Fuse Puller Accommodating Structure for Noise-Free Junction Boxes
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Solution Overview
Problem
The existing fuse puller accommodating structures in electrical junction boxes generate abnormal noises due to instability between the puller main body and the puller accommodating section, caused by a gap between the puller side protrusion and the accommodating side protrusion.
Innovation Solution
A fuse puller accommodating structure with a bottomed-tubular puller accommodating section, puller side protrusions that cross over and lock with accommodating side protrusions, and pushing-up sections that bias the puller main body to eliminate the gap between the protrusions, ensuring a secure fit and reducing noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the puller main body is accommodated in the puller accommodating section with the puller side protrusion locked to the accommodating side protrusion, then the fuse puller is always available and easily accessible, but a gap is caused between the protrusions leading to instability and abnormal noise generation
Solution Approach 1:
A pushing-up section is introduced as an intermediary component between the puller main body and the accommodating section. This pushing-up section actively maintains contact between the puller side protrusion and accommodating side protrusion, eliminating the gap that causes instability and noise while preserving the locked-state accessibility benefits
Solution Approach 2:
The system transitions from a passive locked state with potential gaps to an active maintained contact state. The pushing-up section dynamically adjusts the positional parameter of the puller main body to ensure continuous contact between protrusions, eliminating instability without affecting accessibility
2Device complexity
If the puller side protrusion is locked to the accommodating side protrusion without additional support, then the structure is simple, but instability occurs due to gaps causing abnormal noise
Solution Approach 1:
The pushing-up section serves as a mediator that eliminates the harmful gap between protrusions. This additional component is strategically placed to maintain contact and prevent noise generation, adding minimal complexity while effectively resolving the harmful factor
Solution Approach 2:
The pushing-up section is designed to automatically maintain contact between the protrusions through its elastic or mechanical properties. Once installed, it self-regulates to eliminate gaps and prevent noise without requiring external intervention or complex control mechanisms
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
The solution effectively suppresses abnormal noise generation by eliminating instability between the puller main body and the accommodating section, providing a secure and quiet operation during the accommodation of the fuse puller.
Implementation Method 1
a pushing-up section provided at a bottom of the puller accommodating section, wherein the pushing-up section is configured to bias a forward end of the puller main body accommodated in the puller accommodating section in a pushing-up direction
Data Source
AI summary
A fuse puller accommodating structure includes a puller main body, a puller accommodating section, an accommodating side protrusion provided within the puller accommodating section, a puller side protrusion provided on the puller main body, wherein the puller side protrusion is configured to be locked to the accommodating side protrusion, and a pushing-up section provided at a bottom of the puller accommodating section, wherein the pushing-up section is configured to bias a forward end of the puller main body accommodated in the puller accommodating section in a pushing-up direction in order to push the puller side protrusion against the accommodating side protrusion, wherein the forward end is oriented forward with respect to an inserting direction, and wherein the pushing-up direction is opposite to the inserting direction.