CN2543719Y - Multi-function combined protractor triangle - Google Patents

Abstract

The utility model relates to a multifunctional compound protractor deltoid plate which connects a movable ruler and a deltoid plate protractor to form a new drawing device integrates the multifunction of deltoid plate, protractor, T square, movable ruler, ruler and compass. When in use, the utility model has the advantages of intuitionistic, convenient, flexible, and being capable of quickly measuring and drawing lines with any angle, central angles, arcs, any triangles, polygons, inclined lines with any angle, cross lines, parallel lines, circles with any radius, concentric circles, circumferences in equal parts and coordinates. The deltoid plate is provided with a plurality of common geometric figures for choosing. The utility model fundamentally overcomes the shortcomings of frequent changing tools when in drawing and low efficiency, thereby increasing the drawing efficiency and quality. The utility model relates to a necessary tool for engineering, machine, science researching technicians, teaching and studying.

Description

Multifunction combined protractor set square

The utility model relates to a kind of protractor set square, particularly relates to a kind of be applicable to engineering, machinery, scientific research technical staff; The multifunction combined protractor set square that teachers ' teaching, student learn to draw.

At present, known protractor, ruler, set square, T-square, compasses all are not combined into one, and more do not have adjustable rule.In drawing the figure process, replace instrument again and again, not only seem in a rush, and drafting figure speed is slow, efficient is low.Original these instruments, it is always so unsatisfactory to use.

Technical problem to be solved in the utility model is, provides a kind of in drawing course, do not need to replace again and again instrument, and it is slow to change the speed of in the past charting, and inefficient situation in use can well-content multifunction combined protractor set square.

In order to realize the above-mentioned technical problem that will solve, the utility model provides a kind of technical scheme unlike the prior art to be: 45 ° of set square protractors and ruler are fused, and other wears the backing plate of folder, 30 ° of set squares are formed the novel drafting figure instrument of a cover.

The beneficial effects of the utility model are: on the basis of original protractor, set square, ruler function.Integrate protractor, set square, ruler, T-square, compasses, adjustable rule, in use, directly perceived, convenient, flexible.Can measure, draw arbitrarily angled line, central angle, arc, triangle, polygon, oblique line, parallel lines, cross spider, big roundlet, concentric circles, coordinate, any circumference in equal parts rapidly.During with ruler, water-color paintbrush setting-out, do not stick with paste line.Can be used for searching rapidly mutual residing orientation, two places and air line distance on the map.The set square space is provided with various geometric figures commonly used to be selected when being convenient to chart to use.Use the utility model can improve original drawing efficiency, just in accordance with the wish during use.

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is a plane of the present utility model

Fig. 2 is the utility model kit plane

Among Fig. 1,1, movable ruler; 2,45 ° of set squares; 3, protractor; 4, fixing rivet; 5, circle center hole; 6, T-square scale; 7, angle line scale; 8, compasses hole; 9, mounting board; 10, center of circle locking pin; Among Fig. 2,11,30 ° of set squares; 12, strap clamp backing plate;

Among Fig. 1, set square 2 and protractor 3 are in same plane one.The circle center hole 5 of movable ruler 1 is relative with the circle center hole 5 of protractor 3, and is fixing through fixing rivet 4.The i.e. multifunction combined protractor set square that the movable ruler 1 of composition can 360 ° of rotations.And be furnished with center of circle locking pin 10, supply the fixedly center of circle of picture bowlder.For preventing that the center of circle locking pin from losing, establish a mounting board 9 at an end of movable ruler 1, for by putting center of circle locking pin 10.When using T-square, T-square scale 6 can be measured the length of line segment.Draw bowlder, center of circle locking pin 10 inserts the fixedly center of circle of circle center hole 5, and nib is inserted corresponding compasses hole 8, can the picture circle.When drawing angle and triangle, angle line scale 7 can measure rapidly or read to the length of line segment.In the allocation plan 2, strap clamp backing plate 12 is used with movable ruler 1, can bring into play various functions in addition.And it is standby to join 30 ° of set squares 11.

Claims (3)

1, a kind of multifunction combined protractor set square is characterized in that: movable ruler (1), set square (2), protractor (3) fixedly fuse through rivet (4).

2, a kind of multifunction combined protractor set square according to claim 1, it is characterized in that: movable ruler (1) can 360 ° of rotations.

3, a kind of multifunction combined protractor set square according to claim 2, it is characterized in that: an end of movable ruler (1) has mounting board (9), for laying center of circle locking pin (10).

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