CN2281902Y

CN2281902Y - Mutifunctional profile survey and drawing rule

Info

Publication number: CN2281902Y
Application number: CN 97211262
Authority: CN
Inventors: 许树林
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-03-14
Filing date: 1997-03-14
Publication date: 1998-05-20
Anticipated expiration: 2007-03-14

Abstract

The utility model relates to a multifunctional profile survey and drawing ruler which mainly comprises an angle ruler plate, a straight ruler angle plate and a graduated rule, wherein the angle ruler plate is a quadrangle angle ruler plate, and the included angles at four sides respectively are 30 DEG, 60 DEG, 120 DEG and 150 DEG; the angle ruler plate is also provided with a protractor with angle range of 0-150 DEG and a notch; one end of the straight ruler angle plate is provided with corner angles in 45 DEG, 90 DEG and 135 DEG, and the other end is provided with convex angles which are matched with the corner angles. The end head of the graduated rule is provided with the graduation with 60 DEG, and the graduated rule is provided with an oblique shoulder bench and a guide groove which are matched with each other. The utility model can draw and survey, and the accuracy is high. The utility model can survey any angle of a 360 DEG circle, and can arbitrarily and equally divide angles, lines, oblique lines, parallel lines, vertical lines, circles, arcs and curved lines.

Description

Multifunctional special-shaped graphometric square

The utility model relates to a kind of surveying and mapping tool, relates in particular to a kind of of many usesly, uses multifunctional special-shaped graphometric square easy to carry.

At present, plant design personnel make design, the student learns flat and stereo how much to need the various figures of picture, drawing instrument commonly used be set square, ruler, garden rule, protractor, T-square and so on.The drawing instrument of this quasi-tradition can only use separately, thereby function singleness, want to be used and then seem inconvenient, during as the certain angle of need picture, the cumbersome step that then needs 3 lines, carry inconvenience simultaneously, many in recent years people have invented some multifunctional assembled rulers, Chinese patent 94217247.7 discloses a kind of universal plotting instrument, though solved the various picture problems that engineers and technicians and student learn how much, but because its structure is to be arranged above and below on the support at band protractor two ends by four rulers, form at slide rule between the ruler up and down and the rotary ruler that is positioned at the groove of support, it is heavy that overall structure seems, uses dumbly, and it is bigger that ruler can not be close to the plane picture time error of dying.

The purpose of this utility model provides a kind of collection measurement and draws and is one, and is simple in structure, the special-shaped graphometric square of the combined multifunctional that accuracy flexible and convenient to use is high.

The technical solution of the utility model realizes as follows:

A kind of multifunctional special-shaped graphometric square, it mainly comprises angle square board, ruler gusset, graduated scale, and its angle square board is the quadrangle angle square board, and four limit angles are respectively 30 °, 60 °, 120 °, 150 °; Also has a 0-150 ° protractor on the angle square board, one side lean on the breach of opening of protractor; Square plate one end has a turning, and corner angle is respectively 45 °, 90 °, 135 °, and the other end has the plush copper angle of matching with breach on the angle square board; One end of graduated scale is 60 ° of degree scales; There is an oblique shoulder that is used in combination with the quadrangle angle square board at graduated scale middle part, near oblique shoulder one gathering sill that is used in combination with the ruler gusset is arranged.

The graduated scale other end has the plush copper angle of matching with the angle square board breach; A graduated scale part is provided with that not isometrical circular hole, a part are provided with equidistant holes, graduated scale calibration top is provided with equidistant semicircle orifice.

The breach on the angle square board and the ruler gusset epirelief brilliance that cooperates with it are isosceles trapezoid.

Good effect of the present utility model is:

1, simple in structure, of many uses, both can draw, energy measurement again, each parts both can use separately, use capable of being combined again, arbitrarily angled, any sub-multiple angle, line, oblique line, parallel lines, vertical line, circle, orphan, the curve of 360 ° of circles drawn, measured to alternative ruler, set square, protractor, T-square; Directly draw the point, line of coordinate, lonely connection, draw fixed 120 ° of equal axes axonometric drawings, 131 ° 25 ', 41 ° 25 ' positive two mappings, oblique two mappings; Can reach quick location to any square draws; Solve the limitation of industrial universal bevel protractor measuring angle, on surface of the work, drawn various angles, point, line, orphan, curve.Be used for Graphing of Engineering, teachers ' teaching, student do geometric figure and industrial workpiece blanking and measurement;

2, accuracy height after each plate is combined into one, is in same plane below and is close to drawing, so figure error that draw or that measure is little, especially graduated scale plate and angle square board can be surveyed the scale division value of drawing after making up.

Below in conjunction with accompanying drawing the utility model is described in further detail:

Fig. 1 is the structural representation of the utility model angle square board;

Fig. 2 is the structural representation of the utility model ruler gusset;

Fig. 3 is 60 ' graduated scale structural representation;

Fig. 4 is the structural representation after Fig. 1, Fig. 2 assembling;

Fig. 5 is the structural representation of the another kind of compound mode of Fig. 1, Fig. 2;

Fig. 6 is the structural representation by Fig. 1, Fig. 2, Fig. 3 assembling and transition state;

Fig. 7 is that Fig. 4 removes conjoined structure schematic diagram behind the breach;

Fig. 8 is the structural representation that removes among Fig. 7 behind the turning;

Can be found out that by Fig. 1, Fig. 2, Fig. 3 the utility model comprises that angle square board, ruler gusset, graduated scale, its angle square board are the quadrangle angle square board, four limits (1,2,3,4) angle is respectively 30 °, 60 °, 120 °, 150 °; Angle square board also has a 0-150 ° protractor 5 by both sides, one side by protractor 5 the trapezoidal breach of isosceles 6 arranged; Ruler gusset one end has a turning, the angle on both sides, turning (10,11) is that angle is the right angle between 45 °, limit 8 and the limit 11, forming outer angle between limit 9 and the limit 10 is 135 °, and the ruler gusset other end has the plush copper angle 7 of the isosceles trapezoid that matches with breach on the angle square board; In the termination 12 of graduated scale be 60 ' degree scale, every lattice accuracy value be 2 ', there is an oblique shoulder 14 that is used in combination with the quadrangle angle square board at graduated scale middle part, near oblique shoulder 14 gathering sill 15 that is used in combination with the ruler gusset is arranged, the graduated scale other end has the plush copper angle of isosceles trapezoid, is provided with not equidistant semicircle 18 holes by the plush copper arm of angle; A graduated scale part is provided with not isometrical circular hole 13, a part is provided with equidistant holes 16 and draws so that drawing pen inserts.

As can be seen from Figure 3, this chi had both possessed the performance of compasses, can directly draw the specific circle of this chi.Be about to tingle and insert equidistant aperture, as the center of circle, nib is straight circle and orphan that promotion semicircle orifice 18 just directly draws different size, if move nib is equidistant, curve and involute shape figure are just directly made in the position of the equidistant aperture 16 of nail conversion.

As seen from Figure 4, it is the plush copper angle of Fig. 2 ruler gusset isosceles trapezoid and the isosceles trapezoid breach on the angle square board to be interlocked be integrated, two chi plate upper and lower surface places at grade, angle square edges of boards 4 are formed 90 °, 120 ° of interior angles of angle square edges of boards 3 and ruler gusset limit 9 compositions with the limit 8 of ruler gusset, this combination can be drawn coordinate, straight line, parallel lines, vertical line, 120 ° of equal axes axonometric drawings, is the center of circle with nib 20 due to 120 ° of drift angle places, the whole chi of rotation, the arbitrarily angled of 360 ° of circles be can directly draw, oblique two mappings, geometric graph painted; Root wants this chi feature can be to industrial workpiece blanking and measurement.

As seen from Figure 5, angle square edges of boards 4 are used with ruler gusset limit 8 can survey and draw out 30 ° of angles, 105 ° of angles, and other each limit is used can survey and draw out multiple angles, ray, gradient and parallel lines.

As seen from Figure 6, this figure is by angle square board, ruler gusset, 60 ' graduated scale assembly and be integral, angle square board and ruler gusset are combined into the shape with Fig. 4, gathering sill 15 on 60 ' graduated scale is fastened on the blade of square and mutually perpendicular " recessed " shape images are formed with square edges of boards 8, angle square edges of boards 4 in the limit 17 that makes graduated scale of sliding along 8,9 both sides, can directly replace the sub-chi of fourth draw in length and breadth parallel lines, perpendicular bisector, arbitrarily foursquare quick location, draw coordinate; The oblique shoulder 14 of 60 ' graduated scale also can align with angle square edges of boards 3, locate at grade below three chis, it can only be that the center of circle rotates counterclockwise and draws 0-90 ° of interior angle with the summit that the summit that shoulder 14 summits hold out against the angle that ruler gusset and angle square board form makes 60 ' graduated scale, and draw out 360 ° of circles scale division value at any angle according to the calibration on the graduated scale, any five equilibrium of angle and positive two mappings; Semicircle orifice limit 18 is as given line segment length, and angular coordinates is the guiding constant speed movement in constitute along 4,8 both sides 90 °, and at this moment the track perpendicular to the equidistant hole 16 on limit 18 is a curve; As required, the length on preparation limit 18 is joined piece, can draw different curve maps.

Fig. 7 is identical with Fig. 4, and different is that two chi plates are that an integral body can not be used by disassemble.

Fig. 8 is identical with Fig. 7, and different is the turning of ruler gusset to be removed become an oblique angle.

Claims

1, a kind of multifunctional special-shaped graphometric square, it mainly comprises angle square board, ruler gusset, graduated scale, it is characterized in that angle square board is the quadrangle angle square board, four limits (1,2,3,4) angle is respectively 30 °, 60 °, 120 °, 150 °; Also have a 0-150 ° protractor (5) on the angle square board, by protractor (5) one side open a breach (6); Ruler gusset one end has a turning, and corner angle is respectively 45 °, 90 °, 135 °, and the other end has the plush copper angle (7) of matching with breach on the angle square board; In the termination (12) of graduated scale is 60 ° of degree scales; There is an oblique shoulder (14) that is used in combination with the quadrangle angle square board at graduated scale middle part, near oblique shoulder (14) gathering sill (15) that is used in combination with the ruler gusset is arranged.

2, multifunctional special-shaped graphometric square according to claim 1 is characterized in that the graduated scale other end has the plush copper angle of matching with angle square board breach (6); A part is provided with that not isometrical circular hole (13), a part are provided with equidistant holes (16), equidistant semicircle orifice (18) is established on the graduated scale top in the graduated scale.

3, multifunctional special-shaped graphometric square according to claim 1 and 2 is characterized in that the breach (6) on the angle square board and the plush copper angle (7) of the ruler gusset that cooperates with it is isosceles trapezoid.

4, multifunctional special-shaped graphometric square according to claim 1 is characterized in that angle square board and ruler gusset are fixed as one.

5, multifunctional special-shaped graphometric square according to claim 4, the turning that it is characterized in that the ruler gusset is the oblique angle.