CN211506860U - Teaching aid for mathematics teaching - Google Patents
Teaching aid for mathematics teaching Download PDFInfo
- Publication number
- CN211506860U CN211506860U CN202020255437.0U CN202020255437U CN211506860U CN 211506860 U CN211506860 U CN 211506860U CN 202020255437 U CN202020255437 U CN 202020255437U CN 211506860 U CN211506860 U CN 211506860U
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- fixed
- opening
- live
- rollers
- plate
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- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model discloses a teaching aid that mathematical education was used, the utility model relates to a teaching auxiliary device technical field, including the bottom plate box, the top of bottom plate box is fixed with the connecting plate, first opening and second opening have been seted up in the front of connecting plate, first open-ended tip is equipped with first live-rollers, second open-ended tip is equipped with the second live-rollers, first live-rollers all rotates with the outside of second live-rollers and installs the carriage, the carriage is fixed mutually with the connecting plate, the top activity of carriage runs through there is the movable rod, the top of movable rod is fixed with the pull ring piece, the extension spring has been cup jointed in the outside activity of movable rod. The utility model discloses can abstract the teaching knowledge into specifically when using, student's of being convenient for understanding arouses student's interest in learning to play good teaching effect, be convenient for write in addition, can fold, save space, be convenient for accomodate, have good practical meaning.
Description
Technical Field
The utility model relates to a teaching auxiliary device technical field especially relates to a teaching aid that mathematical education was used.
Background
Mathematics is a subject for researching the concepts of quantity, structure, change, space, information and the like, belongs to a form science from a certain angle, and is an important subject in the modern education process.
The mathematical operation is most abstract, when the teacher teaches children some basic mathematical operations, because children age is less, understand abstract mathematical knowledge comparatively difficult for whole teaching effect is relatively poor, for solving above-mentioned problem, therefore we provide a teaching aid that mathematical education used.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a teaching aid for mathematical education.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a teaching aid for mathematics teaching comprises a bottom plate box, wherein a connecting plate is fixed at the top of the bottom plate box, a first opening and a second opening are formed in the front of the connecting plate, a first rotating roller is arranged at the end part of the first opening, a second rotating roller is arranged at the end part of the second opening, connecting frames are rotatably mounted on the outer sides of the first rotating roller and the second rotating roller respectively, the connecting frames are fixed with the connecting plate, a movable rod penetrates through the top of the connecting frames movably, a pull ring block is fixed at the top of the movable rod, a tension spring is movably sleeved on the outer side of the movable rod, the top of the tension spring is fixed with the pull ring block, the bottom of the tension spring is fixed with the connecting frames, a turnover plate is movably hinged on one side of the connecting plate, which is far away from the connecting frame, a multiplication pithy formula table is fixed on one side of the connecting plate, and a cover plate is movably hinged on the side of the connecting, the writing board is fixed on the inner wall of the cover plate, and the anti-slip pad is fixed at the bottom of the bottom plate box.
Preferably, the first opening and the second opening are through openings, the cross-sectional geometries of the first opening and the second opening are different, and the number of the first openings is several.
Preferably, the length of the first rotating roller is the same as that of the second rotating roller, the first rotating roller is a regular decaprism, arabic numerals ranging from zero to nine are uniformly distributed on the side surface of the first rotating roller, the second rotating roller is a regular triangular prism, and arithmetic symbols are uniformly distributed on the side surface of the second rotating roller for addition, subtraction and multiplication.
Preferably, ten protruding point blocks are fixed on the front surface and the back surface of the turnover plate respectively, and the turnover plate is a transverse turnover plate.
Preferably, the bottom plate box is formed by movably hinging two opening boxes, and the top of the bottom plate box is fixed with the bottom of the cover plate through a connecting block.
Preferably, a frame is fixed at the edge of the cover plate, and the frame is an elastic frame.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in through setting up connecting plate, first opening, second opening, first live-rollers, connection frame, second live-rollers, movable rod, pull ring piece, extension spring and protrusion point piece for this teaching aid that mathematical education used can abstract the teaching knowledge as concrete when using, and student's of being convenient for understanding arouses student's interest in learning, thereby plays good teaching effect.
2. The utility model discloses in through setting up returning face plate, multiplication pithy formula table, apron, clipboard, slipmat, connecting block and frame, can write relevant knowledge, it is very convenient to use, can fold the teaching aid that this mathematical education used after finishing using, saves space, is convenient for accomodate.
To sum up, this teaching aid that mathematical education used can abstract the teaching knowledge into specifically when using, and student's interest in learning is aroused in the student's of being convenient for understanding to play good teaching effect, be convenient for write in addition, can fold, save space, be convenient for accomodate, have good practical meaning.
Drawings
Fig. 1 is a schematic view of an appearance structure of a teaching aid for mathematical education provided by the present invention;
FIG. 2 is a schematic view of a cross-sectional structure of a connection frame of a teaching aid for mathematical education according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: the novel multifunctional writing board comprises a bottom board box 1, a connecting board 2, a first opening 3, a second opening 4, a first rotating roller 5, a connecting frame 6, a second rotating roller 7, a movable rod 8, a pull ring block 9, a tension spring 10, a turnover board 11, a multiplication pithy formula table 12, a cover board 13, a writing board 14, an anti-skid pad 15, a protruding point block 16, a connecting block 17 and a frame 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a teaching aid for mathematical education comprises a bottom plate box 1, a connecting plate 2 is fixed on the top of the bottom plate box 1, a first opening 3 and a second opening 4 are arranged on the front surface of the connecting plate 2, a first rotating roller 5 is arranged at the end of the first opening 3, a second rotating roller 7 is arranged at the end of the second opening 4, a connecting frame 6 is rotatably arranged on the outer sides of the first rotating roller 5 and the second rotating roller 7, the connecting frame 6 is fixed with the connecting plate 2, a movable rod 8 is movably penetrated through the top of the connecting frame 6, a pull ring block 9 is fixed on the top of the movable rod 8, a tension spring 10 is movably sleeved on the outer side of the movable rod 8, the top of the tension spring 10 is fixed with the pull ring block 9, the bottom of the tension spring 10 is fixed with the connecting frame 6, a turnover plate 11 is movably hinged on the side of the connecting plate 2 far away from the connecting frame 6, a multiplication pithy formula 12 is fixed on the side, the side edge of the connecting plate 2 is movably hinged with a cover plate 13, the inner wall of the cover plate 13 is fixed with a writing board 14, and the bottom of the bottom plate box 1 is fixed with an anti-skid pad 15.
The first opening 3 and the second opening 4 are through openings, the cross sections of the first opening 3 and the second opening 4 are different in geometric shape, so that the first opening 3 and the second opening 4 are convenient to distinguish, the number of the first opening 3 is a plurality, the lengths of the first rotating roller 5 and the second rotating roller 7 are the same, the first rotating roller 5 is a regular cross prism, the side surface of the first rotating roller 5 is uniformly distributed with Arabic numerals from zero to nine, the second rotating roller 7 is a regular triangular prism, the side surface of the second rotating roller 7 is uniformly distributed with operation symbols for addition and subtraction, ten protruding point blocks 16 are respectively fixed on the front surface and the back surface of the turnover plate 11, the point blocks 16 are convenient for image number transfer, the turnover plate 11 is a transverse turnover plate, the bottom plate box 1 is formed by movably hinging two opening boxes, so that articles such as erasing blocks and writing pens can be stored conveniently, the top of the bottom plate box 1 is fixed with the bottom of the cover plate 13 through a connecting block 17, the edge of the cover plate 13 is fixed with a frame, and the side frame 18 is an elastic frame to prevent pinching and shock absorption effects when folded.
The working principle is as follows: when the teaching aid is used, firstly, the teaching aid for mathematical teaching is unfolded, at the moment, the frame 18 is separated from the connecting plate 2, then the movable rod 8 is pulled upwards through the pull ring block 9, at the moment, the tension spring 10 is deformed, a required algorithm symbol appears in the second opening 4 by rotating the second rotating roller 7, then the pull ring block 9 is loosened to enable the bottom end of the movable rod 8 to be extruded with the second rotating roller 7, so that the limit of the second rotating roller 7 is completed, corresponding numbers appear in the first opening 3 by repeating the operation, when explaining figures are full of decimal related knowledge points, the turnover plate 11 is turned to the increasing direction of the numbers at the moment, and simultaneously the corresponding numbers are changed, so that the teaching becomes more vivid and stereoscopic, thereby achieving good teaching effect and stimulating the learning interest of students, in addition, the teacher can write related knowledge on the writing board 14, the use is very convenient, the teaching aid for mathematical education can be folded after the use is finished, the space is saved, and the storage is convenient.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The teaching aid for mathematics teaching comprises a bottom plate box (1) and is characterized in that a connecting plate (2) is fixed at the top of the bottom plate box (1), a first opening (3) and a second opening (4) are formed in the front of the connecting plate (2), a first rotating roller (5) is arranged at the end of the first opening (3), a second rotating roller (7) is arranged at the end of the second opening (4), a connecting frame (6) is installed on the outer sides of the first rotating roller (5) and the second rotating roller (7) in a rotating mode, the connecting frame (6) is fixed with the connecting plate (2), a movable rod (8) penetrates through the top of the connecting frame (6) in a movable mode, a pull ring block (9) is fixed at the top of the movable rod (8), a tension spring (10) is sleeved on the outer side of the movable rod (8), and the top of the tension spring (10) is fixed with the pull ring block (9), the bottom of extension spring (10) is fixed mutually with connecting frame (6), one side activity hinge that connecting frame (6) were kept away from in connecting plate (2) has returning face plate (11), one side of keeping away from connecting frame (6) of connecting plate (2) is fixed with multiplication pithy formula table (12), the side activity hinge of connecting plate (2) has apron (13), the inner wall of apron (13) is fixed with clipboard (14), the bottom of bottom plate box (1) is fixed with slipmat (15).
2. A teaching aid for mathematical education as claimed in claim 1, wherein the first opening (3) and the second opening (4) are through openings, the cross-sectional geometry of the first opening (3) and the second opening (4) is different, and the number of the first opening (3) is several.
3. The teaching aid of claim 1, characterized in that, first live-rollers (5) are the same with the length of second live-rollers (7), first live-rollers (5) are the positive deca-prism, cloth is equallyd divide to have arabic numeral zero to nine in the side of first live-rollers (5), second live-rollers (7) are the positive triangular prism, the side equipartition of second live-rollers (7) calculates the sign and adds and subtracts the multiplication.
4. A teaching aid for mathematics teaching as claimed in claim 1, wherein ten protruding point blocks (16) are fixed on the front and back surfaces of said turning plate (11), respectively, and said turning plate (11) is a transverse turning plate.
5. A teaching aid for mathematics teaching according to claim 1, characterized in that the bottom box (1) is formed by two open boxes hinged together, the top of the bottom box (1) is fixed to the bottom of the cover plate (13) by means of a connecting block (17).
6. A teaching aid as claimed in claim 1, wherein a frame (18) is fixed to the edge of the cover plate (13), and the frame (18) is a resilient frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020255437.0U CN211506860U (en) | 2020-03-03 | 2020-03-03 | Teaching aid for mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020255437.0U CN211506860U (en) | 2020-03-03 | 2020-03-03 | Teaching aid for mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211506860U true CN211506860U (en) | 2020-09-15 |
Family
ID=72402308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020255437.0U Expired - Fee Related CN211506860U (en) | 2020-03-03 | 2020-03-03 | Teaching aid for mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211506860U (en) |
-
2020
- 2020-03-03 CN CN202020255437.0U patent/CN211506860U/en not_active Expired - Fee Related
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Legal Events
| 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: 20200915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |