Retractable Light Guide Structure for External Force Protection
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Solution Overview
Problem
Electronic apparatuses with protruding light guide bodies are prone to damage from external forces, necessitating a solution to prevent excessive force application.
Innovation Solution
The electronic apparatus incorporates a chassis with a cover plate and side plates, featuring a light guide body with a tip protruding portion that can retract and a biasing structure providing an elastic repulsive force, along with a holding member to stabilize the light guide body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the light guide body is formed protruding from the side surface of the chassis, then the display function is improved, but the vulnerability to external force damage increases
Solution Approach 1:
The light guide body is designed to be movable rather than fixed, allowing it to dynamically adjust its position. The biasing structure enables the light guide body to retract when external force is applied, transforming the static protruding structure into a dynamic one that can respond to external conditions, thereby resolving the contradiction between maintaining display function and preventing damage.
Solution Approach 2:
The biasing structure provides a cushioning force that pushes the light guide body into the insertion portion when external force is applied. This beforehand cushioning mechanism prevents the light guide body from being directly damaged by external forces, allowing it to retract safely while maintaining its display function when no external force is present.
2Object-affected harmful factors
If the light guide body is made movable to prevent damage, then the resistance to external force is improved, but the structural complexity increases
Solution Approach 1:
The biasing structure and the light guide body are integrated into a unified assembly where the biasing structure is positioned within the insertion portion and directly connected to the light guide body. This merging of components reduces the need for separate complex mechanisms, achieving the movable functionality with minimal additional structural elements.
Solution Approach 2:
The biasing structure automatically responds to external force application by pushing the light guide body into the insertion portion without requiring external control systems. This self-service mechanism simplifies the overall structure by eliminating the need for sensors, actuators, or control circuits that would otherwise be required to detect and respond to external forces.
3Object-affected harmful factors
If the tip protruding portion can retract into the insertion portion, then the protection from external force is improved, but the space requirement increases
Solution Approach 1:
The light guide body is nested within the insertion portion of the side plate, allowing it to retract inside the existing chassis structure. The biasing structure is also positioned within the insertion portion, utilizing the available space efficiently. This nesting arrangement enables the retraction functionality without requiring additional external space, as the movement occurs within the boundaries of the existing insertion portion.
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
This configuration reduces the impact on the light guide body, minimizing damage and allowing for stable operation while saving space and preventing light leakage.
Implementation Method 1
The biasing structure biases the light guide body in a protruding direction of the tip protruding portion by an elastic repulsive force
Implementation Method 2
the biasing structure is an elastic piece connected to the light guide body and obtains the repulsive force by elastic bending deformation
Implementation Method 3
The biasing structure may be configured to obtain the repulsive force by elastic compressive deformation
Data Source
AI summary
An electronic apparatus includes a chassis having a cover plate and side plates, a light emitting portion provided inside the chassis, a light guide body having a tip protruding portion, and a biasing structure which biases the light guide body. The side plate is formed with an insertion portion which penetrates from an inner surface of the side plate to an outer surface thereof. The light guide body is movable in a direction of approaching and moving away from the side plate. The tip protruding portion protrudes from the outer surface of the side plate so as to be able to protrude from and retract into the insertion portion. The biasing structure biases the light guide body in a protruding direction of the tip protruding portion by an elastic repulsive force.