Charging Connector Structure to Isolate Drop Impact
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Solution Overview
Problem
Charging connectors are prone to damage when dropped due to the transmission of impact to internal structural elements, particularly the contact elements within the body.
Innovation Solution
A charging connector design that includes a mating portion, a main portion, a body, and a fastening member, where the fastening member secures the mating portion to the body without contacting the housing, thereby preventing direct impact transmission to the internal structural elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the fastening member contacts the housing to secure the mating portion, then the structural strength is improved, but the impact transmission to internal structural elements increases
Solution Approach 1:
The patent introduces the housing as an intermediary element between the fastening member and the main portion. The fastening member secures the mating portion to the housing, and the housing in turn holds the main portion, creating a decoupled structure where impact on the mating portion does not directly transmit to the main portion's internal structural elements
Solution Approach 2:
The charging connector is divided into distinct functional segments: the mating portion, the housing, and the main portion. This segmentation allows the housing to act as an independent structural element that absorbs and isolates impact forces, preventing direct transmission to the contact elements within the main portion
2Ease of repair
If the contact support is directly connected to the body with screws, then the ease of repair is improved, but the reliability under impact is worsened
Solution Approach 1:
The structure is segmented into replaceable modules: the mating portion can be replaced independently by removing the fastening member, while the housing and main portion remain intact. This modular design maintains ease of repair while the housing provides impact protection to the main portion
Solution Approach 2:
The housing serves as an intermediary protective layer between the mating portion and the main portion. When the mating portion is replaced, the housing remains in place and continues to protect the main portion from impact, decoupling the repair process from the protective function
Data Source
AI summary
A charging connector is provided with a mating portion, a main portion, a body and a fasting member. The main portion is provided with a plurality of contacts, which are respectively connectable mating contacts of a mating connector, and a housing, which holds the contacts. The body accommodates the main portion at least in part and holds the main portion. The mating portion is located forward of the body in a front-rear direction. The fasting member fastens the mating portion to the body. The fasting member is not brought into contact with the housing at least in the front-rear direction.