Pipeline Port Non-Return Structure for Pest Blocking and Easy Replacement
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Solution Overview
Problem
Existing non-return devices for pipeline ports are difficult to disassemble and have poor blocking efficacy against insects and mice due to their complex structure and vulnerability to tampering.
Innovation Solution
A non-return device with a limiting structure on the main body and/or non-return portion, allowing for easy separation and replacement of components without additional connecting structures, featuring sliding grooves and limiting bulges for stable positioning and through holes for drainage and pest prevention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a movable baffle connected through a rotating shaft is used, then the blocking effect against insects and mice is improved, but the device becomes difficult to disassemble and replace
Solution Approach 1:
The device is divided into separate components: a main body portion and a non-return portion that can be independently assembled and disassembled. The limiting structure enables easy separation while maintaining functional integrity, allowing the non-return portion to be replaced without affecting the main body.
2Stability of the object's composition
If additional connecting structures are added to secure the non-return portion, then the stability of the device is improved, but the device complexity and processing cost increase
Solution Approach 1:
The limiting structure integrates multiple functions into a single component design. The limiting protrusion and limiting groove work together as an inherent part of the main body and non-return portion, providing both connection and positioning functions without requiring separate fastening mechanisms.
Solution Approach 2:
The limiting structure serves multiple purposes: it connects the main body portion and non-return portion, provides stable positioning, and enables easy disassembly. This multi-functional design eliminates the need for additional specialized components.
3Ease of operation
If the non-return portion is made removable for easy replacement, then the ease of operation is improved, but the stability and positioning accuracy deteriorate
Solution Approach 1:
The limiting structure acts as an intermediary mechanism between the main body portion and non-return portion. It provides a controlled interface that ensures precise positioning when assembled while allowing easy separation when needed, mediating between the requirements for stability and ease of replacement.
Data Source
AI summary
Provided is a non-return device for a pipeline port, including a main body portion and a non-return portion. The main body portion is of a barrel-shaped structure provided with a channel, and the non-return portion is provided with a plurality of through holes, wherein the main body portion and/or the non-return portion is provided with a limiting structure, used to limit relative positions between the main body portion and the non-return portion. Provided with the limiting structure, the non-return device for a pipeline port provided by the present disclosure realizes mounting, fixation, and separation of the positions between the main body portion and the non-return portion and is conveniently disassembled and assembled. In addition, the non-return portion is not connected and fixed by arranging other connecting structures so the overall processing cost is relatively low.