CN211843847U

CN211843847U - Mathematics teaching board

Info

Publication number: CN211843847U
Application number: CN202020467614.1U
Authority: CN
Inventors: 王磊; 朱碧; 孙彩贤
Original assignee: Henan University of Technology
Current assignee: Henan University of Technology
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-11-03
Anticipated expiration: 2030-04-02

Abstract

The utility model belongs to the technical field of mathematical education, especially, do: a mathematical teaching board comprises a base, wherein an air cylinder is connected to the surface of the base, a sliding groove is arranged at the top end of the base in parallel, the bottom end of the sliding groove is connected with the top end of the base, a first groove, a second groove and a third groove are respectively formed in the sliding groove, a first teaching board is connected in the first groove in a sliding mode, a second teaching board is connected in the second groove in a sliding mode, a third teaching board is connected in the third groove in a sliding mode, a rotating shaft, a graduated scale, an arc block and a compasses pen body are installed on the first teaching board, manual drawing of teachers is improved, drawn figures are enabled to be more standard, teaching quality is improved, the front end of an air cylinder and a teaching board support column and the rear end of the teaching board support column are installed on the base, the height of the teaching board is adjusted through a square standard, students can conveniently watch teaching board books, and the second teaching board and the third teaching board are installed behind the first teaching board, the blackboard writing area is increased, and the teaching quality is improved.

Description

Mathematics teaching board

Technical Field

The utility model belongs to the technical field of the mathematical education, concretely relates to mathematics teaching board.

Background

The teaching board is the face of placing in the classroom or meeting room, write the content with chalk or water-based pen, play the effect of explanation demonstration, current mathematics teaching board is the holistic teaching board mostly, and need carry out a large amount of calculations during the mathematics board is written, the usable floor area of teaching board is limited, influence teaching, and often need ruler drawing for mathematical education, and usually the teacher is drawn on the teaching board with the hand, waste time relatively, and original teaching board can't height-adjusting, unusual inconvenience.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a mathematics teaching board has convenient altitude mixture control, and the board book area is big, makes things convenient for ruler and compasses mapping, easy operation characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a mathematics teaching board, which comprises a base, wherein the surface of the base is connected with a cylinder, the top end of the base is provided with a sliding chute in parallel, the bottom end of the sliding chute is connected with the top end of the base, a first groove, a second groove and a third groove are respectively arranged in the sliding chute, a first teaching board is connected in the first groove in a sliding manner, a second teaching board is connected in the second groove in a sliding manner, a third teaching board is connected in the third groove in a sliding way, the first teaching board is rotationally connected with a graduated scale through a rotating shaft, one end of the graduated scale is connected with an arc block, a plurality of round holes are arranged on the graduated scale, a sliding block is sleeved on the graduated scale, the top of the sliding block is symmetrically connected with two springs, the top end of the sliding block is movably connected with a compass pen clip, the bottom end of the compass pen clip is connected with a compass pen main body, and the compass pen main body is correspondingly movably connected with the round hole.

As the utility model discloses a preferred technical scheme of mathematics teaching board, the compasses pen clip is cross, the both ends bottom and two springs of compasses pen clip correspond and are connected.

As the utility model discloses an optimal technical scheme of mathematics teaching board, one side of second teaching board and third teaching board all is connected with the push-and-pull handle.

As the utility model discloses a preferred technical scheme of mathematics teaching board, the bottom symmetric connection of circular arc piece has two small idler wheels.

As the utility model discloses a preferred technical scheme of mathematics teaching board, the surperficial symmetric connection of base has two teaching board pillar rear ends, two equal swing joint has teaching board pillar front end, two on the teaching board pillar rear end teaching board pillar front end all links to each other with the bottom of spout.

As the utility model discloses a preferred technical scheme of mathematics teaching board, the bottom of base is connected with four universal wheels.

As the utility model discloses a preferred technical scheme of mathematics teaching board, the both sides of spout all are provided with the stopper.

Compared with the prior art, the beneficial effects of the utility model are that: install pivot, scale, circular arc piece and compasses pen main part on first teaching board, improve the teacher and use the hand mapping, make the figure of drawing more standard, increase the teaching quality, install cylinder and teaching board pillar front end and teaching board pillar rear end on the base, square mark regulation teaching board height makes things convenient for the classmate to watch the teaching board book, installs second teaching board and third teaching board behind first teaching board, increase board book area, improve the teaching quality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic side view of the middle teaching board of the present invention;

fig. 3 is a schematic structural view of the scale of the present invention;

in the figure: 1. a chute; 2. a limiting block; 3. a first teaching board; 4. a rotating shaft; 5. a circular hole; 6. an arc block; 7. a push-pull handle; 8. a second teaching board; 9. a third teaching board; 10. a graduated scale; 11. a small roller; 12. a compasses pen clip; 13. a compasses pen main body; 14. a spring; 15. a slider; 16. a teaching board strut front end; 17. a teaching board support post rear end; 18. a universal wheel; 19. a base; 20. and a cylinder.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a mathematics teaching board, including base 19, base 19's surface is connected with cylinder 20, base 19's top parallel arrangement has spout 1, spout 1's bottom links to each other with base 19's top, first recess has been seted up respectively to spout 1's inside, second recess and third recess, sliding connection has first teaching board 3 in the first recess, sliding connection has second teaching board 8 in the second recess, sliding connection has third teaching board 9 in the third recess, first teaching board 3 rotates through pivot 4 and is connected with scale 10, the one end of scale 10 is connected with arc piece 6, a plurality of round hole 5 has been seted up on the scale 10, sliding block 15 has been cup jointed on the

scale sliding block

10, 15's top symmetric connection has two springs 14, sliding block 15's top swing joint has compasses pen clip 12, the bottom of compasses pen clip 12 is connected with compasses pen main part 13, compasses pen main part 13 corresponds swing joint with round hole 5.

In this embodiment, the cylinder 20 is of a type SC by sandwiches, the scale 10 and the slide block 15 are attached to the surface of the first teaching board 3, and when a ruler is required to draw a drawing, the slide block 15 is slid to a corresponding position on the scale 10 according to the radius, the compass pen holder 12 is pressed, the compass pen body 13 is pressed down through the circular hole 5, the compass pen body 13 is brought into contact with the first teaching board 3, and the scale 10 is rotated to draw a drawing.

Specifically, the compasses pen clip 12 is cross-shaped, and the bottoms of the two ends of the compasses pen clip 12 are correspondingly connected with the two springs 14.

In this embodiment, when the compass pen holder 12 is pressed down, the spring 14 contracts, and after the compass pen holder 12 is released, the spring 14 gives an upward elastic force to the compass pen holder 12, so that the compass pen holder 12 is reset.

Specifically, a push-pull handle 7 is connected to each of one sides of the second teaching plate 8 and the third teaching plate 9.

In this embodiment, one side of second teaching board 8 and third teaching board 9 all is connected with push-and-pull handle 7, and after second teaching board 8 was written full, the push-and-pull handle 7 of pulling second teaching board 8 one side pushed into first teaching board 3 with second teaching board 8 after, the push-and-pull handle 7 of pulling third teaching board 9 one side pulled out third teaching board 9 and continues to write.

Specifically, the bottom end of the arc block 6 is symmetrically connected with two small rollers 11.

In this embodiment, when the scale 10 rotates, the small roller 11 moves on the surface of the first teaching board 3, facilitating the rotation of the scale 10.

Specifically, the surface symmetry of base 19 is connected with two teaching board pillar rear ends 17, and equal swing joint has teaching board pillar front end 16 on two teaching board pillar rear ends 17, and two teaching board pillar front ends 16 all link to each other with the bottom of spout 1.

In this embodiment, two teaching board support posts rear ends 17 are symmetrically connected to the surface of the base 19, a teaching board support post front end 16 is movably connected to the teaching board support post rear ends 17, and the height of the teaching board is adjusted by the auxiliary cylinder 20.

Specifically, the bottom end of the base 19 is connected with four universal wheels 18.

In this embodiment, make things convenient for the removal of mathematics teaching board, when the mathematics teaching board meets reflection of light scheduling problem when using, can move the teaching board position through universal wheel 18.

Specifically, both sides of the chute 1 are provided with the limiting blocks 2.

In this embodiment, the both sides of spout 1 all are provided with stopper 2, restrict the position of first teaching board 3, second teaching board 8 and third teaching board 9, prevent that the teaching board from being pulled out from spout 1.

The utility model discloses a theory of operation and use flow: after the utility model is installed, writing on the second teaching board 8, when drawing with ruler and rule, sliding block 15 is slid to the corresponding position on the graduated scale 10 according to the radius, the compasses pen clip 12 is pressed, the compasses pen main body 13 is pressed through the round hole 5, the compasses pen main body 13 is contacted with the first teaching board 3, the graduated scale 10 is rotated to draw, when the compasses pen clip 12 is pressed, the spring 14 is contracted, after the compasses pen clip 12 is loosened, the spring 14 gives an upward elastic force to the compasses pen clip 12, the compasses pen clip 12 is reset, when the second teaching board 8 is full, the push-pull handle 7 on one side of the second teaching board 8 is pulled to push the second teaching board 8 into the first teaching board 3, the push-pull handle 7 on one side of the third teaching board 9 is pulled, the third teaching board 9 is pulled to continue, when the later classmates can not see the teaching board, the cylinder 20 is adjusted, the height of the teaching board is raised, the teaching board is convenient for the back row students to watch.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mathematics teaching board, comprising a base (19), characterized in that: the surface of the base (19) is connected with an air cylinder (20), the top end of the base (19) is parallelly provided with a sliding chute (1), the bottom end of the sliding chute (1) is connected with the top end of the base (19), the inside of the sliding chute (1) is respectively provided with a first groove, a second groove and a third groove, the first groove is internally and slidably connected with a first teaching board (3), the second groove is internally and slidably connected with a second teaching board (8), the third groove is internally and slidably connected with a third teaching board (9), the first teaching board (3) is rotatably connected with a graduated scale (10) through a rotating shaft (4), one end of the graduated scale (10) is connected with a circular arc block (6), the graduated scale (10) is provided with a plurality of circular holes (5), the graduated scale (10) is sleeved with a sliding block (15), the top of the sliding block (15) is symmetrically connected with two springs (14), the top end swing joint of sliding block (15) has compasses pen clip (12), the bottom of compasses pen clip (12) is connected with compasses pen main part (13), compasses pen main part (13) correspond swing joint with round hole (5).

2. A mathematical teaching board according to claim 1, wherein: the compasses pen clip (12) is cross-shaped, and the bottoms of the two ends of the compasses pen clip (12) are correspondingly connected with the two springs (14).

3. A mathematical teaching board according to claim 1, wherein: one sides of the second teaching board (8) and the third teaching board (9) are both connected with a push-pull handle (7).

4. A mathematical teaching board according to claim 1, wherein: the bottom end of the arc block (6) is symmetrically connected with two small rollers (11).

5. A mathematical teaching board according to claim 1, wherein: the surface symmetry of base (19) is connected with two teaching board pillar rear ends (17), two equal swing joint has teaching board pillar front end (16) on teaching board pillar rear end (17), two teaching board pillar front end (16) all link to each other with the bottom of spout (1).

6. A mathematical teaching board according to claim 1, wherein: the bottom end of the base (19) is connected with four universal wheels (18).

7. A mathematical teaching board according to claim 1, wherein: the two sides of the sliding groove (1) are provided with limiting blocks (2).