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1-50mm diameter arc quincunx drawing board

A drawing board and quincunx-shaped technology, which is applied in the field of drawing tools, can solve the problems of overlapping lines, mismatched lines, unreasonable, etc.

Inactive Publication Date: 2013-08-21
迁安市科技发展促进中心 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the drawing process, visual errors, overlapping lines, inconsistencies between theoretical calculations and actual operations, and inconsistencies between the beginning and end of lines are often caused by unreasonable tools, which greatly reduce the accuracy of drawing.

Method used

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  • 1-50mm diameter arc quincunx drawing board
  • 1-50mm diameter arc quincunx drawing board
  • 1-50mm diameter arc quincunx drawing board

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Embodiment Construction

[0013] Through the following description of the embodiments, it will be more helpful for the public to understand the present invention, but the specific embodiments given by the applicant cannot and should not be regarded as limitations on the technical solutions of the present invention, any definition of components or technical characteristics Changes or changes in form but not substance to the overall structure should be considered as limiting the protection scope of the technical solution of the invention.

[0014] Such as Figure 1-Figure 4 In the preferred embodiment of the present invention shown, the anti-skid positioning cap 9 provided by the quincunx-shaped drawing board with a diameter of 1-50 mm is installed in the anti-slip positioning cap installation hole 6 through finger pressure matching. The bottom surface of the front anti-skid positioning cap 9 protrudes slightly from the bottom surface of the drawing board, and when drawing any arc in the diameter range o...

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Abstract

The invention discloses a 1-50mm diameter arc quincunx drawing board. The drawing board is provided with a 1-50mm diameter semi-arc mode, a 0-360-degree angle positioning model and circular and semi-circular coordinate signing holes, a protruding inverted conical platform capable of preventing breadth from being polluted is arranged at the center of the upper surface of the drawing board, pen point insert holes are reserved on sides of the inverted conical platform, anti-skidding positioning cap mounting holes are reserved on a circumferential board of the inverted conical platform, and anti-skidding positioning caps are mounted in the anti-skidding positioning cap mounting holes. With the 1-50mm diameter arc quincunx drawing board, the defects about visual error, overlapped line drawing, discrepancy between theoretical calculation and actual operation, mismatching of heads and tails of drawn lines and the like during drawing are overcome, and success rate, accuracy and breadth cleanness for drawing 1-50mm diameter arcs, 0-360 degree angles and coordinates are improved.

Description

technical field [0001] The invention belongs to the technical field of drawing tools, in particular to a quincunx-shaped drawing board with a diameter of 1-50 mm. Background technique [0002] Drawing work involves many aspects such as people's daily production, scientific research, teaching and equipment maintenance, and manual drawing of arcs and angles is a common situation in drawing practice. However, unreasonable tools often lead to problems such as visual errors, overlapping lines, inconsistencies between theoretical calculations and actual operations, and inconsistencies between the beginning and end of lines during the drawing process, which greatly reduces the accuracy of drawing. Contents of the invention [0003] The purpose of the present invention is to provide a drawing board capable of conveniently, quickly and accurately drawing arcs within the diameter range of 1-50 mm and determining any angle within the range of 0-360° at one time, so as to overcome and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L9/00
Inventor 杨春喜
Owner 迁安市科技发展促进中心
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