CN212313141U

CN212313141U - Mathematical modeling model teaching display device

Info

Publication number: CN212313141U
Application number: CN202020110970.8U
Authority: CN
Inventors: 李超明; 节留成
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2021-01-08
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a mathematical modeling model teaching display device, which comprises a base, a display board and a cleaning arm; the utility model has the advantages of reasonable design in structure, the practicality is very high, in operation, supporting leg and antiskid ribbed tile multiplicable with the area of contact of earth's surface, it is better to support stable effect, fix the telescopic link through fastening nut and pilot hole, from this, can adjust the height of show board according to the demand, under the effect of seat is adjusted in the angle of elevation, can locally rotate the show board and carry out the regulation of angle of elevation, the show effect is better, the motor drives the belt through the second running roller and rotates, thereby control and remove through the connecting block drive cleaning arm, can erase mathematical modeling formula content fast under the effect on layer is erased to the sponge, simultaneously under removing wheel and the rectangular effect of support, frictional force is littleer, the stroke is more stable, it writes in a large number to have reduced traditional mr, erase the time and physical power that the space of a.

Description

Mathematical modeling model teaching display device

Technical Field

The utility model relates to a teaching equipment technical field specifically is a mathematical modeling model teaching display device.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching; the blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black or greenish black. With the progress of science and technology, multimedia teaching is vigorously developed in China; computers, projectors and the like gradually replace traditional teaching tools such as blackboards and chalks, and have good effects in teaching, training and reporting applications. The mathematical modeling is to establish a mathematical model according to an actual problem, solve the mathematical model and then solve the actual problem according to a result; when a practical problem needs to be analyzed and researched from a quantitative perspective, people need to use mathematical symbols and languages for expression to establish a mathematical model on the basis of the work of deep investigation and research, object information understanding, simplified assumption making, internal rule analysis and the like; the general teacher needs to write and calculate a large number of company symbols when performing mathematical modeling teaching.

At present, the current blackboard produces the powder easily when writing and endangers mr healthy, and current blackboard generally is fixed on the wall simultaneously, is difficult to carry out the regulation of angle, uses the show inconvenient, and mr when carrying out mathematical modeling, needs a large amount of calculations, and frequent blackboard of cleaning delays time easily, and wastes physical power, interrupts the thinking even, influences the teaching. Therefore, those skilled in the art provide a teaching demonstration device for mathematical modeling models to solve the above problems in the background art.

Disclosure of Invention

An object of the utility model is to provide a mathematical modeling model teaching display device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a mathematical modeling model teaching display device comprises a base, a display board and a cleaning arm, wherein the upper end of the base is connected with a stand column, the middle part of the upper end of the stand column is provided with a round hole groove, the inside of the round hole groove is slidably connected with a telescopic rod, the upside of the right end of the stand column is provided with a fastening nut, the left end of the fastening nut penetrates through the stand column to be connected with the telescopic rod, the rear end of the display board is connected with an elevation angle adjusting seat through a fixing nut, the elevation angle adjusting seat is rotatably connected with the telescopic rod, the left side of the rear end of the display board is provided with a first roller wheel, the right side of the rear end of the display board is provided with a second roller wheel, the first roller wheel is connected with the second roller wheel through a belt, the rear end of the display board is provided with a motor positioned at the lower side of the, the cleaning arm is characterized in that a plurality of moving wheels are arranged at the lower end of the cleaning arm, the cleaning arm is in rolling connection with the rectangular groove through the moving wheels, and the upper end of the cleaning arm is connected with a belt through a connecting block.

As a further aspect of the present invention: the base lower extreme is provided with a plurality of recesses, the recess is inside to rotate through the pivot and is connected with a plurality of supporting legs, the supporting leg lower extreme all rotates through the pivot and is connected with the antiskid ribbed tile, the antiskid ribbed tile lower extreme is provided with anti-skidding line, the inside stopper that all is provided with of recess.

As a further aspect of the present invention: the telescopic rod is characterized in that a plurality of positioning holes are formed in the lower side of the right end of the telescopic rod and are linearly and equidistantly arranged on the telescopic rod, and the diameter of each positioning hole is matched with the diameter of the fastening nut.

As a further aspect of the present invention: show board front end upper side is provided with the direction litter, clean arm rear end upper side is provided with fixed cover, clean arm is through fixed cover sliding connection direction litter, show board rear end is provided with the switch.

As a further aspect of the present invention: the middle part of the rear end of the cleaning arm is provided with a sponge wiping layer.

As a further aspect of the present invention: the material of supporting leg, stand and telescopic link is the stainless steel, the show board front end is provided with the blank, the material of blank is PET.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages of reasonable design in structure, the practicality is very high, in operation, supporting leg and antiskid ribbed tile multiplicable with the area of contact of earth's surface, it is better to support stable effect, fix the telescopic link through fastening nut and pilot hole, from this, can adjust the height of show board according to the demand, under the effect of seat is adjusted in the angle of elevation, can locally rotate the show board and carry out the regulation of angle of elevation, the show effect is better, the motor drives the belt through the second running roller and rotates, thereby control and remove through the connecting block drive cleaning arm, can erase mathematical modeling formula content fast under the effect on layer is erased to the sponge, simultaneously under removing wheel and the rectangular effect of support, frictional force is littleer, the stroke is more stable, it writes in a large number to have reduced traditional mr, erase the time and physical power that the space of a.

Drawings

Fig. 1 is a schematic structural diagram of a mathematical modeling model teaching display device.

Fig. 2 is an enlarged view of a in a mathematical modeling model teaching demonstration apparatus.

FIG. 3 is a side view of a mathematical modeling model teaching display apparatus.

Fig. 4 is an enlarged view of B in a mathematical modeling model teaching demonstration apparatus.

Fig. 5 is an enlarged view of C in a mathematical modeling model teaching demonstration apparatus.

In the figure: base 1, supporting leg 2, antiskid ribbed tile 3, stand 4, round hole groove 5, telescopic link 6, locating hole 7, fastening nut 8, show board 9, elevation angle regulation seat 10, first running roller 11, second running roller 12, belt 13, motor 14, support rectangular 15, clean arm 16, remove wheel 17, sponge and wipe layer 18, connecting block 19, fixed cover 20.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the present invention, a mathematical modeling model teaching display device comprises a base 1, a display board 9 and a cleaning arm 16, wherein the upper end of the base 1 is connected with a column 4, the middle part of the upper end of the column 4 is provided with a round hole groove 5, the inside of the round hole groove 5 is slidably connected with a telescopic rod 6, the upper side of the right end of the column 4 is provided with a fastening nut 8, the left end of the fastening nut 8 penetrates through the column 4 to be connected with the telescopic rod 6, the rear end of the display board 9 is connected with an elevation angle adjusting seat 10 through a fixing nut, the elevation angle adjusting seat 10 is rotatably connected with the telescopic rod 6, the left side of the rear end of the display board 9 is provided with a first roller 11, the right side of the rear end of the display board 9 is provided with a second roller 12, the first roller 11 is connected with the second roller 12 through a, the motor 14 passes through the coupling joint second running roller 12, show board 9 front end downside is provided with and supports rectangular 15, it is provided with the rectangle recess to support rectangular 15 upper ends middle part, 16 lower extremes of cleaning arm are provided with a plurality of

removal wheels

17, 16 rolling connection rectangle recesses through removing wheels 17 of cleaning arm, 16 upper ends of cleaning arm are through connecting block 19 connection belt 13.

The utility model discloses a supporting leg device, including base 1, recess, supporting leg 2, antiskid plate 3, stopper, supporting leg 2, base 1 lower extreme is provided with a plurality of recesses, the recess is inside to be connected with a plurality of supporting legs 2 through the pivot rotation, 2 lower extremes of supporting leg all are connected with antiskid ribbed tile 3 through the pivot rotation, 3 lower extremes of antiskid ribbed tile are provided with anti-skidding line, the recess is inside all to be provided with the stopper, conveniently prescribe.

The telescopic rod 6 is characterized in that a plurality of positioning holes 7 are formed in the lower side of the right end of the telescopic rod 6, the positioning holes 7 are linearly arranged on the telescopic rod 6 at equal intervals, and the diameter of each positioning hole 7 is matched with the diameter of the fastening nut 8.

The upper side of the front end of the display board 9 is provided with a guide sliding rod, the upper side of the rear end of the cleaning arm 16 is provided with a fixing sleeve 20, the cleaning arm 16 is connected with the guide sliding rod in a sliding mode through the fixing sleeve 20, and the rear end of the display board 9 is provided with a switch.

The middle of the rear end of the cleaning arm 16 is provided with a sponge wiping layer 18.

The material of supporting leg 2, stand 4 and telescopic link 6 is the stainless steel, 9 front ends of show board are provided with the blank, the material of blank is PET.

The utility model discloses a theory of operation is:

the utility model relates to a mathematical modeling model teaching display device, during operation, under the effect of supporting leg 2 and antiskid ribbed tile 3, the area of contact with the earth's surface is increased, the supporting stabilization effect is better, the supporting leg can be gathered together through rotating supporting leg 2 and is convenient to store, the height of telescopic link 6 in round hole groove 5 is adjusted through adjusting, and fixed through fastening nut 8 and positioning hole 7, thereby the height of display board 9 can be adjusted according to the demand, under the effect of elevation angle adjusting seat 10, display board 9 can be rotated locally to adjust the elevation angle, the display effect is better, motor 14 drives belt 13 through second roller 12 to rotate, thereby cleaning arm 16 is driven to move left and right through connecting block 19, the mathematical modeling formula content can be erased fast under the effect of sponge erasing layer 18, simultaneously under the effect of moving wheel 17 and supporting strip 15, the frictional force is smaller, the stroke is more stable, and the time and physical strength consumed by erasing the layout when a traditional teacher writes a large amount of writing are reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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

1. The teaching and displaying device for the mathematical modeling model comprises a base (1), a display board (9) and a cleaning arm (16), and is characterized in that the upper end of the base (1) is connected with a stand column (4), the middle part of the upper end of the stand column (4) is provided with a round hole groove (5), the inside of the round hole groove (5) is connected with a telescopic rod (6) in a sliding manner, the upside of the right end of the stand column (4) is provided with a fastening nut (8), the left end of the fastening nut (8) penetrates through the stand column (4) to be connected with the telescopic rod (6), the rear end of the display board (9) is connected with an elevation angle adjusting seat (10) through a fixing nut, the elevation angle adjusting seat (10) is connected with the telescopic rod (6) in a rotating manner, the left side of the rear end of the display board (9) is provided with a first roller (11), the right side of the rear end of the display board, show board (9) rear end just is located second running roller (12) downside department and is provided with motor (14), motor (14) pass through coupling joint second running roller (12), show board (9) front end downside is provided with and supports rectangular (15), it is provided with the rectangle recess to support rectangular (15) upper end middle part, cleaning arm (16) lower extreme is provided with a plurality of removal wheels (17), cleaning arm (16) are through removing wheel (17) roll connection rectangle recess, belt (13) are connected through connecting block (19) in cleaning arm (16) upper end.

2. The mathematical modeling model teaching demonstration device according to claim 1, wherein the lower end of the base (1) is provided with a plurality of grooves, the inside of each groove is rotatably connected with a plurality of supporting legs (2) through a rotating shaft, the lower ends of the supporting legs (2) are rotatably connected with anti-skid plates (3) through rotating shafts, the lower ends of the anti-skid plates (3) are provided with anti-skid patterns, and the inside of each groove is provided with a limiting block.

3. The mathematical modeling model teaching demonstration device according to claim 1, wherein a plurality of positioning holes (7) are arranged on the lower side of the right end of the telescopic rod (6), the positioning holes (7) are linearly arranged on the telescopic rod (6) at equal intervals, and the diameter of the positioning holes (7) is matched with the diameter of the fastening nut (8).

4. The mathematical modeling model teaching demonstration device according to claim 1, wherein a guiding slide rod is arranged on the upper side of the front end of the demonstration board (9), a fixing sleeve (20) is arranged on the upper side of the rear end of the cleaning arm (16), the cleaning arm (16) is slidably connected with the guiding slide rod through the fixing sleeve (20), and a switch is arranged on the rear end of the demonstration board (9).

5. The mathematical modeling model teaching demonstration apparatus of claim 1 wherein the cleaning arm (16) is provided with a sponge wiping layer (18) at the middle of the rear end.

6. The mathematical modeling model teaching demonstration device according to claim 1, wherein the upright column (4) and the telescopic rod (6) are made of stainless steel, the front end of the demonstration board (9) is provided with a white board, and the white board is made of PET.