Universal Adaptor Bracket for Portable Headlamps
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Solution Overview
Problem
Existing portable lamp fixing systems lack universality and security, particularly for helmets and other supports, as they do not accommodate lamps of varying dimensions and risk accidental falls.
Innovation Solution
A universal adaptor bracket with circular grooves and ribs, combined with a flexible locking mechanism, allows secure attachment of portable lamps of different sizes to various supports, including helmets and bicycles, ensuring a compact and stable fixing system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing portable lamp fixing systems are used, then the lamp can be attached to supports, but the system lacks universality and cannot accommodate lamps of varying dimensions
Solution Approach 1:
The adapter bracket is designed with multiple supporting lugs (first, second, and third supporting lugs) that can accommodate lamps of different dimensions. Each lug has grooves with specific radius of curvature (100-200 mm) to engage with corresponding ribs on various lamp models, enabling a single adapter to universally fix different lamp sizes and types.
2Reliability
If existing fixing systems are used, then attachment is possible, but the security is insufficient and accidental falls may occur
Solution Approach 1:
The locking mechanism uses a flexible tongue with elastic deformation capability. When the first rib of the lamp is engaged in the groove of the first supporting lug, the tongue flexes elastically to allow the rib to slide until the notch is positioned under the stud, then blocks the positioning. This dynamic elastic response ensures secure attachment while accommodating dimensional variations.
Solution Approach 2:
The flexible tongue acts as an intermediary between the lamp rib and the supporting lug. It mediates the engagement process by deforming elastically to guide the rib into the correct position and then blocking it with the stud, ensuring secure attachment without requiring complex mechanical fasteners.
3Reliability
If a secure fixing system is implemented, then accidental falls are prevented, but the fixing system may become less compact
Solution Approach 1:
The adapter bracket design integrates multiple supporting lugs and locking mechanisms within a compact structure. The first, second, and third supporting lugs are arranged to engage with corresponding ribs on the lamp, with the locking mechanism nested within the overall bracket structure, maintaining compactness while ensuring secure attachment.
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 solution provides a secure, compact, and versatile attachment method for portable lamps, accommodating lamps of various dimensions and preventing accidental falls, while allowing for multiple attachment configurations on different types of supports.
Implementation Method 1
The tongue has sufficient flexibility to allow elastic deformation so that when the first rib of the lamp—having a notch in its middle—is engaged in the corresponding groove of the first supporting lug, a stress is applied to the supporting lug or locking clip so as to flex the latter in order to allow said first rib to slide until the notch is positioned under the stud of the supporting lug or locking clip so as to block the positioning of the lamp.
Data Source
AI summary
A adaptor bracket for a wide range of removable portable lamps intended to be fixed on various supports or accessories. The bracket has a base or frame having a first supporting lug with a circular groove to engage a first rib and has a second supporting lug with a circular groove to allow engagement of a second rib. The adaptor bracket has a locking system based on a stopper or locking clip intended to block the engagement of the first and second ribs at a predetermined position.