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Flat angle detection rule

An angle detection and plane technology, applied in the field of measuring equipment, can solve the problems of inconvenient viewing, heavy weight, and inconvenient carrying, and achieve the effect of easy portability, light weight, and convenient viewing

Inactive Publication Date: 2008-12-10
ADOLESCENT SCI & TECH GUIDE STATION BAOSHAN DISTRICT SHANGHAI CITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, there are many kinds of tools for measuring plane angles, and all kinds of tools have the disadvantages of being expensive, heavy, and inconvenient to carry, and cannot measure the value of the degree. The hole is very small, it is very inconvenient to see

Method used

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Embodiment Construction

[0007] The present invention will be further described below in conjunction with drawings and embodiments.

[0008] see figure 1 Shown, a kind of plane angle detection ruler comprises vertical mark 6, rope 1, is characterized in that, is made up of 45 ° of right-angled triangular plate 2 and vertical mark 6, rope 1, and described 45 ° of right-angled triangular plate 2 is with the center of perpendicular The point is the center of the circle, the upper end of the rope 1 is fixedly connected, the lower end of the rope 1 is fastened to the vertical mark 6, and the arc line 7 with a radius smaller than the center of the circle to the measurement side 5 is made at the center of the circle, and the junction of the arc line 7 and the vertical line The position is 0°, and the left and right sides of the circular arc line 7 are respectively extended to 90°. The circular arc line 7 has a built-in scale line 3, and a value 4 is placed beside the scale line 3.

[0009] Such as figure 1...

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Abstract

The invention relates to a measuring appliance, in particular to a plane angle detection ruler, comprising a vertical standard and a rope. The plane angle detection ruler is characterized in that the measuring appliance comprises a 45 degrees right angle set square, a vertical standard and a rope. The 45 degrees right angle set square takes the center mark on the perpendicular line as the center of a circle. The upper end is fixedly connected. The lower end of the rope is tightly and fixedly connected with the vertical standard. An arc line which is extended to the measuring edge is made on the center of the circle and, and the radius of the arc line is less than the center. 0 degree is set on the position that the arc line and the perpendicular line are crossed. The left and the right of the arc are separately extended to 90 degrees. A scale mark is arranged inside the arc line, and numerical values are arranged beside the scale mark. The rope with the vertical standard is tightly and fixedly connected with the perpendicular line of the 45 degrees right angle set square, which makes the 45 degrees right angle set square increase a ruler which can measure plane angle. Arc line and scale mark are arranged on the 45 degrees right angle set square, and numerical values are arranged beside the scale mark, which can make the operator easily read the plane angle in a short time. The measuring appliance has light weight, can be checked and carried conveniently.

Description

technical field [0001] The invention relates to a measuring tool, in particular to a plane angle detection ruler. Background technique [0002] In the prior art, there are many kinds of tools for measuring plane angles, and all kinds of tools have the disadvantages of being expensive, heavy, and inconvenient to carry, and cannot measure the value of degrees. The hole is very small, it is very inconvenient to see. Contents of the invention [0003] In order to overcome the defects in the prior art, the present invention provides a plane angle detection ruler that utilizes a 45° right-angle triangle to set vertical marks and scales to achieve the purpose of measurement. [0004] The technical solution adopted by the present invention to solve its technical problems is: a plane angle detection ruler, comprising a vertical mark and a rope, which is characterized in that it is composed of a 45° right-angle triangle and a vertical The midpoint on the line is the center of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B3/02G01B5/24
Inventor 顾进明
Owner ADOLESCENT SCI & TECH GUIDE STATION BAOSHAN DISTRICT SHANGHAI CITY
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