CN210706650U

CN210706650U - Mathematics drawing device

Info

Publication number: CN210706650U
Application number: CN201921665804.8U
Authority: CN
Inventors: 蒋元宵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-09
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a mathematics drawing device. The multifunctional ruler comprises a plate ruler, wherein a special-shaped ruler is arranged in the middle of the plate ruler, and a sucker is arranged at one end of the inner side of the plate ruler. The utility model discloses a device can satisfy the drawing of unconventional figure once through setting up the built-in special-shaped chi of chi cooperation, the sucking disc of both sides can play fine fixed action simultaneously, can accomplish sharp drawing through setting up ruler and side chi mutually supporting, and slash drawing etc., and the middle part is provided with and indicates the tip hole to be convenient for grip fixed, the inboard sets up the drawing that iron plate can adsorb the combination each other and accomplish complicated figure, through setting up the ruler, the protractor, the pivot, the extension rod, outer ruler and chalk cover form compasses measurement angle combination, the angle is got to the while carrying out the circle of drawing, improve the drawing precision, the utility model discloses a device improves the convenience that the user carried through multiple combination, the drawing of complicated figure can be accomplished in mutual fixed cooperation simultaneously, and the chi adopts stainless steel to improve its durable degree.

Description

Mathematics drawing device

Technical Field

The utility model relates to a technical field of mathematical education apparatus, in particular to mathematics drawing device.

Background

The teaching aid is as follows: the students can intuitively and vividly understand various appliances used by the teaching contents and the general names of the appliances used by the teachers during teaching, and the teaching aid is called as a short teaching aid; the teaching aid can improve the learning interest of students, enrich the perceptual knowledge, help to form clear concepts and develop the observation ability and thinking ability of students; the teaching aid is generally divided into a common teaching aid, a special teaching aid and a child teaching aid;

in the mathematical process, complex teaching icons, images, geometric figures and the like are often required to be equipped with a plurality of sets of rulers by teachers, such as rulers, set squares and the like, and meanwhile, tools such as compasses, protractors and the like are required to be carried, so that the teaching ruler is inconvenient to carry, easy to lose and easy to damage.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a mathematical drawing apparatus, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mathematics drawing device comprises a board ruler, wherein a special-shaped ruler is arranged in the middle of the board ruler, a sucker is arranged at one end of the inner side of the board ruler, an X-shaped frame is fixedly adsorbed on one side of the board ruler through a small magnetic block, a large magnetic block is fixedly adsorbed on the other side of the board ruler, a first rivet is rotatably connected to the middle of the X-shaped frame, an iron plate is fixedly adsorbed on the other end of the X-shaped frame through the small magnetic block, a ruler is fixedly connected to one end of the iron plate, a finger tip hole is formed in the middle of the ruler, scales are arranged on one side of the ruler, a side ruler is rotatably connected to one end of the ruler through a second rivet, a telescopic ruler and a gauge ruler are rotatably connected to one end of the large magnetic block through a rotating shaft, a protractor is fixedly connected to one end of the gauge ruler, an inner arc rail is slidably connected to one end of, one end of the outer ruler is provided with a chalk sleeve, and the inner side of the protractor is provided with inner scales.

Further, the plate ruler is made of stainless steel, the middle of the plate ruler is provided with a plurality of irregular-shaped rulers with irregular patterns, and two ends of the inner side of the plate ruler are provided with suckers.

Further, ruler and side chi are integrated configuration, and its biggest bending angle is 90 to 180 degrees, ruler and side chi middle part equal array distribution a plurality of points hole to all be provided with the scale, its scale precision is 1 millimeter.

Further, the telescopic ruler and the outer ruler form a compasses pen with adjustable length, the telescopic ruler can rotate on the inner arc rail through the sliding block, and changes of the inner scales are observed.

Further, the ruler is fixedly connected with the protractor through a rivet, and an included angle of 180 degrees is formed between the ruler and the protractor.

Further, an inner arc rail and an inner scale are arranged on the inner side of the protractor, and the precision of the inner scale of the protractor is 1 millimeter.

Furthermore, the inner side of the chalk sleeve is provided with hard padding hair for fixing the chalk, and the chalk sleeve is a slidable detachable component and avoids blockage caused by chalk breakage.

Furthermore, the X-shaped frame is riveted in a staggered mode through the first rivets, and each side of the X-shaped frame is provided with the small magnetic blocks.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model can satisfy the drawing of unconventional figures by arranging the plate ruler to match with the built-in special-shaped ruler, can improve the teaching interest, and simultaneously the suckers on the two sides can play a good role in fixing;

2. the utility model can finish straight line drawing, oblique line drawing and the like by arranging the straight ruler and the side ruler to be matched with each other, and the middle part is provided with the fingertip hole which is convenient to grip and fix and is not easy to slide, and the iron plates arranged at the inner side can be mutually adsorbed and combined to finish the drawing of complex figures;

3. the utility model forms a compasses angle-measuring combination by arranging the gauge ruler, the protractor, the rotating shaft, the telescopic ruler, the outer gauge ruler and the chalk sleeve, measures the angle while drawing a circle, improves the circle drawing precision, and can also independently use the angle;

4. the utility model discloses a device improves the convenience that the user carried through multiple combination, can the drawing of reciprocal anchorage cooperation completion complex figure simultaneously to the board chi adopts stainless steel material to improve its durable degree.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the ruler of the present invention.

Fig. 3 is a schematic view of the gauge of the present invention.

In the figure: 1. a board ruler; 2. a suction cup; 3. an X-shaped frame; 4. a first rivet; 5. a small magnetic block; 6. an iron plate; 7. a straightedge; 8. a second rivet; 9. a lateral ruler; 10. a special-shaped ruler; 11. A large magnetic block; 12. a gauge; 13. a protractor; 14. a rotating shaft; 15. a telescopic ruler; 16. An outer gauge; 17. a chalk sleeve; 18. calibration; 19. a finger tip hole; 20. an inner arc rail; 21. Inner scales; 22. a slider;

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a mathematical drawing device comprises a board ruler 1, wherein a special-shaped ruler 10 is arranged in the middle of the board ruler 1, a sucker 2 is arranged at one end of the inner side of the board ruler 1, an X-shaped frame 3 is fixedly adsorbed on one side of the board ruler 1 through a small magnetic block 5, a large magnetic block 11 is fixedly adsorbed on the other side of the board ruler 1, a first rivet 4 is rotatably connected to the middle of the X-shaped frame 3, an iron plate 6 is fixedly adsorbed on the other end of the X-shaped frame 3 through the small magnetic block 5, a ruler 7 is fixedly connected to one end of the iron plate 6, a fingertip hole 19 is arranged in the middle of the ruler 7, scales 18 are arranged on one side of the ruler 7, one end of the ruler 7 is rotatably connected to a side ruler 9 through a second rivet 8, a telescopic ruler 15 and a ruler 12 are rotatably connected to one end of the large magnetic block 11 through a rotating shaft 14, a protract, one end of the telescopic ruler 15 is connected with an inner arc rail 20 through a sliding block 22 in a sliding mode, one end of the telescopic ruler 15 is connected with an outer ruler 16 in a sliding mode, one end of the outer ruler 16 is provided with a chalk sleeve 17, and the inner side of the protractor 13 is provided with inner scales 21.

Wherein, the board chi 1 adopts the stainless steel preparation, the middle part of board chi 1 sets up the special-shaped chi 10 of a plurality of irregular figure, the inboard both ends of board chi 1 all are provided with sucking disc 2, can satisfy the drawing of some irregular figure of teaching in-process through setting up board chi 1 to the sucking disc 2 of both sides can be fine carry out simple fixed with the blackboard.

Wherein, ruler 7 and side chi 9 are integrated configuration, and its biggest angle of buckling is 90 to 180 degrees, ruler 7 and side chi 9 middle part equal array distribution a plurality of finger tip holes 19 to all be provided with scale 18, its scale precision is 1 millimeter, can accomplish the oblique line drawing of conventional straight line, and the distance of drawing can be carried out to cooperation X shape frame 3 simultaneously and is adjusted.

Wherein, telescopic ruler 15 and outer ruler 16 form the compasses pen of adjustable length, telescopic ruler 15 can rotate on inner arc rail 20 through slider 22 to survey the change of interior scale 21, can carry out length adjustment through setting up telescopic ruler 15 and outer ruler 16, draw the semicircle of different radius demands and overturn and accomplish the drawing of circle.

The ruler 12 is fixedly connected with the protractor 13 through rivets, an included angle of 180 degrees is formed between the ruler 12 and the protractor 13, and fixation can be achieved through the arrangement of the ruler 12, so that circular arcs can be drawn conveniently.

The inner side of the protractor 13 is provided with an inner arc rail 20 and an inner scale 21, the precision of the inner scale 21 of the protractor 13 is 1 mm, and angle reference and angle measurement during circle drawing are facilitated by the arrangement of the protractor 13.

The inner side of the chalk sleeve 17 is provided with hard padding for fixing chalk, the chalk sleeve 17 is a slidable dismounting assembly, the blockage caused by chalk breakage is avoided, and the situation that the whole device is scrapped due to the fact that the chalk is blocked and broken in the chalk sleeve 17 is avoided by arranging the replaceable chalk sleeve 17.

The X-shaped frame 3 is riveted in a staggered mode through the first rivets 4, each side of the X-shaped frame 3 is provided with the small magnetic blocks 5, the translation step in the process of drawing a straight line can be achieved, and the effect of drawing parallel lines is met.

It should be noted that the utility model relates to a mathematical drawing device,

the method comprises the following steps: the teacher takes out the device, fixes the board ruler 1 on the blackboard through the sucking disc 2, adjusts the X-shaped frame 3 to make the ruler 7 adjust to a certain degree, presses the finger tip hole 19 to draw straight line along the ruler 7, when needing to draw oblique line, rotates the side ruler 9 and presses the finger tip hole 19 to draw oblique line, the middle part of the board ruler 1 also provides a plurality of irregular special-shaped rulers 10 to facilitate drawing unconventional figures, when drawing circular ring, the adjusting board ruler 1 is fixed to proper joint position, pulls out the outer ruler 16, inserts chalk in the chalk sleeve 17, drags the telescopic ruler 15 to slide on the inner arc rail 20 through the slide block 22, finishes drawing circular arc, can draw whole circle by turning along the rotating shaft 14, and can measure triangle angle according to the inner scale 21 in the protractor 13, draws circular arc angle, the utility model can satisfy drawing of a large amount of figures in the mathematical education process, the drawing of complex figures can be met, the drawing tool has multiple purposes, the trouble of carrying a plurality of teaching tools in the teaching process is avoided, the portability is improved, the drawing tool can be independently detached and used, and the use of other parts is not influenced when parts are damaged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A mathematical drawing apparatus comprising a board ruler (1), characterized in that: the special-shaped ruler is arranged in the middle of the board ruler (1), a sucker (2) is arranged at one end of the inner side of the board ruler (1), an X-shaped frame (3) is fixedly adsorbed on one side of the board ruler (1) through a small magnetic block (5), a large magnetic block (11) is fixedly adsorbed on the other side of the board ruler (1), a first rivet (4) is rotatably connected to the middle of the X-shaped frame (3), an iron plate (6) is fixedly adsorbed on the other end of the X-shaped frame (3) through the small magnetic block (5), a ruler (7) is fixedly connected to one end of the iron plate (6), a finger tip hole (19) is formed in the middle of the ruler (7), scales (18) are arranged on one side of the ruler (7), a side ruler (9) is rotatably connected to one end of the ruler (7) through a second rivet (8), a telescopic ruler (15) and a ruler (12) are rotatably connected to one end of the large magnetic block (11) through, the one end fixedly connected with protractor (13) of chi (12), the one end of telescopic ruler (15) has interior arc rail (20) through slider (22) sliding connection, the one end sliding connection of telescopic ruler (15) has outer chi (16), the one end of outer chi (16) is provided with chalk cover (17), the inboard of protractor (13) is provided with interior scale (21).

2. A mathematical drawing apparatus as claimed in claim 1, wherein: the plate ruler is characterized in that the plate ruler (1) is made of stainless steel, a plurality of irregular-shaped rulers (10) with irregular patterns are arranged in the middle of the plate ruler (1), and suckers (2) are arranged at two ends of the inner side of the plate ruler (1).

3. A mathematical drawing apparatus as claimed in claim 1, wherein: ruler (7) and side chi (9) are integrated configuration, and its biggest bending angle is 90 to 180 degrees, ruler (7) and side chi (9) middle part equal array distribution a plurality of finger tip holes (19) to all be provided with scale (18), its scale precision is 1 millimeter.

4. A mathematical drawing apparatus as claimed in claim 1, wherein: the telescopic ruler (15) and the outer ruler (16) form a compasses pen with adjustable length, the telescopic ruler (15) can rotate on the inner arc rail (20) through the sliding block (22), and changes of the inner scale (21) can be observed.

5. A mathematical drawing apparatus as claimed in claim 1, wherein: the gauge ruler (12) is fixedly connected with the protractor (13) through rivets, and an included angle of 180 degrees is formed between the gauge ruler (12) and the protractor (13).

6. A mathematical drawing apparatus as claimed in claim 1, wherein: the inner side of the protractor (13) is provided with an inner arc rail (20) and an inner scale (21), and the precision of the inner scale (21) of the protractor (13) is 1 mm.

7. A mathematical drawing apparatus as claimed in claim 1, wherein: the inner side of the chalk sleeve (17) is provided with hard padding hair for fixing chalk, and the chalk sleeve (17) is a slidable dismounting assembly and avoids blockage caused by chalk breakage.

8. A mathematical drawing apparatus as claimed in claim 1, wherein: the X-shaped frame (3) is riveted in a staggered mode through first rivets (4), and each side of the X-shaped frame (3) is provided with a small magnetic block (5).