CN216635961U

CN216635961U - Teaching board for mathematical education

Info

Publication number: CN216635961U
Application number: CN202220150815.8U
Authority: CN
Inventors: 丛静
Original assignee: Liaoning Institute of Science and Technology
Current assignee: Liaoning Institute of Science and Technology
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-05-31
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a teaching board for mathematical education, which comprises a first writing board, wherein a first metal board is fixedly connected inside the first writing board, a second writing board is arranged on one side of the first writing board, a tool storage box is arranged at the bottom of the second writing board, and a second metal board is fixedly connected inside the second writing board.

Description

Teaching board for mathematical education

Technical Field

The utility model belongs to the technical field of education and teaching, and particularly relates to a teaching board for mathematical teaching.

Background

The teaching board is engaged in the education trade promptly and writes the utensil that the demonstration used, and the teaching board is the face of placing in the classroom or in the meeting room usually, writes the content with chalk or water-based pen, plays the effect of explanation demonstration, at the in-process that carries out mathematical education, and the teacher need generally accomplish the teaching through manual drawing figure, and present teaching board lacks the function of comparatively convenient supplementary drawing, and it is not convenient enough to draw the figure, and the storage of instrument is also comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a teaching board for mathematical education, so as to solve the problems that the existing teaching board proposed in the background art lacks a convenient auxiliary drawing function, is not convenient to draw a figure, and is inconvenient to store tools.

In order to achieve the purpose, the utility model provides the following technical scheme: a teaching board for mathematical education comprises a first writing board, wherein a first metal board is fixedly connected inside the first writing board, a second writing board is arranged on one side of the first writing board, a tool storage box is arranged at the bottom of the second writing board, a second metal board is fixedly connected inside the second writing board, first limiting sliding grooves are formed in two sides of the second metal board, a first limiting sliding block is fixedly connected to the back of the first writing board and is located in the first limiting sliding grooves in a sliding connection mode, a protractor is arranged on the writing surface of the first writing board, a strong magnetic board is arranged between the protractor and the writing surface of the first writing board and is attracted with the first metal board, a limiting rotating rod is fixedly connected to one side of the strong magnetic board, a drawing ruler is arranged at one end of the limiting rotating rod, and a limiting through hole is formed in the drawing ruler, the drawing rule and the laminating of protractor just are located the top of protractor is rotated, the drawing spacing groove has been seted up to the inside of drawing rule, one side fixedly connected with angle pointer of drawing spacing groove, the drawing rule is located the position of drawing spacing groove both sides and has seted up the spacing spout of second, the inside sliding connection of the spacing spout of second has the spacing slider of second, the stable piece of fixedly connected with between the spacing slider of second of both sides, the chalk socket has been seted up to the inside of stable piece, stable piece is located the inside sliding connection of drawing spacing groove.

Preferably, the first metal plate and the second metal plate are respectively positioned at the positions of the writing surfaces in the first writing plate and the second writing plate

Preferably, the first limit sliding block is limited to slide inside the first limit sliding groove, and the first limit sliding block is located below the first writing board back plate

Preferably, the strong magnetic plate is attached to the first writing plate, the strong magnetic plate is fixedly connected with the protractor, and the strong magnetic plate is attracted to the first metal plate and the second metal plate.

Preferably, the limiting rotating rod is limited to rotate inside the limiting through hole, and the limiting through hole is located in the middle of the drawing ruler.

Preferably, the drawing limiting groove is arranged at two ends inside the drawing rule and on the principle, the limiting through hole is arranged at the middle position inside the drawing rule, and the central point of the limiting through hole is overlapped with the central point of the protractor.

Preferably, the tip of the angle pointer points to the central position of the drawing limiting groove.

Compared with the prior art, the utility model provides a teaching board for mathematical education, which has the following beneficial effects:

1. according to the utility model, the first metal plate, the second metal plate and the strong magnetic plate are arranged, so that an auxiliary tool for drawing a teaching board can be fixed, meanwhile, after the protractor and the first writing board or the second writing board are kept in a relatively fixed fit state, a chalk or a writing pen is clamped into the chalk socket, and after the angle of the drawing ruler is adjusted by rotation, the second limiting slide block can be positioned in the second limiting slide groove to slide, so that relatively stable drawing can be performed to a great extent.

2. According to the utility model, the drawing angle can be accurately positioned through the arranged angle pointer, the protractor and the drawing ruler can be detached and placed in the tool storage box for storage after drawing is finished, and the occupied space can be reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

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

FIG. 2 is a schematic structural view of a front view according to the present invention;

FIG. 3 is a schematic side view of the internal structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure A proposed by the present invention;

in the figure: 1. a first writing pad; 2. a first metal plate; 3. a second writing board; 4. a second metal plate; 5. a tool storage case; 6. a first limiting chute; 7. a first limit slide block; 8. a protractor; 9. a ferromagnetic plate; 10. a drawing rule; 11. a limiting through hole; 12. a limiting rotating rod; 13. drawing a limiting groove; 14. an angle pointer; 15. a second limiting chute; 16. a second limit slide block; 17. a stabilizing block; 18. a chalk inserting opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a teaching board for mathematical education comprises a first writing board 1, a first metal plate 2 is fixedly connected inside the first writing board 1, a second writing board 3 is arranged on one side of the first writing board 1, a tool storage box 5 is arranged at the bottom of the second writing board 3, a second metal plate 4 is fixedly connected inside the second writing board 3, first limiting sliding grooves 6 are respectively formed in two sides of the second metal plate 4, a first limiting sliding block 7 is fixedly connected to the back of the first writing board 1, the first limiting sliding block 7 is positioned inside the first limiting sliding grooves 6 and is in sliding connection with the first limiting sliding grooves, a protractor 8 is arranged on the writing surface of the first writing board 1, a strong magnetic plate 9 is arranged between the protractor 8 and the writing surface of the first writing board 1, the strong magnetic plate 9 is attracted with the first metal plate 2, the second metal plate 4 and the strong magnetic plate 9 can fix auxiliary tools for drawing the teaching board, a limiting rotating rod 12 is fixedly connected to one side of the ferromagnetic plate 9, a drawing rule 10 is arranged at one end of the limiting rotating rod 12, a limiting through hole 11 is formed in the drawing rule 10, the drawing rule 10 is attached to the protractor 8 and rotates above the protractor 8, a drawing limiting groove 13 is formed in the drawing rule 10, an angle pointer 14 is fixedly connected to one side of the drawing limiting groove 13, second limiting sliding grooves 15 are formed in positions, located on two sides of the drawing limiting groove 13, of the drawing rule 10, second limiting sliding blocks 16 are slidably connected to the inner portions of the second limiting sliding grooves 15, stabilizing blocks 17 are fixedly connected between the second limiting sliding blocks 16 on the two sides, chalk sockets 18 are formed in the stabilizing blocks 17, after the protractor 8 and the first writing plate 1 or the second writing plate 3 are kept in a relatively fixed attaching state, chalk or a writing pen is clamped into the inner portions of the chalk sockets 18, and after the angle of the drawing rule 10 is adjusted through rotation, can make the inside slip that second limiting slide 16 is located second limiting slide groove 15, can carry out comparatively stable drawing steadily to a great extent, solid piece 17 is located the inside sliding connection of drawing spacing groove 13.

In the present invention, it is preferable that the first metal plate 2 and the second metal plate 4 are respectively located at the positions of the writing surfaces inside the first writing board 1 and the second writing board 3.

In the present invention, preferably, the first limit slider 7 is limited to slide inside the first limit chute 6, and the first limit slider 7 is located at a position below the back plate of the first writing board 1.

In the utility model, preferably, the strong magnetic plate 9 is attached to the first writing plate 1, the strong magnetic plate 9 is fixedly connected with the protractor 8, and the strong magnetic plate 9 is attracted to the first metal plate 2 and the second metal plate 4.

In the present invention, it is preferable that the rotation-limiting lever 12 is limited to rotate inside the through-limiting hole 11, and the through-limiting hole 11 is located at the center of the drawing rule 10.

In the present invention, it is preferable that the drawing limiting grooves 13 are formed at both ends of the inside of the drawing rule 10 and limit the through hole 11, the limiting through hole 11 is formed at the middle position of the inside of the drawing rule 10, and the center point of the limiting through hole 11 overlaps the center point of the protractor 8.

In the present invention, preferably, the tip of the angle pointer 14 points to the center of the drawing limiting groove 13, so that the drawing angle can be accurately positioned.

The working principle and the using process of the utility model are as follows: during the use, carry out the actuation with first metal sheet 2 and second metal sheet 4 respectively with ferromagnetic board 9 and can make the appurtenance that the teaching board was drawn fix, simultaneously after protractor 8 and first clipboard 1 or second clipboard 3 keep under the relatively fixed laminating state, with the inside of chalk socket 18 with the chalk or writing pen card, after the angle of drawing rule 10 has been adjusted in the rotation, can make second spacing slider 16 be located the inside slip of second spacing spout 15, can carry out comparatively stable drawing to a great extent, the middle part of the directional drawing spacing groove 13 of angle pointer 14 pointed end, can comparatively accurately fix a position the drawing angle, can pull down protractor 8 and drawing rule 10 after drawing and put into the inside of instrument case 5 and preserve, can occupation space less.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A teaching board for mathematics teaching, comprising a first writing board (1), characterized in that: the writing board comprises a first writing board (1), a second writing board (3) is arranged on one side of the first writing board (1), an instrument storage box (5) is arranged at the bottom of the second writing board (3), a second metal board (4) is fixedly connected with the inside of the second writing board (3), first limiting sliding grooves (6) are formed in two sides of the second metal board (4), a first limiting sliding block (7) is fixedly connected with the back of the first writing board (1), the first limiting sliding block (7) is located in the inner sliding connection of the first limiting sliding grooves (6), a protractor (8) is arranged on the writing surface of the first writing board (1), a strong magnetic board (9) is arranged between the protractor (8) and the writing surface of the first writing board (1), and the strong magnetic board (9) is attracted with the first metal board (2), one side of the ferromagnetic plate (9) is fixedly connected with a limiting rotating rod (12), one end of the limiting rotating rod (12) is provided with a drawing rule (10), a limiting through hole (11) is formed in the drawing rule (10), the drawing rule (10) is attached to the protractor (8) and is positioned above the protractor (8) to rotate, a drawing limiting groove (13) is formed in the drawing rule (10), one side of the drawing limiting groove (13) is fixedly connected with an angle pointer (14), second limiting sliding grooves (15) are formed in positions, located on two sides of the drawing limiting groove (13), of the drawing rule (10), second limiting sliding blocks (16) are connected in a sliding mode in the second limiting sliding grooves (15), stabilizing blocks (17) are fixedly connected between the second limiting sliding blocks (16) on two sides, and chalk (18) are arranged in the stabilizing blocks (17), the stabilizing block (17) is positioned in the drawing limiting groove (13) and is in sliding connection with the drawing limiting groove.

2. A teaching board for mathematics teaching according to claim 1, wherein: the first metal plate (2) and the second metal plate (4) are respectively positioned on the inner writing surfaces of the first writing plate (1) and the second writing plate (3).

3. A teaching board for mathematics teaching according to claim 1, wherein: the first limiting sliding block (7) is limited to slide inside the first limiting sliding groove (6), and the first limiting sliding block (7) is located at the position below the back plate of the first writing plate (1).

4. A teaching board for mathematics teaching as claimed in claim 1, wherein: the strong magnetic plate (9) is attached to the first writing plate (1), the strong magnetic plate (9) is fixedly connected with the protractor (8), and the strong magnetic plate (9) is attracted to the first metal plate (2) and the second metal plate (4).

5. A teaching board for mathematics teaching according to claim 1, wherein: the limiting rotating rod (12) is limited to rotate inside the limiting through hole (11), and the limiting through hole (11) is located in the middle of the drawing rule (10).

6. A teaching board for mathematics teaching according to claim 1, wherein: drawing spacing groove (13) set up in inside both ends of drawing rule (10) and principle spacing through-hole (11), spacing through-hole (11) are set up in the positive intermediate position of drawing rule (10) inside, the central point of spacing through-hole (11) overlaps with the central point of protractor (8).

7. A teaching board for mathematics teaching according to claim 1, wherein: the tip of the angle pointer (14) points to the center position of the drawing limiting groove (13).