CN214955535U

CN214955535U - Taste teaching aid that primary school's mathematics teaching was used

Info

Publication number: CN214955535U
Application number: CN202121137212.6U
Authority: CN
Inventors: 鲁林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-30
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a taste teaching aid that primary school's mathematical education used relates to teaching aid technical field. The utility model discloses a box, the opening has been seted up at the box top, be provided with in the box and be horizontally loading board, install on the box and act on the lift piece of loading board, through the lift piece drives the loading board removes extremely the box is outside in order to form the user state of loading board, rotate on the loading board and install the bull stick that five at least linear array arranged, wherein two all set firmly the square on the bull stick. The utility model discloses when using, rise through the lift and drive the loading board and rise to the outside position of box, rotate five bull sticks this moment respectively to reach and change digit and operation symbol on the many cubes and the square, consequently reach and demonstrate to add to subtract to take advantage of the purpose of dividing the operation for the student, through the utility model discloses an observation teacher's that back row student can be clear demonstration.

Description

Taste teaching aid that primary school's mathematics teaching was used

Technical Field

The utility model relates to a teaching aid technical field, concretely relates to taste teaching aid that primary school's mathematical education used.

Background

Mathematics is a subject of the concepts such as study quantity, structure, change, space and information, and in human historical development and social life, mathematics also plays irreplaceable effect, also is the essential basic tool of study and research modern science and technology, because mathematics plays important effect in people's daily life and work, therefore mathematics becomes one of the important subjects in modern education system, just because the important effect of mathematics, therefore the education of mathematics begins from primary school, when carrying out the mathematical education of primary school, often use the teaching aid.

What now primary school's mathematics teacher generally adopted in the classroom is traditional mathematics teaching aid, and the student of the back row of being not convenient for observes, and its process is too boring, can not arouse primary school student's study desire usually, hardly mobilizes the enthusiasm that primary school student studied, influences primary school student's learning efficiency, consequently the utility model provides a taste teaching aid that primary school's mathematics teaching used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving the problem in the above-mentioned background art, the utility model provides a taste teaching aid that primary school's mathematical education used.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a taste teaching aid that primary school's mathematical education used, includes the box, the opening has been seted up at the box top, be provided with in the box and be the horizontally loading board, install on the box and act on the lift piece of loading board, through the lift piece drives the loading board removes extremely the box is outside in order to form the user state of loading board, rotate on the loading board and install the bull stick that five at least linear array arranged, wherein two all set firmly the square on the bull stick, one of them the operation symbol that adds and subtracts the multiplication and division is carved on the square, another one the sign that equals is carved on the square, other all set firmly many cubes on the bull stick, every all carved zero to nine digit, two on many cubes the square and three many cubes are crisscross distribution.

Further, the lifting part comprises two sliding blocks which are arranged inside the box body and slide on the same straight line, hinged rods are hinged to the sliding blocks, the hinged rods are hinged to the bearing plate, and the box body is provided with a driving part for driving the sliding blocks to synchronously and reversely slide.

Further, the driving piece comprises a bidirectional screw rod arranged on the box body through a bearing, and the two sliding blocks are in threaded connection with the bidirectional screw rod.

Furthermore, a hand wheel is installed at one end of the bidirectional screw rod, which is positioned outside the box body.

Furthermore, at least five annular bodies arranged in a linear array are fixedly arranged on the bearing plate, and the annular bodies are respectively sleeved on the outer surfaces of the square blocks and the polygon bodies.

Further, the opening is seted up the top of box, T type groove has all been seted up to the both sides at box top, slidable mounting has T type piece in the T type groove, the apron has set firmly on the T type piece.

Further, the box includes receiver one, receiver two is installed to the adjacent side of receiver one, the loading board is located receiver one.

Further, the storage box II comprises a storage box, a first drawer is movably arranged below the storage box, and a second drawer is movably arranged on the adjacent side of the first drawer.

Furthermore, the first drawer and the second drawer are both fixedly provided with a lock catch.

The utility model has the advantages as follows:

1. the utility model discloses when using, rise through the piece that goes up and drive the loading board and rise to the outside position of box, rotate five bull sticks this moment respectively to reach and change digit and operation symbol on the cube and the square, consequently reach and demonstrate the addition and subtraction for the student and take advantage of the purpose of dividing the operation, through the utility model discloses an observation teacher's that back row student can be clear demonstration, interesting teaching has improved the joy of student's study.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a plan view of the present invention;

fig. 3 is a cross-sectional view taken along the line a-a of fig. 2 in accordance with the present invention;

fig. 4 is a cross-sectional view taken in the direction B-B of fig. 2 in accordance with the present invention;

reference numerals: 1. a box body; 101. a first storage box; 102. a second storage box; 1021. a storage box; 1022. a first drawer; 1023. a second drawer; 2. a carrier plate; 3. a lifting member; 301. a slider; 302. a hinged lever; 4. a rotating rod; 5. a square block; 6. a plurality of cubes; 7. a drive member; 701. a bidirectional screw rod; 8. a hand wheel; 9. an annular body; 10. a T-shaped groove; 11. a T-shaped block; 12. a cover plate; 13. and (5) locking.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in figures 1 to 4, the utility model provides an interesting teaching aid for primary school mathematics teaching, which comprises a box body 1, wherein the top of the box body 1 is provided with an opening, a horizontal bearing plate 2 is arranged in the box body 1, a lifting member 3 acting on the bearing plate 2 is arranged on the box body 1, the bearing plate 2 is driven to move to the outside of the box body 1 through the lifting member 3 to form the using state of the bearing plate 2, at least five rotating rods 4 arranged in a linear array are rotatably arranged on the bearing plate 2, the utility model adopts six rotating rods 4, wherein two rotating rods 4 are fixedly provided with a block 5, one block 5 is provided with arithmetic symbols for addition and subtraction, the other block 5 is provided with symbols equal to the arithmetic symbols, other rotating rods 4 are fixedly provided with a plurality of squares 6, each plurality of squares 6 is provided with numbers from zero to nine, two blocks 5 and three pluralities of squares 6 are in staggered distribution, when the utility model is used, the lifting piece 3 is lifted to drive the bearing plate 2 to be lifted to the position outside the box body 1, the first rotating rod 4 is rotated, the rotating rod 4 rotates to change the number on the polygon body 6, then the second rotating rod 4 rotates to change the operation symbol on the square 5, then the third rotating rod 4 rotates to change the number on the polygon body 6, the square 5 fixed on the fourth rotating rod 4 is carved with the same number, the number does not need to be changed in the using process, according to the previous operation, the number obtained by rotating the fifth rotating rod 4 is the operation result, if the operation result is two-digit number, the fifth rotating rod 4 and the sixth rotating rod 4 need to be rotated to change the number on the polygon body 6, then the numbers on the two polygon bodies 6 are the final operation result, the utility model realizes the demonstration that students in the back row can clearly observe teachers, interesting teaching improves the interest of students in learning.

As shown in fig. 3, in some embodiments, the lifting member 3 includes two sliding blocks 301 slidably mounted inside the box 1 and having sliding directions on the same straight line, the sliding blocks 301 are hinged to hinge rods 302, both the hinge rods 302 are hinged to the bearing plate 2, the box 1 is mounted with a driving member 7 for driving the two sliding blocks 301 to synchronously and reversely slide, and by rotation of the driving member 7, the two sliding blocks 301 are driven to synchronously and reversely slide, and the sliding of the two sliding blocks 301 can drive the hinge rods 302 to rotate, so as to change the up-down position of the bearing plate 2.

As shown in fig. 3, in some embodiments, the driving member 7 includes a bidirectional screw 701 bearing-mounted on the box 1, the threads on the bidirectional screw 701 are opposite threads, the two sliding blocks 301 are both in threaded connection with the bidirectional screw 701, the arrangement of the opposite threads on the bidirectional screw 701 realizes that the sliding blocks 301 can reversely and synchronously slide along the direction of the bidirectional screw 701, and finally realizes the adjustment of the up-down position of the bearing plate 2, and the stability of the bearing plate 2 can be ensured by virtue of the self-locking property of the threads.

As shown in fig. 3, in some embodiments, a handwheel 8 is installed at one end of the bidirectional screw rod 701, which is located outside the box body 1, and the handwheel 8 is arranged to facilitate driving of the bidirectional screw rod 701, which is convenient for teachers to feel more convenient and comfortable during use.

As shown in fig. 3, in some embodiments, at least five annular bodies 9 arranged in a linear array are fixedly disposed on the bearing plate 2, the annular bodies 9 are respectively sleeved on the outer surfaces of the square 5 and the multi-square body 6, and the outer surface of the annular body 9 is provided with a gap larger than a number, which is beneficial to blocking other numbers and operation symbols, and is convenient for students to watch.

As shown in fig. 2, in some embodiments, the opening is formed in the top of the box body 1, T-shaped grooves 10 are formed in both sides of the top of the box body 1, T-shaped blocks 11 are slidably mounted in the T-shaped grooves 10, cover plates 12 are fixedly arranged on the T-shaped blocks 11, and by matching the T-shaped grooves 10 with the T-shaped blocks 11, the cover plates 12 can be slid in opposite directions by pushing the two cover plates 12 of the device, and a teacher can also push two handles fixedly arranged on the cover plates 12, so that the device can be opened and closed conveniently and quickly in the using process.

As shown in fig. 1 and 4, in some embodiments, the box 1 includes a first storage box 101, a second storage box 102 is installed on the adjacent side of the first storage box 101, and the bearing plate 2 is located in the first storage box 101, so that a large storage space is added to the device through the arrangement of the second storage box 102, and a teacher can place teaching aids or other teaching articles in the second storage box 102.

As shown in fig. 4, in some embodiments, the second storage box 102 includes a first storage box 1021, a first drawer 1022 is movably installed below the first storage box 1021, a second drawer 1023 is movably installed on an adjacent side of the first drawer 1022, and the second storage box 1021, the first drawer 1022 and the second drawer 1023 are arranged to facilitate a teacher to place some teaching articles except teaching aids.

As shown in fig. 4, in some embodiments, the latches 13 are fixed to both the first drawer 1022 and the second drawer 1023, and the teaching objects in the first drawer 1022 and the second drawer 1023 are prevented from falling out due to the design of the latches 13.

Claims

1. The utility model provides a taste teaching aid that primary school's mathematical education was used, its characterized in that, includes box (1), the opening has been seted up at box (1) top, be provided with in box (1) and be horizontally loading board (2), install on box (1) and act on lift piece (3) of loading board (2), through lift piece (3) drive loading board (2) remove to the box (1) outside is in order to form the user state of loading board (2), rotate on loading board (2) and install bull stick (4) that at least five linear array arranged, wherein two all set firmly block (5) on bull stick (4), one of them the operation symbol that adds and subtracts the multiplication and division is carved on block (5), another one the symbol that equals is carved on block (5), other all set firmly many cubes (6) on bull stick (4), each polygon (6) is marked with numbers from zero to nine, and the two squares (5) and the three polygons (6) are in staggered distribution.

2. The interesting teaching aid for primary school mathematics teaching as claimed in claim 1, wherein said lifting member (3) comprises two sliding blocks (301) slidably mounted inside said box (1) and having sliding directions on the same straight line, said sliding blocks (301) are hinged with hinge rods (302), said hinge rods (302) are hinged with said bearing plate (2), said box (1) is mounted with a driving member (7) for driving said sliding blocks (301) to slide in opposite directions.

3. An interesting teaching aid for primary school mathematics teaching as claimed in claim 2, wherein said driving member (7) comprises a two-way screw (701) bearing-mounted on said case (1), and both of said sliding blocks (301) are screw-connected to said two-way screw (701).

4. An interesting teaching aid for primary school mathematics teaching as claimed in claim 3, wherein a handwheel (8) is mounted at one end of the bidirectional screw rod (701) outside the box body (1).

5. The interesting teaching aid for primary school mathematics teaching as claimed in claim 1, wherein said bearing plate (2) is fixedly provided with at least five ring-shaped bodies (9) arranged in linear array, said ring-shaped bodies (9) are respectively sleeved on the outer surfaces of said square block (5) and said polygon (6).

6. The interesting teaching aid for primary school mathematics teaching as claimed in claim 1, wherein the opening is formed in the top of the box body (1), T-shaped grooves (10) are formed in both sides of the top of the box body (1), T-shaped blocks (11) are slidably mounted in the T-shaped grooves (10), and cover plates (12) are fixedly arranged on the T-shaped blocks (11).

7. An interesting teaching aid for primary school mathematics teaching as claimed in claim 1, wherein said case (1) comprises a first receiving box (101), a second receiving box (102) is mounted adjacent to said first receiving box (101), and said carrier plate (2) is located in said first receiving box (101).

8. An interesting teaching aid for primary school mathematics teaching as claimed in claim 7, wherein said second storage box (102) comprises a first storage box (1021), a first drawer (1022) is movably mounted below said second storage box (1021), and a second drawer (1023) is movably mounted on the adjacent side of said first drawer (1022).

9. An interesting teaching aid for primary school mathematics teaching as claimed in claim 8, wherein the first drawer (1022) and the second drawer (1023) are both provided with a latch (13).