CN115610140A

CN115610140A - Integrated drawing and counting ruler

Info

Publication number: CN115610140A
Application number: CN202211299963.7A
Authority: CN
Inventors: 端正
Original assignee: Huainan Normal University
Current assignee: Huainan Normal University
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-17

Abstract

The invention is suitable for the technical field of rulers, and provides an integrated drawing and counting ruler, which comprises a protractor and a straight ruler; the one end of ruler trailing flank with the one end of protractor leading flank bottom is passed through the gag lever post and is rotated and be connected, the one end of protractor leading flank bottom with the one end of ruler trailing flank all seted up with the patchhole of gag lever post looks adaptation, the rear end fixedly connected with limiting plate of gag lever post. This statistics map chi is painted in integration is the centre of a circle through centre of a circle lug, places the pencil in the inside of patchhole to the anticlockwise rotation, can draw the circular arc, through the position of adjustment protractor, makes the pencil encircle the round after, can draw circularly, is convenient for draw fan-shaped statistics map, and the accessible pencil is placed inside the patchhole of different positions, is convenient for draw different radial circular, and easy operation draws circularly convenient, and corresponding fan-shaped map can be drawn to rethread calculation and protractor.

Description

Integrated drawing and counting ruler

Technical Field

The invention belongs to the technical field of rulers, and particularly relates to an integrated drawing and statistics ruler.

Background

The ruler is also called measuring ruler and graduated scale, and is used for drawing line segment and measuring length. The ruler is usually graduated to measure length. Some rulers are provided with special shapes such as letters or circular holes in the middle, so that a user can conveniently draw pictures, the ruler is generally used for measuring and calculating the length and generally comprises a measuring tape, a vernier caliper, a square ruler, a straight ruler and the like, the ruler used in different occasions has different requirements and standards for the ruler, the ruler is mainly used for measuring and calculating the length, the ruler is required to be accurate in numerical value, the ruler is mainly used for marking the quality of the numerical value, a protective film is generally burnt on the ruler after the numerical value is marked, and the ruler is mainly used for selecting materials and is mainly divided into plastic, metal and wood rulers.

In daily work, in order to look over the difference of data digit more that the staff is audio-visual, can be according to the statistics, draw the statistical chart of various figures with geometry, thing image and map etc. the drawing of statistical chart needs to use ruler, protractor and compasses to use together just can accomplish the drawing, and the instrument of carrying is more, leads to drawing of statistical chart comparatively inconvenient, is unfavorable for the drawing use of statistical chart.

Disclosure of Invention

The invention provides an integrated drawing statistical chart ruler, aiming at solving the problem that the drawing of a statistical chart is inconvenient because drawing can be finished only by using a ruler, a protractor and a compass together, and more tools are carried.

The invention is realized in this way, an integrated drawing and counting ruler comprises a protractor and a straight ruler;

one end of the rear side face of the ruler is rotatably connected with one end of the bottom of the front side face of the protractor through a limiting rod, inserting holes matched with the limiting rod are formed in one end of the bottom of the front side face of the protractor and one end of the rear side face of the ruler, two ends of the limiting rod respectively extend to the front side face of the ruler and the rear side face of the protractor through the interiors of the two inserting holes, a limiting plate is fixedly connected to the rear end of the limiting rod, and a circle center bump is fixedly connected to the rear side face of the limiting plate;

a positioning block is detachably arranged at the front end of the limiting rod, a bolt is fixedly connected to the rear side face of the positioning block, a threaded hole matched with the bolt is formed in the front end face of the limiting rod, and the bolt is in threaded connection with the inside of the threaded hole;

the front side surface of the ruler is provided with a plurality of insertion holes, the rear side surface of the inner wall of each insertion hole extends to the rear side surface of the ruler, and the insertion holes are uniformly distributed and arranged at intervals along the length direction of the ruler;

the length of the ruler is equal to the length of the bottom of the protractor, and when the ruler rotates to overlap with the protractor, the rear side face of the ruler is in contact with the front side face of the protractor.

Preferably, the surface of the ruler is fixedly connected with a plurality of arc-shaped convex blocks, and the arc-shaped convex blocks are uniformly distributed and arranged at intervals along the length direction of the ruler.

Preferably, another terminal surface fixedly connected with a plurality of triangle lug of ruler, it is a plurality of the triangle lug is followed the even interval distribution of width direction of ruler arranges.

Preferably, a plurality of special-shaped holes are formed in the surface of the protractor, and the special-shaped holes comprise a circle, an equilateral triangle and a square.

Preferably, a cylinder is detachably screwed into one of the insertion holes, and an elastic pad is fixedly connected to an inner wall surface of the cylinder.

Preferably, the one end fixedly connected with of protractor front surface bottom holds the box, the gliding vertical connecting plate that is provided with of horizontal direction can be followed to the inner chamber that holds the box, the top of connecting plate can extend to with the pull hold the outside of box, the solid fixed ring of top fixedly connected with of connecting plate, the horizontal fixedly connected with joint rod in a side of connecting plate, the other end of joint rod can extend to with the pull hold the outside of box, the horizontal fixedly connected with pull pole in another side that holds the box, the other end of pull pole can extend to with the pull will hold the outside of box.

Preferably, one end face of the ruler is fixedly connected with a fixing block, and the fixing block is provided with a through hole matched with the clamping rod.

Preferably, the surface of the ruler is fixedly connected with a connecting block, a groove matched with the drawing rod is formed in one side face of the connecting block, a first magnetic block is fixedly connected to the other end face of the drawing rod, and a second magnetic block attracted by the first magnetic block is fixedly connected to the other side face of the inner wall face of the groove.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

(1) The ruler comprises a ruler body, a limiting rod, a circle center lug, a pencil, an inserting hole, an anticlockwise rotation direction, a circular arc can be drawn, the position of the protractor is adjusted, the pencil surrounds the circle, the circular arc can be drawn, the fan-shaped statistical chart is convenient to draw, the pencil can be placed inside the inserting hole in different positions, circles of different radiuses can be drawn conveniently, the operation is simple, convenience is brought to drawing of circular convenience, and corresponding fan-shaped charts can be drawn through calculation and the protractor.

(2) The ruler is connected with the protractor through the limiting rod to form a whole, when the line drawing is carried out, the ruler is bent to 90 degrees, the coordinates of the line drawing can be completed through the ruler, the positions of the other end of the protractor and the length of the protractor are equal to the length of the ruler, the line drawing can be drawn according to the intersection points of two straight lines, points can be drawn conveniently corresponding to the horizontal and vertical coordinates, accuracy and high efficiency are achieved, and auxiliary lines do not need to be drawn.

(3) The ruler is connected with the protractor through the limiting rod to form a whole, the columnar picture is drawn, the drawing of the columnar picture can be completed through the ruler, only one tool is needed, the drawing of various statistical pictures can be completed simultaneously, the tools carried are few, the drawing of the statistical pictures is convenient, and the drawing of the statistical pictures is facilitated.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic structural view of the protractor and the ruler of the present invention;

FIG. 3 is a schematic view of the structure of the straight edge and the insertion hole of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1A of the present invention;

FIG. 5 is a partial enlarged view of FIG. 3 at B.

In the figure: 1. a protractor; 2. a limiting rod; 3. a straightedge; 4. an elastic pad; 5. a circular arc bump; 6. a special-shaped hole; 7. a triangular bump; 8. accommodating the box; 9. a connecting plate; 10. a fixing ring; 11. a movable opening; 12. a clamping and connecting rod; 13. a fixed block; 14. a port; 15. a pull rod; 16. connecting blocks; 17. a first magnetic block; 18. a groove; 19. a second magnetic block; 20. an insertion hole; 21. a cylinder; 22. a limiting plate; 23. a circle center bump; 24. positioning a block; 25. a bolt; 26. a threaded bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: an integrated drawing and statistics ruler comprises a protractor 1 and a straight ruler 3; one end of the rear side surface of the ruler 3 is rotationally connected with one end of the bottom of the front side surface of the protractor 1 through the limiting rod 2, and the inserting hole 20 matched with the limiting rod 2 is formed in one end of the bottom of the front side surface of the protractor 1 and one end of the rear side surface of the ruler 3.

The two ends of the limiting rod 2 respectively extend to the front side face of the straight scale 3 and the rear side face of the protractor 1 through the insides of the two insertion holes 20, the rear end of the limiting rod 2 is fixedly connected with a limiting plate 22, and the rear side face of the limiting plate 22 is fixedly connected with a circle center lug 23.

The front end of the limiting rod 2 is detachably provided with a positioning block 24, the rear side face of the positioning block 24 is fixedly connected with a bolt 25, the front end face of the limiting rod 2 is provided with a threaded hole 26 matched with the bolt 25, and the bolt 25 is in threaded connection with the inside of the threaded hole 26.

After one of the protractor 1 or the ruler 3 is damaged, the positioning block 24 can be twisted to drive the bolt 25 to rotate, the bolt 25 is detached from the inside of the threaded hole 26, the positioning block 24 can be detached from the front end of the limiting rod 2, the limiting rod 2 is detached from the inside of the insertion hole 20, the connection between the protractor 1 and the ruler 3 is released, and the damaged component can be detached and replaced conveniently, or the intact component can be used independently.

The front side of the ruler 3 is provided with a plurality of insertion holes 20, the rear side of the inner wall of each insertion hole 20 extends to the rear side of the ruler 3, and the insertion holes 20 are uniformly distributed and arranged at intervals along the length direction of the ruler 3.

Through being connected as a whole back with ruler 3 and protractor 1 through gag lever post 2, when drawing fan-shaped statistical chart, swing joint through gag lever post 2, can be curved to 90 degrees ruler 3, after supporting with centre of a circle lug 23 and paper, use centre of a circle lug 23 as the centre of a circle, place the pencil in the inside of patchhole 20, it is rotatory to use the counter clockwise, can draw the circular arc, through the position of adjustment protractor 1, make the pencil encircle the round after, can draw circularly, be convenient for draw fan-shaped statistical chart, and the accessible pencil is placed inside patchhole 20 of different positions, be convenient for draw different radial circular, easy operation draws circularly convenient, rethread calculation and protractor 1 can draw into corresponding fan-shaped chart.

The length of the straight ruler 3 is equal to the length of the bottom of the protractor 1, and when the straight ruler 3 rotates to be overlapped with the protractor 1, the rear side face of the straight ruler 3 is in contact with the front side face of the protractor 1.

When the line drawing is carried out, after the straight ruler 3 is bent to 90 degrees, the coordinates of the line drawing can be completed by using the straight ruler 3, then the other end of the protractor 1 is positioned, the length of the bottom of the protractor 1 is equal to that of the straight ruler 3, the line drawing can be carried out according to the intersection point of two straight lines, as shown in fig. 2, points can be conveniently drawn corresponding to horizontal and vertical coordinates, accuracy and high efficiency are achieved, and auxiliary lines do not need to be drawn.

Drawing the histogram, can accomplish the drawing to the histogram through ruler 3, only need an instrument, can accomplish the drawing of multiple statistical chart simultaneously, the instrument of carrying is less, and the drawing of statistical chart is comparatively convenient, does benefit to the drawing use of statistical chart.

Further, the surface of the straight ruler 3 is fixedly connected with a plurality of arc bumps 5, and the arc bumps 5 are uniformly distributed and arranged at intervals along the length direction of the straight ruler 3.

In the present embodiment, the plurality of circular arc bumps 5 facilitate a user to draw a wavy line in the drawing process.

Furthermore, another terminal surface fixedly connected with a plurality of triangle lug 7 of ruler 3, a plurality of triangle lugs 7 are evenly spaced apart along the width direction of ruler 3 and are arranged.

In the present embodiment, the arc bumps 5 facilitate the user to draw the sawtooth lines during the drawing process.

Furthermore, a plurality of irregular holes 6 are formed in the surface of the protractor 1, and the irregular holes 6 include a circle, an equilateral triangle and a square.

In the present embodiment, the plurality of circular arc bumps 5 facilitate a user to draw different small figures during the drawing process.

Further, a cylinder 21 is detachably screwed into the inside of one insertion hole 20, and an elastic pad 4 is fixedly attached to the inner wall surface of the cylinder 21.

In the present embodiment, the cylinder 21 can be installed in the insertion hole 20 at different positions by twisting the cylinder 21, and the cylinder 21 facilitates increasing the release area with respect to the pencil, and facilitates the pencil to more smoothly drive the straight edge 3 to move to draw the arc.

Further, the one end fixedly connected with of 1 leading flank bottom of protractor holds box 8, the gliding vertical connecting plate 9 that is provided with of horizontal direction can be followed to the inner chamber that holds box 8, but the top of connecting plate 9 extends to the outside that holds box 8 with the pull, the solid fixed ring 10 of top fixedly connected with of connecting plate 9, the horizontal fixedly connected with joint pole 12 of a side of connecting plate 9, the other end of joint pole 12 can extend to the outside that holds box 8 with the pull, hold the horizontal fixedly connected with pull pole 15 of another side of box 8, the other end of pull pole 15 can extend to the outside that will hold box 8 with the pull.

In this embodiment, the top of the accommodating box 8 is transversely provided with a movable opening 11 for the connecting plate 9 to move, and a drawing person can push and pull the connecting plate 9 to move by holding the fixing ring 10 by hand, so that the clamping rod 12 and the pulling rod 15 can be driven to pull and move in different directions.

Furthermore, a fixing block 13 is fixedly connected to one end face of the straight scale 3, and a through hole 14 matched with the clamping rod 12 is formed in the fixing block 13.

In this embodiment, when ruler 3 rotates to when constituteing 90 degrees vertical state with 1 bottom of protractor, drive fixed block 13 and remove, make opening 14 remove to the position that corresponds with joint pole 12, draw personnel can promote connecting plate 9 and remove to one end, joint pole 12 extension inserts in 14's the inside of opening, can contradict with 1 protractor to constitute 90 degrees to 3 vertical states of ruler and fix, avoid the in-process ruler 3 of drawing to appear offset, improve the drawing quality.

Further, a connecting block 16 is fixedly connected to the surface of the straight scale 3, a groove 18 matched with the pull rod 15 is formed in one side face of the connecting block 16, a first magnetic block 17 is fixedly connected to the other end face of the pull rod 15, and a second magnetic block 19 attracted to the first magnetic block 17 is fixedly connected to the other side face of the inner wall face of the groove 18.

In this embodiment, when the ruler 3 rotates to the horizontal state overlapping with the protractor 1, the connecting block 16 is driven to move, the groove 18 is moved to the position corresponding to the drawing rod 15, drawing personnel can push the connecting plate 9 to move towards the other end, the drawing rod 15 is extended and inserted into the inner part of the groove 18, and after the first magnetic block 17 and the second magnetic block 19 are mutually attracted, the horizontal state of the ruler 3 and the protractor 1 can be fixed, so that the occupied area is reduced, and the drawing is facilitated to be carried manually.

The working principle and the using process of the invention are as follows: after the ruler is installed, the ruler 3 and the protractor 1 are connected into a whole through the limiting rod 2, when a fan-shaped statistical chart is drawn, the ruler 3 can be bent to 90 degrees through the movable connection of the limiting rod 2, after the circle center lug 23 is abutted against paper, a pencil is placed inside the insertion hole 20 by taking the circle center lug 23 as the circle center and rotating in the anticlockwise direction, an arc can be drawn, the circle can be drawn after the pencil is wound around one circle by adjusting the position of the protractor 1, the fan-shaped statistical chart can be drawn conveniently, the pencil can be placed inside the insertion hole 20 at different positions, circles with different radiuses can be drawn conveniently, when the line is drawn, after the ruler 3 is bent to 90 degrees, the coordinates of the line can be drawn by using the ruler 3, the positioning at the other end of the protractor 1 and the length of the ruler 3 are increased, the line of the bottom of the protractor 1 is equal to the length of the ruler 3, the line can be drawn according to the intersection point of two straight lines, the column chart can be drawn, and the column chart can be drawn by drawing through the ruler 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a statistics drawing chi is painted to integration which characterized in that: comprises a protractor (1) and a ruler (3);

one end of the rear side face of the ruler (3) is rotatably connected with one end of the bottom of the front side face of the protractor (1) through a limiting rod (2), inserting holes (20) matched with the limiting rod (2) are formed in one end of the bottom of the front side face of the protractor (1) and one end of the rear side face of the ruler (3), two ends of the limiting rod (2) respectively extend to the front side face of the ruler (3) and the rear side face of the protractor (1) through the interiors of the two inserting holes (20), a limiting plate (22) is fixedly connected to the rear end of the limiting rod (2), and a circle center lug (23) is fixedly connected to the rear side face of the limiting plate (22);

a positioning block (24) is detachably arranged at the front end of the limiting rod (2), a bolt (25) is fixedly connected to the rear side face of the positioning block (24), a threaded hole (26) matched with the bolt (25) is formed in the front end face of the limiting rod (2), and the bolt (25) is in threaded connection with the inside of the threaded hole (26);

the front side surface of the ruler (3) is provided with a plurality of insertion holes (20), the rear side surface of the inner wall of each insertion hole (20) extends to the rear side surface of the ruler (3), and the insertion holes (20) are uniformly distributed and arranged at intervals along the length direction of the ruler (3);

the length of ruler (3) with the bottom length of protractor (1) equals, ruler (3) rotate to with when protractor (1) overlaps, the trailing flank of ruler (3) with the leading flank contact of protractor (1).

2. An integrated statistical drawing scale as claimed in claim 1, wherein: the surface of the ruler (3) is fixedly connected with a plurality of arc bumps (5), and the arc bumps (5) are arranged along the length direction of the ruler (3) in an evenly-spaced distribution mode.

3. An integrated statistical drawing scale as claimed in claim 1, wherein: another terminal surface fixedly connected with a plurality of triangle lug (7) of ruler (3), it is a plurality of triangle lug (7) are followed the even interval distribution of width direction of ruler (3) is arranged.

4. An integrated statistical plotting scale as claimed in claim 1 in which: a plurality of dysmorphism hole (6) have been seted up on the surface of protractor (1), dysmorphism hole (6) are including circular, equilateral triangle and square.

5. An integrated statistical drawing scale as claimed in claim 1, wherein: a cylinder (21) is detachably connected with the inside of the insertion hole (20) in a threaded manner, and an elastic pad (4) is fixedly connected to the inner wall surface of the cylinder (21).

6. An integrated statistical drawing scale as claimed in claim 1, wherein: the utility model discloses a protractor, including protractor (1), one end fixedly connected with of leading flank bottom holds box (8), the inner chamber that holds box (8) can be followed the gliding vertical connecting plate (9) that is provided with of horizontal direction, the top of connecting plate (9) can extend to with drawability hold the outside of box (8), the solid fixed ring of top fixedly connected with (10) of connecting plate (9), the horizontal fixedly connected with joint pole (12) of a side of connecting plate (9), the other end of joint pole (12) extends to with drawability hold the outside of box (8), hold the horizontal fixedly connected with pull pole (15) of another side of box (8), the other end of pull pole (15) extends to with drawability hold the outside of box (8).

7. An integrated statistical drawing scale as claimed in claim 6, wherein: one end face of the ruler (3) is fixedly connected with a fixing block (13), and a through hole (14) matched with the clamping rod (12) is formed in the fixing block (13).

8. An integrated statistical plotting scale as claimed in claim 6 in which: the ruler is characterized in that a connecting block (16) is fixedly connected to the surface of the ruler (3), a groove (18) matched with the drawing rod (15) is formed in one side face of the connecting block (16), a first magnetic block (17) is fixedly connected to the other end face of the drawing rod (15), and a second magnetic block (19) attracted by the first magnetic block (17) is fixedly connected to the other side face of the inner wall face of the groove (18).