CN204296297U - A kind of mathematics sin cos functions drawing ruler - Google Patents
A kind of mathematics sin cos functions drawing ruler Download PDFInfo
- Publication number
- CN204296297U CN204296297U CN201420778379.4U CN201420778379U CN204296297U CN 204296297 U CN204296297 U CN 204296297U CN 201420778379 U CN201420778379 U CN 201420778379U CN 204296297 U CN204296297 U CN 204296297U
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- China
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- cavity
- axis cavity
- longitudinal axis
- ruler body
- transverse axis
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Abstract
The utility model relates to a kind of mathematics sin cos functions drawing ruler, comprise ruler body, ruler body upper surface upper end is provided with the function graduation mark of π multiple mark, ruler body is embedded with a transverse axis cavity, first longitudinal axis cavity, second longitudinal axis cavity, with the function graduation mark of π multiple mark on transverse axis cavity lateral surface, first longitudinal axis cavity and the second longitudinal axis cavity lateral surface are provided with the numerical scale line of Arabic numerals, first longitudinal axis cavity and the second longitudinal axis cavity spacing are pi/2, from the intersect SIN function image cavity lighting be extended with one-period of transverse axis cavity with the first longitudinal axis cavity on ruler body, from the intersect cosine function image cavity lighting be extended with one-period of transverse axis cavity with the second longitudinal axis cavity on ruler body, ruler body lower surface two ends are embedded with swivelling chute, are all rotatably provided with linear pattern aided drawing chi in swivelling chute.The utility model is reasonable in design, draws convenient.
Description
Technical field
The utility model relates to mathematical education aid technical field, specifically relates to a kind of mathematics sin cos functions drawing ruler.
Background technology
The drawing rule of sin cos functions image drawn by typical graphics chi with not being specifically designed to, in the inconvenience of drafting sin cos functions Image Rendering.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of reasonable in design, mathematics sin cos functions drawing ruler easily of drawing.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
Comprise ruler body, described ruler body upper surface upper end is provided with the function graduation mark of π multiple mark, described ruler body is embedded with a transverse axis cavity, first longitudinal axis cavity vertical with transverse axis cavity, second longitudinal axis cavity vertical with transverse axis cavity, with the function graduation mark of π multiple mark on described transverse axis cavity lateral surface, described first longitudinal axis cavity and the second longitudinal axis cavity lateral surface are provided with the numerical scale line of Arabic numerals, described first longitudinal axis cavity and the second longitudinal axis cavity spacing are pi/2, from the intersect SIN function image cavity lighting be extended with one-period of transverse axis cavity with the first longitudinal axis cavity on described ruler body, from the intersect cosine function image cavity lighting be extended with one-period of transverse axis cavity with the second longitudinal axis cavity on described ruler body, described ruler body lower surface two ends are embedded with swivelling chute, are all rotatably provided with linear pattern aided drawing chi in described swivelling chute, and described linear pattern aided drawing chi upper surface upper end is all provided with the function graduation mark of π multiple mark.
On such scheme basis preferably, described ruler body lower surface is extended with support portion, and described SIN function image cavity and cosine function image cavity all run through upper surface and lower surface in support portion, and the swivelling chute at described two ends is placed in two ends, support portion respectively.
On such scheme basis preferably, described aided drawing chi lower surface is provided with sucker, and described sucker lower surface flushes with support portion lower surface.
On such scheme basis preferably, described ruler body upper surface lower end and aided drawing chi upper surface lower end are provided with the length scale line for representing length.
The beneficial effect that the utility model compared with prior art has is: ruler body is provided with SIN function image cavity and cosine function image cavity, be convenient to Fast Drawing image, SIN function image cavity overlaps with cosine function image chamber portion simultaneously, both reductions account for the gross area of ruler body, reasonable in design, structure is simple; Wherein, described ruler body upper surface upper end is provided with the function graduation mark of π multiple mark, is convenient to extensions drawing is carried out on the basis of drawing at SIN function image cavity and cosine function image cavity, and applicability is strong; Wherein, aided drawing chi is convenient to for ruler body provides the straight line of lengthening to draw, and meanwhile, becoming angle, being also convenient to draw angle line by rotating aided drawing chi with ruler body, easy to use.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model side view;
Number in the figure is: 1-ruler body, 11-transverse axis cavity, 12-first longitudinal axis cavity, 13-second longitudinal axis cavity, 14-SIN function image cavity, 15-cosine function image cavity, 16-swivelling chute, 17-support portion, 2-function graduation mark, the vertical graduation mark of 3-, 4-length scale line, 5-sucker, 6-aided drawing chi.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is only the utility model for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
See figures.1.and.2 known, a kind of mathematics sin cos functions drawing ruler, comprise ruler body 1, ruler body 1 upper surface upper end is provided with the function graduation mark 2 of π multiple mark, ruler body 1 is embedded with a transverse axis cavity 11, first longitudinal axis cavity 12 vertical with transverse axis cavity 11, second longitudinal axis cavity 13 vertical with transverse axis cavity 11, with the function graduation mark of π multiple mark on transverse axis cavity 11 lateral surface, first longitudinal axis cavity 12 and the second longitudinal axis cavity 13 lateral surface are provided with the numerical scale line 3 of Arabic numerals, first longitudinal axis cavity 12 and the second longitudinal axis cavity 13 spacing are pi/2, from the intersect SIN function image cavity 14 lighting be extended with one-period of transverse axis cavity 11 with the first longitudinal axis cavity 12 on ruler body 1, from the intersect cosine function image cavity 15 lighting be extended with one-period of transverse axis cavity 11 with the second longitudinal axis cavity 13 on ruler body 1.Ruler body 1 lower surface two ends are embedded with swivelling chute 16, are all rotatably provided with linear pattern aided drawing chi 6 in swivelling chute 16, and linear pattern aided drawing chi 6 upper surface upper end is all provided with the function graduation mark of π multiple mark.Ruler body 1 lower surface is extended with support portion 17, and SIN function image cavity 14 and cosine function image cavity 15 all run through upper surface and lower surface in support portion 17, and the swivelling chute 16 at two ends is placed in two ends, support portion 17 respectively.
Wherein, ruler body 1 is provided with SIN function image cavity 14 and cosine function image cavity 15, is convenient to Fast Drawing image, SIN function image cavity 14 partially overlaps with cosine function image cavity 15 simultaneously, both reductions account for the gross area of ruler body, reasonable in design, and structure is simple; Wherein, ruler body 1 upper surface upper end is provided with the function graduation mark 2 of π multiple mark, is convenient to extensions drawing is carried out on the basis of drawing at SIN function image cavity 14 and cosine function image cavity 15, and applicability is strong; Wherein, aided drawing chi 6 is convenient to for ruler body 1 provides the straight line of lengthening to draw, and meanwhile, by rotating aided drawing chi 6 and ruler body 1 one-tenth angle, is also convenient to draw angle line, easy to use.
With further reference to Fig. 2, aided drawing chi 6 lower surface is provided with sucker 5, and sucker 5 lower surface flushes with support portion 17 lower surface, is convenient to realize the location to aided drawing chi 6.
With further reference to Fig. 1, ruler body 1 upper surface lower end and aided drawing chi 6 upper surface lower end are provided with the length scale line 4 for representing length; Be convenient to be used as common using for measuring length ruler simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a mathematics sin cos functions drawing ruler, comprise ruler body, it is characterized in that: described ruler body upper surface upper end is provided with the function graduation mark of π multiple mark, described ruler body is embedded with a transverse axis cavity, first longitudinal axis cavity vertical with transverse axis cavity, second longitudinal axis cavity vertical with transverse axis cavity, with the function graduation mark of π multiple mark on described transverse axis cavity lateral surface, described first longitudinal axis cavity and the second longitudinal axis cavity lateral surface are provided with the numerical scale line of Arabic numerals, described first longitudinal axis cavity and the second longitudinal axis cavity spacing are pi/2, from the intersect SIN function image cavity lighting be extended with one-period of transverse axis cavity with the first longitudinal axis cavity on described ruler body, from the intersect cosine function image cavity lighting be extended with one-period of transverse axis cavity with the second longitudinal axis cavity on described ruler body, described ruler body lower surface two ends are embedded with swivelling chute, are all rotatably provided with linear pattern aided drawing chi in described swivelling chute, and described linear pattern aided drawing chi upper surface upper end is all provided with the function graduation mark of π multiple mark.
2. a kind of mathematics sin cos functions drawing ruler according to claim 1, it is characterized in that: described ruler body lower surface is extended with support portion, described SIN function image cavity and cosine function image cavity all run through upper surface and lower surface in support portion, and the swivelling chute at described two ends is placed in two ends, support portion respectively.
3. a kind of mathematics sin cos functions drawing ruler according to claim 1, is characterized in that: described aided drawing chi lower surface is provided with sucker, and described sucker lower surface flushes with support portion lower surface.
4. a kind of mathematics sin cos functions drawing ruler according to claim 1, is characterized in that: described ruler body upper surface lower end and aided drawing chi upper surface lower end are provided with the length scale line for representing length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778379.4U CN204296297U (en) | 2014-12-11 | 2014-12-11 | A kind of mathematics sin cos functions drawing ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778379.4U CN204296297U (en) | 2014-12-11 | 2014-12-11 | A kind of mathematics sin cos functions drawing ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204296297U true CN204296297U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420778379.4U Expired - Fee Related CN204296297U (en) | 2014-12-11 | 2014-12-11 | A kind of mathematics sin cos functions drawing ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204296297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034661A (en) * | 2015-09-01 | 2015-11-11 | 南京工业职业技术学院 | Non-triangular periodic function demonstration and image drawing device |
-
2014
- 2014-12-11 CN CN201420778379.4U patent/CN204296297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034661A (en) * | 2015-09-01 | 2015-11-11 | 南京工业职业技术学院 | Non-triangular periodic function demonstration and image drawing device |
| CN105034661B (en) * | 2015-09-01 | 2017-03-08 | 南京工业职业技术学院 | The demonstration of non-triangle periodic function and image plotting device |
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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: 20150429 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |