CN203920156U

CN203920156U - Multifunction combined drawing instrument

Info

Publication number: CN203920156U
Application number: CN201420280065.1U
Authority: CN
Inventors: 杨振朝; 郭骏; 杨福杰; 金鑫; 肖瑞强; 郭伟超; 刘闯; 袁启龙
Original assignee: Xian University of Technology
Current assignee: Xian University of Technology
Priority date: 2014-05-28
Filing date: 2014-05-28
Publication date: 2014-11-05
Anticipated expiration: 2024-05-28

Abstract

The utility model discloses a kind of multifunction combined drawing instrument, comprise protractor, the straight line center of protractor is connected with compasses limit B with compasses limit A simultaneously, on compasses limit A and compasses limit B, be respectively arranged with chute, in the chute of compasses limit A, be provided with triangle edges A, in the chute of compasses limit B, be provided with triangle edges B.The multifunction combined drawing instrument of the utility model, integrate the functions such as ruler, set square, protractor, compasses, T-square, can draw easily triangle, polygon, circular arcs with arbitrary angles, arbitrarily angled oblique line, parallel lines, any radius circle, concentric circles etc., solved the problem that need to use a plurality of drawing instruments while drawing complex figure, also can measure length, angle, function is many, flexible and convenient to use, greatly improves efficiency and the quality of drawing.

Description

Multifunction combined drawing instrument

Technical field

The utility model belongs to drawing instrument technical field, is specifically related to a kind of multifunction combined drawing instrument.

Background technology

In current colleges and universities mechanical drawing class course teaching process, due to the more complicated of figure own, so teacher need to use a plurality of drawing instruments, such as ruler, compasses, 45 ° of isosceles right angle triangles, 60 ° of right angle triangles, protractor etc.Mixed and disorderly and various drawing instrument brings unnecessary trouble to class-teaching of teacher undoubtedly.Carry before the class many drawing instruments and also have teaching materials, instructors is fed up with.In addition, in drawing course, teacher need to constantly convert drawing instrument, this greatly reduces plotting speed, has increased the difficulty of drawing, i.e. effort again consuming time, thus affected classroom efficiency.

Utility model content

The purpose of this utility model is to provide a kind of multifunction combined drawing instrument, has solved the problem that need to use a plurality of drawing instruments while drawing complex figure.

The technical scheme that the utility model adopts is: multifunction combined drawing instrument, comprise protractor, the straight line center of protractor is connected with compasses limit B with compasses limit A simultaneously, on compasses limit A and compasses limit B, be respectively arranged with chute, in the chute of compasses limit A, be provided with triangle edges A, in the chute of compasses limit B, be provided with triangle edges B.

Feature of the present utility model is also,

The straight line center of protractor is connected with compasses limit B with compasses limit A by bolt C simultaneously.

Chute is T-shaped groove.

One end of triangle edges A is arranged in the chute of compasses limit A by bolt A, and the other end is fixed with pin for suppressing metal.

The end of compasses limit A is fixed with sucker.

Triangle edges B is arranged on by bolt B in the chute of compasses limit B, and the side of triangle edges B is provided with spacing hole.

Spacing hole is provided with a plurality of.

The end of compasses limit B is provided with installing hole.

On protractor, compasses limit A, compasses limit B, triangle edges A and triangle edges B, be all evenly provided with scale.

The beneficial effects of the utility model are: the multifunction combined drawing instrument of the utility model, integrate the functions such as ruler, set square, protractor, compasses, T-square, can draw easily triangle, polygon, circular arcs with arbitrary angles, arbitrarily angled oblique line, parallel lines, any radius circle, concentric circles etc., solved the problem that need to use a plurality of drawing instruments while drawing complex figure, also can measure length, angle, function is many, flexible and convenient to use, greatly improve efficiency and the quality of drawing.

Accompanying drawing explanation

Fig. 1 is the structural representation of the multifunction combined drawing instrument of the utility model;

Fig. 2 is the structural representation of the multifunction combined drawing instrument triangle edges of the utility model B;

Fig. 3 is that the multifunction combined drawing instrument ruler functions of the utility model is used view;

Fig. 4 is that the multifunction combined drawing instrument calipers function of the utility model is used view;

Fig. 5 is that the multifunction combined drawing instrument set square of the utility model function is used view;

Fig. 6 is that the multifunction combined drawing instrument T-square of the utility model function is used view;

Fig. 7 is that the multifunction combined drawing instrument of the utility model is drawn parallel lines function use view.

In figure, 1. protractor, 2. compasses limit A, 3. compasses limit B, 4. triangle edges A, 5. triangle edges B, 6. bolt C, 7. bolt A, 8. bolt B, 9. pin for suppressing metal, 10. sucker, 11. installing holes, 12. spacing holes.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.

The multifunction combined drawing instrument of the utility model, as shown in Figure 1, comprise protractor 1, the straight line center of protractor 1 is connected with compasses limit B3 with compasses limit A2 by bolt C6 simultaneously, on compasses limit A2 and compasses limit B3, be respectively arranged with chute, chute is T-shaped groove, in the chute of compasses limit A2, be provided with triangle edges A4, one end of triangle edges A4 is arranged in the chute of compasses limit A2 by bolt A7, the other end is fixed with pin for suppressing metal 9, the end of compasses limit A2 is fixed with sucker 10, in the chute of compasses limit B3, be provided with triangle edges B5, triangle edges B5 is arranged in the chute of compasses limit B3 by bolt B 8, as shown in Figure 2, the side of triangle edges B5 is provided with a plurality of spacing holes 12, the end of compasses limit B3 is provided with installing hole 11, protractor 1, compasses limit A2, compasses limit B3, on triangle edges A4 and triangle edges B5, be all evenly provided with scale, and all by transparent organic glass, made.

During use, the sucker 10 with magnetic force can be adsorbed on blackboard, in installing hole 11, chalk or drawing pen can be installed, bolt A7 can slide in the chute of compasses limit A2, bolt B 8 can be slided in the chute of compasses limit B3, unclamp bolt A7 and bolt B 8, triangle edges A4 and triangle edges B5 can rotate, unclamp bolt C6, compasses limit A2 and compasses limit B3 can rotate, by changing the relative position of compasses limit A2, compasses limit B3, triangle edges A4, triangle edges B5, realize ruler, set square, protractor, compasses, T-square etc. and draw function.

Throughput hornwork 1 can be drawn and measure arbitrarily angled;

As shown in Figure 3, compasses limit A2 and compasses limit B3 and triangle edges A4 and triangle edges B5 are all folded on the straight line of protractor 1, the C6 that tights a bolt, bolt A7, bolt B 8, now can realize ruler functions, can draw straight line and measure length;

As shown in Figure 4, unclamp bolt C6, rotate compasses limit A2 and compasses limit B3, utilize the sucker with magnetic force 10 of A2 end, compasses limit to be fixed on blackboard as the center of circle, according to the angle index of protractor 1 half round edges, can draw circular arc at any angle with compasses limit B3, also can draw the concentric circles of different-diameter;

As shown in Figure 5, compasses limit A2 and compasses limit B3 are folded on the straight line of protractor 1, the C6 that tights a bolt fixes, unclamp bolt A7 and bolt B 8, rotate and slip triangle edges A4 and triangle edges B5, pin for suppressing metal 9 is inserted respectively to the spacing hole 12 of three arm of angle B5 side diverse locations, can realize the function of 45 °, 60 ° right angle triangles;

As shown in Figure 6, utilize bolt A7 that triangle edges A4 is fixed on the A2 of compasses limit, utilize bolt C6 that compasses limit A2 is fixed on the straight line of protractor 1 simultaneously, utilize bolt B 8 that triangle edges B5 is fixed on the B3 of compasses limit, now rotate compasses limit B3, make it vertical with the straight line of protractor 1, can realize T-square function;

As shown in Figure 7, utilize bolt C6 that compasses limit A2 and compasses limit B3 are fixed on the straight line of protractor 1, rotate respectively and slide triangle edges A4 and triangle edges B5, make it vertical with the straight line of protractor 1 respectively, can realize and draw any distance parallel lines function.

The multifunction combined drawing instrument of the utility model, collection ruler, set square, protractor, compasses, the functions such as T-square are in one, can draw easily triangle, polygon, circular arcs with arbitrary angles, arbitrarily angled oblique line, parallel lines, radius is round arbitrarily, concentric circles etc., also can measure length, angle, function is many, use flexibly, be applicable to each and offer < < Graphing of Engineering > >, the colleges and universities of < < mechanical drawing > > and correlated curriculum extensively adopt, reduce educational aid, reduce expenses, greatly improve efficiency and the quality of drawing.

Claims

1. multifunction combined drawing instrument, it is characterized in that, comprise protractor (1), the straight line center of described protractor (1) is connected with compasses limit B (3) with compasses limit A (2) simultaneously, on described compasses limit A (2) and compasses limit B (3), be respectively arranged with chute, in the chute of described compasses limit A (2), be provided with triangle edges A (4), in the chute of described compasses limit B (3), be provided with triangle edges B (5).

2. multifunction combined drawing instrument as claimed in claim 1, is characterized in that, the straight line center of described protractor (1) is connected with compasses limit B (3) with compasses limit A (2) by bolt C (6) simultaneously.

3. multifunction combined drawing instrument as claimed in claim 1, described chute is T-shaped groove.

4. multifunction combined drawing instrument as claimed in claim 1, one end of described triangle edges A (4) is arranged on by bolt A (7) in the chute of described compasses limit A (2), and the other end is fixed with pin for suppressing metal (9).

5. the multifunction combined drawing instrument as described in claim 1 or 4, the end of described compasses limit A (2) is fixed with sucker (10).

6. multifunction combined drawing instrument as claimed in claim 1, described triangle edges B (5) is arranged on by bolt B (8) in the chute of described compasses limit B (3), and the side of described triangle edges B (5) is provided with spacing hole (12).

7. multifunction combined drawing instrument as claimed in claim 6, described spacing hole (12) is provided with a plurality of.

8. the multifunction combined drawing instrument as described in claim 1 or 6, the end of described compasses limit B (3) is provided with installing hole (11).

9. multifunction combined drawing instrument as claimed in claim 1, is all evenly provided with scale on described protractor (1), compasses limit A (2), compasses limit B (3), triangle edges A (4) and triangle edges B (5).