacing the need for manual force, reducing labor and improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a torsion spring is used to provide rotational force for installation, then the installation mechanism can achieve automatic rotation, but significant manual force is required to overcome the torsion, increasing labor intensity and safety risks
Solution Approach 1:
A cam mechanism is introduced as an intermediary between the operator and the torsion spring. The cam converts small linear motion into large rotational motion, amplifying the operator's input force to overcome the torsion spring's resistance without requiring excessive manual force directly on the strut.
Solution Approach 2:
The system transitions from a static torsion spring to a dynamic cam-based mechanism that provides mechanical advantage. The cam's varying radius creates a dynamic leverage effect, allowing the operator to control the torsion spring's rotation with minimal force through a simple pushing motion.
2Ease of operation
If the action point is located closer to the torsion spring, then the rotational control is improved, but the action force required becomes relatively larger
Solution Approach 1:
The cam mechanism utilizes a curved surface (the cam profile) to transform the relationship between force application point and rotational output. By pushing against the cam's curved surface, the operator achieves both rotational control and force multiplication, eliminating the trade-off between control and force magnitude.
3Stability of the object's composition
If the U-shaped strut is arranged on the outer side of the fixing member, then the installation mechanism achieves stability, but the structure becomes more complex and space-consuming
Solution Approach 1:
The cam mechanism is integrated directly into the fixing member's structure, merging the mounting function with the rotational actuation function. This consolidation maintains installation stability while reducing overall structural complexity and saving space compared to separate U-shaped struts.
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 automatic installation mechanism simplifies the installation process, reduces manual labor, and enhances safety by eliminating the need for strong force application, making it easier to install and remove ceiling lights without risking injury from torsion spring rebound.
Implementation Method 1
an elastic element (13)... arranged between the support element (16) and the fixing base (14) to connect the support element (16) and the fixing base (14) respectively
Implementation Method 2
An automatic installation mechanism using a simple cam-based automatic switch that locks the torsion spring
Data Source
AI summary
An automatic lamp installation mechanism includes a support element having one end of rotatably connected to a side of a fixing base; an elastic element arranged between the support element and the fixing base, a fixing element provided on the support element and including a first catch element; and a limiting element provided on the side of the fixing base and having a triggering element and a second catch element, wherein the triggering element is located apart from the fixing base.