CN211427594U - Portable mathematics teaching board - Google Patents
Portable mathematics teaching board Download PDFInfo
- Publication number
- CN211427594U CN211427594U CN201922354699.2U CN201922354699U CN211427594U CN 211427594 U CN211427594 U CN 211427594U CN 201922354699 U CN201922354699 U CN 201922354699U CN 211427594 U CN211427594 U CN 211427594U
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- China
- Prior art keywords
- board
- ruler
- chi
- plate
- limiting plate
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Abstract
The utility model relates to a portable mathematics teaching board, which has the advantages that the prior teaching board has a single fixed structure, a larger teaching board is inconvenient to carry back and forth, and the function is single, and the following proposal is provided, comprising a first ruler board, a chalk hole, a limiting board, a T-shaped board, a second ruler board and a third ruler board; first chi board is the isosceles right triangle structure, be provided with the slotted hole respectively with the upper right end in the middle of the first chi board upper end, the limiting plate is installed to first chi board right side lower extreme, fixed mounting has the U type in the middle of the first chi board upper surface to handle, first chi board lower surface left side lower extreme fixed mounting has the T template. The utility model discloses a be provided with slotted hole and limiting plate respectively with first chi board, second chi board, third chi board and fourth chi board, through the downthehole and mutual demountable installation together of limiting plate insertion groove between each group's chi board, can dismantle when not using and place in placing the box, reduce the whole area of teaching board, portable saves.
Description
Technical Field
The utility model relates to a technical field of education equipment especially relates to a portable mathematics teaching board.
Background
In the teaching process of the mathematics teachers in middle and primary schools, a teaching board is needed to be used for drawing in class, circles with various diameters and triangles with special angles are needed to be drawn on a blackboard according to the contents in class, vivid figures are drawn to facilitate students to understand teaching contents more quickly, the teaching board is single and fixed, the large teaching board is not convenient to carry back and forth, in addition, the teacher can only be helped to draw simple figures with angles of 90 degrees, 30 degrees and 60 degrees in the using process, the function is single, in addition, the ruler board and the blackboard are needed to be in direct contact friction in the drawing process, the ruler board is easy to damage due to long service time, the service life is prolonged, and therefore, the portable mathematics teaching board is needed to solve the problems.
A portable mathematics teaching board in the prior patent (publication number: CN206075629U) is composed of a thin box body, a box cover, a rectangular groove and a square piece with a cloth strip handle; inside 3 rectangular grooves that equal that set up of thin box body, 4 square pieces can be held to the size in rectangular groove, and 6 square pieces are put altogether to thin box body, have glued the cloth handle on the square piece and conveniently take out and slide.
In the implementation of the utility model discloses the in-process, it does not solve to have following problem among the prior art at least to discover: 1. the prior teaching board has fixed and large structure, is inconvenient to carry and store, and is inconvenient to use; 2. the existing teaching board can only make simple graphs with angles of 90 degrees, 30 degrees and 60 degrees, has too few use functions, and is easy to damage due to the fact that the teaching board needs to be in direct contact with a blackboard for friction in the drawing process. This application is convenient for through slotted hole and limiting plate and can dismantle the connection between the teaching board.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of portable mathematics teaching board has solved and has carried inconvenient, the few problem of service function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable mathematics teaching board comprises a first ruler board, a chalk hole, a limiting board, a T-shaped board, a second ruler board and a third ruler board;
the first ruler plate is of an isosceles right triangle structure, slotted holes are formed in the middle of the upper end of the first ruler plate and in the right upper end of the first ruler plate respectively, a limiting plate is installed at the right lower end of the first ruler plate, a U-shaped handle is fixedly installed in the middle of the upper surface of the first ruler plate, a T-shaped plate is fixedly installed at the left lower end of the lower surface of the first ruler plate, the upper end of the T-shaped plate penetrates through the first ruler plate and extends to the upper end of the first ruler plate, a third ruler plate is installed at the upper end of the first ruler plate, an elliptical hole is formed in the middle of the third ruler plate, a limiting plate is fixedly installed in the middle of the bottom of the third ruler plate, the limiting plate on the third ruler plate is inserted into the slotted hole in the top end of the first;
the utility model discloses a building ruler, including first chi board, second chi board, limiting plate, slotted hole, round hole, limiting plate, fourth chi board, limiting plate, second chi board right-hand member is installed the second chi board right-hand member, the slotted hole has been seted up to second chi board left end upper end fixed mounting, the slotted hole and the slotted hole of second chi board left side lower extreme closely laminate with the limiting plate and the slotted hole of first chi board right side lower extreme respectively, be provided with the slotted hole in the middle of the second chi board right-hand member, the fourth chi board is the isosceles right-hand member, the round hole has.
Preferably, the periphery of the bottom of the T-shaped plate is sleeved with a rubber layer.
Preferably, the structural shape of the slotted hole is equal to that of the limiting plate.
Preferably, the side edges of the first ruler plate, the second ruler plate, the third ruler plate and the fourth ruler plate are provided with scale marks.
Preferably, the first ruler plate, the second ruler plate, the third ruler plate and the fourth ruler plate are respectively provided with chalk holes.
Preferably, the lower surfaces of the second ruler plate, the third ruler plate and the fourth ruler plate are respectively provided with a support column, and the lower surface of the support column and the bottom of the T-shaped plate are located on the same horizontal plane.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a with first chi board, the second chi board, third chi board and fourth chi board are provided with slotted hole and limiting plate respectively, it is downthehole and mutual demountable installation together through the limiting plate insertion groove between each group's chi board, can dismantle when not using and place in placing the box, reduce the whole area of teaching board, portable and save, can be in the same place four group's chi board interconnect when using, and elliptical aperture and round hole have been seted up respectively on third chi board and fourth chi board, the teacher of being convenient for impart knowledge to students is quick draws out ellipse on the blackboard, circular and triangular shape, the convenience of use has been improved.
2. The utility model discloses installing the T template bottom first chi board, having seted up the chalk hole on each chi board of organizing, it is downthehole to be convenient for insert the chalk with the chalk, then around the rotatory drawing circle of T template, improved the teaching mr and drawn the circle of different diameters size fast, with fourth chi board and third chi board reverse connection, can draw parallelogram fast, install the support column bottom each chi board of organizing, avoid each chi board of organizing to directly rub with the blackboard, improved the messenger's life-span of this teaching board.
Drawings
Fig. 1 is a schematic view of an overall structure of a portable mathematics teaching board according to the present invention;
fig. 2 is a schematic view of an overall structure of a portable mathematics teaching board according to the present invention;
fig. 3 is the utility model provides a whole structure schematic diagram of T type board in portable mathematics teaching board.
In the figure: 1. a first blade; 2. a slot; 3. a chalk hole; 4. a U-shaped handle; 5. a limiting plate; 6. a T-shaped plate; 7. a rubber layer; 8. a second blade; 9. a third blade; 10. an elliptical hole; 11. scale lines; 12. a fourth blade; 13. a circular hole; 14. and (4) a support column.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-3, a portable mathematics teaching board includes a first ruler board 1, a chalk hole 3, a limit board 5, a T-shaped board 6, a second ruler board 8 and a third ruler board 9;
the first ruler plate 1 is in an isosceles right triangle structure, the middle of the upper end of the first ruler plate 1 and the right upper end are respectively provided with a slotted hole 2, a limiting plate 5 is arranged at the right lower end of the first ruler plate 1, a U-shaped handle 4 is fixedly arranged in the middle of the upper surface of the first ruler plate 1, a T-shaped plate 6 is fixedly arranged at the left lower end of the lower surface of the first ruler plate 1, the upper end of the T-shaped plate 6 extends to the upper end through the first ruler plate 1, the upper end of the T-shaped plate 6 extends to the upper end through the first ruler plate 1, the upper end of the first ruler plate 1 is provided with a third ruler plate 9, an elliptical hole 10 is arranged in the middle of the third ruler plate 9, a limit plate 5 is fixedly arranged in the middle of the bottom of the third ruler plate 9, the limiting plate 5 on the third ruler plate 9 is inserted into the slotted hole 2 in the top end of the first ruler plate 1, and three groups of angles of the third ruler plate 9 are respectively 30 degrees, 60 degrees and 90 degrees;
In this embodiment, as shown in fig. 1 and 2, the first ruler board 1, the second ruler board 8, the third ruler board 9 and the fourth ruler board 12 are detachably mounted together, which is not only beneficial for assembly and use, but also convenient for disassembly, storage and carrying, the third ruler board 9 and the fourth ruler board 12 are respectively provided with an elliptical hole 10 and a round hole 13, which is convenient for a teacher to draw an elliptical shape and a circular shape on a blackboard, the bottom of the first ruler board 1 is provided with a T-shaped board 6, each group of ruler boards is provided with a chalk hole 3, and a chalk is conveniently inserted into the chalk hole 3, and then a drawing ring is rotated around the T-shaped board 6.
Wherein, a rubber layer 7 is sleeved on the periphery of the bottom of the T-shaped plate 6.
The structural shape of the slotted hole 2 is equal to that of the limiting plate 5, so that the limiting plate 5 can be conveniently inserted into the slotted hole 2 to be tightly attached.
The side edges of the first ruler plate 1, the second ruler plate 8, the third ruler plate 9 and the fourth ruler plate 12 are provided with scale marks 11.
The first ruler plate 1, the second ruler plate 8, the third ruler plate 9 and the fourth ruler plate 12 are respectively provided with chalk holes 3, so that the chalk holes 3 can be conveniently inserted.
The utility model discloses during the use: the teaching board is taken out from the placing box, four groups of ruler boards are assembled, angles of 30 degrees, 45 degrees, 60 degrees, 90 degrees and 150 degrees can be drawn by the teaching board, an ellipse and a small circle can be drawn quickly, if a larger circle needs to be drawn, a chalk can be inserted into the chalk hole 3, then the T-shaped board 6 is contacted with the blackboard surface, the U-shaped handle 4 is held by a hand to rotate the chalk by taking the T-shaped board 6 as the circle center to draw the circle, different circles with different diameters can be drawn in different chalk holes 3, when a parallelogram needs to be drawn, the fourth ruler board 12 and the second ruler board 8 can be assembled in a reverse mode, when the teaching board is not used, the four groups of ruler boards can be disassembled and placed in the placing box for storage, the design is simple, the cost is lower, and the teaching board is more practical.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. A portable mathematics teaching board is characterized by comprising a first ruler board (1), a chalk hole (3), a limiting board (5), a T-shaped board (6), a second ruler board (8) and a third ruler board (9);
the novel ruler is characterized in that the first ruler plate (1) is of an isosceles right triangle structure, slotted holes (2) are formed in the middle of the upper end of the first ruler plate (1) and the upper right end of the first ruler plate (1), a limiting plate (5) is installed at the lower right end of the first ruler plate (1), a U-shaped handle (4) is fixedly installed in the middle of the upper surface of the first ruler plate (1), a T-shaped plate (6) is fixedly installed at the left lower end of the lower surface of the first ruler plate (1), a third ruler plate (9) is installed at the upper end of the first ruler plate (1), an elliptical hole (10) is formed in the middle of the third ruler plate (9), a limiting plate (5) is fixedly installed in the middle of the bottom of the third ruler plate (9), the limiting plate (5) on the third ruler plate (9) is inserted into the slotted hole (2) in the top end of the first ruler plate (1), and three groups of angles of the third;
second chi board (8) is installed to first chi board (1) right-hand member, second chi board (8) are the isosceles right triangle structure, upper left end fixed mounting of second chi board (8) has limiting plate (5), slotted hole (2) have been seted up to second chi board (8) left side lower extreme inside, slotted hole (2) and limiting plate (5) of second chi board (8) left end closely laminate with limiting plate (5) and slotted hole (2) of first chi board (1) right side lower extreme respectively, be provided with slotted hole (2) in the middle of second chi board (8) right-hand member, fourth chi board (12) is installed to second chi board (8) right-hand member, fourth chi board (12) are the isosceles triangle structure, round hole (13) have been seted up in the middle of fourth chi board (12), limiting plate (5) are installed in the middle of fourth chi board (12) left end, limiting plate (5) in the middle of fourth chi board (12) insert slotted hole (2) in the middle of second chi board (8) right-hand member And (4) a section.
2. The portable mathematics teaching board according to claim 1, characterized in that the bottom periphery of said T-shaped board (6) is sleeved with a rubber layer (7).
3. A portable mathematics teaching board as claimed in claim 1, characterised in that said slotted holes (2) have a constructive shape equal to that of the limiting plate (5).
4. A portable mathematics teaching board according to claim 1, characterized in that the sides of said first (1), second (8), third (9) and fourth (12) boards are provided with graduation marks (11).
5. The portable mathematics teaching board according to claim 1, characterized in that said first ruler board (1), second ruler board (8), third ruler board (9) and fourth ruler board (12) are equipped with chalk holes (3) respectively.
6. A portable mathematics teaching board according to claim 1, characterized in that the lower surfaces of said second (8), third (9) and fourth (12) ruler boards are respectively equipped with a support pillar (14), the lower surface of said support pillar (14) and the bottom of the T-shaped board (6) are on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354699.2U CN211427594U (en) | 2019-12-25 | 2019-12-25 | Portable mathematics teaching board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354699.2U CN211427594U (en) | 2019-12-25 | 2019-12-25 | Portable mathematics teaching board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211427594U true CN211427594U (en) | 2020-09-04 |
Family
ID=72275882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922354699.2U Expired - Fee Related CN211427594U (en) | 2019-12-25 | 2019-12-25 | Portable mathematics teaching board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211427594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113299161A (en) * | 2021-05-25 | 2021-08-24 | 常州工业职业技术学院 | Mathematical thinking exercise is with backlight formula figure presentation device that has combined mechanism |
-
2019
- 2019-12-25 CN CN201922354699.2U patent/CN211427594U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113299161A (en) * | 2021-05-25 | 2021-08-24 | 常州工业职业技术学院 | Mathematical thinking exercise is with backlight formula figure presentation device that has combined mechanism |
| CN113299161B (en) * | 2021-05-25 | 2022-11-22 | 常州工业职业技术学院 | Mathematical thinking exercise is with backlight formula figure presentation device that has combined mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20211225 |