Level Device Curved Wall Magnification Dirt Prevention
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Solution Overview
Problem
Existing level devices, particularly vertical ones, face challenges in achieving sufficient optical magnification for improved readability and are prone to dirt accumulation due to design limitations, which restricts their accuracy and usability, especially in overhead operations.
Innovation Solution
A level device with a cylindrical cavity and a carrier body featuring curved outside walls for optical magnification, produced in one piece via injection molding, eliminating the need for separate covers and reducing the risk of dirt accumulation by ensuring flat surfaces during installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the level device body is made with a lens-shaped configuration to achieve optical magnification, then the readability is improved, but dirt accumulates in the depression formed during installation
Solution Approach 1:
The patent applies curvature to the outside wall of the level device body, specifically creating a curved region that provides optical magnification when viewing the marking body through the carrier body cover. This curved region is designed to achieve the magnification effect without creating a depression that would trap dirt, thereby resolving the contradiction between readability improvement and dirt accumulation prevention.
2Reliability
If separate covers are used to enclose the level device body, then protection is provided, but the device complexity increases and dirt can accumulate at interfaces
Solution Approach 1:
The patent merges the level device body and the carrier body into a single integrated structure produced in one piece via injection molding. This eliminates the need for separate covers and assembly interfaces, thereby reducing device complexity while maintaining protection and preventing dirt accumulation at interfaces between separate components.
Solution Approach 2:
The integrated carrier body structure serves multiple functions simultaneously: it provides protection for the level device body, enables optical magnification through its curved design, and eliminates the need for separate covers. This multi-functionality resolves the contradiction between protection and device complexity.
3Ease of manufacture
If the level device body has a cuboidal configuration, then manufacturing is simplified, but the viewing angle is restricted and edges interfere with reading
Solution Approach 1:
The patent introduces a curved region in the outside wall of the level device body, transitioning from a purely cuboidal configuration to one with curved surfaces. This curvature eliminates edge interference with reading, provides optical magnification, and improves the viewing angle for overhead operations, while still maintaining ease of manufacture through injection molding processes.
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 solution enhances readability through effective optical magnification and prevents dirt deposition, improving the accuracy and usability of level devices, especially in vertical applications, while simplifying production and reducing mechanical post-treatment needs.
Implementation Method 1
an outside wall of the level device body has a curved region, by which a magnifying lens effect can be achieved when viewing a marker body which can be arranged in the cavity
Data Source
AI summary
A level device for a spirit level includes a level device body, and a substantially cylindrical cavity formed by an inside wall of the level device body. The cavity has a longitudinal axis and serves to accommodate a liquid, and the level device body is arranged in a carrier body. The carrier body includes two transparent covers for closing the carrier body and preferably includes a casing body which is preferably in the form of a circular ring. An outside wall of the level device body has a curved region with a curvature in the longitudinal direction relative to the longitudinal axis of the cavity, by which a magnifying glass effect can be achieved when viewing a marker body which can be arranged in the cavity.