CN109841123B - Be used for multiplication pithy formula education and teaching apparatus - Google Patents
Be used for multiplication pithy formula education and teaching apparatus Download PDFInfo
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- CN109841123B CN109841123B CN201910276009.8A CN201910276009A CN109841123B CN 109841123 B CN109841123 B CN 109841123B CN 201910276009 A CN201910276009 A CN 201910276009A CN 109841123 B CN109841123 B CN 109841123B
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Abstract
The invention belongs to the field of education and teaching, and particularly relates to an education and teaching tool for multiplication tables, which comprises a base, wherein the upper end of the base is provided with a supporting rod, the supporting rod is connected with the base through an adjusting mechanism, the upper end of the supporting rod is fixedly connected with a cross rod, seven damping bearings are rotatably connected on the cross rod, a first rotary table, a second rotary table, a third rotary table, a fourth rotary table and a fifth rotary table are respectively and fixedly connected on the seven damping bearings from left to right, sixth carousel and seventh carousel, first carousel, second carousel, fourth carousel, sixth carousel and seventh carousel are carved with 1-9's figure, and the third is carved with "x" and the calculation symbol of dividing or dividing, and the fifth is carved with the relation symbol of "═ on the fifth carousel, and the equal fixedly connected with connecting rod in horizontal pole both ends, the same piece of background board of one end fixedly connected with that the horizontal pole was kept away from to two connecting rods. The invention can realize the function of conversion of multiplication and division teaching by adjusting the relative position relationship between the front panel and the background panel.
Description
Technical Field
The invention belongs to the field of education and teaching, and particularly relates to an educational teaching tool for a multiplication pithy formula.
Background
The multiplication pithy formula is a pithy formula table which is convenient to memorize and used in the mathematics enlightenment period and the learning initial period, and has strong practicability. In the educational teaching process in the current mathematics enlightenment period and the early learning period, the educational teaching mode of the multiplication pithy formula is generally carried out by writing on a blackboard or printing an adsorbable sticker with numeric symbols, and only multiplication operation can be carried out, so that the teaching mode is not flexible and convenient.
To this end, we propose an educational teaching aid for multiplication tables to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides an invention template for a multiplication pithy formula education and teaching tool.
In order to achieve the purpose, the invention adopts the following technical scheme:
the teaching aid for the multiplication pithy formula comprises a base, wherein a supporting rod is arranged at the upper end of the base and is connected with the base through an adjusting mechanism, a cross rod is fixedly connected at the upper end of the supporting rod, seven damping bearings are rotatably connected onto the cross rod, a first rotary disk, a second rotary disk, a third rotary disk, a fourth rotary disk, a fifth rotary disk, a sixth rotary disk and a seventh rotary disk are fixedly connected onto the seven damping bearings from left to right, numbers of-9 are carved on the first rotary disk, the second rotary disk, the fourth rotary disk, the sixth rotary disk and the seventh rotary disk, calculation symbols of x and division are carved on the third rotary disk, relation symbols of ═ are carved on the fifth rotary disk, connecting rods are fixedly connected at two ends of the cross rod, and one end of the two connecting rods, which is far away from the cross rod, is fixedly connected with a same background plate, the novel solar energy collecting device is characterized in that the background plate is provided with strip-shaped through grooves, the front side wall of the background plate is connected with a front plate through a sliding mechanism in a sliding mode, the front plate is provided with six square through grooves, and the background plate and the front plate are limited through a limiting mechanism.
In foretell multiplication pithy formula education and teaching aid, adjustment mechanism includes the arch of fixed connection at the bracing piece lower extreme, be carved with the external screw thread on the arch surface, the base upper end is equipped with the thread groove, threaded connection between arch and the thread groove.
In foretell multiplication pithy formula education and teaching aid, slide mechanism is including setting up the T shape spout on the wall before the background board, fixedly connected with T shape slider on the back lateral wall of leading board, T shape slider sliding connection in T shape spout.
In the above-mentioned educational and teaching aid with multiplication pithy formula, the limiting mechanism comprises two limiting blocks fixedly connected to the two ends of the background plate respectively.
In the above-mentioned educational and teaching aid with multiplication pithy formula, the stopper is the permanent magnet material, leading board is the ferromagnetic material.
In the above-mentioned educational and teaching aid for multiplication pithy formula, the strip-shaped through grooves are matched with the square through grooves.
Compared with the prior art, the template has the advantages that:
1. by arranging the damping bearing, the turntable can rotate to any angle and stay at the angle, so that different numbers and different symbols are converted;
2. according to the invention, the height adjusting function of the tool is realized by arranging the adjusting mechanism, so that the teaching is more convenient;
3. the invention adjusts the relative position between the front plate and the background plate by arranging the sliding mechanism, so that the space matched with the square through groove and the strip-shaped through groove is changed, and the conversion of the calculation method is realized.
Drawings
FIG. 1 is a schematic side view of an educational teaching aid for a multiplication pithy formula according to the present invention;
FIG. 2 is a schematic top view of an educational teaching aid for a multiplication pithy formula provided by the present invention;
FIG. 3 is a schematic structural diagram of the educational teaching appliance with multiplication pithy formula in the teaching of multiplication education provided by the present invention;
FIG. 4 is a schematic structural diagram of the multiplication pithy formula education and teaching tool in division education and teaching provided by the invention.
In the figure, 1 base, 2 supporting rods, 3 adjusting mechanisms, 4 cross rods, 5 damping bearings, 6 first rotating discs, 7 second rotating discs, 8 third rotating discs, 9 fourth rotating discs, 10 fifth rotating discs, 11 sixth rotating discs, 12 seventh rotating discs, 13 connecting rods, 14 background plates, 15 strip-shaped through grooves, 16 sliding mechanisms, 17 front plates, 18 square through grooves, 19 limiting mechanisms, 20 protrusions, 21 threaded grooves, 22T-shaped sliding grooves, 23T-shaped sliding blocks and 24 limiting blocks.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1-4, an educational and teaching aid for multiplication pithy formula comprises a base 1, a support rod 2 is arranged at the upper end of the base 1, the support rod 2 is connected with the base 1 through an adjusting mechanism 3, concretely, the adjusting mechanism 3 comprises a bulge 20 fixedly connected to the lower end of the support rod 2, external threads are carved on the outer surface of the bulge 20, a thread groove 21 is arranged at the upper end of the base 1, and the bulge 20 is in threaded connection with the thread groove 21;
the upper end of the supporting rod 2 is fixedly connected with a cross rod 4, the cross rod 4 is rotatably connected with seven damping bearings 5, the seven damping bearings 5 are respectively and fixedly connected with a first rotary table 6, a second rotary table 7, a third rotary table 8, a fourth rotary table 9, a fifth rotary table 10, a sixth rotary table 11 and a seventh rotary table 12 from left to right, the first rotary table 6, the second rotary table 7, the fourth rotary table 9, the sixth rotary table 11 and the seventh rotary table 12 are marked with numbers of 1-9, the third rotary table 8 is marked with calculation symbols of x and division, and the fifth rotary table 10 is marked with relation symbols of ═ from left to right;
the two ends of the cross bar 4 are fixedly connected with connecting rods 13, one end of each connecting rod 13, which is far away from the cross bar 4, is fixedly connected with the same background plate 14, a strip-shaped through groove 15 is formed in each background plate 14, the front side wall of each background plate 14 is connected with a front plate 17 in a sliding mode through a sliding mechanism 16, the sliding mechanism 16 comprises a T-shaped sliding groove 22 formed in the front side wall of each background plate 14, a T-shaped sliding block 23 is fixedly connected to the rear side wall of each front plate 17, and the T-shaped sliding blocks 23 are connected in the T-shaped sliding grooves 22 in a sliding mode;
be equipped with six square through grooves 18 on the front-mounted board 17, worth mentioning, the bar leads to groove 15 and square through groove 18 phase-match, and it is spacing through stop gear 19 between background board 14 and the front-mounted board 17, and is concrete, and stop gear 19 includes two stopper 24 of fixed connection at background board 14 both ends respectively, and worth mentioning is that stopper 24 is the permanent magnet material, and front-mounted board 17 is the ferromagnetic material.
In the invention, the diameters of the first rotating disc 6, the second rotating disc 7, the third rotating disc 8, the fourth rotating disc 9, the fifth rotating disc 10, the sixth rotating disc 11 and the seventh rotating disc 12 are all larger than the height of the background plate 14, and when the tool works normally, the edge of the rotating discs can be easily touched and rotated to realize the conversion of numbers and the change of symbols.
The working process of the present invention is now described as follows:
1. when the tool is in a multiplication education teaching state, the right end of the front plate 17 is flush with the right end of the background plate 14, the magnetism of the limiting block 24 is limited, the first rotary disc 6 is shielded by the plate surface of the front plate 17 at the moment, the third rotary disc 8 is rotated at the moment, the x calculation symbols on the third rotary disc are flush with the square through groove 18 and the strip-shaped through groove 15 and are exposed, the fifth rotary disc 10 is rotated, the ═ relation symbols on the fifth rotary disc are flush with the square through groove 18 and the strip-shaped through groove 15 and are exposed, as shown in fig. 3, at the moment, the functions of multiplication education teaching are realized only by rotating the second rotary disc 7, the fourth rotary disc 9, the sixth rotary disc 11 and the seventh rotary disc 12, and the numbers 1-9 on the fifth rotary disc are flush with the square through groove 18 and the strip-shaped through groove 15 and are well controlled in multiplication relation among the numbers;
2. when the appliance is in a division education teaching state, the front board 17 is pushed leftwards, the left end of the front board 17 is flush with the left end of the background board 14, the magnetism of the limiting block 24 is limited, the seventh rotary disc 12 is shielded by the board surface of the front board 17 at the moment, the third rotary disc 8 is rotated at the moment, the calculation symbol divided on the third rotary disc is flush with the square through groove 18 and the strip-shaped through groove 15 and exposed, as shown in fig. 4, at the moment, as long as the first rotary disc 6, the second rotary disc 7, the fourth rotary disc 9 and the sixth rotary disc 11 are rotated, the numbers 1-9 on the third rotary disc are flush with the square through groove 18 and the strip-shaped through groove 15 and the division relation among the numbers is well controlled, and the function of division education teaching is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. The teaching aid for the multiplication pithy formula comprises a base (1) and is characterized in that a supporting rod (2) is arranged at the upper end of the base (1), the supporting rod (2) is connected with the base (1) through an adjusting mechanism (3), a cross rod (4) is fixedly connected at the upper end of the supporting rod (2), seven damping bearings (5) are rotatably connected on the cross rod (4), a first rotary disk (6), a second rotary disk (7), a third rotary disk (8), a fourth rotary disk (9), a fifth rotary disk (10), a sixth rotary disk (11) and a seventh rotary disk (12) are respectively and fixedly connected on the seven damping bearings (5) from left to right, numbers of 1-9 are carved on the first rotary disk (6), the second rotary disk (7), the fourth rotary disk (9), the sixth rotary disk (11) and the seventh rotary disk (12), and calculation symbols of ' x ' and ' are carved on the third rotary disk (8), the fifth rotary table (10) is carved with a relation symbol of ═ which is shown in the specification, two ends of the cross rod (4) are fixedly connected with connecting rods (13), one ends, far away from the cross rod (4), of the two connecting rods (13) are fixedly connected with the same background plate (14), the background plate (14) is provided with strip-shaped through grooves (15), the front side wall of the background plate (14) is slidably connected with a front plate (17) through a sliding mechanism (16), the front plate (17) is provided with six square through grooves (18), and the background plate (14) and the front plate (17) are limited through a limiting mechanism (19);
the adjusting mechanism (3) comprises a bulge (20) fixedly connected to the lower end of the supporting rod (2), external threads are carved on the outer surface of the bulge (20), a thread groove (21) is formed in the upper end of the base (1), and the bulge (20) is in threaded connection with the thread groove (21);
the sliding mechanism (16) comprises a T-shaped sliding groove (22) arranged on the front side wall of the background plate (14), a T-shaped sliding block (23) is fixedly connected to the rear side wall of the front plate (17), and the T-shaped sliding block (23) is in sliding connection in the T-shaped sliding groove (22);
the limiting mechanism (19) comprises two limiting blocks (24) which are fixedly connected to the two ends of the background plate (14) respectively; the limiting block (24) is made of a permanent magnet material, and the front plate (17) is made of a ferromagnetic material; the strip-shaped through groove (15) is matched with the square through groove (18);
when the teaching aid for multiplication pithy formula education is in a multiplication education teaching state, the right end of the front board (17) is flush with the right end of the background board (14), the magnetism of the limiting block (24) is limited, the first rotary disc (6) is shielded by the board surface of the front board (17), the third rotary disc (8) is rotated to enable the X calculation symbol on the third rotary disc to be flush with the square through groove (18) and the strip-shaped through groove (15) to be exposed, the fifth rotary disc (10) is rotated to enable the relation symbol on the fifth rotary disc to be flush with the square through groove (18) and the strip-shaped through groove (15) to be exposed, at the moment, only the second rotary disc (7), the fourth rotary disc (9), the sixth rotary disc (11) and the seventh rotary disc (12) are rotated to enable the numbers 1-9 on the fifth rotary disc to be flush with the square through groove (18) and the strip-shaped through groove (15) to be exposed and control the multiplication relation among the numbers, the function of multiplication education and teaching is realized;
when the teaching aid for multiplication pithy formula education is in a division education teaching state, the front board (17) is pushed leftwards, the left end of the front board (17) is enabled to be flush with the left end of the background board (14), the magnetism of the limiting block (24) is limited, the seventh rotary disc (12) is shielded by the board surface of the front board (17), the third rotary disc (8) is rotated at the moment, the calculation symbol on the third rotary disc is enabled to be flush with the square through groove (18) and the strip-shaped through groove (15) to be exposed, at the moment, as long as the first rotary disc (6), the second rotary disc (7), the fourth rotary disc (9) and the sixth rotary disc (11) are rotated, the numbers 1-9 on the third rotary disc are enabled to be flush with the square through groove (18) and the strip-shaped through groove (15) to be exposed, the division relation between the numbers is controlled, and the function of division education teaching is achieved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910276009.8A CN109841123B (en) | 2019-04-08 | 2019-04-08 | Be used for multiplication pithy formula education and teaching apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910276009.8A CN109841123B (en) | 2019-04-08 | 2019-04-08 | Be used for multiplication pithy formula education and teaching apparatus |
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| CN109841123A CN109841123A (en) | 2019-06-04 |
| CN109841123B true CN109841123B (en) | 2021-11-30 |
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Citations (4)
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| FR2511795A1 (en) * | 1981-08-24 | 1983-02-25 | Schlosser Joseph | Mathematical logic toy - has rotating cylinders with numbers in lines which can move horizontally |
| EP0125836A2 (en) * | 1983-05-06 | 1984-11-21 | O'Malley, Arthur Robert | Teaching aid |
| GB8829200D0 (en) * | 1988-12-14 | 1989-01-25 | Gaskell Martin | An operations processor |
| KR20110043242A (en) * | 2009-10-21 | 2011-04-27 | 문석철 | Discourse and operation type clock instrument of education using clock model |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2226322Y (en) * | 1994-05-23 | 1996-05-01 | 马恩余 | Toy box for combining words with phonetic alphabet and calculation |
| CN101599223A (en) * | 2008-06-02 | 2009-12-09 | 南通亿学文具有限公司 | Infant arithmetic magic cylinder |
| CN203520691U (en) * | 2013-10-24 | 2014-04-02 | 宋子建 | Calculator for primary school mathematics teaching |
| CN203673708U (en) * | 2014-01-25 | 2014-06-25 | 陈英 | Mechanical computer binary system teaching aid |
| US10127830B2 (en) * | 2015-02-12 | 2018-11-13 | Tony Jay Ballew | Place value teaching device |
| CN205680329U (en) * | 2016-03-24 | 2016-11-09 | 长春工程学院 | A kind of children arithmetic rotating disk |
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2019
- 2019-04-08 CN CN201910276009.8A patent/CN109841123B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2511795A1 (en) * | 1981-08-24 | 1983-02-25 | Schlosser Joseph | Mathematical logic toy - has rotating cylinders with numbers in lines which can move horizontally |
| EP0125836A2 (en) * | 1983-05-06 | 1984-11-21 | O'Malley, Arthur Robert | Teaching aid |
| GB8829200D0 (en) * | 1988-12-14 | 1989-01-25 | Gaskell Martin | An operations processor |
| KR20110043242A (en) * | 2009-10-21 | 2011-04-27 | 문석철 | Discourse and operation type clock instrument of education using clock model |
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| CN109841123A (en) | 2019-06-04 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shen Qingcui Inventor after: Li Shaobo Inventor before: Li Shaobo |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211112 Address after: 518173 Guangdong Shenzhen Luohu District East Lake street, Wutong Shan Tong Hang station 132 Applicant after: Shen Qingcui Address before: 114000 185 Qianshan Middle Road, Lishan District, Anshan City, Liaoning Province Applicant before: Bao Hongqi |
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