CN204506256U - A kind of Multifunctional drawing tool used for teaching - Google Patents
A kind of Multifunctional drawing tool used for teaching Download PDFInfo
- Publication number
- CN204506256U CN204506256U CN201520117800.1U CN201520117800U CN204506256U CN 204506256 U CN204506256 U CN 204506256U CN 201520117800 U CN201520117800 U CN 201520117800U CN 204506256 U CN204506256 U CN 204506256U
- Authority
- CN
- China
- Prior art keywords
- protractor
- ruler
- deep
- auxiliary scale
- slotted chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Abstract
The utility model relates to a kind of teaching aid, particularly a kind of Multifunctional drawing tool used for teaching.It comprises ruler and protractor, the right-hand member of described protractor is fixedly connected with the left end of ruler, the initial point of the extended line throughput hornwork of the upper end of described ruler, the arcuate perimeter wall of described protractor has deep-slotted chip breaker, the cross section of described deep-slotted chip breaker is convex shape, the upper end wall of described ruler has vertical bar shaped groove, described deep-slotted chip breaker is connected with vertical bar shaped groove, auxiliary scale is provided with in described vertical bar shaped groove, the initial point of the extended line throughput hornwork of the upper end of described auxiliary scale, the left end of described auxiliary scale is provided with arc shaped slider, described arc shaped slider is positioned at deep-slotted chip breaker, described auxiliary scale can move in a circle with the initial point of protractor.Ruler and protractor combine by the utility model, have again the help of auxiliary scale, portray straight line, can also portray the angle of known angle, one-object-many-purposes by measuring angle, use simple, and easy to carry.
Description
(1) technical field
The utility model relates to a kind of teaching aid, particularly a kind of Multifunctional drawing tool used for teaching.
(2) background technology
Although science and technology is flourishing at present, a lot of school all uses multimedia teaching, but some aspect still needs to use original educational aid, such as draw, taught by doing and illustrating by teacher with regard to best, draw to children's impression intuitively by the scene of teacher, reinforcement understands, conventional drawing tools comprises ruler, set square, protractor etc., and they are independent existence separately, brings inconvenience to carrying of teachers.
(3) summary of the invention
The utility model, in order to make up the defect of prior art, provides a kind of Multifunctional drawing tool used for teaching easy to carry.
The utility model is achieved by the following technical solution:
A kind of Multifunctional drawing tool used for teaching, it is characterized in that: comprise ruler and protractor, the right-hand member of described protractor is fixedly connected with the left end of ruler, the initial point of the extended line throughput hornwork of the upper end of described ruler, the arcuate perimeter wall of described protractor has deep-slotted chip breaker, the cross section of described deep-slotted chip breaker is convex shape, the upper end wall of described ruler has vertical bar shaped groove, described deep-slotted chip breaker is connected with vertical bar shaped groove, auxiliary scale is provided with in described vertical bar shaped groove, the initial point of the extended line throughput hornwork of the upper end of described auxiliary scale, the left end of described auxiliary scale is provided with arc shaped slider, described arc shaped slider is positioned at deep-slotted chip breaker, described auxiliary scale can move in a circle with the initial point of protractor.
The beneficial effects of the utility model are:
Ruler and protractor combine by the utility model, have again the help of auxiliary scale, portray straight line, can also portray the angle of known angle, one-object-many-purposes by measuring angle, use simple, and easy to carry.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is plan structure schematic diagram of the present utility model;
Fig. 2 be in Fig. 1 A-A to cross section structure schematic diagram;
Fig. 3 be in Fig. 1 B-B to cross section structure schematic diagram.
In figure, 1 protractor, 2 rulers, 3 auxiliary scales, 4 deep-slotted chip breakers, 5 vertical bar shaped grooves, 6 arc shaped sliders.
(5) detailed description of the invention
Accompanying drawing is specific embodiment of the utility model.As Fig. 1, Fig. 2, shown in Fig. 3, this kind of Multifunctional drawing tool used for teaching, comprise ruler 2 and protractor 1, the right-hand member of protractor 1 is fixedly connected with the left end of ruler 2, preferably be made into integration, the upper end of ruler 2, namely there is the initial point of the extended line throughput hornwork 1 on one side of graduation mark, the arcuate perimeter wall of protractor 1 has deep-slotted chip breaker 4, the cross section of deep-slotted chip breaker 4 is convex shape, the upper end wall of ruler 2 has vertical bar shaped groove 5, deep-slotted chip breaker 4 is connected with vertical bar shaped groove 5, the right-hand member of deep-slotted chip breaker 4 at least extends to downwards bottom vertical bar shaped groove 5, auxiliary scale 3 is provided with in vertical bar shaped groove 5, the initial point of the extended line throughput hornwork 1 of the upper end of described auxiliary scale 3, that is when auxiliary scale 3 is positioned at vertical bar shaped groove 5, their upper end-face edge is concordant, the left end of auxiliary scale 3 is provided with arc shaped slider 6, arc shaped slider 6 is positioned at deep-slotted chip breaker 4, the center of circle of the arc of arc shaped slider 6 overlaps with the initial point of protractor 1, auxiliary scale 3 can move in a circle with the initial point of protractor 1.
Except technical characteristic described in description, all the other technical characteristics are those skilled in the art's known technology.
Claims (1)
1. a Multifunctional drawing tool used for teaching, it is characterized in that: comprise ruler (2) and protractor (1), the right-hand member of described protractor (1) is fixedly connected with the left end of ruler (2), the initial point of the extended line throughput hornwork (1) of the upper end of described ruler (2), the arcuate perimeter wall of described protractor (1) has deep-slotted chip breaker (4), the cross section of described deep-slotted chip breaker (4) is convex shape, the upper end wall of described ruler (2) has vertical bar shaped groove (5), described deep-slotted chip breaker (4) is connected with vertical bar shaped groove (5), auxiliary scale (3) is provided with in described vertical bar shaped groove (5), the initial point of the extended line throughput hornwork (1) of the upper end of described auxiliary scale (3), the left end of described auxiliary scale (3) is provided with arc shaped slider (6), described arc shaped slider (6) is positioned at deep-slotted chip breaker (4), described auxiliary scale (3) can move in a circle with the initial point of protractor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117800.1U CN204506256U (en) | 2015-02-27 | 2015-02-27 | A kind of Multifunctional drawing tool used for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117800.1U CN204506256U (en) | 2015-02-27 | 2015-02-27 | A kind of Multifunctional drawing tool used for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204506256U true CN204506256U (en) | 2015-07-29 |
Family
ID=53704257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520117800.1U Expired - Fee Related CN204506256U (en) | 2015-02-27 | 2015-02-27 | A kind of Multifunctional drawing tool used for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204506256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904888A (en) * | 2016-06-23 | 2016-08-31 | 冯云 | Multi-function teaching ruler |
-
2015
- 2015-02-27 CN CN201520117800.1U patent/CN204506256U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904888A (en) * | 2016-06-23 | 2016-08-31 | 冯云 | Multi-function teaching ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |