CN204414904U - A math teaching board - Google Patents

Abstract

The utility model discloses a mathematics teaching board, which comprises a ruler board. The ruler board is an irregular body. One side of the ruler board is provided with a 45° angle oblique line, and the other side of the ruler board is provided with a 75° ° Angle oblique line, the middle part of the ruler plate is provided with a base, the positive edge of the base is provided with a storage slot, the top of the base is provided with a vertical ruler, and the two sides of the vertical ruler adjacent to the base are provided with vertical A chute, the horizontal ruler is slidingly connected with the chute, a switch button is provided on the front upper edge of the ruler plate, a battery box is provided on the front lower edge of the ruler plate, and a handle is provided above the battery box. There is a row of laser lights under the battery box. There are permanent magnets inside the ruler board. The vertical ruler, horizontal ruler and laser lights are set to help the teacher to explain the drawing conveniently. The crossbar moves, and the storage slot can place some simple tools, which improves the efficiency of class and reduces labor.

Description

A math teaching board

technical field

The utility model relates to the technical field of teaching appliances, in particular to a mathematics teaching board.

Background technique

At present, in the process of mathematics teaching, it is often necessary to draw pictures on the blackboard to explain and demonstrate. Usually, the teacher holds a fixed ruler high in one hand and draws with a chalk in the other hand. This operation is time-consuming and laborious. After a long time, the arm will cause soreness, which will affect the teaching quality of the teacher and increase the physical burden of the teacher. But none of the existing designs can solve this problem.

Utility model content

The purpose of this utility model is to provide a mathematics teaching board to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a mathematics teaching board, including a ruler board, the ruler board is an irregular body, one side of the ruler board is provided with a 45° angle oblique line, the ruler board The other side of the plate is provided with a 75° angle oblique line, the middle part of the ruler plate is provided with a base, the positive edge of the base is provided with a storage slot, and a vertical ruler is provided above the base, and the vertical ruler is adjacent to the base The two sides of the ruler are provided with vertical chutes, the horizontal ruler is slidably connected with the chute, a switch button is provided on the front upper edge of the ruler plate, a battery box is provided on the front lower edge of the ruler plate, and the battery box A handle is provided above the battery box, a row of laser lights is provided below the battery box, and a permanent magnet is provided inside the ruler board.

Preferably, the vertical ruler is a telescopic structure.

Preferably, the vertical ruler is detachably connected to the base 5 .

Preferably, the storage slot is a square structure.

Preferably, the switch button is electrically connected with the battery box and the laser light.

Preferably, the handle is connected to the ruler plate by gluing.

Preferably, multiple permanent magnets are provided on the ruler plate.

Compared with the prior art, the beneficial effect of the utility model is that the setting of the vertical ruler, the horizontal ruler and the laser light can help the teacher to explain the drawing conveniently, and the crossbar is slidably connected with the chute, which can facilitate the movement of the crossbar. Permanent magnets attached to the blackboard can help teachers save time and effort to complete the drawing of graphics, and the storage slot can place some simple tools to improve class efficiency and reduce labor.

Description of drawings

Fig. 1 is a structural representation of the utility model;

In the figure: 1. Ruler board, 2. 75° angle oblique line 2, 3, 45° angle oblique line, 4. Vertical ruler, 5. Base, 6. Storage slot, 7. Switch button, 8. Battery box, 9 , laser light, 10, handle, 11, permanent magnet.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1, the utility model provides a technical solution: a mathematics teaching board, including a ruler board 1, characterized in that: the ruler board 1 is an irregular body, and one side of the ruler board 1 is provided with 45 ° Angle oblique line 3, the other side of the ruler plate 1 is provided with a 75° angle oblique line 2, the middle part of the ruler plate is provided with a base 5, and the positive edge of the base 5 has a storage slot 6, and the storage slot 6 is a square structure, the top of the base 5 is provided with a vertical ruler 4, the vertical ruler is a telescopic structure, the vertical ruler 4 is detachably connected to the base 5, and the two adjacent sides of the vertical ruler 4 and the base 5 The side is provided with a vertical chute, the horizontal ruler 12 is slidably connected with the chute, the upper front edge of the ruler plate 1 is provided with a switch button 7, and the front lower edge of the ruler plate 1 is provided with a battery box 8, so The top of the battery box 8 is provided with a handle 10, and the handle 10 is cemented and connected with the ruler plate 1; a row of laser lights 9 is arranged below the battery box 8, and the switch button 7 is connected with the battery box 8 and the laser light 9. Electrically connected; permanent magnets 11 are provided inside the ruler plate 1 , and four permanent magnets 11 are provided on the ruler plate 1 .

Working principle: ruler board 1 is adsorbed on the blackboard by permanent magnet 11, use the chalk placed in storage box 6, draw vertical lines with vertical ruler 4, draw horizontal lines with horizontal ruler 12, and pass 45° when drawing oblique lines at 45° Angle oblique line 3 to draw, 75° angle oblique line to draw through 75° angle oblique line 2, when teaching needs, laser light 9 controlled by switch button 7 to emit laser straight line to meet teaching requirements, battery box The batteries in the 8 can be replaced regularly, and the handle 10 is used to realize the movement of the teaching board.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A mathematics teaching board, comprising a ruler plate, is characterized in that: the ruler plate is an irregular body, one side of the ruler plate is provided with a 45 ° angle oblique line, and the other side of the ruler plate is provided with 75 ° angle oblique line, the middle part of the ruler plate is provided with a base, the positive edge of the base is provided with a storage slot, the top of the base is provided with a vertical ruler, and the two sides of the vertical ruler adjacent to the base are provided with vertical The chute, the horizontal ruler is slidably connected with the chute, a switch button is provided on the upper front edge of the ruler plate, a battery box is provided on the front lower edge of the ruler plate, and a handle is provided above the battery box. A row of laser lights is arranged under the battery box, and a permanent magnet is arranged inside the ruler plate. 2. A mathematics teaching board according to claim 1, characterized in that: said vertical ruler is a retractable structure. 3. A mathematics teaching board according to claim 1, characterized in that: the vertical ruler is detachably connected to the base. 4. A mathematics teaching board according to claim 1, characterized in that: the storage slot is a square structure. 5. A mathematics teaching board according to claim 1, characterized in that: said switch button is electrically connected with a battery box and a laser light. 6. A mathematics teaching board according to claim 1, characterized in that: the handle is connected to the ruler board by gluing. 7. A mathematics teaching board according to claim 1, characterized in that: there are multiple permanent magnets on the ruler board.