CN101352987A

CN101352987A - Drawing instrument

Info

Publication number: CN101352987A
Application number: CNA2008100702441A
Authority: CN
Inventors: 柯阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-08
Filing date: 2008-09-08
Publication date: 2009-01-28

Abstract

The invention relates to a graph drawing device, including a graph drawing device 1 and a graph drawing device 1-1 which consist of protractors, circle centers, meter coordinates, origin points, mapping edges, mapping windows, metric scales, feet, calibrations, numbers, hole rulers and compasses and holes, and the graph drawing device is characterized in that the circle center, transverse lines and vertical lines of the protractor of the graph drawing device 1 are respectively integrated with the metric scale and coordinates into the coincidence of the origin points, the transverse mapping edges and vertical mapping edges and the mapping edge serving as the mapping window; the feet and Chinese feet can be applied in the meter coordinate; both the size of the protractor of the graph drawing device 1 and the measurement ranges of the meter coordinates can be increased or decreased; the hole ruler and compass with the hole with the initial radius 0.5 and 1mm and a back distance of 1mm at the calibration is arranged in the graph drawing device 1 and arrayed at the center of the circle center; the shape of the graph drawing device 1 can be changed and the graph drawing device 1-1 is elliptic. The graph drawing device integrates the protractors, meter coordinates and the hole rulers and compasses and is good for promoting the study, research and measuring and drawing the precision and rate of spacial figurate numbers.

Description

Drawing instrument

Technical field

Drawing instrument of the present invention, by protractor, the chi coordinate, the mapping window, metric scale, foot, the hole ruler constitutes, and is fit to measure graphing.

Background technology

The standing crop hornwork, ruler, set square, the compasses bulk-breaking is usefulness respectively, and the protractor that has has yardstick, still is difficult for the mapping figure.

Summary of the invention

The present invention's purpose is to solve the deficiency of above-mentioned existing measurer, and protractor is provided, the chi coordinate, and mapping window and hole ruler integrated multipurpose, the drawing instrument that schema mapping figurate number value is simpler and more direct, its technology contents is as follows:

Drawing instrument is by protractor, the center of circle, chi coordinate, initial point, mapping limit, mapping window, metric scale, foot, scale, numeral, drawing instrument 1, drawing instrument 1-1 that hole ruler, hole constitute is characterized in that the center of circle, horizontal line and the perpendicular line of the protractor of described drawing instrument 1, respectively with metric scale with coordinate be integrated into chi origin, horizontal stroke, vertical mapping limit overlaps, survey and draw the limit and do the mapping window; Foot with chi can be applicable in the chi coordinate protractor of drawing instrument 1 size and the equal changeable of chi coordinate range.

0.5,1 millimeter of start radius is set in the described

drawing instrument

1, and 1 millimeter of back spacing is arranged with the center of circle at the hole in the hole of scale ruler; The radius value of hole ruler starter hole and the scale numeral changeable of distance values and range thereafter, the metric scale foot with chi all can combine the pore-forming ruler with the hole.

Described drawing instrument 1 can change shape, arranges metric scale, foot with chi and the setting of increase and decrease scale numeral and range; Drawing instrument 1-1 is oval, the interior range that adds foot and change metric scale; Can separately make 1/2nd shapes from the straight angle of drawing instrument 1, drawing instrument 1-1, reach and from 1/2nd shapes, separately make the drawing instrument that 1/4th structures are provided with, correspondingly protractor chi coordinate scale digit punch ruler and range be adjusted.

Drawing instrument of the present invention is than prior art, and its advantage is rational in infrastructure, and protractor, chi coordinate and hole ruler are collaborative, and it is very fast to be used to study the speed of surveying picture space figurate number.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further explained.

Fig. 1 is a drawing instrument schematic diagram of the present invention.

Fig. 2 is a drawing instrument 1-1 schematic diagram of the present invention.

Number in the figure 1. drawing instruments, the 1-1. drawing instrument, 2. protractor, the 2-1. center of circle, 3. chi coordinate, the 3-1. initial point, 3-2. surveys and draws the limit, and 3-3. surveys and draws window, 4. metric scale, 5. foot, 6. scale, 7. numeral, 8. hole ruler, 8-1. hole.

The specific embodiment

Drawing instrument of the present invention, collaborative with protractor chi, chi coordinate and hole ruler, be fit to the figurate number that the picture space technology is surveyed in research.

Fig. 1 is a drawing instrument schematic diagram of the present invention.Wherein, drawing instrument is by protractor, the center of circle, the chi coordinate, initial point, mapping limit, the mapping window, metric scale, foot, scale, numeral, hole ruler, drawing instrument 1, drawing instrument 1-1 that the hole constitutes, the center of circle 2-1, horizontal line and the perpendicular line that it is characterized in that the protractor 2 of described drawing instrument 1 overlap with initial point 3-1, horizontal stroke, the vertical mapping limit 3-2 that coordinate is integrated into chi coordinate 3 with metric scale 4 respectively, and mapping limit 3-2 is mapping window 3-3; Foot 5 with chi can be applicable in the chi coordinate 3 protractor 2 sizes and the equal changeables of chi coordinate 3 ranges of drawing instrument 1.

Metric scale 4 central starts and mapping limit 3-2, line with origin 3-1, horizontal stroke, vertical mapping limit 3-2 overlaps respectively, constitute chi coordinate 3, the other mapping window 3-3 that is of mapping limit 3-2, the angle of binding capacity hornwork 2, becoming can be directly, the drawing instrument 1 of rotation mapping figure, and drawing instrument 1-1 described later; Wherein scale 6 and numeral 7 are the protractors 2 to drawing instrument 1 and drawing instrument 1-1, chi coordinate 3, metric scale 4, foot 5, the general designation of scale and numeral in the hole ruler 8; Because protractor 2, chi coordinate 3, metric scale 4, foot 5 drawing instruments that are integrated into 1 and drawing instrument 1-1, at scale 6, numeral 7 and range have been done and have been adjusted increase and decrease, metric scale 4 has the positive and negative chi and the ordinal number chi of chi coordinate 3, the scale 6 of protractor 2 and numeral 7 than traditional measurer have increase change and be fit to application example need, the double scale 6 of protractor 2 will be surveyed and drawn the expanded range of angle to drawing instrument 1, around the drawing instrument 1-1, the quantity shape of the scale 6 of protractor 2 can correlate with being provided with, the numeral 7 that can keep one group of angle on the protractor 2 in the application at least, state change the size of the drawing instrument of back generation, the range of yardstick, what state of scale 6 shapes what and numeral 7 can need be provided with according to actual.

0.5,1 millimeter of start radius is set in the described

drawing instrument

1, and 1 millimeter hole ruler 8 at the hole of scale 6 8-1 of back spacing is arranged with center of circle 2-1; The radius value of hole ruler 8 starter hole 8-1 and scale 6 digital 7 changeables of distance values and range thereafter, 4 foot 5 of metric scale with chi all can combine pore-forming ruler 8 with hole 8-1.

Hole ruler 8 is arranged in the protractor 2 by positive and negative metric scale 4, the combination of 8-1 hole, hole, the line of shortest length of metric scale 4 scales 6 on the ruler 8 removes succinctly, also can do, one row hole 8-1 can directly read the numerical sequence of mapping radius on hole ruler 8 scales 6, the hole of two hole 8-1 is inserted one, in addition the occupation mode that paintbrush changes the arc that draws, circle is inserted in the hole, similarly be with metric scale 4, the hole ruler 8 of foot rule 5 is drawn arcs, circle; Hole 8-1 not of uniform size is distributed among drawing instrument 1, the drawing instrument 1-1 and is fit to the little circular arc of picture, 4 foot 5 of metric scale with chi all can with hole 8-1 with combine pore-forming ruler 8 and be used in drawing instrument 1, drawing instrument 1-1.

Fig. 2 is a drawing instrument 1-1 schematic diagram of the present invention.Wherein, described drawing instrument 1 can change shape, arrange metric scale 4, foot 5 with chi and the setting of increase and decrease scale 6 numerals 7 and range; Drawing instrument 1-1 is oval, the interior range that adds foot 5 and change metric scale 4; Can drawing instrument 1, the straight angle of drawing instrument 1-1 separately makes 1/2nd shapes, and separately makes the drawing instrument that 1/4th structures are provided with from 1/2nd shapes, correspondingly protractor 2 chi coordinate 3 scales, 6 digital 7 hole rulers 8 and range are adjusted.

Respectively be a little mapping window 3-3 in the scale up and down 6 of protractor 2, chi coordinate 3 mapping limit 3-2 mapping window 3-3 distribute can increase, vicissitudinous being equipped with; The hole 8-1 of aligned apertures ruler 8 on the scale 7 of chi coordinate 3 and metric scale 4,0.5,1 millimeter of starting point radius, back spacing reaches with aligned apertures 8-1 combination for 1 millimeter, forms picture arc, radius of a circle ordinal number; The positive and negative chi of foot 5 and ordinal number chi are arranged in the opposite side of chi coordinate 3 metric scales 4 mapping window 3-3, aligned apertures 8-1 on the scale 7 of

foot

5,1/16 inch of starting point radius, 1/16 inch of back spacing, with after prolong spacing and combine for 1 inch, form picture arc, radius of a circle ordinal number, foot is provided with positive and negative chi and ordinal number chi; Chi can arrange into drawing instrument 1-1, metric scale 4, foot 5 and the position chi in drawing instrument 1-1 and aforementioned drawing instrument 1 can be provided with according to needs; Drawing instrument 1 and drawing instrument 1-1 can be provided with metric scale 4 at least, the foot 5, chi among a kind of; The elliptical shape of drawing instrument 1-1 changes to scale 6, and the numeral 7 of angle has increase, has reduced the diameter of protractor 2 and the range of metric scale 4; Drawing instrument 1 shape can be made structural change at claim confining spectrum drawing instrument 1; In aforementioned drawing instrument 1, done the content of the description that center of circle 2-1 overlaps with initial point 3-1, and be provided with similarly with drawing instrument 1-1 structure and do not repeat.

The present invention is owing to drawing instrument 1, the preferable integral structure of drawing instrument 1-1, and safety is easy to production and supply, and yardstick is directly perceived, is easy to survey picture point-line-surface body group shape data, is of value to study, research, the mapping of technical drawing figurate number, improves precision, speed.

Claims

1. drawing instrument is by protractor, the center of circle, chi coordinate, initial point, mapping limit, mapping window, metric scale, foot, scale, numeral, the hole ruler, drawing instrument 1, drawing instrument 1-1 that the hole constitutes is characterized in that: the center of circle (2-1), horizontal line and the perpendicular line of the protractor (2) of described drawing instrument (1), overlap with initial point (3-1), horizontal stroke, the vertical mapping limit (3-2) that coordinate is integrated into chi coordinate (3) with metric scale (4) respectively, mapping window (3-3) is done on mapping limit (3-2); Foot (5) with chi can be applicable in the chi coordinate (3) protractor (2) size and the equal changeable of chi coordinate (3) range of drawing instrument (1).

2. according to claims 1 described drawing instrument, it is characterized in that: 0.5,1 millimeter of start radius is set in the described drawing instrument (1), and the hole ruler (8) in 1 millimeter hole at scale 6 of back spacing (8-1) is arranged with the center of circle (2-1); The radius value of hole ruler (8) starter hole (8-1) and scale (6) numeral (7) changeable of distance values and range thereafter, metric scale (4) foot (5) with chi all can combine pore-forming ruler (8) with hole (8-1).

3. according to claims 1 described drawing instrument, it is characterized in that: described drawing instrument (1) can change shape, arranges metric scale (4), foot (5) with chi and the setting of increase and decrease scale (6) numeral (7) and range; Drawing instrument (1-1) is oval, the interior range that adds foot (5) and change metric scale (4); Can separately make 1/2nd shapes from the straight angle of drawing instrument (1), drawing instrument (1-1), reach and from 1/2nd shapes, separately make the drawing instrument that 1/4th structures are provided with, correspondingly protractor (2) chi coordinate (3) scale (6) numeral (7) hole ruler (8) and range be adjusted.