Elastic Wire Holder Structure for Movable Prism Lever Routing
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Solution Overview
Problem
Existing electronic devices face challenges in routing wires near movable members without using bridge members, which are not suitable for compact designs with fewer components.
Innovation Solution
A wire holding structure that includes a wire holder with elastically deformable holding pieces, a wire housing space, and a wire insertion slit with a minimum width smaller than the wire diameter, allowing the wire to be routed without interfering with the movable member's movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bridge member is used to fasten the wire near the movable member, then the wire does not interfere with movement of the movable member, but the device complexity increases and the design becomes less compact
Solution Approach 1:
The patent merges the wire holding function directly into the circuit board by forming protrusions from the board itself, eliminating the need for a separate bridge member. The protrusions are integrated structural elements of the circuit board that extend into the movable member's movement area to hold the wire in place.
Solution Approach 2:
The patent extracts the wire holding function from a separate bridge member component and integrates it directly into the circuit board structure. This removes the unnecessary bridge member while retaining the essential wire holding capability through the protrusions formed on the circuit board.
2Device complexity
If the wire is routed near the movable member without a bridge member, then the device becomes more compact with fewer components, but the wire may interfere with movement of the movable member
Solution Approach 1:
The circuit board is segmented into multiple protrusions that are distributed across the board surface. These protrusions create discrete holding points for the wire, allowing the wire to be securely held at multiple locations without requiring a continuous bridge structure, thus maintaining compactness while ensuring stability.
Solution Approach 2:
The protrusions act as intermediary structures between the circuit board and the wire. They provide a mechanical interface that secures the wire to the circuit board without requiring a separate bridge member, enabling the wire to be held firmly while maintaining the compact design.
3Adaptability or versatility
If multiple wires are routed near the movable member, then the device layout becomes more flexible, but the wires may become tangled or interfere with each other
Solution Approach 1:
The circuit board is divided into multiple protrusions that are spatially distributed across the board. Each protrusion can hold a wire independently, allowing multiple wires to be routed near the movable member without interfering with each other. The segmented structure provides discrete holding points that maintain wire separation and prevent tangling.
Solution Approach 2:
The wire holding function is extended into the third dimension by forming protrusions that extend from the circuit board surface into the movement area. This vertical dimension allows wires to be held at different heights and positions, providing flexible routing options while maintaining stable wire arrangement through spatial separation.
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 structure enables flexible routing of wires without interference, allowing easy soldering to circuit boards and reducing the likelihood of wire slippage, while maintaining a compact design with fewer components.
Implementation Method 1
At least one of the pair of holding pieces is elastically deformable
Data Source
AI summary
A wire holding structure is simple and allows a wire to be routed without interfering with movement of a movable member. The wire holding structure includes wires extending across a prism lever and a wire holder holding the wires. The wire holder includes a base spaced apart from, in the positive Z-direction, an area in which the prism lever is movable, and a pair of holding pieces spaced apart from the base in the Z-direction and extending oppositely to each other in the Y-direction. The holding pieces are elastically deformable. The wire holder has, between the holding pieces and the base, a wire housing space housing the wires. The wire holder has, between the holding pieces, a wire insertion slit having a minimum width smaller than the smallest outer diameter of the wires.