CN210283721U

CN210283721U - Plotter for applied mathematics teaching

Info

Publication number: CN210283721U
Application number: CN201921019118.3U
Authority: CN
Inventors: 曲孝海
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-10
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses an use plotter for mathematical education, including installation axle, the one end of installation axle is connected with the ruler through the bearing, the fixed cover of outer wall of the installation axle other end is equipped with the sucking disc, and the fixed cover of outer wall of installation axle is equipped with the fixed plate that is located between contact pin and the ruler, be the fixed four first springs that are equipped with of annular between sucking disc and the fixed plate, the outer wall block of ruler one side is equipped with the U-shaped frame, and the positive fixed mounting of U-shaped frame has two mounting brackets, the fixed solid pole that is equipped with between two mounting brackets, and the solid pole outer wall rotates and is connected with the fly leaf, the bottom. This kind of use plotter for mathematical education makes the cooperation between solid post and the draw-in groove through the second spring, can change the position of U-shaped frame on the ruler and accomplish fixedly, adopts the mode that the ruler was drawn, solves the form that two original landing legs were drawn, can not take place not hard up the condition.

Description

Plotter for applied mathematics teaching

Technical Field

The utility model relates to a drawing compasses specifically is a plotter for applied mathematics teaching.

Background

Compasses are used for drawing circles or strings in mathematics and drawing, are commonly used for drawing by ruler and compasses for drawing circles in the teaching of mathematics.

At present, in the drawing process, a base point needs to be determined firstly, and then a sucker covers the base point. Therefore, we improve this and propose a plotter for applied mathematics teaching.

SUMMERY OF THE UTILITY MODEL

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

the utility model relates to a plotter for applied mathematics teaching, which comprises an installation shaft, wherein one end of the installation shaft is connected with a ruler through a bearing, the outer wall of the other end of the installation shaft is fixedly sleeved with a sucker, the outer wall of the installation shaft is fixedly sleeved with a fixed plate positioned at the back of the ruler, four first springs are fixedly arranged between the sucker and the fixed plate in an annular manner, the outer wall block at one side of the ruler is provided with a U-shaped frame, the front side of the U-shaped frame is fixedly provided with two installation frames, a solid bar is fixedly arranged between the two installation frames, the outer wall of the solid bar is rotatably connected with a movable plate, the bottom at the back of the movable plate is fixedly provided with a solid column, a second spring is arranged between the top at the back of the movable plate and the front side of the U-shaped frame, the, and telescopic outer wall threaded connection has the screw rod, the one end of screw rod is worn to the sleeve in and is rotated and be equipped with splint, a plurality of draw-in groove with solid post looks adaptation is seted up in the front of ruler.

As an optimized technical scheme of the utility model, the fixed rubber pad that is equipped with in front of square slab.

As an optimized technical scheme of the utility model, the junction between splint and the screw rod is equipped with the bearing.

As an optimized technical proposal of the utility model, the height of the clamping plate is more than the height of the sleeve.

As an optimal technical scheme of the utility model, a plurality of scale mark one-to-one setting on draw-in groove and the ruler.

As a preferred technical scheme of the utility model, the distance of sleeve centre of circle apart from installation axle center equals the distance of the middle part of fly leaf apart from installation axle center.

The utility model has the advantages that: this kind of use plotter for mathematical education makes the cooperation between solid post and the draw-in groove through the second spring, can change the position of U-shaped frame on the ruler and accomplish fixedly, adopts the mode that the ruler was drawn, solves the form that two original landing legs were drawn, can not take place not hard up the condition.

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 structural diagram of a plotter for applied mathematics teaching according to the present invention;

FIG. 2 is a top view of a suction cup of a plotter for teaching mathematics according to the present invention;

FIG. 3 is a right side view of the U-shaped frame of the drawing apparatus for mathematics teaching of the present invention;

fig. 4 is a right side view of the utility model of a plotter sleeve for applied mathematics teaching.

In the figure: 1. installing a shaft; 2. a straightedge; 3. a card slot; 4. a fixing plate; 5. a suction cup; 6. a first spring; 7. a U-shaped frame; 8. a mounting frame; 9. a movable plate; 10. a solid column; 11. a second spring; 12. a square plate; 13. a sleeve; 14. a screw; 15. and (4) clamping the plate.

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.

Example (b): as shown in fig. 1, 2, 3 and 4, the utility model relates to a plotter for applied mathematics teaching, which comprises an installation shaft 1, one end of the installation shaft 1 is connected with a ruler 2 through a bearing, the outer wall of the other end of the installation shaft 1 is fixedly sleeved with a sucker 5, the outer wall of the installation shaft 1 is fixedly sleeved with a fixed plate 4 positioned at the back of the ruler 2, four first springs 6 are fixedly arranged between the sucker 5 and the fixed plate 4 in an annular shape, the outer wall at one side of the ruler 2 is clamped with a U-shaped frame 7, two mounting frames 8 are fixedly arranged at the front of the U-shaped frame 7, a solid bar is fixedly arranged between the two mounting frames 8, the outer wall of the solid bar is rotatably connected with a movable plate 9, a solid column 10 is fixedly arranged at the bottom at the back of the movable plate 9, a second spring 11 is arranged between the top at the back of the movable plate, the fixed sleeve 13 that is equipped with in bottom that mounting bracket 8 one side was kept away from to U-shaped frame 7, and the outer wall threaded connection of sleeve 13 has a screw rod 14, and the one end of screw rod 14 is worn to sleeve 13 in and is rotated and be equipped with splint 15, a plurality of draw-in groove 3 with solid post 10 looks adaptation is seted up in the front of ruler 2.

Wherein, the fixed rubber pad that is equipped with in front of square plate 12, be equipped with the rubber pad and the rubber pad surface carries out anti-skidding processing, the condition of skidding takes place for the square plate 12 that prevents to press by hand.

Wherein, the junction between splint 15 and the screw rod 14 is equipped with the bearing for screw rod 14 can promote splint 15 motion when rotatory, carries out the centre gripping to the white board pen.

The height of the clamping plate 15 is larger than that of the sleeve 13, the height of the clamping plate 15 is limited, and the contact surface of the clamping plate 15 and the white board pen is increased.

Wherein, the scale mark one-to-one setting on a plurality of draw-in groove 3 and the ruler 2, the draw-in groove 3 that sets up the one-to-one can cooperate with solid post 10 for fix U-shaped frame 7.

Wherein, the distance between the center of the sleeve 13 and the axis of the mounting shaft 1 is equal to the distance between the middle part of the movable plate 9 and the axis of the mounting shaft 1, and the drawing precision can be improved within a certain range.

When the whiteboard marker fixing device works, firstly, a whiteboard marker is manually placed in the sleeve 13, the screw rod 14 is manually rotated by the other hand, the clamping plate 15 moves towards the whiteboard marker, the whiteboard marker is clamped and fixed, then the movable plate 9 moves towards the direction close to the U-shaped frame 7 by manually pressing the square plate 12, the second spring 11 is compressed, the solid column 10 moves towards the direction far away from the U-shaped frame 7, the U-shaped frame 7 slides on the ruler 2, when the ruler slides for a certain position, the hand is released, the solid column 10 is inserted into the clamping groove 3 under the action of the second spring 11, the effect of fixing the U-shaped frame 7 is realized, the problem that two supporting leg compasses are unstable is solved, then, one end of the mounting shaft 1 is manually pressed, the sucker 5 is arranged on the whiteboard, the sucker 5 is firmly sucked on the whiteboard through the four first springs 6, and finally, manually driving the ruler 2 to rotate and completing drawing.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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. The utility model provides an use plotter for mathematical education, includes installation axle (1), its characterized in that, the one end of installation axle (1) is connected with ruler (2) through the bearing, the fixed cover of outer wall of the installation axle (1) other end is equipped with sucking disc (5), and the fixed cover of outer wall of installation axle (1) is equipped with fixed plate (4) that are located the ruler (2) back, it is fixed and is equipped with four first spring (6) to be the annular between sucking disc (5) and fixed plate (4), the outer wall block of ruler (2) one side is equipped with U-shaped frame (7), and the front fixed mounting of U-shaped frame (7) has two mounting bracket (8), two the fixed solid pole that is equipped with between mounting bracket (8), and solid pole outer wall rotation is connected with fly leaf (9), the bottom fixed mounting at the fly leaf (9) back has solid post (10), and is equipped with second spring (11) between the front of the top at the fly leaf ( The utility model discloses a portable plate (9) is fixed to positive top and is equipped with square plate (12), the fixed sleeve (13) that is equipped with in bottom that mounting bracket (8) one side was kept away from in U-shaped frame (7), and the outer wall threaded connection of sleeve (13) has screw rod (14), the one end of screw rod (14) is worn and is equipped with splint (15) to sleeve (13) interior rotation, a plurality of draw-in groove (3) with solid post (10) looks adaptation are seted up in the front of ruler (2).

2. A plotter for applied mathematics teaching as claimed in claim 1, characterized in that the front face of said square plate (12) is fixed with rubber pads.

3. A plotter for applied mathematics teaching as claimed in claim 1, characterized in that the joint between the clamping plate (15) and the screw (14) is provided with a bearing.

4. A plotter for applied mathematics as claimed in claim 1, characterized in that the height of said clamping plate (15) is greater than the height of the sleeve (13).

5. A plotter for applied mathematics teaching as claimed in claim 1, characterized in that a number of said slots (3) are provided in one-to-one correspondence with the graduation marks on the straightedge (2).

6. A plotter for applied mathematics teaching according to claim 1, characterized in that the distance from the centre of the sleeve (13) to the axis of the mounting shaft (1) is equal to the distance from the centre of the movable plate (9) to the axis of the mounting shaft (1).