Bicycle Light Assembly with Nested Shell and Positioning Element
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Solution Overview
Problem
Conventional bicycle frames suffer from rigidity heterogeneity and manual soldering defects, leading to reduced usage life and susceptibility to scratches and abrasions, while externally mounted bicycle lights are prone to damage during use.
Innovation Solution
A bicycle light assembly featuring a light shell that surrounds the frame's tubes, a light holder, and a positioning element with first and second positioning pieces, which are assembled to the connecting area of the frame's tubes, enhancing structural stability and preventing damage to the light assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the bicycle light is mounted externally on the frame, then the light assembly is easily accessible and installable, but the light assembly is prone to scratches, abrasion, and damage during use
Solution Approach 1:
The light assembly is nested within a light shell that integrates with the frame structure. The light holder is positioned inside the light shell, and the positioning element is embedded within the light holder, creating a nested configuration that protects the light components while maintaining accessibility.
Solution Approach 2:
The light assembly is merged with the frame by integrating the light shell into the frame's tube structure. The positioning element combines multiple functions: it positions the light device, secures the light holder, and protects the assembly from damage, eliminating the need for separate mounting hardware.
2Ease of manufacture
If the frame is assembled by soldering tubes together, then the frame structure is formed, but rigidity heterogeneity occurs due to manual soldering defects and uneven soldering paths
Solution Approach 1:
The frame is segmented into multiple tubes (head tube, upper tube, lower tube) that are connected through a localized integrating structure. The light shell spans across these tube connections, and the positioning element with its first and second positioning pieces distributes structural stress across multiple connection points, compensating for soldering inconsistencies in individual joints.
Solution Approach 2:
The positioning element creates localized high-strength zones at critical connection points (where the first positioning piece contacts the head tube and the second positioning piece contacts the light holder). These localized reinforcement zones compensate for potential weakness in soldered joints, ensuring overall frame rigidity without requiring perfect soldering throughout the entire structure.
3Reliability
If the light assembly is securely integrated with the frame, then the usage life of the light is extended and damage is prevented, but the device complexity increases
Solution Approach 1:
The positioning element serves multiple functions simultaneously: it acts as a positioning mechanism to locate the light device, a fastening element to secure the light holder, and a protective component to prevent damage during installation and use. The light shell also provides both structural integration with the frame and protection for the light components, reducing the need for separate protective housings.
Data Source
AI summary
A bicycle light assembly includes a light shell, a light holder, a light device and a positioning element. The light shell surrounds tubes of a bicycle frame. The light shell has a locating space penetrating through the light shell in a front-to-rear direction, and an opening communicated with the locating space. The light holder is covered to a front of the opening. The light device is connected to the light holder. The light device is positioned in the locating space. The positioning element is positioned in the locating space. The positioning element has a main body. The main body is sleeved on an outer surface of the light device. The main body has a first positioning piece and a second positioning piece. The first positioning piece abuts against an inner surface of the light shell. The second positioning piece abuts against a rear surface of the light holder.