Transparent Measuring Cup Reinforcement for Waste Oil Extraction

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Solution Overview

Problem

Existing transparent measuring cups for waste oil extraction machines in automotive maintenance are prone to breaking under high suction pressures due to their organic glass composition and design.

Innovation Solution

A measuring cup with a cone-shaped top, water-drop-shaped bulges, and longitudinal grooves on an organic glass body, featuring an explosion-proof valve connecting hole, negative-pressure meter mounting hole, and pull-rod insertion holes, where the upper gland and cup body are integrated for enhanced sealing and strength.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If a transparent measuring cup made from organic glass is used, then transparency and visibility are improved, but the cup body becomes fragile and prone to breaking under high suction pressure

Engineering Contradiction:
ImprovetransparencyVSAvoidbreaking resistance
Core Design Contradiction:
Illumination intensityVSStrength

Solution Approach 1:

The patent changes the geometric parameters of the cup body by adding a cone-shaped top portion and multiple reinforcing ribs on the outer surface. These structural parameter changes increase the moment of inertia and distribute stress more effectively, allowing the organic glass material to withstand higher negative pressures while maintaining transparency.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite structural design by integrating the cone-shaped top portion with the cylindrical body, and adding reinforcing ribs that act as structural enhancers. This composite approach combines the transparency of organic glass with geometric reinforcement elements that provide mechanical strength without compromising visibility.

Inventive Principle:
Principle #40Composite materials

2Illumination intensity

If the cup body is made from organic glass, then transparency is improved, but the sealing reliability deteriorates under great suction

Engineering Contradiction:
ImprovetransparencyVSAvoidsealing effect
Core Design Contradiction:
Illumination intensityVSReliability

Solution Approach 1:

The patent modifies the geometric parameters at the sealing interface by designing a flange structure with specific thickness and diameter ratios. The flange provides a larger sealing surface area and distributes the suction pressure more evenly, improving sealing reliability while the organic glass material maintains transparency.

Inventive Principle:
Principle #35Parameter changes

3Strength

If a solid cup structure is used, then breaking resistance is improved, but transparency and visibility are lost

Engineering Contradiction:
Improvebreaking resistanceVSAvoidtransparency
Core Design Contradiction:
StrengthVSIllumination intensity

Solution Approach 1:

The patent applies parameter changes by optimizing the wall thickness distribution and adding geometric reinforcement elements (cone-shaped top, reinforcing ribs) that increase structural strength without requiring solidification of the material. The organic glass remains transparent while the geometric parameters provide enhanced breaking resistance.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS8794064B2Measuring cup for waste oil extraction machine
Publication Date: 2014.08.05 GUANGZHOU BALANCE MACHINERY CO LTD
  • US8794064B2 patent drawing
  • US8794064B2 patent drawing

AI summary

A measuring cup for a waste oil extraction machine is disclosed in the present invention, comprising an organic glass made cup body (1) provided with an explosion-proof valve connecting hole (11), a negative-pressure meter mounting hole (12) and several pull-rod insertion holes (13) thereon; the top of the cup body (1) is in a cone shape; the cup body (1) is further provided with several water-drop-shaped bulges (14) projecting outwardly and longitudinal grooves (15) on the outer surface thereof; the bulges (14) and the grooves (15) can effectively improve strength of the cup body (1).