Connector Housing with Internal Wire Holding Portion
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Solution Overview
Problem
Conventional connectors for wire harnesses in automobiles have an increased size due to the electric wire holding portion projecting outward, which is not ideal for downsizing and protection.
Innovation Solution
A connector design featuring a tube-shaped housing with a front holder that includes an electric wire holding portion and a locking portion, where the electric wire holding portion is positioned inside the tube-shaped housing when the locking portion is engaged, reducing the connector's size and providing protection by blocking external access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electric wire holding portion is provided to stand in the direction away from the connector housing, then the electric wire can be held securely, but the outermost shape is defined by the electric wire holding portion which causes an increase in size
Solution Approach 1:
The electric wire holding portion is nested inside the connector housing rather than projecting outward. The holding portion is positioned within the housing boundaries, creating a compact integrated structure that eliminates the need for external projection while maintaining wire holding functionality through internal positioning and engagement mechanisms.
2Ease of operation
If the electric wire holding portion projects outward from the connector housing, then the electric wire is accessible for connection, but the electric wire holding portion is exposed and vulnerable to external damage
Solution Approach 1:
The electric wire holding portion is nested within the protective enclosure of the connector housing, shielding it from external harmful factors such as dust, moisture, and physical damage. The housing acts as a protective barrier while the holding portion remains functional through controlled access points or opening mechanisms that maintain protection during operation.
Data Source
AI summary
A connector for device is configured to be attached to a device housing including a hole and configured to hold an electric wire inserted into the hole, and the connector for device includes a tube-shaped housing into which the electric wire is inserted and which is configured to be inserted into one end of the hole of the device housing, and a front holder configured to be engaged with one end of the tube-shaped housing, wherein the front holder includes an electric wire holding portion to which the electric wire is held, and a locking portion that is continuous with the electric wire holding portion and configured to be engaged with the tube-shaped housing, and wherein the electric wire holding portion is positioned inside the tube-shaped housing in a state where the locking portion is engaged with the tube-shaped housing.