One-Handed Portable Terminal Holder with Pin-Jointed Handle
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Solution Overview
Problem
The increasing popularity of smartphones and tablets for use on public transportation poses a safety risk due to the difficulty in holding these devices securely with one hand, especially during the inertia of subway or bus movements, making it challenging to operate them safely.
Innovation Solution
A portable terminal holder with a supporting part, plug, and holding part that includes a pin-jointed structure, allowing the handle to rotate and position in multiple configurations for easy one-handed operation, stable connection via a plug and socket interface, and optional magnetic fixation for enhanced stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a tablet computer is held by hand with a narrow frame, then portability is improved, but misoperation risk increases due to difficulty in secure holding
Solution Approach 1:
The holder is divided into multiple functional segments: a supporting part with bottom and back portions, a detachable plug component, and a holding part with handle. This segmentation allows each component to perform its specific function optimally while maintaining overall portability.
Solution Approach 2:
The plug acts as an intermediary component that connects the holder to the portable terminal's socket. This mediator provides a secure mechanical and electrical connection, enabling reliable holding while maintaining the terminal's portability.
2Stability of the object's composition
If both hands are used to hold the terminal during subway or bus movement, then operational stability is improved, but safety risk increases due to inability to hold handrails
Solution Approach 1:
The holder structure separates the support function (supporting part) from the gripping function (holding part with handle), allowing one-handed operation that frees the other hand for safety purposes.
Solution Approach 2:
The holder's design with ergonomic handle and positioning mechanisms enables the terminal to be securely held without requiring additional support from the user's other hand, making the system self-sufficient for stable operation.
3Reliability
If a plug connector is made movable with rotation and retraction mechanisms, then durability is improved, but device complexity increases
Solution Approach 1:
The plug connector incorporates dynamic capabilities including rotation and retraction movements, allowing it to adapt to different connection states and reduce breakage risk from misuse while maintaining a relatively simple overall structure.
Solution Approach 2:
The plug connector's position and orientation parameters can change through rotation and retraction, providing durability against misuse while the compliant mechanism maintains structural simplicity through elastic deformation rather than complex mechanical components.
4Ease of operation
If the holding part is positioned in multiple configurations, then ease of operation is improved, but structural complexity increases due to pin-jointed structure
Solution Approach 1:
The pin-jointed structure enables the holding part to rotate and assume multiple dynamic positions, providing ease of operation for different user preferences while using a simple hinge mechanism rather than complex actuation systems.
Solution Approach 2:
The connection part is separated as a distinct segment connected by a pin joint, allowing independent rotation and positioning of the holding part relative to the supporting part, achieving versatility through simple modular connection.
Data Source
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AI summary
A portable terminal holder includes a supporting part, a plug, and a holding part. The supporting part includes a bottom part and a back part, where the back part bends and extends from an edge of the bottom part, the bottom part is configured to bear a frame of a portable terminal, and the back part is configured to bear a back of the portable terminal. The plug bends and extends from the bottom part, the plug and the back part extend in a same direction relative to the bottom part, a spacing is provided between the plug and the back part, the plug is configured to be inserted into a socket provided on the frame of the portable terminal, and the plug and the supporting part jointly position the portable terminal. The holding part includes a handle and a connection part, where the connection part is connected to the bottom part, and the handle is on a side that is of the connection part and that is away from the bottom part. The portable terminal holder has an advantage that a portable terminal can be held with one hand.