Triangular Ruler With Rotating Extended Arm For Long-Distance Measurement
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Solution Overview
Problem
Conventional triangular rulers are limited in measuring longer lengths, different angles, and trapezoids, requiring additional tools and failing to effectively utilize the longest bevel angle edge for measurements.
Innovation Solution
An extended triangular ruler with a rotating and adjustable extended ruler component on the right-angle edge, featuring angle scale lines, matching rotating holes, and an adjustment mechanism with a clamping column and elastic protrusion for secure angle measurement and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional triangular ruler is used, then it can measure basic angles and short lengths, but it cannot effectively measure longer lengths, different angles, or trapezoids
Solution Approach 1:
The ruler is divided into a fixed triangular ruler body and a detachable extended ruler component. The extended ruler can be attached when longer measurement is needed and detached when not needed, allowing the device to adapt to different measurement requirements while maintaining a simple base structure.
Solution Approach 2:
The extended ruler is designed to be rotatable relative to the triangular ruler body through rotating holes and elastic protrusions. This dynamic configuration allows the extended ruler to be positioned at different angles and lengths, enabling measurement of various angles and trapezoids while maintaining structural simplicity through a single movable component.
2Length of moving object
If an extended ruler is added to enable long-distance measurement, then measurement range is improved, but device complexity increases
Solution Approach 1:
The extended ruler is designed to be stored within or alongside the triangular ruler body when not in use. The rotating holes and elastic protrusion mechanism allow the extended ruler to be compactly positioned when retracted, minimizing the increase in device complexity while maximizing the measurement length capability when extended.
Solution Approach 2:
The extended ruler incorporates rotating holes that allow it to pivot and extend dynamically. This mechanical design enables the ruler to achieve extended measurement lengths through rotation and extension movements rather than requiring a permanently extended structure, thereby controlling device complexity.
3Adaptability or versatility
If the extended ruler is made rotatable for angle measurement, then adaptability is improved, but stability during measurement deteriorates
Solution Approach 1:
The elastic protrusions are pre-positioned within the rotating holes to automatically engage and lock the extended ruler at specific angles. This preliminary positioning mechanism ensures that once the extended ruler is rotated to the desired angle, it is automatically stabilized by the elastic protrusion engagement, preventing movement during measurement.
Solution Approach 2:
The elastic protrusion mechanism automatically locks the extended ruler in place through its own elastic deformation and engagement with the rotating holes. This self-locking feature provides measurement stability without requiring additional external fixing mechanisms, maintaining adaptability while ensuring stability during use.
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
Enables long-distance measurement, secure angle and trapezoid measurement by forming included angles with the bevel edge, and facilitates easy storage and handling through the adjustment mechanism.
Implementation Method 1
one end of the extended ruler is provided with the arc-shaped groove that matches with the elastic protrusion
Data Source
AI summary
A triangular ruler includes a triangular ruler body; a right-angle edge of the triangle ruler body is provided with an extended ruler, and the outer side of the extended ruler is provided with the angle scale line, the interior of the triangle ruler body and the extended ruler are both provided with matching rotating holes, and the adjustment part is provided at the connection between the triangle ruler body and the extended ruler. When measuring long distances, by rotating the extended ruler until coincides with the right-angle edge of triangle ruler body, the extended ruler and the triangle ruler body are combined for long-distance measurement.