EV Charging Connector Rear Holder for Stable Terminal Fixing
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Solution Overview
Problem
The existing charging connectors for electric vehicles face limitations in maintaining the fixing force of terminal parts due to repeated detachment, leading to deteriorated electrical safety and reduced workability and productivity during installation of outlet terminals.
Innovation Solution
A charging connector design featuring a housing with a rear holder and prevention ribs that elastically deform to securely fix the outlet terminal, ensuring stable connection and easy assembly, thereby enhancing durability and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the outlet terminal is installed in the existing charging connector, then the electrical connection is established, but the fixing force deteriorates due to repeated detachment
Solution Approach 1:
The prevention rib is designed to be elastically deformable, allowing it to dynamically adapt during insertion and provide continuous fixing force. The rib deforms elastically when the outlet terminal is inserted and maintains constant pressure to prevent separation, resolving the contradiction between maintaining reliability and stability under repeated detachment conditions
Solution Approach 2:
The prevention rib is pre-configured with elastic deformation capability to counteract the separating force before detachment occurs. By providing preliminary counteracting force through elastic deformation, the system prevents the deterioration of fixing force that would otherwise occur with repeated detachment cycles
2Reliability
If the outlet terminal is securely fixed, then the durability and safety are improved, but the installation complexity increases
Solution Approach 1:
The prevention rib automatically performs the fixing function through its elastic deformation property without requiring additional fastening operations. The rib self-adjusts to secure the outlet terminal in place, eliminating the need for complex installation procedures while maintaining high durability and safety standards
Solution Approach 2:
The elastic modulus and geometric parameters of the prevention rib are optimized to provide sufficient fixing force while maintaining ease of installation. By carefully selecting material properties and rib dimensions, the system achieves secure fixation without increasing installation complexity
3Productivity
If the outlet terminal is easily installed, then the productivity is improved, but the fixing stability deteriorates
Solution Approach 1:
The elastic prevention rib automatically secures the outlet terminal upon insertion without requiring additional fastening steps. This self-securing mechanism enables quick installation while maintaining stable fixation, resolving the contradiction between installation efficiency and fixing stability
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 solution provides a stable and secure electrical connection, improves product durability, and simplifies the installation process by preventing unintentional separation of the outlet terminal, thus addressing the limitations of existing connectors.
Implementation Method 1
a prevention rib extending from the body to the inside of the housing and elastically deformed so that the outlet terminal is hooked and fixed
Data Source
AI summary
Provided is a charging connector for a vehicle, which is coupled to an inlet charging part of an electric vehicle. The charging connector includes a housing configured to provide a coupling space with the inlet charging part, an outlet terminal part including an outlet terminal disposed to pass through the coupling space so as to be in contact with an inlet terminal part installed inside the inlet charging part and a cable connected to the outlet terminal, and a rear holder assembled to one side of the housing to prevent the outlet terminal part from being separated. The rear holder includes a body disposed outside the coupling space and a prevention rib extending from the body to the inside of the coupling space and elastically deformed so that the outlet terminal is hooked and fixed to facilitate assembly of the charging connector for the vehicle and improve durability and safety.