CN112109477A

CN112109477A - Mathematics teaching auxiliary device

Info

Publication number: CN112109477A
Application number: CN202011005251.0A
Authority: CN
Inventors: 周素静; 李海燕; 余敏
Original assignee: Zhengzhou Railway Vocational and Technical College
Current assignee: Zhengzhou Railway Vocational and Technical College
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2020-12-22

Abstract

The invention discloses a mathematic teaching auxiliary device which comprises a fixed rod, a fixed supporting leg and a drawing supporting leg, wherein one end of the fixed supporting leg is fixedly connected with the outer wall of the fixed rod, the outer wall of the fixed rod is rotatably connected with a circular ring, one end of the drawing supporting leg is fixedly connected with the outer wall of the circular ring, the other end of the fixed supporting leg is provided with a supporting mechanism, the other end of the drawing supporting leg is provided with a drawing mechanism, the outer wall of one side of the fixed supporting leg is provided with an arc-shaped plate, the outer wall of the arc-shaped plate is provided with a sliding groove, the outer wall of the drawing supporting leg is fixedly connected with a limiting rod, and the. The invention ensures that the sucker can be firmly adsorbed on the blackboard, effectively ensures the stability of the device during drawing, and can directly take out a part of the rubber plug from the vent when the sucker needs to be taken down, so that the air pressure of the inner wall and the outer wall of the sucker is balanced, the sucker can be easily taken down, and the use is very convenient.

Description

Mathematics teaching auxiliary device

Technical Field

The invention relates to the technical field of mathematical teaching, in particular to a mathematical teaching auxiliary device.

Background

Mathematics comes from greek, is a subject for researching concepts such as quantity, structure, change, space, information and the like, belongs to one of formal science from a certain point of view, and mathematics and philosophers have a series of opinions on the exact range and definition of mathematics, but in human historical development and social life, the mathematics also plays an irreplaceable role and is an essential basic tool for learning and researching modern scientific technology.

At present, auxiliary devices such as compasses are needed to be used in the process of mathematical education to help teachers draw on a blackboard, but the existing compasses for drawing on the blackboard still have certain disadvantages, and in the use process, fixed support legs are quite unstable and can easily slide in the drawing process, so that the drawing is quite unattractive, and therefore a mathematical education auxiliary device needs to be designed to solve the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a mathematical education auxiliary device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a mathematics teaching auxiliary device, includes dead lever, fixed stabilizer blade and drawing stabilizer blade, the one end of fixed stabilizer blade and the outer wall fixed connection of dead lever, the outer wall of dead lever rotates and is connected with the ring, and the outer wall fixed connection of the one end of drawing stabilizer blade and ring, the other end of fixed stabilizer blade is provided with supporting mechanism, the other end of drawing stabilizer blade is provided with drawing mechanism.

As a still further scheme of the invention: one side outer wall of fixed stabilizer blade is provided with the arc, and the outer wall of arc opens there is the spout, the outer wall fixedly connected with gag lever post of drawing stabilizer blade, and the outer wall of gag lever post and the inner wall sliding connection of spout, the outer wall threaded connection of gag lever post has the nut.

As a still further scheme of the invention: the supporting mechanism comprises a universal seat, a universal ball and a sucker, the universal ball is fixedly arranged at the bottom end of the fixed supporting leg through a connecting rod, the universal seat is rotatably arranged at the outer side of the universal ball, and the sucker is fixedly arranged on the outer wall of the bottom of the universal seat.

As a still further scheme of the invention: the bottom outer wall of universal seat is opened there is the fixed slot, and one side inner wall of fixed slot opens there is the blow vent, the inner wall of blow vent is provided with the spring, and the aperture of blow vent increases gradually from inside to outside, the inside of blow vent is provided with the rubber buffer, and the outer wall fixed connection of the one end of spring and rubber buffer.

As a still further scheme of the invention: the drawing mechanism comprises a sleeve, a supporting rod and a supporting plate, a limiting groove is formed in the bottom end of the drawing supporting foot, the sleeve is rotatably arranged in the limiting groove, a movable plate is arranged inside the limiting groove, the supporting rod is fixedly arranged on the outer wall of the movable plate, the supporting plate is fixedly arranged at one end of the supporting rod, and the supporting plate is arranged in the sleeve.

As a still further scheme of the invention: the inner wall of the sleeve is provided with a rubber ring.

As a still further scheme of the invention: the outer wall of the top of the fixed rod is fixedly connected with a hook.

The invention has the beneficial effects that:

1. through the arranged universal ball, the universal seat, the sucking disc, the fixed groove, the vent, the spring and the rubber plug, the universal ball connected through the connecting rod on the fixed supporting leg can rotate in the universal seat, drawing is more convenient, meanwhile, the sucking disc positioned at the bottom of the universal seat can be adsorbed on a blackboard, in the process of pressing the sucking disc, the generated air pressure can drive the rubber plug to move in the vent and stretch the spring, gas is discharged through a gap between the rubber plug and the vent, the sucking disc can be firmly adsorbed on the blackboard, the stability of the device during drawing is effectively ensured, and when the sucking disc needs to be taken down, the rubber plug can be directly taken out of one part of the vent, so that the air pressure of the inner wall and the outer wall of the sucking disc is balanced, the sucking disc can;

2. through the arc-shaped plate, the sliding groove, the limiting rod and the nut, when the fixing support leg and the drawing support leg are opened, the limiting rod on the drawing support leg can slide in the sliding groove on the arc-shaped plate, and after the angle is adjusted properly, the nut on the limiting rod can be rotated to enable the nut to abut against the outer wall of the arc-shaped plate, so that the angle can be fixed, the angle is effectively prevented from being deviated in the drawing process, and the using effect is better;

3. through the spacing groove that sets up, the sleeve, the fly leaf, support the pole, support board and rubber circle, a chalk for drawing can be placed in the sleeve, the rubber circle that is arranged in the sleeve can increase and the chalk between frictional force, make it be difficult for dropping, the sleeve can rotate and set up in the spacing groove in the drawing stabilizer blade, when the chalk exposes telescopic part and exhausts, can rotate the sleeve, make the sleeve remove to the spacing inslot wall, in the removal, support the board through supporting the pole connection on the fly leaf and can support the chalk partly from the sleeve, high convenience is very used.

Drawings

Fig. 1 is a schematic sectional view showing a mathematical education support apparatus according to embodiment 1;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view showing the structure of a suction cup and a gimbal table of the auxiliary device for mathematics teaching in accordance with embodiment 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

fig. 5 is a schematic view of the overall structure of a mathematical education support apparatus according to embodiment 2.

In the figure: the device comprises a fixing rod 1, a fixing supporting leg 2, an arc-shaped plate 3, a painting supporting leg 4, a limiting rod 5, a nut 6, a sliding groove 7, a connecting rod 8, a universal ball 9, a universal seat 10, a fixing groove 11, a sucking disc 12, a vent hole 13, a spring 14, a rubber plug 15, a limiting groove 16, a sleeve 17, a rubber ring 18, a butting rod 19, a movable plate 20, a butting plate 21 and a hook 22.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, a mathematics teaching auxiliary device, including dead lever 1, fixed stabilizer blade 2 and drawing stabilizer blade 4, the one end of fixed stabilizer blade 2 and the outer wall fixed connection of dead lever 1, the outer wall of dead lever 1 rotates and is connected with the ring, and the outer wall fixed connection of the one end of drawing stabilizer blade 4 and ring, the other end of fixed stabilizer blade 2 is provided with supporting mechanism, and the other end of drawing stabilizer blade 4 is provided with drawing mechanism.

One side outer wall of fixed stabilizer blade 2 is provided with arc 3, and the outer wall of arc 3 opens there is spout 7, and the outer wall fixedly connected with gag lever post 5 of drawing stabilizer blade 4, and the outer wall of gag lever post 5 and the inner wall sliding connection of spout 7, and the outer wall threaded connection of gag lever post 5 has nut 6.

The supporting mechanism comprises a universal seat 10, a universal ball 9 and a sucker 12, the universal ball 9 is fixedly arranged at the bottom end of the fixed supporting leg 2 through a connecting rod 8, the universal seat 10 is rotatably arranged at the outer side of the universal ball 9, and the sucker 12 is fixedly arranged on the outer wall of the bottom of the universal seat 10.

The bottom outer wall of universal seat 10 is opened there is fixed slot 11, and one side inner wall of fixed slot 11 is opened there is vent 13, and vent 13's inner wall is provided with spring 14, and vent 13's aperture is crescent from inside to outside, and vent 13's inside is provided with rubber buffer 15, and spring 14's one end and rubber buffer 15's outer wall fixed connection.

The drawing mechanism comprises a sleeve 17, a resisting rod 19 and a resisting plate 21, a limiting groove 16 is formed in the bottom end of the drawing support leg 4, the sleeve 17 is rotatably arranged in the limiting groove 16, a movable plate 20 is arranged inside the limiting groove 16, the resisting rod 19 is fixedly arranged on the outer wall of the movable plate 20, the resisting plate 21 is fixedly arranged at one end of the resisting rod 19, and the resisting plate 21 is arranged in the sleeve 17.

The inner wall of the sleeve 17 is provided with a rubber ring 18, and the rubber ring 18 in the sleeve 17 can increase the friction force with chalk, so that the chalk is not easy to fall off.

The working principle is as follows: when the device is used, the universal ball 9 connected with the fixed support leg 2 through the connecting rod 8 can rotate in the universal seat 10, so that drawing is more convenient, meanwhile, the sucker 12 positioned at the bottom of the universal seat 10 can be adsorbed on a blackboard, in the process of pressing the sucker 12, the generated air pressure can cause the rubber plug 15 to move in the vent hole 13 and stretch the spring 14, so that gas is discharged through a gap between the rubber plug 15 and the vent hole 13, the sucker 12 can be firmly adsorbed on the blackboard, the stability of the device during drawing is effectively ensured, when the sucker 12 needs to be taken down, one part of the rubber plug 15 can be directly taken out of the vent hole 13, so that the air pressure of the inner wall and the outer wall of the sucker 12 is balanced, the sucker 12 can be taken down easily, the device is very convenient to use, when the fixed support leg 2 and the drawing support leg 4 are opened, the limiting rod 5 positioned on the drawing support, after angle adjustment is suitable, can rotate nut 6 on the gag lever post 5, make nut 6 support the 3 outer walls of arc, can fix the angle, effectively avoid drawing in-process angle to take place the skew, excellent in use effect, a chalk for drawing can be placed in sleeve 17, rubber ring 18 that is arranged in sleeve 17 can increase and the chalk between the frictional force, make it be difficult for dropping, sleeve 17 can rotate and set up in the spacing groove 16 in drawing stabilizer blade 4, when the chalk exposes the partial exhaust of sleeve 17, can rotate sleeve 17, make sleeve 17 remove to spacing groove 16 inner wall, the while that removes, support plate 21 through supporting rod 19 connection on the fly leaf 20 can support the chalk partly from sleeve 17, and it is very convenient to use.

Example 2

Referring to fig. 5, the present embodiment further includes a hook 22 fixedly connected to the outer wall of the top of the fixing rod 1, compared with embodiment 1, of the mathematical education auxiliary device.

The working principle is as follows: when the blackboard eraser is used, the device can be hung on one side of a blackboard through the hook 22, and the device is convenient to take.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a mathematics teaching auxiliary device, includes dead lever (1), fixed stabilizer blade (2) and drawing stabilizer blade (4), the one end of fixed stabilizer blade (2) and the outer wall fixed connection of dead lever (1), the outer wall of dead lever (1) rotates and is connected with the ring, and the outer wall fixed connection of the one end of drawing stabilizer blade (4) and ring, its characterized in that, the other end of fixed stabilizer blade (2) is provided with supporting mechanism, the other end of drawing stabilizer blade (4) is provided with drawing mechanism.

2. The mathematics teaching auxiliary device according to claim 1, characterized in that one side of the outer wall of the fixed leg (2) is provided with an arc-shaped plate (3), the outer wall of the arc-shaped plate (3) is provided with a sliding groove (7), the outer wall of the painting leg (4) is fixedly connected with a limiting rod (5), the outer wall of the limiting rod (5) is connected with the inner wall of the sliding groove (7) in a sliding way, and the outer wall of the limiting rod (5) is connected with a nut (6) in a threaded way.

3. The mathematics teaching auxiliary device according to claim 1, characterized in that said supporting mechanism comprises a universal seat (10), a universal ball (9) and a suction cup (12), said universal ball (9) is fixedly arranged at the bottom end of the fixed support leg (2) through a connecting rod (8), and the universal seat (10) is rotatably arranged at the outer side of the universal ball (9), said suction cup (12) is fixedly arranged at the outer wall of the bottom of the universal seat (10).

4. The mathematics teaching aid of claim 3, characterized in that, the bottom outer wall of universal seat (10) is opened there is fixed slot (11), and one side inner wall of fixed slot (11) is opened there is vent (13), the inner wall of vent (13) is provided with spring (14), and the aperture of vent (13) increases gradually from inside to outside, the inside of vent (13) is provided with rubber buffer (15), and the outer wall fixed connection of the one end of spring (14) and rubber buffer (15).

5. The mathematics teaching auxiliary device according to claim 1, wherein said painting mechanism includes a sleeve (17), a resisting rod (19) and a resisting plate (21), the bottom of said painting support leg (4) is opened with a limit groove (16), and the sleeve (17) is rotatably disposed in the limit groove (16), said limit groove (16) is internally disposed with a movable plate (20), and the resisting rod (19) is fixedly disposed on the outer wall of the movable plate (20), said resisting plate (21) is fixedly disposed at one end of the resisting rod (19), and the resisting plate (21) is disposed in the sleeve (17).

6. A mathematical education aid as claimed in claim 5, characterized in that the inner wall of the sleeve (17) is provided with a rubber ring (18).

7. The mathematics teaching aid according to claim 1, characterized in that the top external wall of said fixed rod (1) is fixedly connected with a hook (22).