CN209765837U - Multifunctional mathematical teaching device - Google Patents
Multifunctional mathematical teaching device Download PDFInfo
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- CN209765837U CN209765837U CN201920196445.XU CN201920196445U CN209765837U CN 209765837 U CN209765837 U CN 209765837U CN 201920196445 U CN201920196445 U CN 201920196445U CN 209765837 U CN209765837 U CN 209765837U
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- 238000004088 simulation Methods 0.000 claims abstract description 56
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a multifunctional mathematical teaching device, which comprises a first ruler and a second ruler which are mutually vertical, wherein the connecting position of the first ruler and the second ruler is vertically provided with a connecting seat, the connecting seat is rotationally connected with a third ruler, and the ends of the first ruler, the second ruler and the third ruler which are far away from each other are all provided with a magnetic ball; three fourth rulers are arranged, and both ends of each fourth ruler are arc-shaped oblique cutting planes; a plurality of fifth rulers are arranged, one end of each fifth ruler is an arc-shaped oblique cutting surface, and the other end of each fifth ruler is provided with a magnetic ball; each arc-shaped oblique cutting surface is provided with an arc-shaped iron sheet matched with the magnetic ball; the honeycomb-shaped substrate is arranged between the first simulation curve and the second simulation curve. The utility model discloses but the different geometric framework of independent assortment formation, the rotatory process that forms the geometry of demonstration curve that can be audio-visual simultaneously, the student of being convenient for understands, is favorable to improving student's space concept in the teaching.
Description
Technical Field
The utility model relates to a mathematical education technical field, in particular to multi-functional mathematical education device.
Background
At present, in solid geometry teaching, a teacher knows that the key for learning solid geometry lies in establishing a space concept of a student, the space concept of the student needs to be started from a model to be established, and a solid geometry model is a powerful tool for improving the quality of mathematical teaching; in addition, for the geometry formed by curve rotation, the forming process is difficult to visually show to students only through common teaching, so that the forming process also needs to be visually shown to students through a model.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-functional mathematical education device, but the different geometric framework of independent assortment formation, the process of the rotatory geometric solid that forms of demonstration curve that can be audio-visual simultaneously, the student of being convenient for understands, is favorable to improving student's space concept in the teaching.
the above technical purpose of the present invention can be achieved by the following technical solutions: a multifunctional mathematical teaching device comprises a first ruler and a second ruler which are perpendicular to each other, wherein a connecting seat is vertically arranged at the connecting position of the first ruler and the second ruler;
three fourth rulers are arranged, and both ends of each fourth ruler are arc-shaped oblique cutting planes;
A plurality of fifth rulers are arranged, one end of each fifth ruler is an arc-shaped oblique cutting surface, and the other end of each fifth ruler is provided with a magnetic ball;
Each arc-shaped oblique cutting surface is provided with an arc-shaped iron sheet matched with the magnetic ball;
The device comprises a first simulation curve and a second simulation curve which are the same in shape and are oppositely arranged, a honeycomb-shaped base body is arranged between the first simulation curve and the second simulation curve, the honeycomb-shaped base body is matched with the shape of the first simulation curve and can be unfolded in a rotating mode to form a geometric shape, first connecting strips are arranged at two ends of the first simulation curve, the two first connecting strips are parallel to each other and are located on the same plane with the first simulation curve, second connecting strips are arranged at two ends of the second simulation curve, the two second connecting strips are parallel to each other and are located on the same plane with the second simulation curve, a connecting ring is arranged at one end, far away from the first simulation curve, of each first curve, an annular groove is formed in the periphery of each connecting ring, a rotating ring is connected in each annular groove in a rotating mode, and each rotating ring is connected with a corresponding second connecting strip.
by adopting the technical scheme, when the square is needed, the third ruler is rotated to be tightly attached to the first ruler, so that the square is formed and can be used as a square;
when the three-dimensional coordinates are needed, the third ruler is rotated to be perpendicular to the first ruler and the second ruler, and the three-dimensional coordinates can be used;
when tetrahedron teaching is needed, the third ruler is rotated, and the three fourth rulers, the first ruler, the second ruler and the third ruler can form a tetrahedron frame structure through the connection of the arc-shaped iron sheet and the magnetic ball;
When other geometric body teaching is carried out, the plurality of fifth rulers can be connected with the first ruler, the second ruler and the third ruler to form a plurality of geometric body frame structures or the plurality of fifth rulers can be mutually combined to form a plurality of geometric body frame structures through the connection of the arc-shaped iron sheet and the magnetic ball;
when the curve is rotated to form the geometry teaching, the third ruler is rotated to be perpendicular to the first ruler and the second ruler, the two connecting rings are sleeved into the third ruler to be connected with the third ruler, the second simulation curve is pulled to rotate around the third ruler to expand the honeycomb-shaped matrix, and the process that the curve is rotated to form the geometry is displayed.
the utility model discloses a further set up to: the first ruler, the second ruler, the third ruler, the fourth ruler and the fifth ruler are telescopic rods.
Through adopting above-mentioned technical scheme, the transform of geometry body frame is realized to the length of accessible regulation first chi, second chi, third chi, fourth chi, fifth chi.
The utility model discloses a further set up to: the first ruler, the second ruler, the third ruler, the fourth ruler and the fifth ruler are all provided with scales.
through adopting above-mentioned technical scheme, pole and outer pole all are provided with the scale in first chi, second chi, third chi, fourth chi, the fifth chi, and total length equals outer pole scale reading and the scale reading that interior pole stretches out in addition.
The utility model discloses a further set up to: the first simulation curve is a magnetic strip, and the second simulation curve is an iron strip.
By adopting the technical scheme, in a normal state, the honeycomb matrix is extruded in the middle by the first simulation curve and the second simulation curve through suction force, and the first simulation curve or the first simulation curve is sucked together again to completely unfold the honeycomb matrix when rotating around the third ruler to the back.
To sum up, the utility model discloses following beneficial effect has: one, the single fourth ruler and the single fifth ruler can be used as a ruler in teaching;
secondly, the third ruler is rotated to be close to the first ruler to form a square shape, so that the square can be used as a square in teaching;
Thirdly, when the third ruler is rotated to be vertical to the first ruler and the second ruler, the third ruler can be used as a three-dimensional coordinate during teaching;
fourthly, the three fourth rulers, the first ruler, the second ruler and the third ruler can form a tetrahedral frame structure which can be used for tetrahedral teaching;
fifthly, the plurality of fifth rulers, the first ruler, the second ruler and the third ruler can form a plurality of geometric body frame structures, or the plurality of fifth rulers can mutually form a plurality of geometric body frame structures and can be used for teaching other geometric bodies;
Sixthly, pulling the second simulation curve to rotate around the third ruler to expand the honeycomb-shaped substrate, showing the process that the curve rotates to form the geometric body, and increasing the understanding of students on the geometric body formed by the curve rotation;
The seventh ruler, the first ruler, the second ruler, the third ruler, the fourth ruler and the fifth ruler are telescopic rods, and the transformation of the geometric body frame can be realized by adjusting the lengths of the first ruler, the second ruler, the third ruler, the fourth ruler and the fifth ruler;
eighthly, the first ruler, the second ruler, the third ruler, the fourth ruler and the fifth ruler are provided with scales, so that the ruler can be used for measuring, and meanwhile, the change of the geometric shape caused by the change of the length can be clearly seen.
drawings
FIG. 1 is a schematic view of the tetrahedral frame structure assembled by the present invention;
FIG. 2 is a view mainly used for showing the connection relationship among the first ruler, the second ruler and the third ruler;
FIG. 3 is a schematic view of the overall structure of the fourth ruler;
FIG. 4 is a schematic view of the overall structure of the fifth ruler;
FIG. 5 is a schematic view of the overall structure of a fully expanded honeycomb substrate;
Fig. 6 is mainly used for showing the relationship between the first simulation curve and the second simulation curve.
In the figure: 1. a first ruler; 2. a second ruler; 3. a third ruler; 31. a connecting seat, 32, a connecting groove, 33 and a rotating shaft; 34. a connecting end; 4. a fourth ruler; 5. a fifth ruler; 6. an arc-shaped iron sheet; 7. a magnetic ball; 81. a first simulation curve; 82. a second simulation curve; 83. a honeycomb-like substrate; 84. a first connecting bar; 85. a second connecting strip; 86. a connecting ring; 87. an annular groove; 88. and (6) rotating the ring.
Detailed Description
the present invention will be described in further detail with reference to the accompanying drawings.
In the embodiment, a multifunctional mathematical education device, refer to fig. 1-4, including a first ruler 1 and a second ruler 2 which are perpendicular to each other, a connecting seat 31 is vertically arranged at the connecting position of the first ruler 1 and the second ruler 2, the connecting seat 31 is cut downwards to form a connecting groove 32 which is communicated with the outside in the direction of the first ruler 1, a rotating shaft 33 is arranged in the connecting groove 32, the connecting seat 31 is rotatably connected with a third ruler 3 through the rotating shaft 33 in the connecting groove 32, one end of the third ruler 3 close to the connecting seat 31 is provided with a connecting end 34 which is matched with the connecting groove 32 and has a length longer than the depth of the connecting groove 32, the third ruler 3 can rotate perpendicular to the first ruler 1, the third ruler 3 rotates to the maximum extent that the third ruler is perpendicular to the first ruler 1 and the second ruler 2, and the ends of the first ruler 1, the second ruler 2 and the third ruler 3 which;
Three fourth rulers 4 are arranged, and both ends of each fourth ruler 4 are arc-shaped oblique cutting planes;
A plurality of fifth rulers 5 are arranged, one end of each fifth ruler 5 is an arc-shaped oblique cutting surface, and the other end of each fifth ruler 5 is provided with a magnetic ball 7;
each arc-shaped oblique cutting surface is provided with an arc-shaped iron sheet 6 matched with the magnetic ball 7; through the connection of the arc-shaped iron sheet 6 and the magnetic ball 7, the three fourth rulers 4, the first ruler 1, the second ruler 2 and the third ruler 3 can form a tetrahedral frame structure, the plurality of fifth rulers 5, the first ruler 1, the second ruler 2 and the third ruler 3 can form a plurality of geometric frame structures, and the plurality of fifth rulers 5 can mutually form a plurality of geometric frame structures;
the first ruler 1, the second ruler 2, the third ruler 3, the fourth ruler 4 and the fifth ruler 5 are telescopic rods, and the transformation of the geometric body framework is realized by adjusting the lengths of the first ruler 1, the second ruler 2, the third ruler 3, the fourth ruler 4 and the fifth ruler 5; the first ruler 1, the second ruler 2, the third ruler 3, the fourth ruler 4 and the fifth ruler 5 are all provided with scales, wherein the inner rod and the outer rod are both provided with scales, and the total length is equal to the scale reading of the outer rod plus the scale reading extending out of the inner rod; each arc iron sheet 6 is hinged with the corresponding end of the arc inclined cutting surface, so that the corresponding magnetic ball 7 can be always attached to the arc iron sheet 6 when the telescopic length of the first ruler 1, the second ruler 2, the third ruler 3, the fourth ruler 4 and the fifth ruler 5 is changed.
Referring to fig. 5-6, a first simulation curve 81 and a second simulation curve 82 with the same shape are oppositely arranged, a honeycomb substrate 83 is connected between the first simulation curve 81 and the second simulation curve 82, the honeycomb substrate 83 is matched with the first simulation curve 81 in shape and can be rotated and unfolded to form a geometric shape, the first simulation curve 81 is a magnetic stripe, the second simulation curve 82 is an iron stripe, the first simulation curve 81 and the second simulation curve 82 are in a normal state, the honeycomb substrate 83 is extruded in the middle by suction force, and the first simulation curve 81 or the first simulation curve 81 is sucked together to unfold the honeycomb substrate 83 when rotating to the back; the two ends of the first simulation curve 81 are respectively provided with a first connecting strip 84, the two first connecting strips 84 are parallel to each other and are positioned on the same plane with the first simulation curve 81, the two ends of the second simulation curve 82 are respectively provided with a second connecting strip 85, the two second connecting strips 85 are parallel to each other and are positioned on the same plane with the second simulation curve 82, one end of each first connecting strip 84, which is far away from the first simulation curve 81, is provided with a connecting ring 86, the inner shortest width of each connecting ring 86 is equal to the diameter of the magnetic ball 7, the periphery of each connecting ring 86 is provided with an annular groove 87, a rotating ring 88 is rotatably connected in each annular groove 87, and each rotating ring 88 is connected with the corresponding second connecting strip 85.
The use method comprises the following steps: when the square is needed, the third ruler 3 is rotated to be tightly attached to the first ruler 1 to form a square shape, and the square can be used as a square;
when the three-dimensional coordinate is needed, the third ruler 3 is rotated to be perpendicular to the first ruler 1 and the second ruler 2, and the three-dimensional coordinate can be used;
When tetrahedron teaching is needed, the third ruler 3 is rotated, the three fourth rulers 4, the first ruler 1, the second ruler 2 and the third ruler 3 can form a tetrahedron frame structure through the connection of the arc-shaped iron sheet 6 and the magnetic ball 7, and the tetrahedron frame can be changed by adjusting the lengths of the first ruler 1, the second ruler 2, the third ruler 3 and the fourth ruler 4;
when other geometric body teaching is carried out, the plurality of fifth rulers 5 can form a plurality of geometric body frame structures with the first ruler 1, the second ruler 2 and the third ruler 3 through the connection of the arc-shaped iron sheet 6 and the magnetic ball 7, or the plurality of fifth rulers 5 can mutually form a plurality of geometric body frame structures, and the transformation of the geometric body frame can be realized by adjusting the lengths of the first ruler 1, the second ruler 2, the third ruler 3, the fourth ruler 4 and the fifth ruler 5;
when the curve is rotated to form the geometry teaching, the third ruler 3 is rotated to be perpendicular to the first ruler 1 and the second ruler 2, the two connecting rings 86 are sleeved into the third ruler 3 to be connected with the third ruler 3, the second simulation curve 82 is pulled to rotate around the third ruler 3 to expand the honeycomb-shaped substrate 83, the process that the curve is rotated to form the geometry is displayed, and finally the second simulation curve 82 is attracted to the first simulation curve 81 when being rotated to the first simulation curve 81.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a multi-functional mathematical education device, includes mutually perpendicular's first chi (1) and second chi (2), its characterized in that: a connecting seat (31) is vertically arranged at the connecting position of the first ruler (1) and the second ruler (2), the connecting seat (31) is rotatably connected with a third ruler (3), the third ruler (3) is vertically rotated with the first ruler (1), the third ruler (3) is maximally rotated to be perpendicular to the first ruler (1) and the second ruler (2), and the ends, far away from each other, of the first ruler (1), the second ruler (2) and the third ruler (3) are respectively provided with a magnetic ball (7);
three fourth rulers (4) are arranged, and both ends of each fourth ruler (4) are arc-shaped oblique cutting planes;
A plurality of fifth rulers (5) are arranged, one end of each fifth ruler (5) is an arc-shaped oblique cutting surface, and the other end of each fifth ruler is provided with a magnetic ball (7);
each arc-shaped oblique cutting surface is provided with an arc-shaped iron sheet (6) matched with the magnetic ball (7);
A first simulation curve (81) and a second simulation curve (82) which are the same in shape are oppositely arranged, a honeycomb-shaped substrate (83) is arranged between the first simulation curve (81) and the second simulation curve (82), the honeycomb-shaped substrate (83) is matched with the first simulation curve (81) in shape and can be rotated and unfolded to form a geometric shape, first connecting strips (84) are arranged at two ends of the first simulation curve (81), the two first connecting strips (84) are parallel to each other and are positioned on the same plane with the first simulation curve (81), second connecting strips (85) are arranged at two ends of the second simulation curve (82), the two second connecting strips (85) are parallel to each other and are positioned on the same plane with the second simulation curve (82), and a connecting ring (86) is arranged at one end, far away from the first simulation curve (81), of each first connecting strip (84), the periphery of each connecting ring (86) is provided with an annular groove (87), a rotating ring (88) is rotatably connected in each annular groove (87), and each rotating ring (88) is connected with the corresponding second connecting strip (85).
2. the multifunctional mathematical education device according to claim 1, characterized in that: the first ruler (1), the second ruler (2), the third ruler (3), the fourth ruler (4) and the fifth ruler (5) are telescopic rods.
3. the multifunctional mathematical education device according to claim 1, characterized in that: the first ruler (1), the second ruler (2), the third ruler (3), the fourth ruler (4) and the fifth ruler (5) are provided with scales.
4. The multifunctional mathematical education device according to claim 1, characterized in that: the first simulation curve (81) is a magnetic strip, and the second simulation curve (82) is an iron strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196445.XU CN209765837U (en) | 2019-02-14 | 2019-02-14 | Multifunctional mathematical teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196445.XU CN209765837U (en) | 2019-02-14 | 2019-02-14 | Multifunctional mathematical teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209765837U true CN209765837U (en) | 2019-12-10 |
Family
ID=68751975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920196445.XU Expired - Fee Related CN209765837U (en) | 2019-02-14 | 2019-02-14 | Multifunctional mathematical teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209765837U (en) |
-
2019
- 2019-02-14 CN CN201920196445.XU patent/CN209765837U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |