CN216804970U - Drawing device for advanced mathematics - Google Patents

Abstract

The utility model discloses a drawing device for higher mathematics, which comprises a main board, an auxiliary board and a fixed column, wherein the side walls of the main board and the auxiliary board are respectively provided with a main sliding groove, the outer side wall of the fixed column is provided with a main sliding block, the upper wall of the fixed column is rotatably provided with an auxiliary sliding block, the left side wall and the right side wall of the main sliding block and the auxiliary sliding block are respectively provided with a convex block, the main sliding block and the main sliding groove on the main board are slidably arranged, and the auxiliary sliding block and the main sliding groove on the auxiliary board are slidably arranged. The drawing time is shortened, and the teaching efficiency is improved.

Description

Higher mathematics is with drawing device

Technical Field

The utility model relates to the technical field of drawing devices, in particular to a drawing device for advanced mathematics.

Background

In the present higher mathematics teaching, geometry drawing is as the key that the student understands the process of solving the problem, the teacher need draw repeatedly in the teaching and rule so that the student understands, and current drawing mode is for save time, the teacher can draw the coordinate axis on the blackboard usually, draw the function curve through the numerical value of coordinate axis, the coordinate axis of nevertheless this kind of mode drawing is too sloppy, be unfavorable for student's understanding, the problem needs the drawing device to draw the coordinate axis with drawing, the most commonly used is exactly the ruler when drawing the coordinate axis, the teacher draws two mutually perpendicular's lines through the ruler, and mark out numerical value at the top, then just can draw the function curve according to the numerical value, but adopt this kind of drawing device to draw the coordinate axis required time longer, the valuable teaching time of having wasted.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a drawing device for advanced mathematics, which solves the above-mentioned problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a drawing device for advanced mathematics comprises a main board, an auxiliary board and a fixed column, wherein main chutes are formed in the side walls of the main board and the auxiliary board, main sliders are mounted on the outer side walls of the fixed column, auxiliary sliders are rotatably mounted on the upper wall of the fixed column, bumps are mounted on the left side wall and the right side wall of each of the main sliders and the auxiliary sliders, the main sliders are slidably mounted with the main chutes in the main board, and the auxiliary sliders are slidably mounted with the main chutes in the auxiliary board;

the upper walls of the fixed column and the auxiliary sliding block are provided with square holes, the inner cavity of each square hole is provided with a supporting rod in an inserted mode, and the upper wall of each supporting rod is provided with a handle.

Preferably, the main mounting panel is installed to the lateral wall of mainboard, first laser lamp is installed to the upper wall of main mounting panel, first laser lamp has eight, eight at least first laser lamp evenly distributed is in the upper end of main mounting panel, first laser lamp is connected with the external power source electricity.

Preferably, the auxiliary mounting plate is installed on the side wall of the auxiliary plate, the support plate is installed on the side wall of the auxiliary mounting plate, the support plates are at least eight, and are evenly distributed on the auxiliary mounting plate, an auxiliary sliding groove is formed in the side wall of the support plate, a second laser lamp is slidably installed on the inner side wall of the auxiliary sliding groove, and the second laser lamp is electrically connected with an external power supply.

Preferably, the drawing device for advanced mathematics further comprises a shell, wherein a baffle is installed on the inner side wall of the shell, an auxiliary magnet is installed on the upper wall of the baffle in an attached mode, and a main magnet is installed on the lower wall of the fixing column.

Preferably, through holes are formed in the side walls of the main board and the auxiliary board, hooks are inserted into the through holes of the auxiliary board, and connecting ropes are installed on the lower walls of the hooks.

Preferably, the lower wall of the baffle is provided with a sucker.

Compared with the prior art, the utility model has the beneficial effects that: this device is when using, only need adsorb the shell on the blackboard through the sucking disc, then adsorb the fixed column on vice magnet through main magnet, mainboard and subplate are ninety degrees this moment, form a cross, first laser lamp and second laser lamp circular telegram on its mainboard and the subplate are lighted, make it form a coordinate axis that has the scale mark, the teacher only needs to fill in numerical value in the below of every first laser lamp and second laser lamp, just can directly draw the function curve, this device does not need the teacher to draw the coordinate axis in person, thereby shorten the required time of drawing, the efficiency of teaching is improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a cross-sectional view taken at a-a of fig. 1.

Fig. 3 is a partial side view of a subpanel of the present invention.

In the figure: the laser lamp comprises a main board 1, an auxiliary board 2, a fixing column 3, a sliding chute 4, a main sliding block 5, an auxiliary sliding block 6, a protruding block 7, a square hole 8, a supporting rod 9, a handle 10, a main mounting board 11, a first laser lamp 12, an auxiliary mounting board 13, a supporting board 14, an auxiliary sliding chute 15, a second laser lamp 16, a shell 17, a baffle 18, an auxiliary magnet 19, a main magnet 20, a through hole 21, a hook 22, a connecting rope 23 and a sucking disc 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a drawing device for advanced mathematics comprises a main board 1, an auxiliary board 2 and a fixed column 3, wherein main chutes 4 are formed in the side walls of the main board 1 and the auxiliary board 2, main sliders 5 are installed on the outer side walls of the fixed column 3, auxiliary sliders 6 are installed on the upper wall of the fixed column 3 in a rotating mode, the auxiliary sliders 6 can rotate on the fixed column 3 to adjust the included angle between the main board 1 and the auxiliary board 2, bumps 7 are installed on the left side wall and the right side wall of each of the main sliders 5 and the auxiliary sliders 6, the main sliders 5 are installed with the main chutes 4 on the main board 1 in a sliding mode, the auxiliary sliders 6 are installed with the main chutes 4 on the auxiliary board 2 in a sliding mode, and the fixed column 3 can slide on the main board 1 and the auxiliary board 2 under the action of the main sliders 5 and the auxiliary sliders 6;

fixed column 3 and vice slider 6's upper wall has all been seted up square hole 8, branch 9 has been installed in the inner chamber of square hole 8 insertion, handle 10 is installed to the upper wall of branch 9, when branch 9 of handle 10 below inserts in the square hole 8, its vice slider 6 can not rotate, make it fix the contained angle between mainboard 1 and the subplate 2, its square hole 8 is the square, when branch 9 inserts, the contained angle between mainboard 1 and the subplate 2 can only be 0 °, 90 °, 180 ° and 270 °, four kinds of circumstances, need adjust its contained angle to 90 positions when using, need adjust 0 position when accomodating.

Particularly, main mounting panel 11 is installed to mainboard 1's lateral wall, first laser lamp 12 is installed to main mounting panel 11's upper wall, first laser lamp 12 has eight at least, eight first laser lamp 12 evenly distributed are in main mounting panel 11's upper end, first laser lamp 12 is connected with external power supply electricity, every first laser lamp 12 corresponds the scale mark on mainboard 1 and the subplate 2 respectively with second laser lamp 16, make its mr need not draw many times, in order to shorten the required time of drawing, in addition, replace the scale mark through first laser lamp 12 and second laser lamp 16, make it more obvious, make things convenient for the student to observe more.

Specifically, the auxiliary mounting plate 13 is installed to the auxiliary plate 2 lateral wall, extension board 14 is installed to the lateral wall of auxiliary mounting plate 13, extension board 14 has eight at least, eight extension boards 14 evenly distributed are on auxiliary mounting plate 13, auxiliary chute 15 has been seted up to the lateral wall of extension board 14, auxiliary chute 15's inside wall slidable mounting has second laser lamp 16, second laser lamp 16 is connected with external power supply electricity, because its auxiliary plate 2 sets up the top at mainboard 1, the height of its second laser lamp 16 accessible auxiliary chute 15 on the extension board 14 regulation self makes its highly uniform with first laser lamp 12, be convenient for student's observation.

Specifically speaking, a higher mathematics is with drawing device still includes shell 17, its characterized in that: baffle 18 is installed to the inside wall of shell 17, vice magnet 19 is installed in the upper wall laminating of baffle 18, main magnet 20 is installed to the lower wall of fixed column 3, before drawing the function curve, adsorb shell 17 on the blackboard through sucking disc 25 of baffle 18 below earlier, fix a position this device, then adsorb fixed column 3 on the vice magnet 19 of shell 17 top through main magnet 20, when drawing a plurality of function curves, can select a plurality of shells 17 and adsorb on the blackboard, then in proper order with fixed column 3 actuation on shell 17, draw, when explaining, only need pull out fixed column 3, the actuation can on the shell 17 that the function curve that needs the explanation corresponds.

Specifically, through-hole 21 has all been seted up to the lateral wall of mainboard 1 and subplate 2, and the insertion is installed couple 22 in the through-hole 21 of subplate 2, and connection rope 23 is installed to couple 22's lower wall, and connection rope 23 can twine this device when accomodating this device.

Specifically, a suction cup 24 is mounted to the lower wall of the baffle 18.

The working principle is as follows: before drawing a function curve, the shell 17 is firstly absorbed on a blackboard through a suction cup 25 below the baffle plate 18 for positioning, if a plurality of function curves need to be drawn, a plurality of shells 17 need to be selected and adsorbed on the blackboard through the suckers 24, then the angle between the main board 1 and the auxiliary board 2 is adjusted to be 90 degrees, the support rod 9 below the handle 10 is inserted into the square hole 8 to fix the angle between the main board 1 and the auxiliary board 2, the first laser lamp 12 and the second laser lamp 16 are electrified, then the fixed column 3 is sucked on the shell 17 in sequence, each first laser lamp 12 and each second laser lamp 16 respectively correspond to the scale marks on the main board 1 and the auxiliary board 2, the teacher draws a function curve through the scale marks formed by the first laser lamp 12 and the second laser lamp 16, during explanation, the fixing column 3 is pulled out and is attracted to the shell 17 corresponding to the function curve to be explained.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. The utility model provides a higher mathematics is with drawing device, includes mainboard (1), subplate (2) and fixed column (3), its characterized in that: the side walls of the main board (1) and the auxiliary board (2) are both provided with a main sliding groove (4), the outer side wall of the fixed column (3) is provided with a main sliding block (5), the upper wall of the fixed column (3) is rotatably provided with an auxiliary sliding block (6), the left side wall and the right side wall of the main sliding block (5) and the auxiliary sliding block (6) are both provided with a convex block (7), the main sliding block (5) is slidably mounted with the main sliding groove (4) on the main board (1), and the auxiliary sliding block (6) is slidably mounted with the main sliding groove (4) on the auxiliary board (2);

square holes (8) are formed in the upper walls of the fixed column (3) and the auxiliary sliding block (6), a supporting rod (9) is inserted into the inner cavity of each square hole (8), and a handle (10) is mounted on the upper wall of each supporting rod (9);

the main mounting plate (11) is mounted on the side wall of the main plate (1), the first laser lamps (12) are mounted on the upper wall of the main mounting plate (11), the number of the first laser lamps (12) is at least eight, the eight first laser lamps (12) are uniformly distributed at the upper end of the main mounting plate (11), and the first laser lamps (12) are electrically connected with an external power supply;

vice mounting panel (13) are installed to subplate (2) lateral wall, extension board (14) are installed to the lateral wall of vice mounting panel (13), extension board (14) have eight, eight at least extension board (14) evenly distributed is on vice mounting panel (13), vice spout (15) have been seted up to the lateral wall of extension board (14), the inside wall slidable mounting of vice spout (15) has second laser lamp (16), second laser lamp (16) are connected with external power source electricity.

2. The higher mathematics drawing device according to claim 1, wherein: the magnetic suspension type magnetic suspension device is characterized by further comprising a shell (17), a baffle (18) is installed on the inner side wall of the shell (17), an auxiliary magnet (19) is installed on the upper wall of the baffle (18) in a fitting mode, and a main magnet (20) is installed on the lower wall of the fixing column (3).

3. The drawing device for advanced mathematics as claimed in claim 1, wherein: through-hole (21) have all been seted up to the lateral wall of mainboard (1) and subplate (2), insert in through-hole (21) of subplate (2) and install couple (22), connecting rope (23) are installed to the lower wall of couple (22).

4. The higher mathematics drawing device according to claim 2, wherein: and a suction cup (24) is arranged on the lower wall of the baffle plate (18).

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