Fruit Fly Trap With Segmented Inlet Pipes

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Solution Overview

Problem

Existing fruit fly traps are ineffective in attracting and killing fruit flies, allowing them to escape and fail to provide a healthy living environment due to their design flaws.

Innovation Solution

A fruit fly trap comprising a flowerpot with a cover plate and flypapers, featuring lengthened inlets forming pipes to trap flies and a novel bracket system with V-shaped flypapers and artificial leaves for effective capture and killing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the inlet is designed as a simple opening, then the structure is simple, but the fruit fly can escape easily

Engineering Contradiction:
Improveinlet structureVSAvoidfruit fly containment
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The inlet is divided into multiple segments: the inlet opening on the cover plate, the inlet pipe extending into the flowerpot, and the inlet hole in the side wall. This segmentation creates a multi-stage trapping mechanism where flies enter through the opening, travel down the pipe, and become trapped when they cannot escape through the angled configuration, resolving the contradiction between structural simplicity and containment reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The inlet pipe is designed to extend downward at an angle rather than straight down, creating an inverted trap configuration. Flies enter easily but cannot escape because the angled pipe directs them toward the attractant and the flypaper positioned above, effectively reversing the expected escape path and improving containment reliability.

Inventive Principle:
Principle #13The other way round (Inversion)

2Ease of operation

If the flypaper is positioned far from the inlet, then flies have more space to move, but flies can escape more easily

Engineering Contradiction:
Improvefly movement spaceVSAvoidfruit fly capture
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The inlet pipe acts as an intermediary element between the inlet opening and the flypaper. It guides flies downward and positions them strategically near the attractant and flypaper, ensuring they are captured effectively while still providing sufficient movement space within the flowerpot interior.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Device complexity

If the cover plate is loosely mounted, then the structure is simple, but the cover plate may not seal properly

Engineering Contradiction:
Improvecover plate mountingVSAvoidcover plate sealing
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The mounting structure provides localized support at specific points around the cover plate perimeter rather than requiring complete sealing around the entire edge. This local quality approach maintains structural simplicity while ensuring adequate sealing at critical points to prevent fly escape.

Inventive Principle:
Principle #3Local quality

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

The trap effectively attracts and kills fruit flies, preventing escape and ensuring a healthy living environment by using a simple and novel structure with a reasonable design.

Implementation Method 1

a flowerpot (1) for storing attractants

Methodology Applied
Scientific EffectChemical signal emission:

Implementation Method 2

a plurality of flypapers (3) for sticking the fruit fly

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentUS11576363B2Fruit fly trap
Publication Date: 2023.02.14 TIAN YUMEI
  • US11576363B2 patent drawing
  • US11576363B2 patent drawing
  • US11576363B2 patent drawing

AI summary

The invention discloses a fruit fly trap comprising a flowerpot, a cover plate and flypaper, wherein the cover plate is provided with a plurality of inlets for allowing the fruit fly to enter the interior of the flowerpot, each inlet respectively extends towards a bottom direction of the flowerpot to form a lengthened inlet pipe, and the flypaper is mounted on the cover plate by a bracket. According to the invention, the fruit fly can be attracted into the interior of the flowerpot, the lengthened inlet pipe makes the fruit fly difficult to escape until death, the flypaper can stick the flying fruit fly, and the fruit fly can be effectively attracted and killed.