Sliding Multi-Standard Plug Layout for Compact Shock-Safe Use
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Solution Overview
Problem
Existing multi-national power plugs fail to meet safety standards and miniaturization requirements simultaneously, as they either pose a risk of electric shock or occupy excessive space due to design limitations.
Innovation Solution
A small sliding multiple plug design featuring a housing with strategically arranged pins, including a UK standard pin with a ground line leg, a US standard pin, and an AU or CN standard pin, all with ground line legs, and incorporating retaining walls and a fuse to enhance safety and miniaturization, allowing for efficient use of space and compliance with safety standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple groups of conductive pins are arranged successively along one direction, then the plug can adapt to different national socket standards, but the multiple groups of conductive pins occupy a large space, resulting in a large volume of the whole product
Solution Approach 1:
The patent transitions from linear sequential arrangement of pin groups to a compact three-dimensional layout where multiple pin groups are arranged in different spatial dimensions within the housing. This allows multiple national standards to be accommodated without increasing the overall volume proportionally, as pins are organized in a space-efficient multi-dimensional configuration rather than extending linearly in one direction.
Solution Approach 2:
The patent employs a nested arrangement where pin groups for different national standards are integrated within a compact housing structure. The multiple pin groups are positioned to utilize internal space efficiently, with pins arranged to overlap or interlock in space, similar to nested dolls, thereby reducing the overall volume while maintaining adaptability to various socket standards.
2Volume of stationary object
If the number of legs is reduced to two, then the internal volume is reduced, but the plug has the risk of electric shock and leakage when used in high-power electrical appliances, which has low safety
Solution Approach 1:
The patent incorporates a sliding mechanism that allows the pin groups to dynamically adjust their positions and configurations. When inserted into a socket, the pins can slide into place, ensuring proper contact and alignment. This dynamic adjustment capability ensures that even with a compact two-leg design, the electrical connection remains secure and safe for high-power applications, as the sliding action guarantees reliable engagement rather than fixed rigid positioning.
Solution Approach 2:
The patent divides the pin structure into multiple independent pin groups, each corresponding to different national standards. Each pin group can be independently configured and positioned within the housing. This segmentation allows the compact two-leg design to maintain safety by ensuring that each pin group has proper grounding and insulation, as the segmented structure enables independent optimization of each pin's safety features while maintaining overall compactness.
3Adaptability or versatility
If multiple groups of conductive pins are arranged successively along one direction, then the plug can adapt to different national socket standards, but the arrangement increases the length of the plug, making it inconvenient to carry
Solution Approach 1:
The patent arranges multiple pin groups in a three-dimensional configuration within the housing rather than sequentially along one direction. The pins are positioned in different spatial planes and orientations, allowing the plug to accommodate multiple national standards without increasing its length. This multi-dimensional arrangement compresses the overall length while maintaining adaptability to various socket types.
Solution Approach 2:
The patent merges multiple pin groups for different national standards into a single integrated housing structure. The pin groups are combined in a compact arrangement where they share common structural elements and housing space. This merging reduces the overall length by eliminating redundant structural components and optimizing the spatial relationship between different pin groups, making the plug more portable while maintaining versatility.
Data Source
AI summary
The present invention discloses a small sliding multiple plug, comprising a housing, and a plurality of pin holes arranged on the bottom surface of the housing, wherein a first pin, a second pin and a third pin are arranged in the housing; the first pin mainly consists of a ground line leg, a live line leg and a null line leg; when the ground line leg of the first pin is taken as a central point, the second pin is arranged on one side of the central point, and the third pin is arranged on the other side of the central point; and the second pin and the third pin are respectively composed of three legs including the ground line leg. The present invention provides a small sliding multiple plug, which is small in size, has high safety in use, and meets the requirements of safety standards and developing to miniaturization.