CN211764551U

CN211764551U - Higher mathematics plotter

Info

Publication number: CN211764551U
Application number: CN202020395642.7U
Authority: CN
Inventors: 武亚男; 杨禹慧
Original assignee: Luliang University
Current assignee: Luliang University
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-10-27
Anticipated expiration: 2030-03-25

Abstract

The utility model provides an advanced mathematics plotter, including the chi pole main part, the intermediate position department movable mounting of chi pole main part has the locking pivot, the outer fringe department of the central point about the locking pivot has carved the bevel protractor in the chi pole main part, the scale pointer has carved the one end of bevel protractor, the one end activity of chi pole main part is pegged graft and is had second section telescopic ruler, the one end activity of second section telescopic ruler is pegged graft and is had third section telescopic ruler, it has the bar hole to open in the third section telescopic ruler, movable mounting has the locking ring in the bar hole, be connected with oval drawing cotton rope in the locking ring, oval drawing cotton rope connects in an organic whole body axle. Through placing an organic whole axle in the locking pivot be convenient for fix a position the one end of chi pole main part, take place the slip problem when avoiding actually drawing, wholly adopt multisection ruler to accomodate through flexible, folding and can make holistic structure compacter, whole appearance is small and exquisite more pleasing to the eye, convenient in carrying.

Description

Higher mathematics plotter

Technical Field

The utility model relates to a drawing tool technical field, concretely relates to higher mathematics plotter.

Background

Involve a large amount of function courses in carrying out advanced mathematics teaching course, consequently need draw when going on class in the classroom, the teacher utilizes the hand to draw usually in traditional teaching, draw ellipse or other figures by the sensation, drawing tool to teaching is the complete set sale mostly in the market, inside has multiple drawing tool, comparatively in a jumble or disorderly when in-service use, and need use the multiunit instrument to cooperate at the in-process of giving lessons in fact and draw, can lead to the limitation problem that alone can't draw sometimes, the instrument is more portable not convenient for simultaneously, in addition draw because the ruler is longer or be not convenient for less when carrying out the straight line and drawing, do not have certain drawing convenience.

Therefore, an advanced mathematic plotter is provided to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide an advanced math plotter for solving the above problems.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an advanced mathematics plotter, which comprises a ruler rod main body, wherein a locking rotating shaft is movably arranged at the middle position of the ruler rod main body, a protractor is carved at the outer edge of the central point of the locking rotating shaft in the ruler rod main body, a scale pointer is carved at one end of the protractor, a second section telescopic ruler is movably inserted at one end of the ruler rod main body, a third section telescopic ruler is movably inserted at one end of the second section telescopic ruler, a strip-shaped hole is arranged in the third section telescopic ruler, a locking ring is movably arranged in the strip-shaped hole, an elliptical drawing rope is connected in the locking ring, the elliptical drawing rope is wound in an integral shaft, a chalk inserting hole is arranged at the middle position of the locking ring, threaded holes are arranged at the two ends of the integral shaft, a rubber chalk sleeve and a sucking disc are connected in the threaded holes at the two ends of the integral shaft through bolts, the integrated shaft is internally provided with a rope containing ring groove, the integrated shaft is movably connected with a built-in ball, the rear side end of the ruler rod main body is additionally provided with a baffle bar, and the outer surface of the upper end of the ruler rod main body is provided with an inserting groove.

As an optimized technical scheme of the utility model, the through-hole has been seted up to the intermediate position department of locking pivot, and the internal diameter size of through-hole slightly is greater than the external diameter size of integrative axle.

As a preferred technical scheme of the utility model, the upper end surface looks parallel and level of second section telescopic ruler and third section telescopic ruler in the chi pole main part, the echelonment is personally submitted to the lower extreme surface.

As a preferred technical scheme of the utility model, keep away from the one end fixedly connected with rubber angle cover of second section telescopic ruler in the telescopic ruler of third section, and the holistic thickness of rubber angle cover is the same with the thickness of chi pole main part.

As an optimized technical scheme of the utility model, the whole chi pole main part is formed by the preparation of aluminium type alloy material.

As an optimized technical scheme of the utility model, the locking pivot is equipped with spacing in the position department of 180 degrees.

As an optimized technical scheme of the utility model, the stretching maximum length of second section telescopic ruler and third section telescopic ruler is 100 mm.

The utility model discloses the beneficial effect who reaches is: the utility model discloses wholly adopt multisection ruler to accomodate through flexible, folding and to make holistic structure compacter, whole appearance is small and exquisite more pleasing to the eye, convenient in carrying. Through seting up bar hole cooperation locking ring, can be convenient for the locking ring activity in the bar hole simultaneously through connecting the ellipse and drawing the ellipse that the line rope can draw corresponding size and specification. Through adopting integrative axle, and the inside of integrative axle adds the ball body that is equipped with similar to bearing structure and has made things convenient for the flexibility ratio that the curve was drawn more, set up the annular simultaneously and can be convenient for accomodate the cotton rope at the surface of integrative axle, set up the sucking disc that the screw hole cooperation is connected with the bolt at the both ends of integrative axle in addition, fix a position the one end of chi pole main part through placing integrative axle in the locking pivot, take place the slip problem when avoiding actually drawing, whole convenient to use, it is better for the drawing instrument drawing operation effect among the traditional mode.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall plane structure of the present invention;

FIG. 2 is a schematic view of the overall axial structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the integrated shaft of the present invention;

fig. 4 is a schematic diagram of the locking ring axial structure of the present invention.

In the figure: 1. a blade lever main body; 2. locking the rotating shaft; 3. an angle ruler; 4. a scale pointer; 5. a second section of telescopic ruler; 6. a third section of telescopic ruler; 7. a strip-shaped hole; 8. locking a ring; 9. drawing a thread rope in an oval manner; 10. an integral shaft; 11. a chalk inserting hole; 12. a threaded hole; 13. a rubber chalk cover; 14. a suction cup; 15. a cord receiving ring groove; 16. balls are arranged inside; 17. a stop bar; 18. and (4) inserting grooves.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-4, the utility model provides a higher mathematics plotter, which comprises a ruler rod main body 1, a locking rotating shaft 2 is movably arranged at the middle position of the ruler rod main body 1, a protractor 3 is carved at the outer edge of the central point of the locking rotating shaft 2 in the ruler rod main body 1, a scale pointer 4 is carved at one end of the protractor 3, a second section telescopic ruler 5 is movably inserted at one end of the ruler rod main body 1, a third section telescopic ruler 6 is movably inserted at one end of the second section telescopic ruler 5, a bar-shaped hole 7 is opened in the third section telescopic ruler 6, a locking ring 8 is movably arranged in the bar-shaped hole 7, an elliptic drawing rope 9 is connected in the locking ring 8, the elliptic drawing rope 9 is wound in an integral shaft 10, a chalk inserting hole 11 is opened at the middle position of the locking ring 8, threaded holes 12 are opened at both ends of the integral shaft 10, the rubber chalk sleeve is characterized in that a rubber chalk sleeve 13 and a sucker 14 are connected into threaded holes 12 at two ends of the integrated shaft 10 through bolts, a string containing ring groove 15 is formed in the integrated shaft 10, a built-in ball 16 is movably connected into the integrated shaft 10, a baffle 17 is additionally arranged at the rear side end of the ruler rod main body 1, and an insertion groove 18 is formed in the outer surface of the upper end of the ruler rod main body 1.

Further, a through hole is formed in the middle of the locking rotating shaft 2, and the inner diameter of the through hole is slightly larger than the outer diameter of the integrated shaft 10.

Further, the outer surfaces of the upper ends of the second section of the telescopic ruler 5 and the third section of the telescopic ruler 6 in the ruler rod main body 1 are flush, and the outer surface of the lower end is in a step shape.

Furthermore, one end of the third section of the telescopic ruler 6, which is far away from the second section of the telescopic ruler 5, is fixedly connected with a rubber angle sleeve, and the thickness of the whole rubber angle sleeve is the same as that of the ruler rod main body 1.

Further, the whole ruler rod main body 1 is made of an aluminum alloy material.

Furthermore, a position limiting strip is additionally arranged at the position of 180 degrees of the locking rotating shaft 2.

Further, the maximum stretching lengths of the second section of telescopic rule 5 and the third section of telescopic rule 6 are both 100 mm.

The working principle is as follows: the integral ruler rod main body 1 of the utility model is made of aluminum alloy material, and is more durable compared with the traditional plastic or wooden drawing tool, the ruler rod main body 1 is integrally formed by connecting four sections of rulers, wherein the two ends are movably connected through the locking rotating shaft 2, the adjustable angle between the two ends is 0-180, the outer edge of the locking rotating shaft 2 can conveniently adjust the angle between the two ends by additionally arranging the angle ruler 3, and can more conveniently draw a certain angle, the whole is shown in figure 1, wherein one end of the straight ruler carved with the 'one' is movably connected with a second section of telescopic ruler 5 through an inserting groove 18, one end of the second section of telescopic ruler 5 is connected with a third section of telescopic ruler 6 through the same inserting way, the ruler can be matched in a telescopic mode to draw a straight line in an actual use process by adopting three sections of inserting connection. When drawing ellipses, the drawing pen is sleeved in the rubber chalk sleeve 13 in the integral shaft 10 to draw ellipses by fixedly installing two sets of locking rings 8 in the strip-shaped hole 7 in the third-stage telescopic rule 6 and the strip-shaped hole 7 at the other end of the rule rod main body 1, then unfolding the elliptical drawing string 9 wound in the integral shaft 10, and fixedly locking the two sets of locking rings 8 at a designated scale position. When drawing a straight line of a certain length, the elliptical drawing string 9 is received in the string receiving ring groove 15 of the integrated shaft 10, and the integrated shaft 10 is integrally placed in the locking rotary shaft 2, and one end of the integrated shaft 10 is connected with the suction cup 14 with a bolt through the screw hole 12 so that the ruler rod main body 1 can be fixed at a point. The built-in balls 16 inside the monolithic shaft 10 act like balls inside a bearing. The whole multi-section ruler is adopted, the whole structure is more compact through stretching and folding storage, the whole appearance is smaller and more attractive, and the ruler is convenient to carry.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A higher mathematics plotter comprises a ruler rod main body (1), and is characterized in that a locking rotating shaft (2) is movably mounted at the middle position of the ruler rod main body (1), a protractor (3) is carved at the outer edge of the central point of the locking rotating shaft (2) in the ruler rod main body (1), a scale pointer (4) is carved at one end of the protractor (3), a second section of telescopic ruler (5) is movably inserted at one end of the ruler rod main body (1), a third section of telescopic ruler (6) is movably inserted at one end of the second section of telescopic ruler (5), a strip-shaped hole (7) is formed in the third section of telescopic ruler (6), a locking ring (8) is movably mounted in the strip-shaped hole (7), an elliptic drawing rope (9) is connected in the locking ring (8), and the elliptic drawing rope (9) is wound in an integral shaft (10), chalk spliced eye (11) have been seted up to the intermediate position department of locking ring (8), screw hole (12) have been seted up at the both ends of integrative axle (10), there are rubber chalk cover (13) and sucking disc (14) through bolted connection in screw hole (12) at integrative axle (10) both ends, it accomodates annular (15) to have seted up the cotton rope in integrative axle (10), swing joint has built-in ball (16) in integrative axle (10), the back side end of chi pole main part (1) adds and is equipped with shelves strip (17), inserting groove (18) have been seted up to the upper end surface of chi pole main part (1).

2. An advanced math mapper as recited in claim 1 wherein; a through hole is formed in the middle of the locking rotating shaft (2), and the inner diameter of the through hole is slightly larger than the outer diameter of the integrated shaft (10).

3. An advanced math mapper as recited in claim 1 wherein; the outer surfaces of the upper ends of the second section of telescopic ruler (5) and the third section of telescopic ruler (6) in the ruler rod main body (1) are flush, and the outer surface of the lower end is in a step shape.

4. An advanced math mapper as recited in claim 1 wherein; one end of the third section of the telescopic ruler (6) far away from the second section of the telescopic ruler (5) is fixedly connected with a rubber angle sleeve, and the thickness of the whole rubber angle sleeve is the same as that of the ruler rod main body (1).

5. An advanced math mapper as recited in claim 1 wherein; the ruler rod main body (1) is integrally made of aluminum alloy materials.

6. An advanced math mapper as recited in claim 1 wherein; and a limiting strip is additionally arranged at the position of 180 degrees of the locking rotating shaft (2).

7. An advanced math mapper as recited in claim 1 wherein; the maximum stretching lengths of the second section of telescopic ruler (5) and the third section of telescopic ruler (6) are both 100 mm.