Foldable POS Structure with Rotating Connecting Arm
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Solution Overview
Problem
Traditional point of sale (POS) systems are inflexible, unable to be randomly matched with peripheral devices of different sizes or configured for various environments due to their fixed structure.
Innovation Solution
A foldable POS structure featuring a screen, connecting arm, and rotating members (hinges or stepping motors) that allow the system to be adjusted into desktop, vertical, or wall-mounted types, enabling compatibility with diverse peripheral devices and environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional POS uses a fixed single-screen structure, then the structure is simple and stable, but it cannot be matched with peripheral devices of different sizes or configured in different environments
Solution Approach 1:
The patent applies the dynamics principle by replacing the fixed structure with a foldable connecting arm that can rotate between different positions. The connecting arm includes rotating members that allow the screen and base to change their relative positions and angles, enabling the POS to adapt between desktop type, pulled-up vertical type, and wall-mounted type configurations. This dynamic structure resolves the contradiction by providing environmental adaptability while maintaining reasonable structural complexity through controlled rotation mechanisms.
Solution Approach 2:
The patent applies segmentation by dividing the POS into separate functional modules: screen, connecting arm, and base, which can be independently positioned and configured. The connecting arm acts as a separate segment that can rotate to connect the screen and base in different spatial relationships. This modular segmentation enables flexibility in matching with peripheral devices of different sizes while keeping each component relatively simple in design.
2Adaptability or versatility
If a POS structure is made foldable with rotating members, then adaptability to different environments is improved, but the device complexity increases
Solution Approach 1:
The connecting arm is designed as a universal component that can achieve multiple configurations (desktop type, pulled-up vertical type, wall-mounted type) through rotation. The rotating members serve multiple functions: connecting the screen and base, enabling position adjustment, and allowing angle variation. This multi-functionality reduces the need for multiple separate structures, thereby limiting the increase in device complexity while maximizing adaptability.
Solution Approach 2:
The patent utilizes parameter changes by allowing the connecting arm to rotate through different angles and positions, changing the spatial parameters of the POS configuration. The rotating members enable continuous adjustment of the relative position and orientation between the screen and base, providing flexibility to adapt to different environmental requirements without requiring completely different structural designs for each configuration type.
Data Source
AI summary
The present invention provides a foldable structure for a point of sale (POS). The foldable structure comprises: a screen, a back plate of which is provided with a screen mounting part; a connecting arm, two ends of which are respectively provided with a first mounting part and a second mounting part; a base, a side plate of which is provided with a base mounting part; a first rotating member, coupled between the screen mounting part of the screen and the first mounting part of the connecting arm; and a second rotating member, coupled between the base mounting part of the base and the second mounting part of the connecting arm. The first rotating member and the second rotating member are rotated, and the connecting arm is folded to expand the screen and the base into a desktop type or a pulled-up vertical type, or the connecting arm is folded to gather the base against the back plate of the screen to form a wall-mounted type.