CN211054794U

CN211054794U - Angle measuring set square

Info

Publication number: CN211054794U
Application number: CN201920687358.4U
Authority: CN
Inventors: 徐飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-07-21
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a volume angle set-square moves the angle scale on the former protractor to 45 set-squares, makes 0 line of angle scale and 180 lines just in time lie in the hypotenuse outer edge of set-square outside the special design, and the central point is located hypotenuse mid point position, marks special angle lines such as 30, 45, 60, and the inboard of angle scale has the semicircle of fretwork. Because the triangular plate is a 45-degree isosceles right triangle, the central point is a vertical foot, the height on the hypotenuse is superposed with the central line, the central line is marked with the length scale taking the central point as the starting point of the zero scale, and the two right-angle sides are also marked with the length scale taking the vertex of the right-angle side as the starting point of the zero scale. The functions of simultaneously drawing lines and measuring angles, accurately drawing parallel lines, simply drawing perpendicular lines and perpendicular intersecting lines, simultaneously measuring the lengths of mutually perpendicular lines and the like are realized, the functions of the original tool are expanded, and the tool has better usability.

Description

Angle measuring set square

Technical Field

The utility model relates to the technical field of drawing tools, in particular to a triangle for a drawing tool, in particular to a combination of the triangle for the drawing tool and a protractor, which combines the protractor and the triangle into a whole, thereby realizing the effect that the angle can be measured and measured on the same tool and the triangle can be used as the triangle; this greatly facilitates the drawing work and improves the drawing efficiency of the user.

Background

The existing drawing tool has the advantages that a set square and a protractor are independently designed, the two tools are used, simultaneously, because the angle scale lines of the protractor are designed in the middle of a semicircular protractor, when the drawing tool is used, drawing cannot be simultaneously performed with the protractor, an angle with a certain degree needs to be drawn, three steps of drawing a line, namely measuring the angle and drawing the line are generally needed, the operation steps are multiple, the set square is only limited to a single function of simply drawing the line, and finally the drawing efficiency can be seriously reduced.

In view of the above-mentioned drawbacks, it is desirable to provide a drawing tool with a combination of multiple functions to improve the drawing efficiency of the painter.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome and can't realize not enough of measurement, function singleness, the troublesome poeration of angle when setting out a line in current set-square and the use of protractor, the utility model discloses a special design increases the quantity angle scale on 45 set-squares, combines set-square and protractor as an organic whole, reduces instrument quantity, realizes that the setting-out goes on simultaneously with the protractor, accurate drawing parallel lines and simultaneous measurement right angle limit length etc. extend the function of original instrument.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the angle measuring triangular plate comprises two right-angle sides with the same length and a bevel edge, length scales are respectively arranged on the three sides of the triangular plate, a groove is arranged in the triangular plate, and the groove is of an arc groove structure which takes the midpoint of the bevel edge as the center of a circle and has an angle value of 150 and 170; the two arc edges corresponding to the grooves are provided with angle scales; the 0-degree line and the 180-degree line of the angle scale are just positioned at the outer edge of the bevel edge of the triangular plate.

Preferably, the slots are symmetrically distributed along the midpoint of the hypotenuse.

Preferably, the two right-angle edges are respectively provided with length scales; the bevel edge is provided with length scales, and the number of the length scales and the unit length of the length scales are determined according to the actual size of the protractor set square.

Preferably, the arc edge close to the bevel edge is provided with an angle scale; the arc edge far away from the bevel edge is provided with angle scales; the starting points of the two scales are arranged oppositely; the number of the angle scales is determined according to the actual size of the angle measuring triangle.

Preferably, a straight line is drawn with the vertex of the angle measuring triangle and the midpoint of the hypotenuse as the starting point and the ending point, and a length scale is provided on the straight line.

Preferably, the straight lines are provided with length scales, and each scale is provided with a straight line perpendicular to the straight line, and the number of the length scales and the unit length of the length scales are determined according to the actual size of the protractor triangle.

The set square is a 45-degree set square, the 45-degree set square is made of a light-transmitting material, angle scales are added on the 45-degree set square, the special design is that a 0-degree line and a 180-degree line are just positioned on the outer edge of the bevel edge of the set square, the central point of the 0-180-degree angle scales is positioned at the midpoint of the bevel edge, special angle lines such as 30 degrees, 45 degrees, 60 degrees and 90 degrees are marked radially from the central point, and the inner side of the angle scales is provided with a hollowed-out semicircular arc. Because the set square is a 45-degree isosceles right triangle, the high, middle and perpendicular bisectors on the hypotenuse are superposed, the central point is the foot, the length scale which takes the central point as the zero scale starting point is marked on the perpendicular bisector, a plurality of parallel filter lines which are parallel to the hypotenuse are additionally arranged, and the length scales which take the vertex of the right-angle side as the zero scale starting point are also marked on the two right-angle sides.

According to the angle measuring triangle, the angle scales are increased on the 45-degree triangle, particularly, the 0-degree line and the 180-degree line of the angle scale lines are just positioned at the outer edge of the bevel edge of the triangle, the central point is positioned at the middle point of the bevel edge, special angle lines of 30 degrees, 45 degrees, 60 degrees and 90 degrees are radially marked by the central point, and the inner sides of the angle scales are provided with hollowed-out semicircular arcs. The design can complete the function of the original semicircular protractor, and can realize the simultaneous drawing and angle measurement, so that the operation of drawing any angle is simple and convenient. The angle measuring set square is in a 45-degree isosceles right-angle three shape, and the center line, the height scale line and the 90-degree angle scale line on the inclined edge are overlapped and combined with the inclined edge to form a T shape, so that a perpendicular line can be conveniently drawn.

The central line on the bevel edge of the angle measuring triangle is perpendicular to the bevel edge, namely the perpendicular bisector, the length scale is marked on the perpendicular bisector by taking the central point as a zero scale starting point, and a plurality of parallel filter lines parallel to the bevel edge are additionally arranged on a certain scale, so that parallel lines can be conveniently and accurately made.

The length scales are marked on the two right-angle edges of the angle measuring triangle, the top points of the right-angle edges are used as zero scale starting points of the scales, the lengths of two mutually perpendicular lines can be measured simultaneously, and when a right-angle triangle and a coordinate system are drawn, the operation is simple, and the drawing efficiency can be improved.

The beneficial effects of the utility model are that, through special overall arrangement design, close set-square and protractor as an organic whole, when having original instrument function, overcome the shortcoming that setting-out and protractor can not go on simultaneously, conveniently make the intersecting line of arbitrary angle, including the plumb line. The added scale lines are beneficial to drawing of parallel lines, right-angle three shapes, coordinate system measurement, point taking and the like, so that the operation is simpler and easier, and the drawing efficiency is effectively improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of an angular operation;

FIG. 3 is a schematic diagram of the operation of parallel lines;

FIG. 4 is a schematic view of the vertical line operation;

fig. 5 is a coordinate system assignment operation intention.

In the figure, 1 is a bevel edge, 2 is a first right-angle edge, 3 is a parallel line, 4 is a perpendicular bisector, 5 is a second right-angle edge, 6 is an angle scale, 7 is a hollow arc, 8.30 is an angle scale mark, 9.45 is an angle scale mark, 10.60 is an angle scale mark, and 11 is a central point.

Detailed Description

The present invention will be further described with reference to fig. 1-5 and the following detailed description.

[ example 1 ]

The utility model discloses a printing opacity material preparation, increase amount angle scale on 45 set-square, the special design is that angle scale central point 11 is located the intersect of hypotenuse 1 outer edge and perpendicular bisector 4 of set-square, fretwork circular arc 7 outside is marked with 0-180 degree angle scale, the inboard is marked 15 °, 30 °, 45 °, 60 °, 75 °, 90 ° angle line, its 90 ° angle line left and right sides respectively mark from the central point three special angle lines of 30 °, 45 °, 60 °.

[ example 2 ]

The length scale is marked on the perpendicular bisector 4 on the hypotenuse 1 of the set square, the scale takes the central point 11 as a starting point, the broken line is long along a certain scale, the broken line is parallel to the hypotenuse along the long broken line, the broken line is the parallel line 3 along the long broken line, and the accurate parallel line making is facilitated. Referring to fig. 1, a line AB is drawn, then a parallel line 3 at the 2cm scale mark on the perpendicular bisector 4 is superposed with the line AB, and a line CD is drawn along the oblique side 1, so that the CD is parallel to the line AB and is 4cm away from the line AB, and a plurality of parallel lines within the scale range can be conveniently and accurately drawn according to the method.

[ example 3 ]

The perpendicular bisector 4 on the hypotenuse 1 of the set square is a 90-degree angle scale mark, and the perpendicular line and the vertical intersecting line can be conveniently drawn by utilizing the characteristic that the perpendicular bisector 4 is perpendicular to the hypotenuse 1. Referring to fig. 4, a line AB is drawn, and then a perpendicular line MO or a perpendicular intersection line AB and MN is drawn along the hypotenuse 1 by making a line MO or MN coincident with the perpendicular line AB.

[ example 4 ]

The length scales are marked on the first right-angle side 2 and the second right-angle side 5 of the triangular plate, and the starting points of the scales are vertexes of 90 degrees. As shown in fig. 5, the method of embodiment 3 is adopted to make vertically intersecting vertical and horizontal coordinate axes, so that the vertex of the 90 ° angle of the triangle is placed at the position of the origin O of the coordinate system, and the two right-angle sides are respectively superposed with the vertical and horizontal coordinate axes, and at this time, the scale marks on the two right-angle sides can be referred to respectively realize accurate assignment on the vertical and horizontal coordinate axes.

Compared with the prior art, the utility model has the positive effects that: the beneficial effects of the utility model are that, through special overall arrangement design, close set-square and protractor as an organic whole, when having original instrument function, overcome the shortcoming that setting-out and protractor can not go on simultaneously, conveniently make the intersecting line of arbitrary angle, including the plumb line. The added scale lines are beneficial to drawing of parallel lines, right-angle three shapes, coordinate system measurement, point taking and the like, so that the operation is simpler and easier, and the drawing efficiency is effectively improved.

To sum up, only embody the preferred technical scheme of the utility model, some changes that the technical staff in the field probably made to some of them all embody the principle of the utility model, all should be the technical scope of the utility model.

Claims

1. The utility model provides a volume angle set-square, the set-square comprises two right-angle sides that length is the same and an hypotenuse, three edges of set-square are provided with length scale, its characterized in that respectively: a groove is arranged in the triangular plate, and the groove is an arc groove structure which takes the center of the middle point of the bevel edge as the center and has an angle value of 150 and 170; the two arc edges corresponding to the grooves are respectively provided with angle scales, the starting points of the two angle scales are arranged oppositely, the 0-degree line and the 180-degree line of the angle scales are just positioned at the outer edge of the bevel edge of the triangular plate, the central point of the 0-180-degree angle scale line of the angle scales is positioned at the middle point of the length direction of the bevel edge, and the length scales with the central point as the zero scale starting point are marked in the 90-degree angle scale line direction of the angle scales;

the grooves are symmetrically distributed along the middle point of the bevel edge; and drawing a straight line by taking the top point of the angle measuring triangle and the middle point of the bevel edge as a starting point and an end point, and setting length scales on the straight line.

2. The triangle of claim 1, wherein the two right-angle sides are respectively provided with length scales of 0, 1, 2, 3, 4, 5, 6 and 7; the bevel edge is provided with length scales of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10.

3. The triangle of claim 2, wherein the arc edge near the bevel edge is provided with an angle scale of 15 °, 30 °, 45 °, 60 °, 75 °; the arc edge far away from the bevel edge is provided with angle scales of 15 degrees, 30 degrees, 45 degrees, 60 degrees, 75 degrees, 90 degrees, 105 degrees, 120 degrees, 135 degrees, 150 degrees and 165 degrees; the starting points of the two scales are arranged oppositely.

4. The triangle of claim 1, wherein the straight lines are respectively provided with length scales of 1, 2, 3 and 4, and a straight line perpendicular to the straight line is respectively provided on each scale.