Plug Insertion Guide for Airtight Through-Hole Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing plug attaching technologies for sealing targets, such as secondary batteries, often result in reduced airtightness due to the plug coming off the workpiece when the jig is removed, leading to suboptimal sealing performance.
Innovation Solution
A plug attaching device with an insertion pin and guide portion that allows for reliable attachment of a cylindrical plug with a non-through hole into a through hole, ensuring the plug remains securely in place by using a columnar large-diameter and small-diameter portion configuration, and a restriction portion to prevent the plug from falling inside the target, enhancing airtightness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the first jig is removed from the hole of the plug body after the stopper comes into contact with the surface of the workpiece, then the attachment process is completed, but the plug body may come off the opening of the workpiece together with the first jig, reducing airtightness
Solution Approach 1:
The guide portion is positioned on the periphery of the opening before the insertion pin is inserted into the hole. This preliminary positioning ensures that when the insertion pin is later removed, the guide portion remains in place to prevent the plug body from coming off, thus maintaining airtightness while allowing efficient removal of the insertion pin
Solution Approach 2:
The guide portion acts as an intermediary element between the insertion pin and the opening. It guides the insertion pin during attachment and then serves as a retaining structure that prevents the plug body from being accidentally removed, thereby ensuring airtightness without interfering with the attachment efficiency
2Ease of operation
If the insertion pin is pushed into the non-through hole to attach the plug into the through hole, then the attachment is simplified, but additional guide mechanism is needed to prevent plug removal
Solution Approach 1:
The guide portion serves multiple functions: it guides the insertion pin during the attachment process and then acts as a retaining structure to prevent the plug body from being removed. This multi-functionality simplifies the overall attachment process while avoiding the need for separate complex retention mechanisms
3Reliability
If the guide portion is detached from the opening after removing the insertion pin, then the airtightness is maintained, but the process requires precise sequencing
Solution Approach 1:
The guide portion is designed to be dynamically positioned - placed on the periphery of the opening before insertion pin insertion, and then removed after insertion pin removal. This dynamic sequencing ensures airtightness is maintained during the critical period when the insertion pin is being removed, while allowing efficient process flow
Data Source
AI summary
A technology capable of sealing a target with higher airtightness is provided. The plug attaching device disclosed herein is for attaching, to a through hole of a target, a cylindrical plug having therein a non-through hole that has an opening in one end surface. The device includes an insertion pin, and a guide portion. The guide portion is slidable in the axial direction of the insertion pin. This device is configured such that the plug is disposed inside the through hole, the insertion pin is pushed into the non-through hole with the guide portion disposed on the periphery of the opening to attach the plug into the through hole, and after the attachment, the insertion pin is moved in an opposite direction to the non-through hole to remove the insertion pin from the non-through hole, and the guide portion is then detached from the opening.