CN218038347U

CN218038347U - Teaching aid for mathematical education

Info

Publication number: CN218038347U
Application number: CN202220702602.1U
Authority: CN
Inventors: 韩锟谊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-12-13
Anticipated expiration: 2032-03-28

Abstract

The utility model belongs to the technical field of education teaching aid, a teaching aid is used in mathematical education, including short limit post, first long frame, the long frame of second, be equipped with a plurality of rotatory interior poles in the first long frame, and two short limit post is located between first long frame, the long frame of second. And a rotary inner groove is formed in the middle of the second long frame. The first long frame and the second long frame are of the same structure, the short side column rotates with the first long frame and the second long frame, and a quadrangle formed by the short side column, the first long frame and the second long frame can be converted into a rectangle or a parallelogram; first long frame, minor face post rotate through rotatory interior pole and connect for under the condition of connecting, can freely change its shape short side post, first long frame, make short side post, first long frame not only can be deformed into the rectangle, can also be deformed into parallelogram, give the real audio-visual impression of student, study comparatively rapidly.

Description

Teaching aid for mathematical education

Technical Field

The utility model belongs to the technical field of education teaching aid, concretely relates to teaching aid is used in mathematical education.

Background

In the primary school mathematics teaching, after a rectangle is converted into a parallelogram with the same length and width, the change of the perimeter and the area of the parallelogram is always a difficult point for pupils to learn and understand. And is particularly a serious and difficult point of primary school mathematics teaching.

The existing practical situation is as follows: the error rate is high each time a student relates to this knowledge point, which results from the lack of understanding of this knowledge point. This is because prior art does not have any fashioned teaching aid to solve this problem, can't give the real audio-visual impression of student, more can't make the student hand in person, leads to not all students can all be in the short time meeting, influences whole teaching progress, and we provide a teaching aid for mathematical education for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching aid is used in mathematical education to solve the student that proposes in the above-mentioned background art and involved this knowledge point error rate at every turn and all be very high, this stems from the lack of understanding this knowledge point. This is because prior art does not have any fashioned teaching aid to solve this problem, can't give the real audio-visual impression of student, more can't make the student hand in person, leads to not all students can all learn the scheduling problem in the short time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a teaching aid for mathematical education, includes short limit post, first long frame, the long frame of second, be equipped with a plurality of rotatory interior poles in the first long frame, and two short limit post is located between first long frame, the long frame of second. The middle part of the second long frame is provided with a rotary inner groove. The first long frame and the second long frame are of the same structure, the short side column rotates with the first long frame and the second long frame, and a quadrangle formed by the short side column, the first long frame and the second long frame can be converted back and forth in the rectangle and the parallelogram.

Preferably, one of them be equipped with in the minor face post and inlay the inner prop, just the tip of inlaying the inner prop is connected with rotatory interior pole, the top of the long frame of second is equipped with the limit ring, inlays inner prop accessible rotatory interior pole and rotates, inlays simultaneously the inner prop and can accomodate in the minor face post, uses very in a flexible way.

Preferably, the lateral wall of short limit post is equipped with the limited baffle, the inside of short limit post has been seted up and has been placed the cavity, just it is located and places the cavity to inlay the inner prop. The top of inlaying the inner column is equipped with the scale, can observe the quadrangle through the scale and become the parallelogram time, its high numerical value to can calculate parallelogram's area fast.

Preferably, a limiting round hole is formed in one side of the embedded inner column, a limiting magnetic block is arranged on one side of the limiting baffle and matched with the limiting round hole, the embedded inner column and the short-edge column can be fixed in a magnetic mode through the limiting magnetic block and the limiting round hole, and therefore the embedded inner column cannot be separated from the short-edge column.

Compared with the prior art, the beneficial effects of the utility model are that:

first long frame, minor face post rotate through rotatory interior pole and connect for short side post, first long frame can freely change its shape under the condition of connecting, make short side post, first long frame not only can shape into the rectangle, can also become parallelogram, in the change shape, short side post, first long frame are comparatively stable, can not separate, it is convenient to use, the student can be operated in person, give the true audio-visual impression of student simultaneously, study comparatively rapidly.

Still rotate in the first long frame and be connected with and inlay the inner prop, like the picture, the surface of inlaying the inner prop still is equipped with the scale, when short limit post, first long frame constantly change its shape, the accessible is inlayed the inner prop and is confirmed parallelogram's height, can obtain parallelogram's area fast, can improve student's computing power, inlay the inner prop simultaneously when short limit post in, prescribe a limit to the round hole, prescribe a limit to magnetic path magnetism and connect for it is more stable in the minor face post to inlay the inner prop.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the rectangular state of the present invention;

FIG. 3 is a perspective view of a structurally defined circular hole of the present invention;

FIG. 4 is an exploded view of the structure of the present invention;

in the figure: 1. a short side column; 11. placing a cavity; 12. a limiting magnetic block; 13. a limiting baffle; 2. a first long frame; 21. rotating the inner rod; 3. a second long frame; 31. a confinement ring; 32. rotating the inner groove; 4. embedding an inner column; 41. a graduated scale; 42. defining a circular aperture.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a teaching aid for mathematical education, includes short limit post 1, first long frame 2, the long frame of second 3, is equipped with a plurality of rotatory interior poles 21 in the first long frame 2, and just two short limit posts 1 are located between first long frame 2, the long frame of second 3. The middle part of the second long frame 3 is provided with a rotary inner groove 32. The first long frame 2 and the second long frame 3 are both of the same structure, and the short side column 1 rotates with the first long frame 2 and the second long frame 3, as shown in fig. 1 and 2, a quadrangle formed by the short side column 1, the first long frame 2 and the second long frame 3 can be converted back and forth in a rectangle or a parallelogram.

As shown in fig. 1, 2 and 3, an embedded inner column 4 is arranged in one of the short side columns 1, the end of the embedded inner column 4 is connected with the rotating inner rod 21, the top of the second long frame 3 is provided with a limiting ring 31, the embedded inner column 4 can rotate through the rotating inner rod 21, and the embedded inner column 4 can be accommodated in the short side column 1 and is very flexible to use.

As shown in fig. 1, 3 and 4, the side wall of the short side column 1 is provided with a limiting baffle 13, the inside of the short side column 1 is provided with a placing cavity 11, and the embedded inner column 4 is located in the placing cavity 11. The top of the embedded inner column 4 is provided with a graduated scale 41, and when the parallelogram is changed into the parallelogram, the high numerical value can be observed through the graduated scale 41, and the area of the parallelogram can be rapidly calculated.

As shown in fig. 3 and 4, a limiting round hole 42 is formed in one side of the embedded inner column 4, a limiting magnetic block 12 is arranged on one side of the limiting baffle 13, the limiting magnetic block 12 is matched with the limiting round hole 42 for use, and the embedded inner column 4 and the short-side column 1 can be magnetically fixed through the limiting magnetic block 12 and the limiting round hole 42, so that the embedded inner column 4 cannot be separated from the short-side column 1.

The working principle and the using process are as follows: as shown in fig. 1 and 2, the quadrangle composed of the short side column 1, the first long side frame 2 and the second long side frame 3 can be in a rectangular shape and can be converted into a parallelogram shape back and forth in the parallelogram, when the teaching aid is converted from the rectangular shape to the parallelogram shape, the embedded inner column 4 can be rotated through the rotating inner rod 21, so that the embedded inner column 4 can be rotated out of the short side column 1, when the embedded inner column 4 is rotated to be in a state that the first long side frame 2 is vertical, the embedded inner column 4 is the height of the bottom side of the parallelogram, the height of the parallelogram can be rapidly known through the graduated scale 41, the area of the parallelogram can be calculated, the calculation capacity of students is improved, and the limiting ring 31 can fix the rotating inner rod 21, so that the parallelogram is stable.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a teaching aid for mathematical education, includes short limit post (1), first long frame (2), second long frame (3), its characterized in that: a plurality of rotary inner rods (21) are arranged in the first long frame (2), and the two short side columns (1) are located between the first long frame (2) and the second long frame (3).

2. A teaching aid for mathematical education as claimed in claim 1, characterized in that: the middle part of the second long frame (3) is provided with a rotary inner groove (32).

3. A teaching aid for mathematical education as claimed in claim 1 or 2, wherein: the first long frame (2) and the second long frame (3) are of the same structure, and the short side column (1) rotates with the first long frame (2) and the second long frame (3).

4. A teaching aid for mathematical education as claimed in claim 3, wherein: an embedded inner column (4) is arranged in one of the short side columns (1), the end part of the embedded inner column (4) is connected with a rotating inner rod (21), and a limiting ring (31) is arranged at the top of the second long frame (3).

5. A teaching aid for mathematics as claimed in claim 4, wherein: the lateral wall of short side column (1) is equipped with limited baffle (13), the inside of short side column (1) has been seted up and has been placed cavity (11), just inlay inner prop (4) and be located and place cavity (11).

6. A teaching aid for mathematics as claimed in claim 5, wherein: and the top of the embedded inner column (4) is provided with a graduated scale (41).

7. A teaching aid for mathematics as claimed in claim 5, wherein: and a limiting round hole (42) is formed in one side of the embedded inner column (4), a limiting magnetic block (12) is arranged on one side of the limiting baffle (13), and the limiting magnetic block (12) is matched with the limiting round hole (42) for use.