CN203920156U - Multifunction combined drawing instrument - Google Patents

Abstract

The utility model discloses a multifunctional combined drawing tool, which comprises a protractor. The center of the straight line side of the protractor is connected with the compass side A and the compass side B at the same time. A triangular side A is set in the chute of the compass side B, and a triangular side B is set in the chute of the compass side B. The multifunctional combined drawing tool of the utility model integrates the functions of ruler, triangular plate, protractor, compasses and T-square etc., and can conveniently draw triangles, polygons, arcs at any angle, oblique lines at any angle, parallel lines, and any radius Circles, concentric circles, etc., solve the problem of using multiple drawing tools when drawing complex graphics, and can also measure length and angle, with multiple functions, flexible and convenient use, and greatly improve the efficiency and quality of drawing.

Description

Multifunctional Combined Drawing Tool

technical field

The utility model belongs to the technical field of drawing tools, in particular to a multifunctional combined drawing tool.

Background technique

In the teaching process of mechanical drawing courses in colleges and universities today, because the graphics themselves are relatively complex, teachers need to use multiple drawing tools, such as rulers, compasses, 45° isosceles right-angled triangles, 60° right-angled triangles, protractors, etc. Messy and numerous drawing tools will undoubtedly bring unnecessary troubles to teachers in class. Carrying a lot of drawing tools and handouts before class makes teachers feel bored. In addition, during the drawing process, teachers need to constantly change drawing tools, which greatly reduces the drawing speed and increases the difficulty of drawing, which is time-consuming and laborious, thus affecting classroom efficiency.

Utility model content

The purpose of the utility model is to provide a multifunctional combined drawing tool, which solves the problem that multiple drawing tools need to be used when drawing complex figures.

The technical scheme adopted in the utility model is: a multifunctional combined drawing tool, including a protractor, the center of the straight edge of the protractor is connected with the compass side A and the compass side B at the same time, and the compass side A and the compass side B are respectively provided with chutes, The chute of the compass side A is provided with a triangular side A, and the chute of the compass side B is provided with a triangular side B.

The utility model is also characterized in that,

The center of the straight side of the protractor is connected with the compass side A and the compass side B through the bolt C at the same time.

The chute is a T-slot.

One end of the triangle side A is installed in the chute of the compass side A through the bolt A, and the other end is fixed with a fastening pin.

The end of the compass side A is fixed with a suction cup.

The triangular side B is installed in the chute of the compass side B through the bolt B, and the side of the triangular side B is provided with limiting holes.

There are multiple limiting holes.

The end of the compass side B is provided with a mounting hole.

Scales are evenly arranged on the protractor, the compass side A, the compass side B, the triangle side A and the triangle side B.

The beneficial effects of the utility model are: the utility model multifunctional combined drawing tool integrates the functions of a ruler, a set square, a protractor, a compasses, a T-square, etc., and can conveniently draw triangles, polygons, arcs at any angle, and any angle Oblique lines, parallel lines, circles with arbitrary radius, concentric circles, etc. solve the problem of using multiple drawing tools when drawing complex graphics, and can also measure lengths and angles. They have many functions and are flexible and convenient to use, greatly improving the efficiency and quality of drawing .

Description of drawings

Fig. 1 is the structural representation of multifunctional combined drawing tool of the present utility model;

Fig. 2 is the structural representation of the triangular side B of the utility model multifunctional combined drawing tool;

Fig. 3 is a schematic diagram of the functional use state of the multifunctional combined drawing tool ruler of the utility model;

Fig. 4 is a schematic diagram of the utility model multifunctional combined drawing tool compasses functional use state;

Fig. 5 is a schematic diagram of the functional use state of the triangular plate of the multifunctional combined drawing tool of the present invention;

Fig. 6 is a schematic diagram of the functional use state of the multifunctional combined drawing tool T-square of the utility model;

Fig. 7 is a schematic diagram of the usage status of the function of drawing parallel lines of the multifunctional combined drawing tool of the present invention.

In the figure, 1. protractor, 2. compass side A, 3. compass side B, 4. triangle side A, 5. triangle side B, 6. bolt C, 7. bolt A, 8. bolt B, 9. fastening Pin, 10. suction cup, 11. installation hole, 12. limit hole.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The multifunctional combined drawing tool of the utility model, as shown in Figure 1, comprises a protractor 1, and the center of the straight line of the protractor 1 is connected with the compass side A2 and the compass side B3 through the bolt C6 at the same time, and the compass side A2 and the compass side B3 are respectively arranged There is a chute, the chute is a T-shaped slot, the chute of the compass side A2 is provided with a triangular side A4, one end of the triangular side A4 is installed in the chute of the compass side A2 through the bolt A7, and the other end is fixed with a fastening pin 9 , the end of the compass side A2 is fixed with a suction cup 10, and the chute of the compass side B3 is provided with a triangular side B5, and the triangular side B5 is installed in the chute of the compass side B3 through a bolt B8, as shown in Figure 2, the triangular side B5 A plurality of limit holes 12 are provided on the side of the compass side B3, a mounting hole 11 is provided at the end of the compass side B3, scales are uniformly arranged on the protractor 1, the compass side A2, the compass side B3, the triangle side A4 and the triangle side B5, and all Made of clear plexiglass.

When in use, the magnetic suction cup 10 can be adsorbed on the blackboard, chalk or drawing pen can be installed in the installation hole 11, the bolt A7 can slide in the chute of the compass side A2, and the bolt B8 can slide in the chute of the compass side B3 , loosen bolt A7 and bolt B8, triangle side A4 and triangle side B5 can rotate, loosen bolt C6, compass side A2 and compass side B3 can rotate, by changing compass side A2, compass side B3, triangle side A4, triangle side The relative position of B5 realizes drawing functions such as ruler, set square, protractor, compasses, and T-square.

Any angle can be drawn and measured by the protractor 1;

As shown in Figure 3, fold the compass side A2 and the compass side B3, the triangle side A4 and the triangle side B5 on the straight side of the protractor 1, and tighten the bolts C6, A7, and B8. At this time, the straightedge function can be realized. Can draw straight lines and measure lengths;

As shown in Figure 4, loosen the bolt C6, turn the compass side A2 and compass side B3, and use the magnetic suction cup 10 at the end of the compass side A2 to fix it on the blackboard as the center of the circle. Edge B3 draws an arc at any angle, and can also draw concentric circles with different diameters;

As shown in Figure 5, fold the compass side A2 and the compass side B3 on the straight side of the protractor 1, tighten the bolt C6 to fix it, loosen the bolt A7 and the bolt B8, turn and slide the triangle side A4 and the triangle side B5, and fasten The pins 9 are respectively inserted into the limiting holes 12 at different positions on the sides of the triangular side B5, which can realize the functions of 45° and 60° right-angled triangular plates;

As shown in Figure 6, use the bolt A7 to fix the triangle side A4 on the compass side A2, and use the bolt C6 to fix the compass side A2 on the straight side of the protractor 1, and use the bolt B8 to fix the triangle side B5 on the compass side B3 , at this time, turn the compass side B3 to make it perpendicular to the straight side of the protractor 1, which can realize the function of the T-square;

As shown in Figure 7, use the bolt C6 to fix the compass side A2 and the compass side B3 on the straight side of the protractor 1, rotate and slide the triangular side A4 and triangular side B5 respectively, so that they are perpendicular to the straight side of the protractor 1 respectively, which can be Realize the function of drawing parallel lines with any distance.

The multifunctional combined drawing tool of the utility model integrates the functions of ruler, triangular plate, protractor, compasses and T-square etc., and can conveniently draw triangles, polygons, arcs at any angle, oblique lines at any angle, parallel lines, and any radius Circles, concentric circles, etc. can also measure length and angle. It has many functions and is flexible to use. It is suitable for the wide use of colleges and universities offering "Engineering Drawing", "Mechanical Drawing" and related courses. It reduces teaching tools, saves costs, and greatly improves drawing. efficiency and quality.

Claims (9)

1. multifunctional combined drawing tool, it is characterized in that, comprises protractor (1), and the straight line center of described protractor (1) is connected with compass side A (2) and compasses side B (3) simultaneously, and described compass side A(2) and the compass side B(3) are respectively provided with chutes, the chute of the compass side A(2) is provided with a triangular side A(4), and the chute of the compass side B(3) There is a triangle side B(5) in . 2. The multifunctional combined drawing tool as claimed in claim 1, characterized in that, the straight line center of the protractor (1) passes through the bolt C (6) and the compass side A (2) and the compass side B (3) simultaneously. )connect. 3. The multifunctional combined drawing tool as claimed in claim 1, wherein the chute is a T-shaped slot. 4. multifunctional combined drawing tool as claimed in claim 1, one end of described triangle side A (4) is installed in the chute of described compass side A (2) by bolt A (7), and the other end is fixed With fastening pin (9). 5. The multifunctional combined drawing tool according to claim 1 or 4, a suction cup (10) is fixed at the end of the compass side A (2). 6. The multifunctional combined drawing tool as claimed in claim 1, said triangular side B (5) is installed in the chute of said compass side B (3) by bolt B (8), said triangular side B The side of (5) is provided with limiting hole (12). 7. The multifunctional combined drawing tool according to claim 6, wherein a plurality of said limiting holes (12) are provided. 8. The multifunctional combined drawing tool according to claim 1 or 6, wherein an installation hole (11) is provided at the end of the compass side B (3). 9. The multifunctional combined drawing tool as claimed in claim 1, said protractor (1), compass side A (2), compass side B (3), triangle side A (4) and triangle side B (5) There are scales evenly arranged on them.