CN217197584U

CN217197584U - Drawing assistive device for mathematics specialty learning

Info

Publication number: CN217197584U
Application number: CN202123270711.5U
Authority: CN
Inventors: 贾洋; 刘井奎; 刘凤珠; 刘月茹; 赵婉婷; 赵宇; 李�根; 林如雪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-08-16
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a mathematics specialty study is with drawing assistive device, which comprises a disc, bevel protractor and triangular groove have been seted up to the upper surface of disc, and the upper portion central point of disc puts and is equipped with the drawing circle structure, the drawing circle structure is including ruler, pivot, logical groove, spout, slide, screw base, knob, through-hole and lug, the ruler rotates the upper portion central point of connection at the disc through the pivot and puts, logical groove sets up the upper surface at the ruler, the inner wall in logical groove is set up to the spout, slide sliding connection is in the inside that leads to the groove, the upper portion at the slide is installed to the screw base, knob threaded connection is on the upper portion of screw base, the upper surface central point at the slide is set up to the through-hole puts. A mathematics specialty study assists utensil with drawing, solved traditional drawing and assisted the utensil and can't draw the circular of different diameters, be convenient for draw the circular of different diameters, effectual improved the drawing and assisted the functional of utensil, the result of use is better.

Description

Drawing assistive device for mathematics major study

Technical Field

The utility model relates to a mathematics learning field, in particular to mathematics specialty is study and is assisted utensil with drawing.

Background

The drawing assistive device for the professional learning of mathematics is an assistive tool for drawing graphs in the professional learning process of mathematics, is mainly used for drawing straight lines, triangles and angle lines, and belongs to an assistive tool which is necessary to be used in the professional learning process of mathematics;

but the drawing assistive device for learning mathematics specialty has certain weak point when using and needs to be improved, and the drawing assistive device for learning mathematics specialty can't draw the circle of different diameters, and its circular size all fixes the setting through fixed circular slot size usually, can't draw the circle of demand diameter, and the functionality is poor.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a mathematics specialty is study and is assisted utensil with drawing, can effectively solve in the background art: present mathematics specialty study is with drawing assistive device can't draw the circular of different diameters, and its circular size all fixes the setting through fixed circular slot size usually, can't draw the circular of demand diameter, functional poor technical problem.

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

the utility model provides a mathematics specialty study is with drawing assistive device, includes the disc, bevel protractor and triangular groove have been seted up to the upper surface of disc, and the upper portion central point of disc puts and is equipped with the drawing circle structure.

As a further scheme of the utility model, draw the circle structure including ruler, pivot, logical groove, spout, slide, spiral shell seat, knob, through-hole and lug, the ruler rotates the upper portion central point of connection at the disc through the pivot and puts, lead to the upper surface of seting up at the ruler, the spout is seted up at the inner wall that leads to the groove, slide sliding connection is in the inside that leads to the groove, the upper portion at the slide is installed to the spiral shell seat, knob threaded connection is on the upper portion of spiral shell seat, the through-hole is seted up at the upper surface central point of slide and is put, one side at the slide is installed to the lug.

As a further aspect of the present invention, the slide is shaped like a Chinese character 'ao', and the edge of the ruler is provided with an inclined plane.

As a further aspect of the present invention, the knob penetrates through the screw seat and the slide is compressed on the upper portion of the ruler, and the bottom end of the knob is connected with the non-slip mat.

As a further proposal of the utility model, the ruler is L-shaped, and the ruler contacts with the outside of the disc to form an arc.

As a further proposal of the utility model, the edges of the disc, the angle ruler and the triangular groove are all provided with scale marks.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, through setting up the drawing circle structure, slide the slide in the inboard of logical groove, confirm circular radius through the scale mark of ruler, the knob rotates after confirming, the knob runs through the spiral shell seat through the screw thread effect between with the spiral shell seat and the slide compresses tightly outside the ruler, fix the position of slide, run through the through-hole with the pen after fixing, then rotate the ruler a week through the pivot, can draw circularly, solved the tradition drawing assistive device and can't draw the circular of different diameters, be convenient for draw the circular of different diameters, the effectual functionality that improves the drawing assistive device, the result of use is better;

and when the slide is not fixed in position, also can draw spiral lines for drawing the function of assisting the utensil is more powerful.

Drawings

FIG. 1 is a schematic view of the overall structure of a drawing aid for mathematics professional learning of the present invention;

FIG. 2 is a top view of the drawing aid for mathematics specialty study of the present invention;

fig. 3 is a cross-sectional view of the ruler of the drawing auxiliary tool for mathematics specialty learning of the present invention.

In the figure: 1. a disc; 2. an angle ruler; 3. a triangular groove; 4. drawing a circle structure; 5. a straightedge; 6. a rotating shaft; 7. a through groove; 8. a chute; 9. a slide base; 10. a screw seat; 11. a knob; 12. a through hole; 13. and (6) a bump.

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 drawing auxiliary tool for mathematics specialty study comprises a disc 1, wherein an angle ruler 2 and a triangular groove 3 are arranged on the upper surface of the disc 1, and a circle drawing structure 4 is arranged at the center of the upper part of the disc 1.

In this embodiment, assist the circular of utensil unable drawing different diameters in order to solve traditional drawing, circle structure 4 has been set up, circle structure 4 is drawn including ruler 5, pivot 6, lead to groove 7, spout 8, slide 9, screw seat 10, knob 11, through-hole 12 and lug 13, ruler 5 rotates through pivot 6 and connects the upper portion central point at disc 1 and put, lead to groove 7 and set up the upper surface at ruler 5, spout 8 sets up the inner wall at leading to groove 7, slide 9 sliding connection is in the inside that leads to groove 7, screw seat 10 is installed on the upper portion of slide 9, knob 11 threaded connection is on the upper portion of screw seat 10, through-hole 12 is set up the upper surface central point at slide 9 and is put, lug 13 is installed in one side of slide 9, be convenient for draw the circular of different diameters, the effectual functionality that has improved the assistive utensil, the result of use is better.

In addition, the slide 9 is in a concave shape, and an inclined surface is arranged at the edge of the straight ruler 5.

In this embodiment, the knob 11 penetrates through the screw seat 10 and the sliding seat 9 and is pressed on the upper portion of the ruler 5, the bottom end of the knob 11 is connected with the non-slip mat, and the non-slip mat can play a role in increasing the non-slip performance.

In addition, the straight ruler 5 is L-shaped, and the contact surface of the straight ruler 5 and the outer side of the disc 1 is arc-shaped.

In this embodiment, the edge of disc 1, bevel protractor 2 and triangular groove 3 all is equipped with the scale mark, and the scale mark can play measuring effect.

It should be noted that, the utility model relates to a mathematics specialty is study with drawing assistive device, when using, through disc 1, angle square 2, arc, the angle line is drawn respectively to triangular groove 3 and ruler 5, triangle-shaped and straight line, simultaneously also can be used to measure, when needs are drawn circularly, slide 9 slides in the inboard that leads to groove 7, confirm the circular shape radius through ruler 5's scale mark, it rotates knob 11 to confirm well back, knob 11 runs through swivel nut 10 through and slide 9 compresses tightly in ruler 5's outside through the screw thread effect between 10, with the rigidity of slide 9, run through-hole 12 with the pen after fixing, then pass through 6 rotatory a week of pivot with ruler 5, can draw circularly.

The utility model discloses a set up drawing circle structure 4, slide 9 slides in the inboard that leads to groove 7, confirm circular radius through the scale mark of ruler 5, rotate knob 11 after confirming, knob 11 runs through spiral shell seat 10 and slide 9 compresses tightly outside ruler 5 through the screw thread effect between with spiral shell seat 10, fix the position of slide 9, run through-hole 12 with the pen after fixed, then rotate ruler 5 a week through pivot 6, can draw circularly, solve traditional drawing assistive device can't draw the circular of different diameters, be convenient for draw the circular of different diameters, the effectual functionality that improves drawing assistive device, the result of use is better; and when the slide 9 is not fixed in position, also can draw the spiral line for drawing the function of assisting the utensil is more powerful.

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

Claims

1. A drawing assistive device for mathematics professional learning is characterized in that: the disc-shaped ruler comprises a disc (1), wherein a bevel protractor (2) and a triangular groove (3) are arranged on the upper surface of the disc (1), and a circle drawing structure (4) is arranged at the center of the upper portion of the disc (1).

2. The drawing aid for mathematics professional learning according to claim 1, wherein: circle drawing structure (4) including ruler (5), pivot (6), lead to groove (7), spout (8), slide (9), spiral shell seat (10), knob (11), through-hole (12) and lug (13), ruler (5) rotate through pivot (6) and connect the upper portion central point in disc (1) and put, lead to groove (7) and set up the upper surface at ruler (5), the inner wall at leading to groove (7) is set up in spout (8), slide (9) sliding connection is in the inside that leads to groove (7), install the upper portion at slide (9) spiral shell seat (10), knob (11) threaded connection is on the upper portion of spiral shell seat (10), the upper surface central point that sets up at slide (9) through-hole (12) puts, one side at slide (9) is installed to lug (13).

3. The drawing aid for mathematics professional learning according to claim 2, wherein: the slide seat (9) is concave, and an inclined plane is arranged at the edge of the ruler (5).

4. The drawing aid for mathematics professional learning according to claim 2, wherein: the rotary knob (11) penetrates through the screw seat (10) and the sliding seat (9) and is pressed on the upper portion of the ruler (5), and the bottom end of the rotary knob (11) is connected with an anti-slip pad.

5. The mathematics expertise learning drawing assistive device of claim 2, characterized in that: the ruler (5) is L-shaped, and the contact surface between the ruler (5) and the outer side of the disc (1) is arc-shaped.

6. The drawing aid for mathematics professional learning according to claim 1, wherein: the edges of the disc (1), the angle ruler (2) and the triangular groove (3) are all provided with scale marks.