Glasses Display Pivot Assembly Wire Routing
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Solution Overview
Problem
Existing glasses type display devices face challenges in reducing storage space and extending the service life of wires due to their design constraints.
Innovation Solution
The design incorporates a pivot assembly with divided pivoting shaft bodies, allowing the wire to pass through and be naturally bent, thereby reducing the device's appearance size and enhancing wire durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the wire is extended through a solid pivoting shaft body, then the structural integrity is maintained, but the wire cannot be naturally bent and the device size increases
Solution Approach 1:
The pivoting shaft body is divided into two separate portions: a first pivoting shaft body connected to the head-mounted display and a second pivoting shaft body connected to the temple. These two portions are positioned at different locations, creating a gap between them. The wire is routed through this gap, allowing it to be naturally bent during pivoting motion without passing through a solid shaft body, thereby extending wire service life while reducing device size.
2Reliability
If the wire is forced through a solid shaft body, then structural integrity is maintained, but the wire undergoes stress and its service life is reduced
Solution Approach 1:
The pivot assembly is segmented into a first pivoting shaft body and a second pivoting shaft body positioned at different locations. This segmentation creates a natural gap through which the wire can pass without being forced through a solid structure, reducing stress on the wire and extending its service life while maintaining structural integrity through the distributed pivot points.
Solution Approach 2:
The gap between the first and second pivoting shaft bodies acts as an intermediary space that allows the wire to pass through naturally. This intermediary space enables the wire to follow the pivoting motion without direct contact with the shaft bodies, reducing friction and stress while still providing structural support through the distributed pivot assembly.
3Reliability
If a single solid pivoting shaft body is used, then the structure is simple, but the wire cannot be naturally bent and device size increases
Solution Approach 1:
Instead of positioning the pivoting shaft bodies along the wire's length (one-dimensional arrangement), the first and second pivoting shaft bodies are positioned at different locations in space, creating a three-dimensional gap. The wire passes through this spatial gap, allowing natural bending in multiple dimensions during pivoting motion, which extends wire service life without significantly increasing the overall device length.
Data Source
AI summary
A glasses type display device includes a front-end assembly, first and second temples, a pivot assembly, and a wire. The first temple is pivotally connected to the front-end assembly. The pivot assembly is between the front-end assembly and the second temple to pivotally connect the two. The pivot assembly includes first and second connecting portions respectively having first upper and lower pivot portions and second upper and lower pivot portions and connected to the front-end assembly and the second temple. The first and second upper pivot portions cooperate and the first and second lower pivot portions cooperate on a pivot axis, so that the second connecting portion is pivoted relative to the first connecting portion on the pivot axis. The wire is extended from the front-end assembly via a space between the first or second upper pivot portion and the first or second lower pivot portion to the second temple.