DC Socket Protective Door With Multi-Slide Pin Blocking
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Solution Overview
Problem
Conventional DC sockets with small structures face challenges in incorporating safety protection mechanisms due to their compact size, making it difficult to implement effective safety features.
Innovation Solution
A protective door system for DC sockets featuring sliding members with perpendicular movement directions, including a base, first, second, and third sliding members, and elastic members to block and expose pins when not in use, ensuring safety and space efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a small structure is used for the DC socket body, then the socket is convenient to be installed and used, but it is difficult to dispose safety protection structures on the socket
Solution Approach 1:
The protective door is divided into multiple independent sliding members (first sliding member with third through hole, second sliding member with fourth through hole, third sliding member with fifth through hole) that can move independently along different directions. This segmentation allows each component to perform safety functions while maintaining a compact overall structure that fits small DC sockets.
Solution Approach 2:
The sliding members move along different spatial directions (first direction and second direction perpendicular to the first) to achieve safety protection. By utilizing multi-dimensional movement, the design incorporates comprehensive safety mechanisms without increasing the footprint of the socket body, resolving the contradiction between compact size and safety protection capability.
2Reliability
If multiple sliding members with different movement directions are used, then safety protection is improved, but device complexity increases
Solution Approach 1:
Multiple sliding members (first, second, and third sliding members) are integrated into a single protective door assembly that couples to the socket body. The through holes of different sliding members align to form a unified protective mechanism, combining multiple safety functions into one integrated structure rather than separate components.
Solution Approach 2:
The protective door assembly serves multiple safety functions simultaneously: the first sliding member blocks the first pin, the second sliding member blocks the second pin, and the third sliding member provides additional protection. This multi-functional design achieves comprehensive safety protection without proportionally increasing structural complexity, as all functions are embedded within a single integrated door assembly.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively prevents accidental electric shocks by blocking pins when not in use, while maintaining a compact design that saves space and allows easy plug insertion, enhancing safety and usability.
Implementation Method 1
a first elastic member coupled to the base and the first sliding member, and configured to apply a force to the first sliding member to stagger the third through hole and the second through hole; and a second elastic member coupled to the base and the second sliding member, and configured to apply a force to the second sliding member to stagger the fourth through hole and the second through hole
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
Embodiments of the present disclosure provide a protective door for a socket and the socket. A base of the protective door may be coupled to a body of the socket, and includes a first through hole and a second through hole. The first sliding member is slidably disposed on a side of the base along a first direction, and includes a third through hole. The second sliding member is slidably disposed between the base and the first sliding member along the first direction, and includes a fourth through hole. The third sliding member is slidably disposed on the base along a second direction and located at a side of the first sliding member. The third sliding member is adapted to drive the second sliding member to switch between the blocking position and the relief position during sliding. The third sliding member includes a fifth through hole.