Junction Box Dual-Opening Design for Connector Access
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Solution Overview
Problem
Conventional electrical junction boxes face challenges in efficiently attaching conductors to connectors due to narrow spaces, leading to prolonged production times when mounted in vehicles with specific dimensions.
Innovation Solution
The design includes a housing box with an insertion port and an opposite opening having the same axial direction, allowing for easy insertion of a connector and an attachment tool, such as a driver, to facilitate quick attachment of conductors to the connector, utilizing a rising portion on the outer shell plate and an attachment member like a screw.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the connector is disposed in a place where the space for attaching the conductor is narrow, then the electrical junction box can meet vehicle mounting specifications, but the conductor cannot be easily attached to the connector
Solution Approach 1:
The housing box is designed with two openings: a first opening for inserting the connector and a second opening (opposite to the first) for inserting the attachment tool. This dimensional arrangement allows the attachment tool to access the connector from the opposite direction, enabling conductor attachment even when space around the connector is narrow. The opposite opening provides a new access dimension that resolves the spatial constraint.
2Adaptability or versatility
If the connector is disposed in a place where the space for attaching the conductor is narrow, then the electrical junction box can meet vehicle mounting specifications, but the time required for production is long
Solution Approach 1:
By providing a second opening opposite to the first opening, the design enables attachment tools to access connectors from the opposite direction. This dimensional change allows for efficient conductor attachment without requiring additional manual manipulation in narrow spaces, thereby reducing production time while maintaining adaptability to vehicle mounting specifications.
3Device complexity
If the housing box has only one opening for connector insertion, then the structure is simple, but the attachment tool cannot be easily inserted to attach conductor
Solution Approach 1:
The housing box is designed with two openings positioned opposite to each other: a first opening for connector insertion and a second opening for attachment tool insertion. This opposite-opening configuration allows the attachment tool to access the connector from the opposite direction, enabling easy conductor attachment while maintaining relatively simple box structure.
Solution Approach 2:
The two openings in the housing box serve different functions: one for connector insertion and the other for attachment tool insertion. This multi-functional design allows the same housing structure to facilitate both connector mounting and conductor attachment operations efficiently, improving ease of operation without significantly increasing structural complexity.
Data Source
AI summary
Provided are an electrical junction box for which the time required for production is short, and a method for manufacturing the electrical junction box. An electrical junction box houses an electric device. A plurality of external devices are connected to each other via the electric device housed in the electrical junction box. The electrical junction box includes a housing box and a connector. The housing box is provided with an insertion port 40 into which the connector is inserted, and an opposite opening that is opposite to the insertion port. The insertion port and the opposite opening have the same axial direction. Inside the housing box, a component can be attached to the connector.