CN202965703U - Multifunctional ruler used in college mathematics - Google Patents
Multifunctional ruler used in college mathematics Download PDFInfo
- Publication number
- CN202965703U CN202965703U CN 201220756305 CN201220756305U CN202965703U CN 202965703 U CN202965703 U CN 202965703U CN 201220756305 CN201220756305 CN 201220756305 CN 201220756305 U CN201220756305 U CN 201220756305U CN 202965703 U CN202965703 U CN 202965703U
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- CN
- China
- Prior art keywords
- hole
- ruler
- multifunctional
- multifunctional ruler
- angled triangle
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a multifunctional ruler used in college mathematics, and relates to teaching aids used by college math teachers. The multifunctional ruler can be used in college mathematics teaching to draw a variety of complex figures conveniently and quickly, and because a handle is mounted on the multifunctional ruler, the multifunctional ruler provides convenience for teachers. The multifunctional ruler comprises a right triangle ruler board. A parabola-shape hole, an oval hole, a sinusoidal-shaped hole, a hexagonal hole and a semicircular hole are formed in the right triangle ruler board, a scale line for drawing and measuring angles is disposed on the front face of the of right triangle ruler board and is positioned at the arc-shaped edge of the semi-circular hole, a scale line for drawing and measuring lengths is disposed on the front face of the of right triangle ruler board and is positioned at the straight edge of the semi-circular hole, and the handle is disposed on the front face of the of right triangle ruler board. The multifunctional ruler can be used in college math classes, the multifunctional ruler can draw parabolas, ellipses, sine curves, hexagonal figures and other figures easily and quickly, and math teachers can hold the multifunctional rulers in teaching.
Description
Technical field
The utility model relates to the teaching aid that a kind of College Maths teacher uses, particularly a kind of multifunctional ruler.
Background technology
At present, in the mathematical education of university, mathematics teaching aid commonly used has right angle triangle, protractor etc.Adopt above-mentioned these conventional mathematics teaching aids, can only draw the simple graphs such as straight line, acute angle, obtuse angle and right angled triangle, if draw figures such as ellipse, hexagon, parabola, sine curve, can only free-handly draw, graphic plotting both lack of standardization made troubles to teachers ' teaching again.Existing right angle triangle and protractor owing to not being provided with handle-bar grip, are made troubles to use in addition.
The utility model content
The purpose of this utility model is to provide a kind of College Maths multifunctional ruler, uses this multifunctional ruler in College Mathematics Teaching, can draw out easily and fast the Various Complex figure, simultaneously owing to being provided with handle-bar grip, provides convenience to teachers ' teaching.
Realize above-mentioned purpose, the technical scheme that the utility model is taked is:
Described multifunctional ruler comprises right angled triangle chi plate, right angled triangle chi plate is provided with parabola shaped hole, slotted eye, sinusoidal hole, hexagonal hole and semi-circular hole, the radiused edges place that the front of right angled triangle chi plate is positioned at semi-circular hole is provided with for the graduation mark of drawing and taking measurement of an angle, and the straight edge place of semi-circular hole is provided with for the graduation mark of drawing and measure length, and the front of described right angled triangle chi plate is provided with handle-bar grip.
The front of described right angled triangle chi plate is provided with a storage tank, and the edge of two long sidewalls of a storage tank is fixed with two elastic webbings side by side along the length direction of a storage tank.
The utility model with respect to the beneficial effect of prior art is: 1, multifunctional ruler of the present utility model, a ruler can be drawn out the figures such as parabola, ellipse, sine curve, hexagon easily and fast, moreover, can also draw easily and measure straight line, oblique line and angle, convenience is provided for College Maths teacher teaching.2, owing to being provided with handle-bar grip on the front of right angled triangle chi plate, provide convenience to teachers ' teaching.
Description of drawings
Fig. 1 is the top view that a kind of College Maths of the present utility model is used multifunctional ruler;
Fig. 2 is Fig. 1 front view.
Wherein, 1-right angled triangle chi plate; The parabola shaped hole of 2-; The 3-slotted eye; 4-sinusoidal hole; The 5-hexagonal hole; The 6-semi-circular hole; The 7-handle-bar grip; 8-storage tank; The 9-elastic webbing.
The specific embodiment
As shown in Figures 1 and 2, a kind of College Maths multifunctional ruler, described multifunctional ruler comprises right angled triangle chi plate 1, right angled triangle chi plate 1 is provided with parabola shaped hole 2, slotted eye 3, sinusoidal hole 4, hexagonal hole 5 and semi-circular hole 6, the radiused edges place that the front of right angled triangle chi plate 1 is positioned at semi-circular hole 6 is provided with for the graduation mark of drawing and taking measurement of an angle, and the straight edge place of semi-circular hole 6 is provided with for the graduation mark of drawing and measure length, and the front of described right angled triangle chi plate 1 is provided with handle-bar grip 7; The front of described right angled triangle chi plate 1 is provided with a storage tank 8, and the edge of two long sidewalls of a storage tank 8 is fixed with two elastic webbings 9 side by side along the length direction of a storage tank 8.Be used for depositing and fixing pen.
The utility model utilizes the parabola shaped hole 2 on right angled triangle chi plate 1 to draw parabola; Utilize slotted eye 3 to draw oval; Utilize sinusoidal hole 4 to draw sine curves; Utilize hexagonal hole 5 to draw hexagon; Utilize the graduation mark of semi-circular hole 6 and edge thereof can draw and take measurement of an angle etc.
Claims (2)
1. College Maths multifunctional ruler, described multifunctional ruler comprises right angled triangle chi plate (1), it is characterized in that: right angled triangle chi plate (1) is provided with parabola shaped hole (2), slotted eye (3), sinusoidal hole (4), hexagonal hole (5) and semi-circular hole (6), the radiused edges place that the front of right angled triangle chi plate (1) is positioned at semi-circular hole (6) is provided with for the graduation mark of drawing and taking measurement of an angle, and the straight edge place of semi-circular hole (6) is provided with for the graduation mark of drawing and measure length, the front of described right angled triangle chi plate (1) is provided with handle-bar grip (7).
2. a kind of College Maths multifunctional ruler as claimed in claim 1, it is characterized in that: the front of described right angled triangle chi plate (1) is provided with a storage tank (8), and the edge of two long sidewalls of a storage tank (8) is fixed with two elastic webbings (9) side by side along the length direction of a storage tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220756305 CN202965703U (en) | 2012-12-23 | 2012-12-23 | Multifunctional ruler used in college mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220756305 CN202965703U (en) | 2012-12-23 | 2012-12-23 | Multifunctional ruler used in college mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202965703U true CN202965703U (en) | 2013-06-05 |
Family
ID=48506823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220756305 Expired - Fee Related CN202965703U (en) | 2012-12-23 | 2012-12-23 | Multifunctional ruler used in college mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202965703U (en) |
-
2012
- 2012-12-23 CN CN 201220756305 patent/CN202965703U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131223 |