Rotatable Housing Bracket Structure for Foldable Electronic Devices
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Solution Overview
Problem
Existing electronic devices face challenges in providing a robust and efficient mechanism for housing components that allow for flexible and durable rotation, particularly in devices with integrated functionalities like mobile communication terminals and portable multimedia players, while maintaining a compact form factor.
Innovation Solution
The electronic device incorporates a first housing with a rear plate, a support bracket, and a rubber member, along with a hinge mechanism that includes a fastening part, fixing part, and rotating part, to facilitate rotatable coupling between housings, enhancing durability and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a hinge mechanism is added to enable rotation between housings, then flexibility and adaptability are improved, but device complexity increases
Solution Approach 1:
The hinge mechanism is nested within the housing structure, with the support bracket integrated into the first housing and the rotating part integrated into the second housing. This nesting approach enables rotation functionality while minimizing additional external components and maintaining a compact form factor.
Solution Approach 2:
The hinge mechanism merges multiple functions into a single integrated structure: the support bracket provides both structural support for the rear plate and serves as the mounting structure for the hinge screw; the rotating part combines the rotation function with the housing connection. This merging reduces the number of separate components and simplifies the overall structure.
2Stability of the object's composition
If multiple housing components are integrated to support rotation, then structural integrity is improved, but manufacturing complexity increases
Solution Approach 1:
The first housing is segmented into distinct functional components: the rear plate for structural support, the support bracket for hinge mounting, and the rotating part for rotation. This segmentation allows each component to be manufactured separately using standard processes, then assembled together, maintaining structural integrity while simplifying manufacturing.
Solution Approach 2:
The support bracket serves multiple functions: it provides structural support for the rear plate, acts as a mounting structure for the hinge screw, and contributes to the overall rigidity of the housing assembly. This multi-functionality reduces the number of separate components needed, simplifying manufacturing while maintaining structural integrity.
3Reliability
If a support bracket and rubber member are added to secure the rear plate, then reliability is improved, but device complexity increases
Solution Approach 1:
The rubber member acts as an intermediary element between the rear plate and the support bracket. It provides cushioning and securement while accommodating minor dimensional variations and assembly tolerances. This intermediary approach enhances reliability by preventing direct metal-to-metal contact and reducing stress concentrations, while adding only a simple elastomeric component.
Solution Approach 2:
The rubber member provides beforehand cushioning by being positioned between the rear plate and the support bracket before final assembly. This cushioning element prevents damage from impact loads, accommodates thermal expansion, and absorbs assembly misalignments, thereby enhancing durability while adding minimal complexity.
Data Source
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AI summary
An electronic device is provided. The electronic device comprises a first housing and a second housing, wherein: the first housing comprises a rear plate which includes at least one first opening, a support bracket which is disposed adjacent to the rear plate and supports the rear plate, and at least one rubber member which is arranged to pass through the first opening of the rear plate; and the support bracket comprises a fastening portion which is disposed adjacent to the rubber member, at least one stationary portion which extends from one side of the fastening portion, a support portion which extends from the at least one stationary portion and at least a part of which is arranged to face the rear plate, and at least one rotary portion which is connected to the support portion and rotatably coupled to the support portion.