CN204547485U - Multifunctional math teaching aid - Google Patents
Multifunctional math teaching aid Download PDFInfo
- Publication number
- CN204547485U CN204547485U CN201520167306.6U CN201520167306U CN204547485U CN 204547485 U CN204547485 U CN 204547485U CN 201520167306 U CN201520167306 U CN 201520167306U CN 204547485 U CN204547485 U CN 204547485U
- Authority
- CN
- China
- Prior art keywords
- spiral arm
- teaching aid
- plotter
- rotating shaft
- fixed rotating
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- 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
Multifunctional math teaching aid.The school of the current overwhelming majority all also uses traditional wooden teaching appliance.Easy damage; general school uses an academic year; even halves just needs to change; waste very much; and also often can produce due to the most advanced and sophisticated position and blackboard contacting blackboard when mapping on blackboard and rub and the phenomenon of skidding occurs; or there is the skew of centre point, to bringing certain impact in teaching process.A kind of Multifunctional math teaching aid, its composition comprises: plotter (1), the circle centre position of described plotter is connected with fixed rotating shaft (6), described fixed rotating shaft is connected with fixing spiral arm (2) and mobile spiral arm (3) respectively, described fixing spiral arm and described mobile spiral arm are rotated by described fixed rotating shaft, the bottom of described fixing spiral arm is connected with carbon element centering pin (4), and the bottom of described mobile spiral arm is connected with chalk fork leg (5).The utility model is applied to teaching and draws.
Description
technical field:
the utility model relates to a kind of Multifunctional math teaching aid, prevents in the process of drawing on blackboard, produces the phenomenon of center of circle drift.
background technology:
the school of the current overwhelming majority all also uses traditional wooden teaching appliance, comprising wooden educational compasses, and wooden set square etc.Although the unit price of this series products is cheap; but but easily damage; general school uses an academic year; even halves just needs to change; waste very much; and also often can produce due to the most advanced and sophisticated position and blackboard contacting blackboard when mapping on blackboard and rub and the phenomenon of skidding occurs, or there is the skew of centre point, to bringing certain impact in teaching process.
summary of the invention:
the purpose of this utility model is to provide a kind of Multifunctional math teaching aid.
above-mentioned object is realized by following technical scheme:
a kind of Multifunctional math teaching aid, its composition comprises: plotter, the circle centre position of described plotter is connected with fixed rotating shaft, described fixed rotating shaft is connected with fixing spiral arm and mobile spiral arm respectively, described fixing spiral arm and described mobile spiral arm are rotated by described fixed rotating shaft, the bottom of described fixing spiral arm is connected with carbon element centering pin, and the bottom of described mobile spiral arm is connected with chalk fork leg.
described Multifunctional math teaching aid, it is characterized in that: described fixing spiral arm is separately installed with mobile cushioning pad, knob and LED illumination lamp one, described mobile spiral arm is separately installed with fixing cushion pad and LED illumination lamp two, described mobile spiral arm has groove and penetrating bar-shaped trough, described penetrating bar-shaped trough is provided with screw and turns round.
described Multifunctional math teaching aid, described plotter has one group of same radius and in the circular port A of cross array, the circumferential location of described circular port A has scale, the circumference place of described plotter has scale value and array has the circular port B of one group of different radii, and described cantilever mounted and described mobile spiral arm edge have scale value respectively.
described Multifunctional math teaching aid, described mobile cushioning pad can move on described fixing spiral arm, and described screw is turned round and can be moved on described penetrating bar-shaped trough.
beneficial effect of the present invention:
1. chalk can be placed on mobile cushioning pad by the utility model in teaching process, mobile cushioning pad is transferred to the numerical value of shape of will drawing, then spiral arm will be fixed and mobile spiral arm rotates, make the fixing cushion contact of chalk and mobile spiral arm, by transferring knob, the groove on screw thread position and mobile spiral arm is clamped, blackboard is drawn.
the utility model with carbon element centering pin for the center of circle, chalk is inserted vertical with blackboard in chalk fork leg drawing, also can be draw parallel with blackboard for ruler in the center of circle with fixed rotating shaft simultaneously, fixing cushion pad is installed at mobile spiral arm place and prevent chalk to extrude generation phenomenon of rupture.
the utility model integrates compasses, ellipsograph, protractor, ruler, set square, design science, convenient and practical, in time drawing oval, only screw button need be coordinated just can to draw ellipse, when fixing spiral arm and mobile spiral arm are rotated to maximum time with a cord, beam spiral arm is 180 degree, teacher's pointer can be worked as impart knowledge to students, plotter is processed with the circular hole of different radii, can directly draw the circle of different radii, save the time, improve efficiency of teaching.
the tip of centering pin of the present utility model adopts carbon materials, blackboard can not produce drift phenomenon, also can not cause damage to blackboard, two spiral arms are also provided with one group of LED illumination lamp, can draw under the environment of light deficiency, avoid the mistake causing drawing numerical value, to the impact brought of imparting knowledge to students.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present utility model.
detailed description of the invention:
embodiment 1:
a kind of Multifunctional math teaching aid, its composition comprises: plotter 1, the circle centre position of described plotter is connected with fixed rotating shaft 6, described fixed rotating shaft is connected with fixing spiral arm 2 and mobile spiral arm 3 respectively, described fixing spiral arm and described mobile spiral arm are rotated by described fixed rotating shaft, the bottom of described fixing spiral arm is connected with carbon element centering pin 4, and the bottom of described mobile spiral arm is connected with chalk fork leg 5.
embodiment 2:
multifunctional math teaching aid according to embodiment 1, described fixing spiral arm is separately installed with mobile cushioning pad 7, knob 9 and LED illumination lamp 1, described mobile spiral arm is separately installed with fixing cushion pad 8 and LED illumination lamp 2 11, described mobile spiral arm has groove 14 and penetrating bar-shaped trough 13, described penetrating bar-shaped trough is provided with screw and turns round 12.
embodiment 3:
multifunctional math teaching aid according to embodiment 1 or 2, described plotter has one group of same radius and in the circular port A15 of cross array, the circumferential location of described circular port A has scale, the circumference place of described plotter has scale value and array has the circular port B16 of one group of different radii, and described cantilever mounted and described mobile spiral arm edge have scale value respectively.
embodiment 4:
multifunctional math teaching aid according to embodiment 1 or 2 or 3, described mobile cushioning pad can move on described fixing spiral arm, and described screw is turned round and can be moved on described penetrating bar-shaped trough.
Claims (4)
1.
a kind of Multifunctional math teaching aid, its composition comprises: plotter, it is characterized in that: the circle centre position of described plotter is connected with fixed rotating shaft, described fixed rotating shaft is connected with fixing spiral arm and mobile spiral arm respectively, described fixing spiral arm and described mobile spiral arm are rotated by described fixed rotating shaft, the bottom of described fixing spiral arm is connected with carbon element centering pin, and the bottom of described mobile spiral arm is connected with chalk fork leg.
2.
multifunctional math teaching aid according to claim 1, it is characterized in that: described fixing spiral arm is separately installed with mobile cushioning pad, knob and LED illumination lamp one, described mobile spiral arm is separately installed with fixing cushion pad and LED illumination lamp two, described mobile spiral arm has groove and penetrating bar-shaped trough, described penetrating bar-shaped trough is provided with screw and turns round.
3.
multifunctional math teaching aid according to claim 1 and 2, it is characterized in that: described plotter has one group of same radius and in the circular port A of cross array, the circumferential location of described circular port A has scale, the circumference place of described plotter has scale value and array has the circular port B of one group of different radii, and described cantilever mounted and described mobile spiral arm edge have scale value respectively.
4.
multifunctional math teaching aid according to claim 2, is characterized in that: described mobile cushioning pad can move on described fixing spiral arm, and described screw is turned round and can be moved on described penetrating bar-shaped trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167306.6U CN204547485U (en) | 2015-03-24 | 2015-03-24 | Multifunctional math teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167306.6U CN204547485U (en) | 2015-03-24 | 2015-03-24 | Multifunctional math teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204547485U true CN204547485U (en) | 2015-08-12 |
Family
ID=53822640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520167306.6U Expired - Fee Related CN204547485U (en) | 2015-03-24 | 2015-03-24 | Multifunctional math teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204547485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773235A (en) * | 2018-06-14 | 2018-11-09 | 黄永怀 | A kind of combined type mathematical education drawing instrument |
| CN113071252A (en) * | 2021-05-13 | 2021-07-06 | 曲靖师范学院 | Be applied to mathematical education's multi-functional teaching aid pole |
-
2015
- 2015-03-24 CN CN201520167306.6U patent/CN204547485U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773235A (en) * | 2018-06-14 | 2018-11-09 | 黄永怀 | A kind of combined type mathematical education drawing instrument |
| CN113071252A (en) * | 2021-05-13 | 2021-07-06 | 曲靖师范学院 | Be applied to mathematical education's multi-functional teaching aid pole |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20180324 |