CN204820804U - Multi -functional teaching aid - Google Patents
Multi -functional teaching aid Download PDFInfo
- Publication number
- CN204820804U CN204820804U CN201520463817.2U CN201520463817U CN204820804U CN 204820804 U CN204820804 U CN 204820804U CN 201520463817 U CN201520463817 U CN 201520463817U CN 204820804 U CN204820804 U CN 204820804U
- Authority
- CN
- China
- Prior art keywords
- support
- teaching aid
- drawing rope
- locating hole
- multifunctional teaching
- 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
Links
- 238000010586 diagram Methods 0.000 description 6
- 230000008034 disappearance Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a multi -functional teaching aid, includes: first support and second support, wherein the first end of first support with the first end of second support is articulated each other, the second end of first support is provided with centre of a circle fulcrum, the second end of second support is provided with the chalk locating hole, first support with the second support is provided with first strip groove and the second strip groove of having a perfect understanding respectively along vertical orientation first strip groove with second strip inslot is provided with respectively can gliding first locating hole and second locating hole. The utility model discloses a multi -functional teaching aid can make the teacher only use in the multiple figure of needs drawing the utility model discloses a multi -functional teaching aid required multiple figure that can draw up has that the function is various, convenient to carry, easy operation, an advantage of saving time.
Description
Technical field
The utility model relates to teaching aid, particularly relates to a kind of Multifunctional teaching aid.
Background technology
In the school instruction in each stage, teaching aid is the requisite instrument of instructors, especially in the middle of the teaching of secondary and high school mathematics class, teacher draws various figure and be unable to do without teaching aid, such as draw straight line and need ruler, draw angle, triangle, polygon, except needs ruler also requirement hornwork, draw circular, fan-shapedly just need compasses, and draw oval, hyperbola needs again special drawing tools, if in the middle of a class, when needing to draw above-mentioned multiple figure, teacher just needs to carry corresponding multiple teaching aid, not only carry inconvenience, carry out changing also pretty troublesome when picture different graphic.
Utility model content
For solving the problem, the utility model provides a kind of Multifunctional teaching aid, and teacher can be made to use a kind of teaching aid can draw required multiple figure, to solve the defect that prior art exists.
For achieving the above object, the utility model provides a kind of Multifunctional teaching aid, and this Multifunctional teaching aid comprises: the first support and the second support, and the first end of wherein said first support and the first end of described second support are hinged; Second end of described first support is provided with center of circle fulcrum, and the second end of described second support is provided with chalk locating hole; Described first support and described second support are respectively arranged with the first through strip slot and the second strip slot along the longitudinal direction, are respectively arranged with first locating hole and the second locating hole that can slide in described first strip slot and described second strip slot.
In a preferred embodiment, the part that is hinged of described first support and the second support is for being provided with the disc-shape of protractor.
In a preferred embodiment, the side of described first strip slot and described second strip slot is provided with graduated scale.
In a preferred embodiment, described first locating hole and described second locating hole are provided with set screw, to enable described first locating hole and described second locating hole fixed position.
In a preferred embodiment, also comprise ellipse drawing rope, the two ends of this ellipse drawing rope are respectively arranged with the pilot pin that can be fixed in described first locating hole and described second locating hole.
The pilot pin at described ellipse drawing rope two ends is provided with the through hole that can pass through for described ellipse drawing rope, described through hole vertical direction is provided with the screw can fixing described ellipse drawing rope, with the length enabling pilot pin adjust described ellipse drawing rope.
In a preferred embodiment, also comprise hyperbolic line drawing rope, described hyperbolic line drawing rope is zipper, and interconnective one end of hyperbolic line drawing rope of this zipper is provided with chalk jack, and separated one end of hyperbolic line drawing rope of this zipper is respectively arranged with pilot pin.
The pilot pin of described hyperbolic line drawing rope is provided with the through hole that can pass through for described hyperbolic line drawing rope, described through hole vertical direction is provided with the screw can fixing described hyperbolic line drawing rope, with the length enabling pilot pin adjust described hyperbolic line drawing rope.
A kind of Multifunctional teaching aid of the present utility model, teacher can be made only to use when needing the multiple figure of picture a kind of Multifunctional teaching aid of the present utility model can draw required multiple figure, there is diverse in function, easy to carry, simple to operate, time saving advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Multifunctional teaching aid;
Fig. 2 is the using state schematic diagram that the utility model Multifunctional teaching aid draws circle;
Fig. 3, Fig. 4 are that the utility model Multifunctional teaching aid draws oval using state schematic diagram;
Fig. 5-Fig. 8 is that the utility model Multifunctional teaching aid draws hyp using state schematic diagram;
Fig. 9 is the structural representation of the ellipse drawing rope pilot pin of the utility model Multifunctional teaching aid;
Figure 10 is the structural representation of the hyperbolic line drawing rope pilot pin of the utility model Multifunctional teaching aid.
Detailed description of the invention
For above-mentioned and other object of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and coordinate institute's accompanying drawings, be described in detail below:
Refer to Fig. 1, Fig. 1 is the structural representation of the utility model Multifunctional teaching aid.As shown in the figure, a kind of Multifunctional teaching aid of the present utility model, comprising: the first support 110 and the second support 210, and wherein the first end of the first support 110 and the first end of the second support 210 are hinged; The second end that second end of the first support 110 is provided with center of circle fulcrum 120, second support 210 is provided with chalk locating hole 220; First support 110 and the second support 210 are respectively arranged with the first through strip slot 130 and the second strip slot 230 along the longitudinal direction, are respectively arranged with first locating hole 140 and second locating hole 240 that can slide in the first strip slot 130 and the second strip slot 230.The part be hinged at the first support 110 and the second support 210, for being provided with the disc-shape 310 of protractor, so just can being crossed and draw angle at any angle.The side of the first strip slot 130 and the second strip slot 230 is provided with graduated scale, as required the first locating hole 140 and the second locating hole 240 can be moved to diverse location, in addition, first locating hole 140 and the second locating hole 240 are provided with set screw 410, this makes it possible to make the first locating hole 140 and the second locating hole 240 can fixed position after moving to desired position, draw various figure to facilitate.
Again as shown in Figure 2, Fig. 2 is the using state schematic diagram that the utility model Multifunctional teaching aid draws circle, when needs picture circle, Multifunctional teaching aid of the present utility model is the same with common compasses to be used, center of circle fulcrum 120 is utilized to fix home position, then in chalk locating hole 220, insert piece of chalk, rotate the operation that the second support can complete picture circle for 210 1 weeks.
Refer to Fig. 3 and Fig. 4 and Fig. 9, Fig. 3, Fig. 4 is that the utility model Multifunctional teaching aid draws oval using state schematic diagram.Multifunctional teaching aid of the present utility model in a preferred embodiment, also comprises ellipse drawing rope 510, and the two ends of this ellipse drawing rope 510 are respectively arranged with the pilot pin 710 that can be fixed in the first locating hole 140 and the second locating hole 240.When picture is oval, definition according to ellipse: track plane to the distance sum of two fixing points being constant, find the distance of two focuses, the position of the first locating hole 140 and the second locating hole 240 is fixed according to this distance, then the pilot pin 710 at ellipse drawing rope 510 two ends is put into respectively among described first locating hole 140 and the second locating hole 240, the length of ellipse drawing rope 510 is set again according to the constant to the distance sum of two fixing points, then chalk is put at this ellipse drawing rope 510 facing to the side of this Multifunctional teaching aid, then above and below this Multifunctional teaching aid, draw oval the first half and the latter half respectively, then this Multifunctional teaching aid is removed, again the curve of disappearance is supplemented complete, the operation of picture ellipse can be completed.
When needs regulate ellipse drawing rope 510 length, come by the pilot pin 710 at these ellipse drawing rope 510 two ends, as shown in Figure 9, the pilot pin 710 at these ellipse drawing rope 510 two ends is provided with the through hole 720 that can pass through for ellipse drawing rope 510, through hole 720 vertical direction is provided with the screw 730 can fixing ellipse drawing rope 510, after the pilot pin 710 at these two ends is moved to ellipse drawing rope 510 Len req, tighten the screws 730 fixes ellipse drawing rope 510, to complete the operation of adjustment ellipse drawing rope 510 length.
Referring to Fig. 5-Fig. 8 and Figure 10, Fig. 5-Fig. 8 is again that the utility model Multifunctional teaching aid draws hyp using state schematic diagram.Multifunctional teaching aid of the present utility model in a preferred embodiment, also comprise hyperbolic line drawing rope 610, hyperbolic line drawing rope 610 is zipper, interconnective one end of hyperbolic line drawing rope 610 of this zipper is provided with chalk jack 620, and separated one end of hyperbolic line drawing rope 610 of this zipper is respectively arranged with pilot pin 810.
When drawing hyp, according to hyp definition: be the track of the point of constant with the absolute value of the range difference of two fixing points (being called focus), find the distance of two focuses, the position of the first locating hole 140 and the second locating hole 240 is fixed according to this distance, then the pilot pin 810 at the separated two ends of hyperbolic line drawing rope 610 is put into respectively among described first locating hole 140 and the second locating hole 240, the length on hyperbolic line drawing rope 610 two limits is set again according to the constant to the difference of the distance of two fixing points, then chalk is put at this chalk jack 620, then move chalk along the direction of drawing slide fastener over to one's side and draw curve, draw curve respectively in the first half of this Multifunctional teaching aid and the latter half, then removing this Multifunctional teaching aid supplements the part of disappearance complete, the hyp operation of picture can be completed.
When needs regulate hyperbolic line drawing rope 610 length, come by the pilot pin 810 at these separated two ends of hyperbolic line drawing rope 610, as shown in Figure 10, the pilot pin 810 at these separated two ends of hyperbolic line drawing rope 610 is provided with the through hole 830 that can pass through for hyperbolic line drawing rope 610, through hole 830 vertical direction is provided with the screw 840 can fixing hyperbolic line drawing rope 610, after the pilot pin 810 at these two ends being moved to hyperbolic line drawing rope 610 Len req, tighten the screws 840 fixes hyperbolic line drawing rope 610, to complete the operation of adjustment hyperbolic line drawing rope 610 length.
Multifunctional teaching aid of the present utility model, teacher can be made only to use when needing the multiple figure of picture a kind of Multifunctional teaching aid of the present utility model can draw required multiple figure, there is diverse in function, easy to carry, simple to operate, time saving advantage.
Claims (8)
1. a Multifunctional teaching aid, is characterized in that, this Multifunctional teaching aid comprises:
First support and the second support, the first end of wherein said first support and the first end of described second support are hinged; Second end of described first support is provided with center of circle fulcrum, and the second end of described second support is provided with chalk locating hole; Described first support and described second support are respectively arranged with the first through strip slot and the second strip slot along the longitudinal direction, are respectively arranged with first locating hole and the second locating hole that can slide in described first strip slot and described second strip slot.
2. Multifunctional teaching aid as claimed in claim 1, is characterized in that:
The part that wherein said first support and the second support are hinged is for being provided with the disc-shape of protractor.
3. Multifunctional teaching aid as claimed in claim 1, is characterized in that:
The side of described first strip slot and described second strip slot is provided with graduated scale.
4. Multifunctional teaching aid as claimed in claim 1, is characterized in that:
Described first locating hole and described second locating hole are provided with set screw, to enable described first locating hole and described second locating hole fixed position.
5. Multifunctional teaching aid as claimed in claim 1, is characterized in that:
Also comprise ellipse drawing rope, the two ends of this ellipse drawing rope are respectively arranged with the pilot pin that can be fixed in described first locating hole and described second locating hole.
6. Multifunctional teaching aid as claimed in claim 5, is characterized in that:
The pilot pin at described ellipse drawing rope two ends is provided with the through hole that can pass through for described ellipse drawing rope, described through hole vertical direction is provided with the screw can fixing described ellipse drawing rope, with the length enabling pilot pin adjust described ellipse drawing rope.
7. Multifunctional teaching aid as claimed in claim 1, is characterized in that:
Also comprise hyperbolic line drawing rope, described hyperbolic line drawing rope is zipper, and interconnective one end of hyperbolic line drawing rope of this zipper is provided with chalk jack, and separated one end of hyperbolic line drawing rope of this zipper is respectively arranged with pilot pin.
8. Multifunctional teaching aid as claimed in claim 7, is characterized in that:
The pilot pin of described hyperbolic line drawing rope is provided with the through hole that can pass through for described hyperbolic line drawing rope, described through hole vertical direction is provided with the screw can fixing described hyperbolic line drawing rope, with the length enabling pilot pin adjust described hyperbolic line drawing rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463817.2U CN204820804U (en) | 2015-07-02 | 2015-07-02 | Multi -functional teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463817.2U CN204820804U (en) | 2015-07-02 | 2015-07-02 | Multi -functional teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204820804U true CN204820804U (en) | 2015-12-02 |
Family
ID=54678438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520463817.2U Expired - Fee Related CN204820804U (en) | 2015-07-02 | 2015-07-02 | Multi -functional teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204820804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312748A (en) * | 2018-03-12 | 2018-07-24 | 浙江工贸职业技术学院 | A multifunctional advanced mathematics learning teaching aid |
-
2015
- 2015-07-02 CN CN201520463817.2U patent/CN204820804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312748A (en) * | 2018-03-12 | 2018-07-24 | 浙江工贸职业技术学院 | A multifunctional advanced mathematics learning teaching aid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202123849U (en) | Multifunctional conic section plotter for teaching | |
| CN205130735U (en) | Multifunctional mathematical teaching aid | |
| CN103496270A (en) | Multifunctional drawing ruler | |
| CN204712734U (en) | Telescopic compound teaching aid | |
| CN201979940U (en) | Drawing ruler used by mathematics teachers | |
| CN104139652B (en) | A kind of Multifunctional shape changeable rule | |
| CN203172274U (en) | Modified compasses | |
| CN203567419U (en) | Mathematics teaching appliance | |
| CN202923227U (en) | Multifunctional mathematical drawing rule | |
| CN203600838U (en) | Mathematical teaching aid | |
| CN204309474U (en) | Novel English teaching scriber | |
| CN203681080U (en) | Compass for teaching | |
| CN203557889U (en) | Multifunctional scale | |
| CN203937396U (en) | A kind of teaching aid of drawing oval arc angle line | |
| CN205255844U (en) | Multifunctional teaching ruler | |
| CN204488315U (en) | Multifunctional math teaching aid | |
| CN205997593U (en) | Chi drawn by parabola | |
| CN201941411U (en) | Combined teaching aid | |
| CN204354677U (en) | Mathematical education assistant teaching aid | |
| CN205272970U (en) | Napier's compasses teaching aid | |
| CN203792978U (en) | Multifunctional ruler for mathematical education | |
| CN202495179U (en) | Junior high school mathematics teaching aid | |
| CN203110681U (en) | Ruler for elementary school mathematics teaching | |
| CN202615652U (en) | Multifunctional pointer | |
| CN203528145U (en) | Mathematical movable ruler device for teaching |
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: 20151202 Termination date: 20170702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |