Electrical Junction Box With Interchangeable Attachment Bracket
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Solution Overview
Problem
Conventional electrical junction boxes with integrally formed attachment brackets are inflexible and require multiple types to accommodate various vehicle attachment forms, leading to low productivity due to the need for different-sized brackets for each form.
Innovation Solution
An electrical junction box design featuring a dismountable attachment bracket with grooves that form a continuous third groove when properly mounted, allowing for interchangeable brackets and a sliding lock mechanism to ensure proper assembly, with protrusions on the lower cover fitting into the groove to prevent improper mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an attachment bracket is integrally formed on the box body, then the structure is simple and strong, but it is impossible to apply only one type of electrical junction boxes to all vehicles having various attachment forms
Solution Approach 1:
The attachment bracket is separated from the box body as an independent, interchangeable component. Instead of being integrally formed, the bracket can be detached and replaced with different types to match various vehicle attachment forms. This segmentation allows the box body to remain standardized while adapting to different mounting requirements through bracket substitution.
Solution Approach 2:
A single standardized box body design is created that can accommodate multiple types of attachment brackets. The box body serves as a universal platform that works with different bracket configurations, enabling one type of junction box to be applied to all vehicles regardless of their specific attachment form requirements.
2Reliability
If different types of electrical junction boxes are prepared for individual attachment forms, then each type fits its specific vehicle, but productivity decreases due to low production efficiency
Solution Approach 1:
By dividing the attachment bracket into a separate, interchangeable component, the system enables standardized mass production of the box body while maintaining vehicle-specific compatibility through bracket selection. This segmentation resolves the conflict between production efficiency and proper fit.
Solution Approach 2:
The invention changes the parameter of bracket configuration while keeping the box body standardized. Instead of producing different box body types, the system varies the bracket parameters (size, shape, mounting features) to match different vehicle attachment forms, thereby maintaining high production efficiency while ensuring proper fit.
3Adaptability or versatility
If the attachment bracket is dismountable, then flexibility and productivity increase, but the fixing strength may be reduced compared to integral formation
Solution Approach 1:
The attachment bracket is designed with pre-configured mounting features and attachment mechanisms that ensure proper alignment and secure fixation before the actual mounting process. This preliminary design of the bracket structure enables strong fixing while maintaining dismountability and interchangeability.
Data Source
AI summary
An electrical junction box includes a box body provided with a first groove; an attachment bracket provided with a second groove; and a lower cover provided attached to the bottom surface of the box body. When the attachment bracket is properly mounted on the box body, the first and second grooves are arranged to form a single continuous third groove. A protrusion is provided on the lower cover and fits to the third groove.