CN209971997U

CN209971997U - Mathematics teaching board

Info

Publication number: CN209971997U
Application number: CN201720237118.5U
Authority: CN
Inventors: 杨莹
Original assignee: Yuncheng University
Current assignee: Yuncheng University
Priority date: 2017-03-02
Filing date: 2017-03-02
Publication date: 2020-01-21
Anticipated expiration: 2027-03-02

Abstract

The utility model discloses a mathematics teaching board, still including erecting chi and horizontal ruler, four side edges of teaching board body are equipped with the sliding tray, and it has first slider to have a sliding tray to have a sliding connection on the sliding tray of four sides respectively, and the horizontal ruler both ends are fixed respectively to the first slider on the sliding tray of teaching board body left and right sides, erects on the chi both ends are fixed respectively to the first slider on the sliding tray of teaching board body upper and lower both sides, all is equipped with the open slot on erecting chi and the horizontal ruler, and open slot movable mounting has second slider, stationary blade, and the stationary blade is through screwing bolt and second slider threaded connection, and the second slider is close to and is equipped with the rotation axis on the teaching board body face, the rotation axis bottom articulates has the one end of a telescopic link, and the other end of telescopic link is fixed with the pen socket. The utility model discloses convenient to use just can accomplish the drawing of most figures through setting up slidable vertical ruler and horizontal ruler on the teaching board to all set up rotatable telescopic link on horizontal ruler and vertical ruler, thereby can draw the circle of different diameters on the teaching board, thereby improved teaching efficiency.

Description

Mathematics teaching board

Technical Field

The utility model relates to a teaching equipment technical field especially indicates a mathematics teaching board.

Background

In mathematical education, various figures and coordinate graphs are generally required to be drawn on a teaching board, and the figures mainly comprise figures and circles formed by various straight lines. When a teacher draws on the teaching board, the teacher mainly uses the ruler and the compasses to draw, and the use is very inconvenient. And teaching aids are more in type and easy to lose, and inconvenience is brought to teaching.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a mathematics teaching board, the operation just can directly accomplish the drawing on the teaching board.

In order to solve the technical problem, the embodiment of the utility model provides a mathematics teaching board still includes perpendicular chi and horizontal chi, four side edges of teaching board body are equipped with the sliding tray, it has first slider to have slided respectively on the sliding tray of four sides, the horizontal chi both ends are fixed respectively to the first slider on the sliding tray of the teaching board body left and right sides, erect the chi both ends and fix respectively to the first slider on the sliding tray of teaching board body upper and lower both sides, all be equipped with the open slot on erecting chi and the horizontal chi, open slot movable mounting has second slider, stationary blade, and the stationary blade is through screwing bolt and second slider threaded connection, the second slider is close to and is equipped with the rotation axis on the teaching board body face, the rotation axis bottom articulates the one end of a telescopic link, the other end of telescopic link is fixed with the pen socket that is used for placing the chalk.

Preferably, the vertical ruler and the transverse ruler are both provided with circular protractors, and the centers of the circular protractors are superposed with the rotating shaft and are rotatably connected with the rotating shaft.

Preferably, the vertical ruler and the horizontal ruler are both provided with length scale marks.

Preferably, the widths of the second sliding block and the fixed piece are larger than the width of the opening groove.

Preferably, one end of the screwing bolt sequentially penetrates through the fixing piece and the opening groove and then is connected with the second sliding block through threads.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: simple structure, reasonable technology and convenient use, can finish drawing most of figures by arranging the slidable vertical ruler and the transverse ruler on the teaching board, and can draw circles with different diameters on the teaching board by arranging the rotatable telescopic rods on the transverse ruler and the vertical ruler, thereby improving the teaching efficiency,

drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a connection structure of the second slider, the fixing plate, the screwing bolt and the telescopic rod of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The utility model discloses not enough to provide a mathematics teaching board to current, as shown in fig. 1-fig. 2, including teaching board body 6, still including erecting chi 1 and horizontal ruler 3, four side edges of teaching board body 6 are equipped with sliding tray 4, it has slider 5 to have slided respectively on the sliding tray 4 of four sides, 3 both ends of horizontal ruler are fixed respectively to the slider 5 on the sliding tray 4 of 6 left and right sides of teaching board body, erect 1 both ends of chi and be fixed respectively to the teaching board body 6 about on the slider 5 on both sides sliding tray 4, all be equipped with the length scale mark on perpendicular chi 1 and the horizontal ruler 3. All be equipped with open slot 11 on perpendicular chi 1 and the horizontal chi 3, open slot 11 movable mounting has second slider 12, stationary blade 10, and stationary blade 10 is through 13 and the 12 threaded connection of second slider of the bolt of screwing, second slider 12 is close to and is equipped with rotation axis 14 on the teaching board body face, 14 bottom of rotation axis articulates there is the one end of a telescopic link 8, the other end of telescopic link 8 is fixed with the pen socket 9 that is used for placing the chalk. The vertical ruler 1 and the transverse ruler 3 are both provided with a circular protractor 7, and the center of the circular protractor 7 is superposed with the rotating shaft 2 and is rotatably connected with the rotating shaft.

And length scale marks are arranged on the vertical ruler and the horizontal ruler.

The width of the second sliding block and the width of the fixing piece are both larger than the width of the opening groove.

And one end of the screwing bolt sequentially penetrates through the fixing piece and the open slot and then is connected with the second sliding block through threads.

According to the specific implementation, most of graphs can be drawn by arranging the slidable vertical ruler and the slidable horizontal ruler on the teaching board, and the rotatable telescopic rods are arranged on the horizontal ruler and the vertical ruler, so that circles with different diameters can be drawn on the teaching board, and the teaching efficiency is improved; and the telescopic rod and the corresponding pen cap can be moved and fixed through the sliding block and the fixing piece as required, so that the pen cap is convenient to use.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mathematics teaching board, includes the teaching board body, its characterized in that still includes perpendicular chi and horizontal chi, four side edges of teaching board body are equipped with the sliding tray, it has first slider to have a sliding tray respectively to slide on the sliding tray of four sides, horizontal chi both ends are fixed respectively to the first slider on the sliding tray of the teaching board body left and right sides, perpendicular chi both ends are fixed respectively to the first slider on the sliding tray of teaching board body upper and lower both sides, all be equipped with the open slot on perpendicular chi and the horizontal chi, open slot movable mounting has second slider, stationary blade, and the stationary blade is through screwing bolt and second slider threaded connection, the second slider is close to and is equipped with the rotation axis on the teaching board body face, the rotation axis bottom articulates the one end that has a telescopic link, the other end of telescopic link is fixed with the pen socket that is used for placing the chalk.

2. A mathematical teaching board according to claim 1, wherein the vertical ruler and the horizontal ruler are provided with circular protractors, the centers of which coincide with the rotation axis and are rotatably connected to the rotation axis.

3. A mathematical teaching board according to claim 1 wherein the vertical and horizontal scales are provided with length graduations.

4. A mathematical education plate as claimed in claim 1, wherein the second sliding block and the fixing plate each have a width greater than that of the opening groove.

5. The mathematical education plate as set forth in claim 1, wherein one end of the tightening bolt passes through the fixing plate and the opening groove in sequence and then is connected with the second slider by a screw thread.