Socket Protection Door Structure for Single-Pin Blocking and Reset
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing socket protection door structures face issues such as torsion springs deviating and losing efficacy with frequent movement, difficulty in resetting the protection door, and vulnerability to single-pin insertion.
Innovation Solution
A socket protection door structure featuring a support seat, protection door, and elastic reset member, with guide slots and stoppers to facilitate smooth movement and reset, and guide shafts to manage two-directional movement, ensuring secure plug insertion and easy reset.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the protection door structure is made simple, then the device complexity is reduced, but the protection door becomes vulnerable to single-pin insertion and cannot prevent electric leakage
Solution Approach 1:
The protection door is divided into multiple independent guide slots, each with specific directional constraints. The guide slots are segmented into different sections (first guide section, second guide section, third guide section) that work together to control door movement, preventing single-pin insertion while maintaining structural simplicity
Solution Approach 2:
The guide slots act as intermediary structures between the protection door and the external environment. They mediate the interaction by allowing controlled movement in specific directions while blocking unauthorized access, thus providing protection without complex additional components
2Ease of operation
If the protection door moves frequently, then the ease of operation is improved, but the torsion spring deviates and the door becomes difficult to reset
Solution Approach 1:
The guide slots are designed with dynamic characteristics that change based on door position. The first guide section facilitates easy opening movement, while the second and third guide sections provide restoring force and positional limits, ensuring the door returns to its initial position after frequent operations
Solution Approach 2:
The guide slot geometry changes along its length, with different sections having different orientations and functions. This parameter variation allows the slot to guide the door smoothly during opening, provide resetting force during closing, and prevent over-travel, maintaining reliability after frequent use
3Manufacturing precision
If the guide slot structure is simplified, then the manufacturing precision requirements are reduced, but the protection door cannot be guided accurately in multiple directions
Solution Approach 1:
The guide slot is segmented into multiple functional sections, each with a specific orientation and purpose. This segmentation allows each section to be manufactured with standard precision while the combination of sections achieves complex multi-directional guidance functionality
Solution Approach 2:
The guide slot structure serves multiple functions within a single component: it guides opening movement, provides resetting force, limits travel distance, and prevents single-pin insertion. This multi-functionality reduces the need for additional separate components and their associated precision requirements
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 structure provides secure protection against accidental insertion, easy plug insertion, and prolonged service life with reduced component count and cost, enhancing user experience and manufacturing efficiency.
Implementation Method 1
an elastic reset member... configured to reset the protection door
Data Source
AI summary
Disclosed in the present disclosure are a socket protection door structure, including a support seat, a protection door and an elastic reset member, wherein the support seat is provided with two sets of first via holes which correspond to an N-pole plug bush and an L-pole plug bush of the socket, respectively; the protection door is movably connected to the support seat, and the protection door is provided with a second via hole and is configured to be capable of moving sequentially in a first direction and a second direction, such that one set of the first via holes is exposed and another set of first via holes is correspondingly communicated with the second via hole; and the elastic reset member is disposed between the support seat and the protection door, and is configured to reset the protection door.