CN2536414Y - Multifunctional triangle for teaching - Google Patents
Multifunctional triangle for teaching Download PDFInfo
- Publication number
- CN2536414Y CN2536414Y CN 02207129 CN02207129U CN2536414Y CN 2536414 Y CN2536414 Y CN 2536414Y CN 02207129 CN02207129 CN 02207129 CN 02207129 U CN02207129 U CN 02207129U CN 2536414 Y CN2536414 Y CN 2536414Y
- Authority
- CN
- China
- Prior art keywords
- set square
- teaching
- angle
- marked
- uses set
- 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 relates to a teaching instrument, in particular to a teaching multi-functional set square. Length scales are marked on a right-angle side of a set square, the center is a hollow portion, at least two strips of parallel line thin grooves for drawing parallel lines are marked on the right-angle side, and parallel lines, perpendicular lines, special angles, angle gauges, and various scale-plates, coordinates, and a handle and a magnet are arranged on the set square, thereby a set square of the utility model has multi-function, which can conveniently and quickly draw various pictures such as line-segments, parallel lines, perpendicular lines, coordinate charts, any angle, special angles, and polygon and the like, and is convenient for teaching activities of teachers and students in various schools, and can edify thinking and imagination of students, and can be integrally shaped, and is firm and durable.
Description
The utility model relates to a kind of teaching aid, and set square is used in especially a kind of teaching more.
Existing set square generally has 2 kinds of 45 ° and 60 ° of angle set squares, is marked with the length scale at its right-angle side, is hollow space therebetween.What have also is marked with 90 ° protractor at hollow space.Its deficiency is that function is few, often needs 2 set squares to be used, and parallel lines, special angle more accurately especially are difficult to draw.
The purpose of this utility model is to provide a kind of teaching that has multiple functions such as parallel lines, vertical line, special angle, scale, coordinate, protractor and handle to use set square more.
The utility model is a set square, is marked with the length scale on its right-angle side, is hollow space therebetween, is marked with at least 2 parallel lines strias so that draw parallel lines on right-angle side in addition.Above-mentioned parallel lines stria generally can be engraved on the set square back side.To a special angle of right-angle side marking stria line, the angle of its stria line and right-angle side is 60 ° or 45 ° on the summit at one angle.For the ease of drawing vertical line, can be at the vertical line stria of 90 ° of angular vertexs to hypotenuse marking hypotenuse.For the ease of drawing or taking measurement of an angle, can be at 90 ° of protractors of hollow space marking of set square.Also can graduate at the hypotenuse subscript, the hollow bulb at set square sets up handle separately in addition, establishes at least 1 magnet on the plate face.
Owing on a set square, be marked with parallel lines, vertical line, special angle, protractor and various scale, coordinate, and be provided with handle and magnet, therefore realize that a set square possesses multiduty purpose, can be not only convenient but also the line segment that draws quickly, parallel lines, vertical line, coordinate diagram, multiple figures such as angle, special angle, polygon arbitrarily.Be convenient to the teachers and students' of all kinds of schools education activities, edify student's the thinking and the imagination.But global formation, firm and durable.
Accompanying drawing is an example structure schematic diagram of the present utility model.
Adopt a 45 set square 1 in the drawings, be marked with length scale 21, parallel lines stria 22, special angle (60 °) stria line 23 at its right-angle side 2.Be marked with length scale 31 at hypotenuse 3, vertical line stria 32.Be marked with 90 ° of protractors 41 on the hollow space 4 of set square 1, and be provided with handle 5, other respectively establishes 1 magnet 6 on the plate face at 3 angles of set square 1, and magnet 6 can embed the back side of set square.The stria of general above-mentioned various graticules is located at the back side of set square.Also can adopt 60 ° of angle set squares.
Claims (9)
1, a kind of teaching uses set square, is marked with the length scale on its right-angle side, establishes hollow in the middle of it partly, it is characterized in that being marked with on right-angle side at least 2 parallel lines strias.
2, a kind of teaching as claimed in claim 1 uses set square, it is characterized in that the empty therein handle of partly establishing.
3, a kind of teaching as claimed in claim 1 uses set square, it is characterized in that the empty therein protractor of partly establishing.
4, a kind of teaching as claimed in claim 1 uses set square, it is characterized in that arriving right-angle side marking one stria line on the summit at one angle, and the angle of stria line and right-angle side is 60 ° or 45 °.
5, a kind of teaching as claimed in claim 1 uses set square, it is characterized in that at the vertical line stria of 90 ° of angular vertexs to hypotenuse marking hypotenuse.
6, a kind of teaching as claimed in claim 1 uses set square, it is characterized in that at hypotenuse marking scale.
7, a kind of teaching as claimed in claim 1 uses set square, it is characterized in that establishing on the plate face at least 1 magnet.
8, a kind of teaching as claimed in claim 7 uses set square, it is characterized in that said magnet embeds the set square back side.
9, a kind of teaching as claimed in claim 7 uses set square, it is characterized in that said magnet is three, is located at three angles of set square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02207129 CN2536414Y (en) | 2002-02-01 | 2002-02-01 | Multifunctional triangle for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02207129 CN2536414Y (en) | 2002-02-01 | 2002-02-01 | Multifunctional triangle for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2536414Y true CN2536414Y (en) | 2003-02-19 |
Family
ID=33688233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02207129 Expired - Fee Related CN2536414Y (en) | 2002-02-01 | 2002-02-01 | Multifunctional triangle for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2536414Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079978A (en) * | 2016-08-11 | 2016-11-09 | 鲁子航 | Lattice rule |
-
2002
- 2002-02-01 CN CN 02207129 patent/CN2536414Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079978A (en) * | 2016-08-11 | 2016-11-09 | 鲁子航 | Lattice rule |
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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 |