Hinged Busbar Clip Structure for Higher Stay Retention
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Solution Overview
Problem
Existing clips for attaching busbars to automobile bodies have insufficient holding force, leading to potential displacement during crashes and increased parts and labor when multiple clips are used.
Innovation Solution
A clip design with a hinge-connected lid and multiple restricting surfaces that enhance stay retention by restricting movement in multiple directions, using a clip body with a stay holding part and lid that engage through protrusions and surfaces to improve holding force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of clips is increased to improve holding force, then the retention reliability is improved, but the device complexity and installation labor increase
Solution Approach 1:
The clip is divided into functionally distinct segments: a clip body for basic retention, a rotatable lid for reinforcement, and a hinge connecting them. This segmentation allows each part to perform its specific function optimally while maintaining overall simplicity.
Solution Approach 2:
The lid is designed to be rotatable relative to the clip body via the hinge, transitioning from an open to a closed position. This dynamic element allows the clip to adapt its holding force - the closed lid reinforces the retention by pressing against the stay holding part, while the open lid facilitates easier installation.
2Device complexity
If a single clip is used to reduce parts and labor, then the device complexity is reduced, but the holding force is insufficient
Solution Approach 1:
The clip merges multiple retention functions into a single integrated structure. The clip body provides base retention through the stay holding part, while the lid adds reinforcement when closed. The hinge enables coordinated action between these elements, creating a unified clip that delivers enhanced holding force without requiring multiple separate clips.
Solution Approach 2:
The lid adds a new dimensional aspect to the retention mechanism by introducing vertical movement (opening/closing) to the otherwise planar clip body. This additional degree of freedom allows the lid to apply reinforcing force from a different direction, enhancing the overall holding capability of the single clip.
Data Source
AI summary
A clip with improved stay retention comprises a clip body, a hinge connected to a hinge side of the clip body, and a lid rotatably connected to the clip body via the hinge can be opened and closed. The clip body includes a stay holding part defining a stay insertion hole with a stay locking claw. When the stay is inserted into the stay insertion hole, the stay locking claw locks the stay, The lid incudes a lid main body and a restricting part with a first restricting surface on the inside. The restricting part is connected to the hinge so that, when the lid main body is closed on the clip body, the first restricting surface abuts the stay holding part and presses the stay holding part toward the clip body and thereby restricts movement of the stay holding part in the direction tending to unlock the stay.