Track Linear Lamp Optical Assembly With Snap-Fit Angle Positioning
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Solution Overview
Problem
Existing track linear lamps face issues with inaccurate installation of rotatable structures, lens components, and damage to lamp beads during assembly, leading to functional failures and reduced service life.
Innovation Solution
The optical assembly includes a reflective cup with snap-fit slots, a lens component with first hooks, and an anti-glare cup with second hooks, allowing for snap-fit connections, along with a rotating shaft mechanism for adjustable illumination angles, and support posts to prevent bead damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rotatable structure is arranged between the lamp holder and the lamp body to adjust the light source irradiation direction, then the practicability of the track lamp is improved, but the installation accuracy is insufficient leading to functional failures
Solution Approach 1:
The rotatable structure is divided into discrete components: a rotatable component with rotating teeth and a fixing component with positioning teeth. This segmentation allows for precise angular positioning through discrete tooth engagements, resolving the installation accuracy issue while maintaining rotational adjustability.
Solution Approach 2:
A transmission component is introduced as an intermediary between the rotatable and fixing components. This transmission component includes transmission teeth that engage with both the rotating teeth and positioning teeth, mediating the rotational motion and ensuring accurate positioning while preserving the adjustability function.
2Ease of manufacture
If components are assembled without precise positioning structures, then the assembly process is simplified, but the lens component installation becomes inaccurate
Solution Approach 1:
The patent uses shape changes (not color) - specifically, the L-shaped protrusions and corresponding grooves create visible geometric features that guide proper alignment. These shape-based positioning features make correct installation obvious and easy to verify, maintaining simplicity while ensuring precision.
Solution Approach 2:
The L-shaped protrusions and grooves utilize asymmetric geometry to ensure correct orientation. The asymmetric shapes only fit together in the proper rotational orientation, automatically guiding accurate lens component installation without complex assembly procedures.
3Ease of manufacture
If the reflective cup is directly assembled with the light source board, then the assembly is straightforward, but the lamp beads are easily damaged
Solution Approach 1:
The positioning protrusions and grooves are pre-formed on the reflective cup and light source board. These preliminary positioning features guide the components into correct alignment before final assembly, preventing misalignment damage to the lamp beads while keeping the assembly process straightforward.
Solution Approach 2:
The positioning protrusions and grooves act as intermediary elements between the reflective cup and light source board. They mediate the assembly process by providing mechanical guidance and constraint, protecting the lamp beads from damage during assembly while maintaining ease of manufacture.
Data Source
AI summary
An optical assembly, a linear lamp, a linear lamp combination and a track linear lamp are provided, the optical assembly includes a light source module, a reflective cup, a lens component, and an anti-glare cup which are sequentially arranged in a height direction, in which an edge of the reflective cup is provided with a snap-fit slot, and an edge of the lens component is provided with a first hook in a protruding manner, the anti-glare cup is provided with a second hook in a protruding manner, the first hook and the second hook extend in a same direction so as to be inserted into a corresponding snap-fit slot, and the reflective cup, the lens component, and the anti-glare cup are connected in a snap-fit manner.