Column Attachment Device Ferrule Pressing Plate Segmentation
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Solution Overview
Problem
Conventional column attachment devices face difficulties in removing the ferrule pressing part from the column after the ferrule is swagedly attached, as the ferrule gets caught or the column becomes an obstacle, preventing the ferrule pressing part from being extracted.
Innovation Solution
Incorporating a displacing mechanism with a pressing plate that can switch between contacting and non-contacting states, allowing the ferrule pressing part to be extracted while ensuring secure fixation by an urging member, facilitating easy removal and reattachment of the ferrule pressing part.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the ferrule pressing part is screwed in the ferrule receiving part to fix the ferrule, then the ferrule can be securely fixed to the column, but the ferrule pressing part cannot be removed from the column after the ferrule is swaged
Solution Approach 1:
The ferrule pressing part is divided into a pressing plate and a pressing part body. The pressing plate can be separated from the column by rotating it, while the pressing part body remains attached. This segmentation allows the fixation function to be maintained during analysis while enabling easy removal when needed.
Solution Approach 2:
The pressing plate is designed to be rotatable relative to the pressing part body, transforming the static fixed connection into a dynamic adjustable connection. By rotating the pressing plate, users can switch between a fixed state (for secure attachment) and a removable state (for easy detachment), resolving the contradiction between fixation reliability and removal ease.
2Reliability
If the ferrule pressing part is designed with screw threads for secure attachment, then the ferrule can be firmly fixed, but the structure becomes complex and difficult to remove
Solution Approach 1:
The pressing part is segmented into a pressing plate and a pressing part body connected by screw threads. The pressing plate can be independently rotated and removed, while the pressing part body remains with the column. This reduces overall structure complexity while maintaining attachment reliability.
Solution Approach 2:
The rotatable pressing plate introduces dynamic functionality that simplifies the overall system. Instead of a completely fixed rigid structure, the dynamic rotation capability allows easy removal without requiring complex disassembly procedures, reducing device complexity while maintaining reliability.
3Reliability
If the ferrule is swagedly attached to the column in a state where the tip end is inserted in the ferrule pressing part, then secure fixation is achieved, but the ferrule pressing part cannot be extracted due to the ferrule getting caught
Solution Approach 1:
By segmenting the pressing plate from the pressing part body, the invention allows the pressing plate to be rotated and removed independently. This enables extraction of the pressing plate without the ferrule getting caught, while the ferrule remains securely fixed to the column by the pressing part body.
Solution Approach 2:
The rotatable pressing plate provides a dynamic removal mechanism. When needed, the pressing plate can be rotated to disengage from the ferrule, allowing easy extraction without the ferrule getting caught. This dynamic mechanism resolves the contradiction between secure fixation and easy extraction.
Data Source
AI summary
A ferrule 10 is pressed by a pressing plate 35, and the ferrule 10 is thereby sandwiched and fixed between a ferrule receiving part 20 and ferrule pressing part 30. The pressing plate 35 is displaced by a displacing mechanism 350, whereby the pressing plate 35 is switched between a contacting state in which the pressing plate 35 is in contact with the ferrule 10 and a non-contacting state in which the pressing plate 35 is not in contact with the ferrule 10 and the ferrule 10 can pass thorough the inside of the ferrule pressing part 30. By displacement of the pressing plate 35 to the non-contacting state, the ferrule pressing part 30 can be extracted from the ferrule 10 side, and the ferrule pressing part 30 can therefore be removed from a column 2 in a state in which the ferrule 10 is attached in a swaged fashion.