Spring-Centered Click Mechanism for Uniform Moderation Feel
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Solution Overview
Problem
The existing moderation feeling adding apparatus for wind direction adjusting apparatuses faces difficulties in assembly due to a small clearance between the plunger and the holding hole, resulting in a challenging insertion process and insufficient stroke width, which affects the generation of a satisfactory striking sound and moderation feeling.
Innovation Solution
A moderation feeling adding apparatus with a holding section that regulates the spring's position and maintains equal clearance between the contact section and the wall portion on both sides, allowing for easier assembly and uniform sound generation by ensuring the spring is held in a central position within a hole with a tapered recessed portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the clearance between the holding hole and the plunger is reduced to prevent lateral shifting of the spring, then the spring stability is improved, but the assembly difficulty increases and the stroke width decreases
Solution Approach 1:
A guide groove is introduced as an intermediary structure between the holding hole and the plunger. The guide groove provides lateral guidance to the plunger during insertion, allowing for a larger clearance while preventing lateral shifting of the spring. This mediator structure enables both easy assembly (larger clearance) and spring stability (lateral constraint through guide groove).
2Stability of the object's composition
If the clearance between the holding hole and the plunger is reduced to prevent spring lateral shifting, then the spring stability is improved, but the stroke width of the swing motion decreases
Solution Approach 1:
The guide groove acts as a mediator that separates the functions of lateral constraint and stroke provision. By providing lateral guidance through the guide groove structure, the plunger can have a larger clearance from the holding hole, thereby maintaining spring stability while allowing sufficient stroke width for adequate swing motion and striking sound generation.
3Ease of operation
If the clearance between the contact section and the wall portion is increased to improve assembly ease, then the assembly ease is improved, but the sound generation uniformity deteriorates
Solution Approach 1:
The guide groove is designed with asymmetric dimensions: a larger clearance in the insertion direction (improving assembly ease) and a smaller clearance in the lateral direction (maintaining sound generation uniformity). This asymmetric design allows the plunger to move freely during assembly while constraining lateral shifting during operation, ensuring uniform contact with the wall portion for consistent sound generation.
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 design facilitates easy assembly, secures a substantial stroke for sound generation, and provides a uniform and loud moderation feeling by maintaining equal clearance on both sides, enhancing the overall operation experience.
Implementation Method 1
a pin hits the support member by a biasing force of the spring
Implementation Method 2
the contact section moved by a biasing force of the spring as a contact state between the contact section and the operation section changes due to an operation of the operation section
Data Source
AI summary
A base section can operate to one side and the other side in a predetermined direction. A contact section is attached to a spring and can be in contact with the base section. A holding section holds the spring. A wall portion faces the contact section in the predetermined direction, and generates a sound which becomes a moderation feeling by a collision between the wall portion and the contact section moved by a biasing force of the spring as a contact state between the contact section and the base section changes due to an operation of the base section. The holding section regulates a position of the spring at least in a predetermined direction. A clearance between the contact section and the wall portion is substantially equal on the one side and the other side in the predetermined direction.