CN205387019U - Mathematical drawing instrument - Google Patents
Mathematical drawing instrument Download PDFInfo
- Publication number
- CN205387019U CN205387019U CN201620124848.XU CN201620124848U CN205387019U CN 205387019 U CN205387019 U CN 205387019U CN 201620124848 U CN201620124848 U CN 201620124848U CN 205387019 U CN205387019 U CN 205387019U
- Authority
- CN
- China
- Prior art keywords
- angle
- groove
- parabola
- ruler
- drawn
- 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
Abstract
The utility model provides a mathematical drawing instrument, draw groove, second angle drawing groove, third angle drawing groove, parabola drawing board, protractor and swivelling joint axle including ruler, first angle, the groove is drawn to first angle drawing groove, second angle and third angle drawing groove sets up on the ruler at the interval respectively, and the groove is drawn to first angle is that the structure is 60 jiaos logical groove, and the groove is drawn to the second angle is that the structure is 45 jiaos logical groove, and third angle drawing groove is that the structure is 30 jiaos logical groove, parabola drawing board is semiellipse shape structure, and parabola drawing board passes through the swivelling joint hub connection at a side end of ruler, and parabola drawing board rotates around the swivelling joint axle, the protractor is semi -circular hollow out construction, and the protractor setting is on parabola drawing board. The utility model discloses the figures such as straight line, pitch arc, parabola, triangle -shaped that can draw up are applicable to various geometry's in the mathematics subject drawing, use, convenient to carry.
Description
Technical field
This utility model relates to mathematical education field, particularly relates to a kind of mathematics drawing instruments.
Background technology
In Mathematics Discipline, there are algebraically, several how multiple classification, the drafting requiring over figure in teacher's teaching and students'learning is understood, uses the various definition of geometry and solves a problem, the drawing instruments of prior art are all simple function mostly, various different figures need different drawing instruments, use very inconvenient.
Utility model content
The defect of prior art and various weak point in view of the above, the technical problems to be solved in the utility model is in that to provide a kind of mathematics drawing instruments, can be used for drawing the geometries such as triangle, straight line, angle, parabola, it is simple to use.
For achieving the above object, this utility model provides a kind of mathematics drawing instruments, draws plate, protractor and the axle that is rotatably connected including ruler, the first angle drawing slot, the second angle drawing slot, third angle drawing slot, parabola；Described the first angle drawing slot, the second angle drawing slot and third angle drawing slot are respectively separated and are arranged on described ruler, the first described angle drawing slot is structure is the groove at 60 ° of angles, the second described angle drawing slot is structure is the groove of 45° angle, and described third angle drawing slot is structure is the groove at 30 ° of angles；Plate drawn by described parabola is half elliptic structure, and described parabola is drawn plate and is connected to a side end of described ruler by the described axle that is rotatably connected, and described parabola is drawn plate and rotated around the described axle that is rotatably connected；Described protractor is semicircle engraved structure, and described protractor is arranged on described parabola and draws on plate.
Above-mentioned mathematics drawing instruments, wherein, the upper surface of described ruler is provided with skid resistant surface, is positioned at the end of described ruler.
Above-mentioned mathematics drawing instruments, wherein, the side edge of described ruler is provided with arc convex, is positioned at the outside of described skid resistant surface.
Above-mentioned mathematics drawing instruments, wherein, described ruler is provided with circular hole, draws between plate at described third angle drawing slot and described parabola.
The mathematics drawing instruments that this utility model relates to have the advantages that
This utility model can draw the figures such as straight line, camber line, parabola, triangle, it is adaptable to the drafting of various geometries in Mathematics Discipline, is convenient to use and carry.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing that this patent is described in detail.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model mathematics drawing instruments.
Element numbers explanation
1 ruler
2 first angle drawing slots
3 second angle drawing slots
4 third angle drawing slots
Plate drawn by 5 parabolas
6 protractors
7 are rotatably connected axle
8 skid resistant surfaces
9 arc convex
10 circular holes
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As it is shown in figure 1, this utility model provides a kind of mathematics drawing instruments, draw plate 5, protractor 6 and the axle 7 that is rotatably connected including ruler the 1, first angle drawing slot the 2, second angle drawing slot 3, third angle drawing slot 4, parabola；First described angle drawing slot the 2, second angle drawing slot 3 and third angle drawing slot 4 are respectively separated and are arranged on described ruler 1, the first described angle drawing slot 2 is structure is the groove at 60 ° of angles, the second described angle drawing slot 3 is structure is the groove of 45° angle, and described third angle drawing slot 4 is structure is the groove at 30 ° of angles；Plate 5 drawn by described parabola is half elliptic structure, and described parabola is drawn plate 5 and is connected to a side end of described ruler 1 by the described axle 7 that is rotatably connected, and described parabola is drawn plate 5 and rotated around the described axle 7 that is rotatably connected；Described protractor 6 is semicircle engraved structure, and described protractor 6 is arranged on described parabola and draws on plate 5.
The upper surface of described ruler 1 is provided with skid resistant surface 8, is positioned at the end of described ruler 1, can be pressed on skid resistant surface 8 by finger when line, it is ensured that ruler 1 remains stationary as, it is simple to draw.
The side edge of described ruler 1 is provided with arc convex 9, is positioned at the outside of described skid resistant surface 8, can be used for drawing arc lines.
Described ruler 1 is provided with circular hole 10, draws between plate 5 at described third angle drawing slot 4 and described parabola, can be used for drawing circle, it is possible to connect other drawing instruments by circular hole 10, it is simple to the carrying and using of drawing instruments.
During use, ruler 1 can be passed through and draw the figure such as straight line, dotted line, be drawn the figures such as conventional isosceles triangle, right angled triangle, equilateral triangle by first angle drawing slot the 2, second angle drawing slot 3 and third angle drawing slot 4；Draw plate 5 by parabola and can draw half elliptic parabola figure, the angle of different angles can be drawn by protractor 6.
In sum, this utility model can draw the figures such as straight line, camber line, parabola, triangle, it is adaptable to the drafting of various geometries in Mathematics Discipline, is convenient to use and carry.So, this utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.
A kind of mathematics drawing instruments above this utility model embodiment provided are described in detail; for one of ordinary skill in the art; thought according to this utility model embodiment; all will change in specific embodiments and applications; in sum; this specification content should not be construed as restriction of the present utility model, and all any changes made according to this utility model design philosophy are all within protection domain of the present utility model.
Claims (4)
1. mathematics drawing instruments, it is characterised in that: include ruler (1), the first angle drawing slot (2), the second angle drawing slot (3), third angle drawing slot (4), parabola drafting plate (5), protractor (6) and the axle that is rotatably connected (7)；Described the first angle drawing slot (2), the second angle drawing slot (3) and third angle drawing slot (4) are respectively separated and are arranged on described ruler (1), the first described angle drawing slot (2) is structure is the groove at 60 ° of angles, the second described angle drawing slot (3) is structure is the groove of 45° angle, and described third angle drawing slot (4) is structure is the groove at 30 ° of angles；Plate (5) drawn by described parabola is half elliptic structure, described parabola is drawn plate (5) and is connected to a side end of described ruler (1) by the described axle that is rotatably connected (7), and described parabola is drawn plate (5) and rotated around the described axle that is rotatably connected (7)；Described protractor (6) is semicircle engraved structure, and described protractor (6) is arranged on described parabola and draws on plate (5).
2. mathematics drawing instruments according to claim 1, it is characterised in that: the upper surface of described ruler (1) is provided with skid resistant surface (8), is positioned at the end of described ruler (1).
3. mathematics drawing instruments according to claim 2, it is characterised in that: the side edge of described ruler (1) is provided with arc convex (9), is positioned at the outside of described skid resistant surface (8).
4. mathematics drawing instruments according to claim 1, it is characterized in that: described ruler (1) is provided with circular hole (10), be positioned at described third angle drawing slot (4) and described parabola is drawn between plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620124848.XU CN205387019U (en) | 2016-02-17 | 2016-02-17 | Mathematical drawing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620124848.XU CN205387019U (en) | 2016-02-17 | 2016-02-17 | Mathematical drawing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205387019U true CN205387019U (en) | 2016-07-20 |
Family
ID=56382739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620124848.XU Expired - Fee Related CN205387019U (en) | 2016-02-17 | 2016-02-17 | Mathematical drawing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205387019U (en) |
-
2016
- 2016-02-17 CN CN201620124848.XU patent/CN205387019U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170124 Address after: 330108 Jiangxi province Nanchang Honggutan entrepreneurial road No. 998 Nanchang Institute of science and Technology Department Patentee after: NANCHANG INSTITUTE OF SCIENCE & TECHNOLOGY Address before: 330108 Jiangxi province Nanchang Honggutan entrepreneurial road No. 998 Nanchang Institute of Technology Patentee before: Lin Yuanjian |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160720 Termination date: 20170217 |