Bus Bar Assembling Structure with Nested Pushing Portions
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Solution Overview
Problem
The existing bus bar assembling process for electronic component blocks in electrical connection boxes is labor-intensive due to the need for individual assembly of multiple bus bars, which decreases workability.
Innovation Solution
A bus bar assembling structure that includes a resin block main body with a first bus bar and a second bus bar, where the first bus bar has a bent piece pushing portion with a through hole or notch, and the second bus bar has a corresponding pushing portion that can be inserted into the first bus bar's feature, allowing for simultaneous assembly of both bus bars into the block main body, enhancing workability and providing a heat dissipation function.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple bus bars are assembled individually into the block main body, then each bus bar can be precisely positioned and secured, but the number of assembly steps increases and workability decreases
Solution Approach 1:
The patent combines multiple bus bars (first bus bar and second bus bar) into a single integrated assembly unit. The first bus bar includes a pushing portion with a through hole, and the second bus bar includes a pushing portion that fits into this through hole, allowing both bus bars to be pushed into the block main body simultaneously through a single assembly operation. This merging of multiple assembly steps into one improves productivity while maintaining positioning precision through the integrated pushing mechanism.
2Ease of operation
If the bus bar pushing portion is enlarged to facilitate assembly, then assembly ease is improved, but the bus bar structure becomes more complex
Solution Approach 1:
The patent applies the nesting principle by having the second bus bar's pushing portion inserted into the through hole of the first bus bar's pushing portion. This nested configuration allows the pushing portions to be enlarged for easier assembly while maintaining a compact overall structure. The nested design enables the enlarged pushing surfaces to be utilized without proportionally increasing the complexity of the bus bar structure, as the portions are integrated through the hole-and-insert configuration.
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
This solution reduces the number of assembly steps required, improving workability and enabling easier assembly of bus bars, while also utilizing the enlarged pushing portion for heat dissipation, resulting in a more efficient and effective assembly process.
Implementation Method 1
the first bus bar and the second bus bar can be collectively assembled in the bus bar assembling portion by pushing the first pushing portion and the second pushing portion simultaneously at the same position
Implementation Method 2
since the first pushing portion is enlarged, the enlarged first pushing portion can be utilized as a portion for heat dissipation. In other words, the first pushing portion can have a function as a heat dissipating portion
Data Source
AI summary
A bus bar assembling structure includes a resin block main body for an electronic component block, a first bus bar, and a second bus bar. The resin block main body includes a bus bar assembling portion. The first bus bar and the second bus bar are accommodated in the bus bar assembling portion. The first bus bar has a first pushing portion that is pushed when the first bus bar is accommodated in the bus bar assembling portion, the first pushing portion being a bent piece. The first pushing portion has a through hole or a notch. The second bus bar has a second pushing portion that is inserted into the through hole or the notch and is disposed at a position corresponding to a position of a pushed surface of the first pushing portion.