Threaded Dishwasher Support Stopper for Transport Stability
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Solution Overview
Problem
Dishwashers often suffer damage during transportation due to the support mechanism becoming loose, which is not securely fixed within a certain range.
Innovation Solution
A dishwasher design featuring a coupling portion with a hollow shaped coupling hole and first threads, along with a support having second threads engaged with the first threads, and a stopper protruded at a groove of the second thread to prevent the support from being excessively inserted or detached, ensuring secure positioning and easy adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the support is made loosely insertable into the coupling hole, then the ease of operation for height adjustment is improved, but the support may become loose during transportation causing damage
Solution Approach 1:
The stopper is pre-formed on the support at a specific position before installation. When the support is inserted into the coupling hole, the stopper automatically engages with the inner wall of the coupling hole at a predetermined depth, preliminarily establishing the engagement depth and preventing further insertion. This preliminary action ensures the support remains securely positioned during transportation while still allowing easy removal and repositioning for height adjustment by simply pulling the support out and reinserting it to the desired depth.
2Reliability
If the support is made securely fixed within a range, then the support stability during transportation is improved, but the ease of operation for height adjustment deteriorates
Solution Approach 1:
The coupling hole is designed with segmented threading features - first threads formed on the inner wall of the coupling hole that engage with second threads on the outer circumference of the support. This segmentation allows the support to be securely fixed at specific intervals when threaded engagement is desired for stable positioning during transportation, while still maintaining the ability to easily adjust height by disengaging and repositioning the support to different thread engagements or removing the stopper entirely.
3Reliability
If the support can be inserted deeply into the coupling hole, then the support stability is improved, but the risk of damage during transportation increases due to loose supports
Solution Approach 1:
The stopper is designed to protrude from the support and engage with the inner wall of the coupling hole at a predetermined position before the support can become loose during transportation. This preliminary anti-action prevents the support from moving or becoming loose by providing a mechanical stop that counteracts any forces that might cause the support to work loose, thereby eliminating the harmful effect of support movement while still allowing deep insertion for stable positioning when needed.
Data Source
AI summary
A dishwasher is disclosed, which comprises a cabinet; a base forming a lower portion of the cabinet; and a support coupled to a coupling portion provided in the base, supporting the cabinet, wherein the coupling portion includes a hollow shaped coupling hole; and a plurality of first threads formed in the coupling hole, and the support includes a plurality of second threads engaged with the first threads; and a stopper formed to be protruded at a groove of the second thread.