CN206633663U - A kind of space multistory figure drawing instrument for being easy to Higher Mathematics Teaching - Google Patents

Abstract

The utility model discloses a space three-dimensional graphics drawing instrument which is convenient for higher mathematics teaching, which comprises a drawing frame, the drawing frame is a rectangular frame composed of two sets of U-shaped plates, and two sets of slide slots opposite to each other are slidingly connected with drawers. Line ruler, one end of the line ruler is provided with a cylindrical slider matched with the chute, the end of the line ruler away from the slider is provided with a telescopic channel, and a T-shaped plate is clamped in the telescopic channel, and the T-shaped plate The end far away from the telescopic channel is slidably connected in the chute through the slider. The center of the inner wall on both sides of the chute is provided with a slot along the length direction. One side of the marking ruler is provided with a guide groove, and a guide rod is slidably connected in the guide groove, and a marking coil is connected to the end of the guide rod far away from the marking ruler. The utility model has the advantages of simple structure, convenient use and portability, and saves drawing time for teachers.

Description

A Spatial Stereoscopic Graphics Drawing Instrument Convenient for Advanced Mathematics Teaching

technical field

The utility model relates to the field of plotters, in particular to a spatial three-dimensional graph plotter which is convenient for higher mathematics teaching.

Background technique

A three-dimensional figure in mathematics refers to a geometric figure whose parts are not in the same plane, a three-dimensional figure surrounded by one or more faces that can exist in real life. Click to form a line, line to form a surface, surface to form a body. That is, a body is surrounded by faces, and a cuboid, a regular three-dimensional figure such as a cube can be seen at most three faces of the solid figure. In the teaching process, teachers often need to draw three-dimensional graphics to facilitate explanation and students' thinking.

When drawing a three-dimensional graphics plotter, it is often necessary to fix it with one hand and draw with the other hand. It is difficult to draw, and it is inconvenient to adjust the position between the drawing tools, which wastes teaching time and is troublesome to carry. For this reason, we designed a A spatial three-dimensional graphic drawing instrument which is convenient for higher mathematics teaching solves the above problems.

Contents of the invention

The purpose of this utility model is in order to solve the shortcoming that exists in the prior art, and proposes a kind of spatial three-dimensional graph drawing instrument that is convenient for higher mathematics teaching.

In order to achieve the above object, the utility model adopts the following technical scheme: a spatial three-dimensional graphics drawing instrument for advanced mathematics teaching, including a drawing frame, the drawing frame is a rectangular frame composed of two sets of U-shaped plates, two sets of U-shaped plates The boards are connected together by hinges, and the inner wall of the side plate along the length direction of the drawing frame is provided with a chute, and a marking ruler is slidably connected between the two sets of chute, and one end of the marking ruler is There is a cylindrical slider matched with the chute, and the end of the marking ruler away from the slider is provided with a telescopic channel, and a T-shaped plate is snapped into the telescopic channel, and the end of the T-shaped plate far away from the telescopic channel slides through the slider Connected in the chute, the center of the inner wall on both sides of the chute is provided with a card slot along the length direction, the two ends of the slider are provided with a card bar matching the card slot, and one side of the marking ruler is provided with A guide groove, a guide rod is slidably connected in the guide groove, and the end of the guide rod far away from the marking ruler is connected with a marking coil. The outer center of one group of U-shaped boards is provided with a buckle rope, and the other group of U-shaped boards There is a vertical T-shaped column in the center of the outer side.

Preferably, both the drawing frame and the marking ruler are made of transparent plastic material.

Preferably, a handle is provided on the outside of the T-shaped column, and the handle is vertically installed on the U-shaped plate, and an anti-skid pattern is provided on the outside of the handle.

Preferably, suction cups are provided on the backs of the drawing frame and the ruler.

Preferably, scale lines are provided on the upper and lower sides of the drawing frame and on the side of the marking ruler close to the marking circle.

Compared with the prior art, the beneficial effect of the utility model is: in the utility model, through the cooperation of the chute and the slide block and the clamping groove and the clamping block, the sliding of the marking ruler in the drawing frame can be realized without Slide out, and at the same time, the T-shaped board can adjust the length of the marking ruler during the movement to meet the needs. The drawing frame is folded by using the buckle rope and the T-shaped post, which is convenient for the plotter to be folded and carried. The plotter is simple in structure and easy to use. It is convenient and easy to carry, saving teachers' drawing time.

Description of drawings

Fig. 1 is the structural representation of a kind of space three-dimensional graph drawing instrument that is convenient to advanced mathematics teaching that the utility model proposes;

Fig. 2 is the structural representation of the sliding part of the marking ruler of a kind of spatial three-dimensional graph drawing instrument that is convenient to the teaching of advanced mathematics that the utility model proposes;

Fig. 3 is the cross-sectional view of a T-shaped plate and a marking ruler of a space three-dimensional graphics drawing instrument convenient to the teaching of advanced mathematics proposed by the utility model;

Fig. 4 is a structural schematic diagram of a sliding structure of a guide rod of a spatial three-dimensional graph plotter for advanced mathematics teaching proposed by the utility model.

In the figure: 1 drawing frame, 2 U-shaped board, 3 hinge, 4 marking ruler, 5 slider, 6 clamping rod, 7 guiding rod, 8 marking coil, 9 buckle rope, 10 T-shaped column, 11 T-shaped board, 12 suction cups, 13 handles.

detailed description

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.

Referring to Figures 1-4, a spatial three-dimensional graphics drawing instrument that is convenient for advanced mathematics teaching includes a drawing frame 1. The drawing frame 1 is a rectangular frame composed of two sets of U-shaped plates 2, and the two sets of U-shaped plates 2 are connected by hinges. 3 are connected together, the drawing frame 1 is provided with chute on the inner wall of the side plate along the length direction, and there is a marking ruler 4 slidingly connected between the two opposite sets of chute, the drawing frame 1 and the marking ruler 4 are both transparent Made of plastic material, the back of the drawing frame 1 and the marking ruler 4 are provided with suction cups 12, the upper and lower sides of the drawing frame 1 and the marking ruler 4 are provided with scale lines near the side of the marking circle, and the marking ruler 4 One end is provided with a cylindrical slider 5 matched with the chute, and the end of the marking ruler 4 away from the slider 5 is provided with a telescopic channel, and the T-shaped plate 11 is snapped into the telescopic channel, and the end of the T-shaped plate 11 is far away from the telescopic channel Slidingly connected in the chute through the slider 5, the center of the inner wall on both sides of the chute is provided with a card slot along the length direction, the two ends of the slider 5 are provided with a card bar 6 matched with the card slot, the marking ruler 4 One side is provided with guide groove, is slidably connected with guide rod 7 in the guide groove, and one end of guide rod 7 away from marking ruler 4 is connected with marking coil 8, and the outer center of one group of U-shaped plates 2 is provided with buckle rope 9, and another A set of U-shaped plates 2 is vertically provided with a T-shaped column 10 in the center of the outer side, and a handle 13 is provided on the outer side of the T-shaped column 10. In the utility model, through the cooperation of the chute and the slider and the card groove and the block, the sliding of the marking ruler in the drawing frame can be realized without slipping out. At the same time, the T-shaped plate can adjust the marking ruler in the The length during the movement is to meet the needs, and the drawing frame is folded by using the buckle rope and the T-shaped post, which is convenient for the folding and carrying of the plotter.

Working principle: when drawing, use the suction cup 12 to fix the drawing frame 1 on the blackboard, and move the marking ruler 4 to a suitable position according to the graph to be drawn and refer to the scale. When moving the marking ruler 4, the slider 5 is on the Sliding in the chute, the clamp bar 6 can prevent the marking ruler 4 from slipping out of the chute, and the T-shaped plate 11 can increase the length of the marking ruler. When adjusting the position of the marking ruler 4, insert the chalk into the marking circle 8, After drawing and teaching, the U-shaped board 2 is folded, the buckle rope 9 is buckled on the T-shaped post 10, and the handle 13 is lifted to take the plotter as a whole.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. A spatial three-dimensional graph drawing instrument convenient for advanced mathematics teaching, comprising a drawing frame (1), characterized in that, the drawing frame (1) is a rectangular frame composed of two groups of U-shaped plates (2), two groups The U-shaped plates (2) are connected together by hinges (3), and the drawing frame (1) is provided with chute on the inner wall of the side plate along the length direction, and the two opposite sets of chute are slidably connected There is a marking ruler (4), one end of the marking ruler (4) is provided with a cylindrical slider (5) matching the chute, and the end of the marking ruler (4) away from the slider (5) is provided with Telescopic channel, the T-shaped plate (11) is clamped in the telescopic channel, and the end of the T-shaped plate (11) away from the telescopic channel is slidably connected in the chute through the slider (5). A card slot along the length direction, the two ends of the slider (5) are provided with a card bar (6) matching the card slot, and one side of the marking ruler (4) is provided with a guide groove, and the inside of the guide groove A guide rod (7) is slidingly connected, and the end of the guide rod (7) far away from the marking ruler (4) is connected with a marking coil (8), and a buckle is provided on the outer center of a set of U-shaped plates (2) Rope (9), the outer center of another group of U-shaped plates (2) is vertically provided with T-shaped post (10). 2. A spatial three-dimensional graphic drawing instrument convenient for advanced mathematics teaching according to claim 1, characterized in that, the drawing frame (1) and the marking ruler (4) are both made of transparent plastic materials. 3. A spatial three-dimensional graphic drawing instrument convenient for advanced mathematics teaching according to claim 1, characterized in that, a handle (13) is provided on the outside of the T-shaped column (10), and the handle (13) is vertical It is installed on the U-shaped board (2), and the outer side of the handle (13) is provided with anti-slip lines. 4. A spatial three-dimensional graph drawing instrument convenient for advanced mathematics teaching according to claim 1, characterized in that suction cups (12) are provided on the backs of the drawing frame (1) and the marking ruler (4). 5. A spatial three-dimensional graphic drawing instrument that is convenient for advanced mathematics teaching according to claim 1, characterized in that, the upper and lower sides of the drawing frame (1) and the marking ruler (4) are close to the side where the line is drawn. There are graduation marks on the side.