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Multifunctional drawing ruler

A drawing ruler and multi-functional technology, applied in the field of drawing ruler, can solve problems such as not easy to carry and use, inconvenient for teachers, and many teaching aids, and achieve the effects of simple use, improved teaching environment, and small size

Inactive Publication Date: 2015-02-18
BEIJING INFORMATION SCI & TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the classroom content involves graphics, curves, etc., teachers often need to carry various teaching tools, such as: ruler, 30°60°90° triangle ruler, 45°45°90° triangle ruler, compasses, etc., because these teaching aids are many And big, not easy to carry and use, bring a lot of inconvenience to teachers

Method used

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] Such as Figure 1 to Figure 9 As shown, the present invention provides a multifunctional drawing ruler, which includes a main ruler 1, a pin 2, a main telescopic ruler 3, a first auxiliary ruler 4, a first ball plunger 5, and a first auxiliary telescopic ruler 6 , the second secondary telescopic ruler 7, the second ball plunger 8, the third ball plunger 9 and the second secondary chi 10. in:

[0022] The main ruler 1 is composed of an integrated main ruler chute 11 and a horizontal groove 12; the first auxiliary ruler 4 is provided with a first auxiliary ruler chute 13; the second auxiliary telescopic ruler 7 is provided with a telescopic ruler chute 14. The second auxiliary ruler 10 is provided with a second auxiliary ruler chute 15 .

[0023] The main ruler chute 11 of the main ruler 1 is connected to the telescopic end of the main telesco...

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Abstract

The invention relates to a multifunctional drawing ruler. The multifunctional drawing ruler comprises a main ruler which consists of a main ruler sliding groove and a horizontal groove, wherein a first vice ruler, a second vice telescopic ruler and a second vice ruler are respectively provided with a first vice ruler sliding groove, a telescopic ruler sliding groove and a second vice ruler sliding groove; the main ruler sliding groove is connected with one end of a main telescopic ruler by virtue of a pin; the end part, close to one side of the horizontal groove, of the main ruler is connected with one end of the first vice ruler; the first vice ruler sliding groove in the first vice ruler is connected with one end of the first vice telescopic ruler by virtue of a first spherical head plunger; the other end of the first vice telescopic ruler is articulated with the telescopic sliding groove in the second vice telescopic ruler by virtue of a second spherical head plunger; the other end of the second vice telescopic ruler is connected with the second vice ruler sliding groove in the second vice ruler by virtue of a third spherical head plunger; the other end of the second vice ruler is movably connected with the other end of the main telescopic ruler. The multifunctional drawing ruler is capable of achieving functions of a ruler, a compass, an angle gauge, a set square and the like, is convenient to use and convenient to carry and can be widely applied in multiple fields.

Description

technical field [0001] The invention relates to a drawing ruler, in particular to a multifunctional drawing ruler for drawing basic elements such as straight lines, oblique lines at any angle, circles, and various combined figures. Background technique [0002] Nowadays, with the increasing use of modern teaching tools, traditional teaching tools are constantly being impacted, but traditional teaching tools are still indispensable for teachers, and the most common one is the teaching aid ruler. When the classroom content involves graphics, curves, etc., teachers often need to carry various teaching tools, such as: ruler, 30°60°90° triangle ruler, 45°45°90° triangle ruler, compasses, etc., because these teaching aids are many And big, not easy to carry and use, bring a lot of inconvenience to the teacher. Contents of the invention [0003] In view of the above problems, the purpose of the present invention is to provide a multifunctional drawing ruler, which can fully inte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L13/00
CPCB43L13/001
Inventor 高宏孟玲霞侯浩陈炜杜祯罗超李子豪
Owner BEIJING INFORMATION SCI & TECH UNIV
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