Flashlight Lamp Head Damping for Stable Pitch Adjustment
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Solution Overview
Problem
Existing flashlight structures lack sufficient rotational damping in the lamp head assembly, leading to inaccurate pitch angle adjustments and unintended movement due to gravity.
Innovation Solution
Incorporating a damping member between the lamp head assembly and the rotating shaft assembly, such as a silicone or rubber component installed in a damping groove, to increase rotational resistance and stabilize the lamp head assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the lamp head assembly is rotatably connected to the control assembly without a damping member, then the rotation is too flexible and easy to adjust too much, but the pitch angle adjustment accuracy deteriorates due to automatic rotation and falling under gravity
Solution Approach 1:
A damping member is introduced as an intermediary element between the lamp head assembly and the rotating shaft assembly. This damping member provides rotational damping that prevents the lamp head from rotating too freely while still allowing intentional adjustment, thereby resolving the contradiction between rotational flexibility and positioning accuracy.
2Device complexity
If the lamp head assembly is rotatably connected without damping, then the structure is simple, but the reliability deteriorates due to unintended movement and inability to maintain adjusted position
Solution Approach 1:
The damping member serves as a mediator that adds minimal complexity to the structure while significantly improving reliability. It provides the necessary damping to prevent unintended movement and maintain the adjusted pitch angle position, without requiring a completely complex locking mechanism.
Solution Approach 2:
The damping member provides beforehand cushioning against unintended rotational movement. By pre-introducing damping resistance, the system prevents position drift and maintains stability without requiring active control or complex positioning mechanisms.
3Measurement precision
If a damping member is added between the lamp head assembly and rotating shaft assembly, then the pitch angle adjustment accuracy is improved, but the device complexity increases
Solution Approach 1:
The damping member is a simple intermediary component that can be integrated into the existing rotating shaft assembly structure. It provides the necessary damping function without requiring multiple additional components or complex mechanisms, thus minimizing the increase in device complexity while achieving improved positioning accuracy.
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 damping member effectively enhances the rotational damping of the lamp head assembly, improving the accuracy of pitch angle adjustments and preventing unintended movement, thereby making the flashlight more user-friendly and reliable.
Implementation Method 1
the damping member is configured to increase a resistance to a rotation of the lamp head assembly relative to the rotating shaft assembly
Implementation Method 2
the damping member is provided between the lamp head assembly and the rotating shaft assembly... to increase rotational damping of the lamp head assembly
Data Source
AI summary
Disclosed is a flashlight. The flashlight includes a rotating shaft assembly, a lamp head assembly, a control assembly and a damping member. The lamp head assembly is rotatably installed on the rotating shaft assembly; the control assembly is connected to the rotating shaft assembly; and the damping member is provided between the lamp head assembly and the rotating shaft assembly. The damping member is configured to increase a resistance to a rotation of the lamp head assembly relative to the rotating shaft assembly.