Excentric Rope Guidance in Sliding Mosquito Net Bottom Rail
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Solution Overview
Problem
In existing anti-mosquito net systems with pleated nets, the lower bundle of ropes passing through the horizontal guide is exposed to rainwater, dust, and user steps, leading to rope degradation, blockage, and system failure, requiring complete system replacement.
Innovation Solution
The lower bundle of ropes is rerouted to border the internal lateral wall of the lower horizontal guide using pulleys, altering its course and preventing exposure to water and debris, and is secured within the guide to avoid contact with the floor and steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the lower bundle of ropes passes through the horizontal guide in a straight way, then the structure is simple, but rainwater enters the guide and causes rope rot
Solution Approach 1:
The rope bundle is rerouted from a straight horizontal path to a three-dimensional path that utilizes the vertical dimension by bordering the lateral wall of the guide. This dimensional change allows the rope to avoid contact with the floor of the guide where water accumulates, thereby preventing rot while maintaining structural simplicity.
Solution Approach 2:
The lateral wall of the horizontal guide serves as an intermediary element that redirects the rope bundle away from the water-prone floor area. By using the existing lateral wall as a mediator, the system protects the rope from water exposure without requiring additional protective components.
2Device complexity
If the lower bundle of ropes passes through the horizontal guide in a straight way, then the structure is simple, but user steps can cut the rope
Solution Approach 1:
The rope bundle is repositioned from a horizontal trajectory to a three-dimensional path along the lateral wall, elevating it above the level where user steps occur. This dimensional repositioning removes the rope from the hazard zone of stepping, preventing cuts while maintaining guidance functionality.
3Device complexity
If the lower bundle of ropes passes through the horizontal guide in a straight way, then the structure is simple, but dust and garbage accumulate inside the guide
Solution Approach 1:
The rope bundle is routed along the lateral wall of the guide in a three-dimensional path, separating it from the floor area where dust and garbage accumulate. This spatial separation prevents debris from contacting and contaminating the rope, maintaining cleanliness and functionality.
4Device complexity
If the lower bundle of ropes passes through the horizontal guide in a straight way, then the structure is simple, but the net blocks and the sliding guide cannot move
Solution Approach 1:
The rope bundle is repositioned along the lateral wall to eliminate obstruction of the guide's movement path. By removing the rope from the central horizontal path, the sliding guide can move freely without blocking, restoring full mobility and operational ease.
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 prevents rope rot, damage from steps, and accumulation of debris, ensuring the anti-mosquito net system remains functional without needing full replacement.
Implementation Method 1
uses pulleys, which alter the course of the rope from the current state of the art
Data Source
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AI summary
The invention is a rope movement system for anti-mosquito pleated net (7), moving horizontally. It consists of a terminal accessory (19) at the lower end of the sliding guide (10), carrying a transit pulley (17), a direction pulley (18) and a sliding pulley (23), as well as a terminal accessory (21) at the lower end of the fixed lateral guide (14), carrying a lateral entrance socket (25) of the unified bundle (16) formed by the short ropes crossing over the net (7). The invention applies to the existent anti-mosquito systems by replacing the accessory located at the lower end of the sliding guide (10) and the accessory located at the lower end of the lateral fixed guide (14).