CN205130735U - Multifunctional mathematical teaching aid - Google Patents
Multifunctional mathematical teaching aid Download PDFInfo
- Publication number
- CN205130735U CN205130735U CN201520916516.0U CN201520916516U CN205130735U CN 205130735 U CN205130735 U CN 205130735U CN 201520916516 U CN201520916516 U CN 201520916516U CN 205130735 U CN205130735 U CN 205130735U
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- China
- Prior art keywords
- main scale
- teaching aid
- described main
- chi
- scale
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Abstract
The utility model discloses a multifunctional mathematical teaching aid, including the main scale, the both sides face of main scale all is equipped with the spout, it is equipped with chalk fixing device to slide in the spout, the top back of main scale is equipped with magnet, the end of main scale is equipped with the cavity that runs through afterbody and up end, slide in the cavity and be equipped with vice chi, the top of main scale is equipped with the bar through -hole that runs through upper and lower terminal surface, be equipped with the commentaries on classics chi in the bar through -hole, change the chi with the main scale is in the head of main scale is articulated. The utility model discloses collect teaching aid function in an organic wholes such as ruler, compasses, set square, protractor, not only use nimble, convenient, small in size moreover, it is more convenient to carry.
Description
Technical field
The utility model relates to teaching aid technical field, is specifically related to a kind of Multifunctional math teaching aid.
Background technology
Teachers ' teaching needs various teaching aid, math teacher is except chalk, blackboard eraser, teaching pole, also need the various teaching aids such as ruler, set square, compasses, therefore, math teacher often needs carry multiple different teaching aid class hour simultaneously, not only carry inconvenience, and use more inconvenient, may ruler be finished, put down and take set square again, be finished set square and take compasses etc. again, very loaded down with trivial details.
At present, although also there is Multifunctional teaching aid to come out, mostly design unreasonable, not humane, use and carry and still there is inconvenience, unpractical problem.The utility model patent being 201120139186.0 as number of patent application discloses a kind of mathematics teaching aid, although ruler, set square, protractor and compasses are combined as a whole by it, the Multifunctional teaching aid being collection picture circle, angulation, picture straight line and using as set square, but can not fold, corner angle are too many, deposit and carry equal inconvenience.
Summary of the invention
Technical problem to be solved in the utility model is: the deficiency existed for prior art, provides a kind of and can fold, compact, to carry and Multifunctional math teaching aid easy to use.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of Multifunctional math teaching aid, comprise main scale, the two sides of described main scale are equipped with chute, and sliding in described chute is provided with chalk fixing device, and the back side, top of described main scale is provided with magnet; The end of described main scale is provided with the cavity running through afterbody and upper surface, and sliding in described cavity is provided with secondary chi; The top of described main scale is provided with the strip through-hole running through upper and lower end face, is provided with and turns chi in described strip through-hole, described in turn chi and described main scale is hinged at the head of described main scale.
As a kind of technical scheme of improvement, described chalk fixing device comprises the sliding shoe be slidably arranged in described chute, and described sliding shoe lower end is provided with a chalk clamping part, and described chalk retaining part is in described main scale lower edge place.
As a kind of technical scheme of improvement, described sliding shoe is provided with fastener.
As the preferred technical scheme of one, described fastener is fastening bolt.
As a kind of technical scheme of improvement, two edges up and down of described main scale are equipped with scale, and the upper edge of described secondary chi is provided with scale.
As a kind of technical scheme of improvement, described in turn chi and described main scale hinged place be provided with angle measuring calibration dish.Described turn chi rotate time, by overlapping with the angle of angle measuring calibration dish, can angle measuring function be realized.
Owing to have employed technique scheme, the beneficial effects of the utility model are:
The two sides of main scale of the present utility model are equipped with chute, slide in described chute and be provided with chalk fixing device, the back side, top of described main scale is provided with magnet, by magnet, hosting one end is fixed on blackboard, slip chalk fixing device is to the length needed, and rotary ruler combination just can draw the circle needing radius; The end of described main scale is provided with the cavity running through afterbody and upper surface, and sliding in described cavity is provided with secondary chi, and the length that secondary chi pull-out needs can be drawn longer length, this structure makes the entire length of teaching aid shorten, and more conveniently carries; The top of described main scale is provided with the strip through-hole running through upper and lower end face, is provided with and turns chi in described strip through-hole, described in turn chi and described main scale is hinged at the head of described main scale, by turning chi, can angle measuring function be realized, and can use as triple-angle.
Chalk fixing device of the present utility model comprises the sliding shoe be slidably arranged in described chute, described sliding shoe lower end is provided with a chalk clamping part, described chalk retaining part is in described main scale lower edge place, and being located at lower edge can not affect effect when using as ruler.
Two edges up and down of described main scale are equipped with scale, and when drawing circle as compasses, Control Radius length is more accurate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the rear structure schematic diagram of the utility model embodiment.
In figure, 1. main scale; 2. chute; 3. chalk fixing device; 31. sliding shoes; 32. chalk clamping parts; 33. fastening bolts; 4. magnet; 5. cavity; 6. secondary chi; 7. strip through-hole; 8. turn chi; 9. scale; 10. angle measuring calibration dish.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
As Fig. 1 and Fig. 2 jointly shown in, a kind of Multifunctional math teaching aid, comprises main scale 1, and the two sides of described main scale 1 are equipped with chute 2, and sliding in described chute 2 is provided with chalk fixing device 3, and the back side, top of described main scale 1 is provided with magnet 4; The end of described main scale 1 is provided with the cavity 5 running through afterbody and upper surface, and sliding in described cavity 5 is provided with secondary chi 6; The top of described main scale 1 is provided with the strip through-hole 7 running through upper and lower end face, is provided with and turns chi 8 in described strip through-hole 7, described in turn chi 8 hinged at the head of described main scale 1 with described main scale 1.Two edges up and down of described main scale 1 are equipped with scale 9, and the upper edge of described secondary chi 6 is provided with scale; The described chi 8 that turns is provided with angle measuring calibration dish 10 with the hinged place of described main scale 1.Described turn chi 8 rotate time, by overlapping with the angle of angle measuring calibration dish 10, can angle measuring function be realized.
As a kind of concrete embodiment, described chalk fixing device 3 comprises the sliding shoe 31 be slidably arranged in described chute 2, and described sliding shoe 31 lower end is provided with a chalk clamping part 32, and described chalk clamping part 32 is positioned at described main scale 1 lower edge place.
As a kind of concrete embodiment, described sliding shoe 32 is provided with fastening bolt 33.
Multifunctional math teaching aid of the present utility model, turning chi 8 goes in strip through-hole 7, secondary chi 6 slides in cavity 5, is exactly the ruler of a square-folded strip, very conveniently carries, during use, when using as compasses, hold blackboard as the center of circle with magnet 4, by slip sliding shoe 31 to required radius length, then tightened by fastening bolt 33, namely the afterbody of rotatable main scale 1 draws circle; When rotating to turn chi 8 arbitrarily angled, can draw angle at any angle, time inadequate as ruler length, secondary chi 6 can also be stretched out, reach the length of needs, use is carried all very convenient.
Claims (6)
1. a Multifunctional math teaching aid, is characterized in that: comprise main scale, and the two sides of described main scale are equipped with chute, and sliding in described chute is provided with chalk fixing device, and the back side, top of described main scale is provided with magnet; The end of described main scale is provided with the cavity running through afterbody and upper surface, and sliding in described cavity is provided with secondary chi; The top of described main scale is provided with the strip through-hole running through upper and lower end face, is provided with and turns chi in described strip through-hole, described in turn chi and described main scale is hinged at the head of described main scale.
2. a kind of Multifunctional math teaching aid as claimed in claim 1, it is characterized in that: described chalk fixing device comprises the sliding shoe be slidably arranged in described chute, described sliding shoe lower end is provided with a chalk clamping part, and described chalk retaining part is in described main scale lower edge place.
3. a kind of Multifunctional math teaching aid as claimed in claim 2, is characterized in that: described sliding shoe is provided with fastener.
4. a kind of Multifunctional math teaching aid as claimed in claim 3, is characterized in that: described fastener is fastening bolt.
5. a kind of Multifunctional math teaching aid as claimed in claim 1, is characterized in that: two edges up and down of described main scale are equipped with scale, and the upper edge of described secondary chi is provided with scale.
6. a kind of Multifunctional math teaching aid as claimed in claim 1, is characterized in that: described in turn chi and described main scale hinged place be provided with angle measuring calibration dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916516.0U CN205130735U (en) | 2015-11-17 | 2015-11-17 | Multifunctional mathematical teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916516.0U CN205130735U (en) | 2015-11-17 | 2015-11-17 | Multifunctional mathematical teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205130735U true CN205130735U (en) | 2016-04-06 |
Family
ID=55616556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520916516.0U Expired - Fee Related CN205130735U (en) | 2015-11-17 | 2015-11-17 | Multifunctional mathematical teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205130735U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856919A (en) * | 2016-05-15 | 2016-08-17 | 潍坊科技学院 | Teaching tool |
| CN106585220A (en) * | 2016-12-20 | 2017-04-26 | 张运 | Full-automatic portable multifunctional ruler |
| CN108773235A (en) * | 2018-06-14 | 2018-11-09 | 黄永怀 | A kind of combined type mathematical education drawing instrument |
| CN109109523A (en) * | 2018-08-23 | 2019-01-01 | 蒋永梅 | A kind of ruler integral type teaching aid for modern mathematics teaching |
-
2015
- 2015-11-17 CN CN201520916516.0U patent/CN205130735U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856919A (en) * | 2016-05-15 | 2016-08-17 | 潍坊科技学院 | Teaching tool |
| CN106585220A (en) * | 2016-12-20 | 2017-04-26 | 张运 | Full-automatic portable multifunctional ruler |
| CN108773235A (en) * | 2018-06-14 | 2018-11-09 | 黄永怀 | A kind of combined type mathematical education drawing instrument |
| CN109109523A (en) * | 2018-08-23 | 2019-01-01 | 蒋永梅 | A kind of ruler integral type teaching aid for modern mathematics teaching |
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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: 20160406 Termination date: 20161117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |