CN211764553U

CN211764553U - Higher mathematics teaching is with curve drawing device

Info

Publication number: CN211764553U
Application number: CN202020398409.4U
Authority: CN
Inventors: 李海霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-10-27
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a device is drawn with curve to advanced math teaching, including the base, threaded hole is seted up at the center of base upper surface, and the inside wall threaded connection of screw hole has the screw thread post, and the surperficial threaded connection of screw thread post has the fixed column, and the fixed surface of fixed column is connected with the rotary disk, and the fixed surface of rotary disk is connected with the fixing base, and the fixing base is through pivot fixedly connected with drawing rule, and the surface swing joint of drawing rule has drawing device, the one end fixedly connected with support column of drawing rule lower surface, the lower fixed surface of support column is. Through the setting of base, screw thread post and pilot pin, be convenient for fix the device and carry out curve drawing on the clipboard, through the setting of second fastening bolt and drawing device, through second fastening bolt adjustment drawing device, draw different curves, through the setting of spring for the drawing pen can stretch out and draw back, makes the drawing pen contact with the teaching board all the time, avoids drawing imperfectly.

Description

Higher mathematics teaching is with curve drawing device

Technical Field

The utility model relates to a teaching equipment technical field specifically is a device is drawn with curve to advanced math teaching.

Background

Mathematics, a subject of studying concepts such as quantity, structure, variation, space and information, belongs to one of formal sciences from a certain point of view, and in the field of mathematics, a function is a relation that makes each element in one set correspond to a unique element in another (possibly same) set, and geometric figures are divided into surfaces and curved surfaces, and points, lines, surfaces and bodies are understood from the viewpoint of motion. The geometric figures are generally divided into solid geometric figures and plane geometric figures, and in the mathematical teaching process, teachers often need to draw various curves on a blackboard, so that students can obtain visual impact, the memory of the students is deepened, and the teaching effect is improved. Some teachers draw the curve chart on the drawing in advance, paste on the blackboard when going to class, however, this kind of curve chart is not on-the-spot drawing, can not be vivid demonstration curve's drawing process, influence the effect of teaching, some present drawing devices, when drawing, need the manual work to fix, and can shelter from the coordinate system, thereby lead to the deviation to appear in curved drawing position, draw the non-standard, and most for teaching curve drawing device mostly inconvenient regulation, use unusual inconvenience, influence the teaching effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a device is drawn with curve to advanced mathematics teaching has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a device is drawn with curve to advanced mathematics teaching, includes the base, the central screw hole of seting up of base upper surface, the inside wall threaded connection of screw hole has the screw thread post, the surperficial threaded connection of screw thread post has the fixed column, the fixed surface of fixed column is connected with the rotary disk, the fixed surface of rotary disk is connected with the fixing base, the fixing base is through pivot fixedly connected with drawing rule, the surperficial swing joint of drawing rule has drawing device, the one end fixedly connected with support column of drawing rule lower surface, the lower fixed surface of support column is connected with the pulley.

Optionally, the pitch of base screw hole is 2mm, the material of base is magnet, magnet can adsorb with the teaching blackboard.

Optionally, the surface of the threaded column is provided with a thread matched with the base, and the lower surface of the threaded column is fixedly connected with a positioning pin.

Optionally, the drawing device includes the movable block, the middle part of movable block lower surface is seted up flutedly, the inner wall fixedly connected with spring of recess, the one end fixedly connected with push pedal of spring, the lower fixed surface of push pedal is connected with the pen socket, the surface threaded connection of pen socket has first fastening bolt.

Optionally, a threaded hole is formed in the middle of the upper surface of the movable block, and a second fastening bolt is connected to the inner wall of the threaded hole in a threaded manner.

Optionally, one side of the drawing rule is provided with scale marks, and the drawing rule is fixedly connected with the drawing device through a second fastening bolt.

(III) advantageous effects

The utility model provides a device is drawn with curve to advanced math teaching possesses following beneficial effect:

1. this device is drawn with curve to advanced mathematics teaching, through the setting of base and screw post, be convenient for adsorb the device on the teaching board, carry out the curve through drawing rule and drawing device and draw, can fix the device through screw post and pilot pin and carry out the curve drawing on the clipboard when magnet is inconvenient to use, through the setting of fixed column and screw post, can adjust the height of drawing rule along the rotatory fixed column of screw, through the setting of rotary disk for the drawing rule rotates around the center of fixed column and draws.

2. This device is drawn with curve to advanced mathematics teaching, through the drawing rule, the scale mark, the setting of second fastening bolt and drawing device, adjust suitable scale through second fastening bolt with the drawing device and fix, draw different curves, through the setting of pen socket and first fastening bolt, fix the drawing pen through first fastening bolt in inserting the pen socket with the drawing pen, through the setting of spring, make the drawing pen can stretch out and draw back, make the drawing pen contact with the teaching board all the time, avoid the drawing incomplete.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a threaded post; 3. fixing a column; 4. rotating the disc; 5. a fixed seat; 6. a drawing rule; 7. a drawing device; 701. a movable block; 702. a spring; 703. pushing the plate; 704. a pen cap; 705. a first fastening bolt; 8. a support pillar; 9. a pulley; 10. a positioning pin; 11. a second fastening bolt; 12. scale lines are marked.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a curve drawing device for advanced mathematics teaching comprises a base 1, a threaded hole is formed in the center of the upper surface of the base 1, the thread pitch of the threaded hole of the base 1 is 2mm, the base 1 is made of a magnet, the magnet can be adsorbed to a teaching blackboard, a threaded column 2 is connected to the inner side wall of the threaded hole in a threaded mode, threads matched with the base 1 are formed in the surface of the threaded column 2, a positioning needle 10 is fixedly connected to the lower surface of the threaded column 2, the device can be conveniently adsorbed to a teaching board through the base 1 and the threaded column 2, curve drawing is conducted through a drawing ruler 6 and a drawing device 7, the device can be fixed to the writing board through the threaded column 2 and the positioning needle 10 to conduct curve drawing when the base 1 is not convenient to use, a fixed column 3 is connected to the surface of the threaded column 2 in a threaded mode, a rotary disk 4 is fixedly connected to, so that the drawing rule 6 performs rotary drawing around the center of the fixed column 3, the surface of the rotary disk 4 is fixedly connected with a fixed seat 5, the fixed seat 5 is fixedly connected with the drawing rule 6 through a rotary shaft, the surface of the drawing rule 6 is movably connected with a drawing device 7, the drawing device 7 comprises a movable block 701, a threaded hole is formed in the middle of the upper surface of the movable block 701, the inner wall of the threaded hole is in threaded connection with a second fastening bolt 11, one side of the drawing rule 6 is provided with a scale mark 12, the drawing rule 6 is fixedly connected with the drawing device 7 through the second fastening bolt, the drawing device 7 is adjusted to a proper scale through the second fastening bolt 11 for fixing, different curves are convenient to draw, the middle of the lower surface of the movable block 701 is provided with a groove, the inner wall of the groove is fixedly connected with a spring 702, one end of, the surface threaded connection of pen socket 704 has first fastening bolt 705, through the setting of pen socket 704 and first fastening bolt 705, insert the drawing pen and fix the drawing pen through first fastening bolt 705 in the pen socket 704, through the setting of spring 702, make the drawing pen can stretch out and draw back, make the drawing pen contact with the teaching board all the time, avoid drawing incomplete, the one end fixedly connected with support column 8 of drawing rule 6 lower surface, the lower fixed surface of support column 8 is connected with pulley 9.

In conclusion, the curve drawing device for advanced mathematics teaching is convenient to adsorb the device on a teaching board through the arrangement of the base 1 and the threaded column 2 when in use, draws curves through the drawing rule 6 and the drawing device 7, can fix the device on a writing board through the threaded column 2 and the positioning pin 10 when the base 1 is not convenient to use, can adjust the height of the drawing rule 6 through the fixed column 3 and the threaded column 2 by rotating the fixed column 3 along with threads, enables the drawing rule 6 to draw curves around the center of the fixed column 3 through the arrangement of the rotating disk 4, adjusts the drawing device 7 to proper scales through the arrangement of the drawing rule 6, the scale lines 12, the second fastening bolt 11 and the drawing device 7, draws different curves through the arrangement of the pen cap and the first fastening bolt 705, fix the drawing pen through first fastening bolt 705 in inserting the pen socket 704 with the drawing pen, through the setting of spring 702 for the drawing pen can stretch out and draw back, makes the drawing pen contact with teaching board all the time, avoids drawing incompletely.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a device is drawn with curve to advanced mathematics teaching, includes base (1), its characterized in that: the center of base (1) upper surface sets up threaded hole, the inside wall threaded connection of screw hole has screw thread post (2), the surperficial threaded connection of screw thread post (2) has fixed column (3), the fixed surface of fixed column (3) is connected with rotary disk (4), the fixed surface of rotary disk (4) is connected with fixing base (5), fixing base (5) are through pivot fixedly connected with drawing rule (6), the surface swing joint of drawing rule (6) has drawing device (7), the one end fixedly connected with support column (8) of drawing rule (6) lower surface, the lower fixed surface of support column (8) is connected with pulley (9).

2. The curve-drawing device for advanced math teaching according to claim 1, wherein: the screw pitch of base (1) screw hole is 2mm, the material of base (1) is magnet, magnet can adsorb with the teaching blackboard.

3. The curve-drawing device for advanced math teaching according to claim 1, wherein: the surface of the threaded column (2) is provided with threads matched with the base (1), and the lower surface of the threaded column (2) is fixedly connected with a positioning needle (10).

4. The curve-drawing device for advanced math teaching according to claim 1, wherein: the drawing device (7) comprises a movable block (701), a groove is formed in the middle of the lower surface of the movable block (701), a spring (702) is fixedly connected to the inner wall of the groove, a push plate (703) is fixedly connected to one end of the spring (702), a pen cap (704) is fixedly connected to the lower surface of the push plate (703), and a first fastening bolt (705) is connected to the surface of the pen cap (704) in a threaded mode.

5. The curve-drawing device for advanced math teaching according to claim 4, wherein: the middle part of the upper surface of the movable block (701) is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with a second fastening bolt (11).

6. The curve-drawing device for advanced math teaching according to claim 1, wherein: one side of drawing rule (6) is provided with scale mark (12), drawing rule (6) pass through second fastening bolt and drawing device (7) fixed connection.