CN2543720Y - Coordinate lattice geometric drawing-board - Google Patents
Coordinate lattice geometric drawing-board Download PDFInfo
- Publication number
- CN2543720Y CN2543720Y CN 02235090 CN02235090U CN2543720Y CN 2543720 Y CN2543720 Y CN 2543720Y CN 02235090 CN02235090 CN 02235090 CN 02235090 U CN02235090 U CN 02235090U CN 2543720 Y CN2543720 Y CN 2543720Y
- Authority
- CN
- China
- Prior art keywords
- coordinate
- substrate
- utility
- model
- drawing board
- 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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Abstract
The utility model relates to a coordinate lattice geometer sketchpad, mainly consisting of a square base plate. The base plate is provided with a plurality of little coordinate posts with equal distance. A little hole is respectively arranged beside each little coordinate post. The utility model has the advantages of not only binding various figures through a tuber band conveniently, but also drawing the figures quickly.
Description
The utility model relates to a kind of drawing instrument.Relate in particular to a kind of children of being convenient to and on paper, learn the instrument of drawing.
The teacher often allows children utilize existing nail plate instrument when guiding children understanding geometric figure, with the rubber band various geometric figures that stretch tight out in the above, this is familiar with geometric figure to children, and it is very beneficial to carry out thinking in images, but these figures are good again, but draw less than on the paper; Still need to commonly use ruler during drawing and on paper, draw, not only be difficult for finishing by teacher ' s guidance infantile study, and time-consuming, effort.The geometric figure that studies painting is still a big difficult point of primary school's several teaching so far.
The purpose of this utility model is to be simple and easy to religion for teacher, children provide a kind of, easily to learn the drawing tools fast and accurately of drawing.With rubber band what figure that stretches tight out, at the other aperture mid point point of post line, children draw this figure quickly and accurately with regard to available pen on this drawing board.
The technical solution of the utility model is achieved in that
A kind of coordinate dot matrix several drawing board mainly is made up of a square substrate.
Design has several equidistant coordinate pillars (A) on the substrate,
The other all designs of each coordinate pillar on the substrate have an aperture (B),
All be printed on length scale (C) around the substrate.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Figure one is a structural representation of the present utility model.
Figure two is a diagrammatic cross-section of the present utility model.
Shown in figure one, the utility model mainly is made of a square substrate, is carved with length scale (C) around the substrate.
On substrate, be evenly equipped with some equidistant coordinate pillars (A), a roundlet cap (D) greater than little column diameter is arranged on the top of pillar.
On substrate, be evenly equipped with equidistant location aperture (by pillar) (B).
Claims (4)
1, a kind of coordinate dot matrix several drawing board mainly is made up of a square substrate.It is characterized in that: design has some equidistant location pillars (A) on (1), the substrate, and design has some equidistant location apertures (B) on (2), the substrate, and design has length scale (C) around (3), the substrate.
2, a kind of coordinate dot matrix several drawing board according to claim 1 is characterized in that square substrate can be that plastics also can be that other material is made.
3, a kind of coordinate dot matrix several drawing board according to claim 1 is characterized in that the coordinate aperture (B) on the square substrate is positioned at coordinate pillar (A) side, and corresponding one by one.
4, a kind of coordinate dot matrix several drawing board according to claim 1 is characterized in that there is a roundlet cap (D) (as figure two, sectional view) greater than little column diameter on the pillar top of substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02235090 CN2543720Y (en) | 2002-05-30 | 2002-05-30 | Coordinate lattice geometric drawing-board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02235090 CN2543720Y (en) | 2002-05-30 | 2002-05-30 | Coordinate lattice geometric drawing-board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2543720Y true CN2543720Y (en) | 2003-04-09 |
Family
ID=33709708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02235090 Expired - Fee Related CN2543720Y (en) | 2002-05-30 | 2002-05-30 | Coordinate lattice geometric drawing-board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2543720Y (en) |
-
2002
- 2002-05-30 CN CN 02235090 patent/CN2543720Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |