CN202186186U - Teaching tool suitable for mathematics teaching - Google Patents
Teaching tool suitable for mathematics teaching Download PDFInfo
- Publication number
- CN202186186U CN202186186U CN2011202999820U CN201120299982U CN202186186U CN 202186186 U CN202186186 U CN 202186186U CN 2011202999820 U CN2011202999820 U CN 2011202999820U CN 201120299982 U CN201120299982 U CN 201120299982U CN 202186186 U CN202186186 U CN 202186186U
- Authority
- CN
- China
- Prior art keywords
- length
- pen
- teaching
- angle
- straight plate
- 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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- 238000001514 detection method Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a teaching tool suitable for mathematics teaching. The teaching tool suitable for the mathematics teaching comprises a straight board, wherein a length scale is arranged on the straight board, a positioning rod is arranged at the '0' point of the length scale, an angle measuring instrument is arranged on the positioning rod, a rail slot is arranged on the straight board, a pen sleeve is arranged on the rail slot, a drawing pen is arranged in the pen sleeve, a length measuring needle is arranged on the pen sleeve, a length measuring strip parallel to the rail slot is arranged on the straight board, the length measuring needle contacts with the length measuring strip, an angle displayer and a length displayer are arranged on the straight board, the angle displayer is connected with the angle measuring instrument by a wire, and the length displayer is connected with the length measuring strip by a wire. The teaching tool suitable for the mathematics teaching has the advantages that as the angle measuring device and the length measuring device as well as corresponding displayers are arranged, thereby facilitating a teacher of mathematics to accurately determine the length and the angle of a drawn figure and facilitating the observation and use of the teacher; the teaching tool integrates the functions of a ruler, a compass and a setsquare, so that the drawing of straight lines, round and included angles with set angles and the like can be realized.
Description
Technical field
The utility model relates to mathematical education apparatus field, specifically is that a kind of suitable mathematical education is used teaching aid.
Background technology
At present, in the mathematical education field, when the mathematics teacher on blackboard during graphing; Usually can use ruler, compasses, set square etc., wherein utilize ruler to draw straight line, it is circular to utilize compasses to draw; Utilize set square to draw the line of certain angle, and the three can't substitute mutually.This will teacher of the seeking advice in teaching, must carry many cover teaching aids, carry and use equal inconvenience.Simultaneously, existing teaching aid is when drawing, because that it goes up the mark font is less, so the teacher need press close to just and can see clearly, uses also very inconvenience.
The utility model content
The purpose of the utility model is to provide a kind of suitable mathematical education to use teaching aid; It is integrated in one with ruler function, compasses function, set square; Can realize straight line, circle and decide the drafting of angle angle; And can show angle, the length of drawing automatically, easy to use, be easy to the mathematics major teaching and use.
The utility model is for realizing above-mentioned purpose, and realize through following technical scheme: a kind of suitable mathematical education is used teaching aid, comprises straight plate; Straight plate is provided with the length scale, the installing and locating bar at " 0 " scale place, setting angle measuring instrument on the backstay; On straight plate, offer rail groove, Pen-holder sleeve is set on the rail groove, drawing pen is installed in the Pen-holder sleeve; Installation length is measured pointer on the Pen-holder sleeve, on the straight plate length detection bar parallel with rail groove is set, and the linear measure longimetry pointer contacts with the length detection bar; Setting angle display and length display on the straight plate, angular display unit is connected with angel measuring instrument through lead, and the length display is connected with the length detection bar through lead.
Said backstay one end is a cone tip shape.
The contrast known technology, the advantage of the utility model is:
1, can solve the deficiency that exists in the known technology, be provided with angle detection device, device for detecting length and corresponding display, make things convenient for the mathematics teacher accurately to confirm the length and the angle of institute's graphing, the font of demonstration is bigger, makes things convenient for teacher observe and use;
2, ruler function, compasses function, set square are integrated in one, can realize straight line, circle and decide the drafting of angle angle;
3, be provided with length control device, the circular arc of the designated length radius that can directly draw;
4, rational in infrastructure, easy to use, be easy to the mathematics major teaching and use;
5, low cost of manufacture is easy to carry about with one etc.
Description of drawings
Accompanying drawing 1 is the main TV structure sketch map of the utility model.
Label shown in the accompanying drawing: 1, backstay; 2, straight plate; 3, linear measure longimetry pointer; 4, length detection bar; 5, angular display unit; 6, length display; 7, rail groove; 8, drawing pen; 9, Pen-holder sleeve; 10, angel measuring instrument; 11, pen cap bar.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The said a kind of suitable mathematical education of the utility model is used teaching aid, and agent structure comprises straight plate 2, and said straight plate 2 is used ruler for teaching, and its length overall is at 50cm-60cm.Straight plate 2 preferred employing highstrenghtpistons process, and quality is light, is easy to carry about with one.On straight plate 2, be provided with length scale 11, the installing and locating bar 1 at " 0 " scale place, and backstay 1 can use as location, the center of circle, backstay 1 general bolt, screw or the tapered rod of adopting, preferred tapered rod.Setting angle measuring instrument 10 on the backstay 1, angel measuring instrument 10 can detect the angle of straight plate 2 rich backstay 1 rotations.On straight plate 2, offer rail groove 7, Pen-holder sleeve 9 is set on the rail groove 7, Pen-holder sleeve 9 can move in rail groove 7.In the said Pen-holder sleeve 9 drawing pen 8 is installed.Installation length is measured pointer 3 on Pen-holder sleeve 9, and the length detection bar 4 parallel with rail groove 7 is set on the straight plate 2.Said linear measure longimetry pointer 3 contacts with length detection bar 4, when Pen-holder sleeve 9 moves, drives linear measure longimetry pointer 3 and moves, and length detection bar 4 detects its displacement of moving, and confirms length.Setting angle display 5 and length display 6 on straight plate 2, angular display unit 5 is connected with angel measuring instrument 10 through lead, and length display 6 is connected with length detection bar 4 through lead.Angular display unit 5 detected angle values are transferred on the angular display unit 5 and show, length detection bar 4 detected length values are input on the length display 6 and show.
Claims (2)
1. a suitable mathematical education is used teaching aid, it is characterized in that: comprise straight plate (2), straight plate (2) is provided with length scale (11); At " 0 " scale place installing and locating bar (1), backstay (1) is gone up setting angle measuring instrument (10), on straight plate (2), offers rail groove (7); Pen-holder sleeve (9) is set on the rail groove (7); Drawing pen (8) is installed in the Pen-holder sleeve (9), and Pen-holder sleeve (9) is gone up installation length and is measured pointer (3), and straight plate (2) is gone up the length detection bar (4) parallel with rail groove (7) is set; Linear measure longimetry pointer (3) contacts with length detection bar (4); Straight plate (2) is gone up setting angle display (5) and length display (6), and angular display unit (5) is connected with angel measuring instrument (10) through lead, and length display (6) is connected with length detection bar (4) through lead.
2. a kind of suitable mathematical education according to claim 1 is used teaching aid, it is characterized in that: said backstay (1) one end is a cone tip shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202999820U CN202186186U (en) | 2011-08-17 | 2011-08-17 | Teaching tool suitable for mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202999820U CN202186186U (en) | 2011-08-17 | 2011-08-17 | Teaching tool suitable for mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202186186U true CN202186186U (en) | 2012-04-11 |
Family
ID=45917655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202999820U Expired - Fee Related CN202186186U (en) | 2011-08-17 | 2011-08-17 | Teaching tool suitable for mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202186186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374264A (en) * | 2013-08-16 | 2015-02-25 | 上海汽车集团股份有限公司 | Distance and angle measuring tool |
-
2011
- 2011-08-17 CN CN2011202999820U patent/CN202186186U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374264A (en) * | 2013-08-16 | 2015-02-25 | 上海汽车集团股份有限公司 | Distance and angle measuring tool |
| CN104374264B (en) * | 2013-08-16 | 2017-11-24 | 上海汽车集团股份有限公司 | The measurer of measurement distance and angle |
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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: 20120411 Termination date: 20120817 |