CN111192504A

CN111192504A - Auxiliary teaching device

Info

Publication number: CN111192504A
Application number: CN202010129070.2A
Authority: CN
Inventors: 高彩霞; 王明秋; 李红; 覃伟; 蒋洪亮
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-05-22

Abstract

The invention relates to the technical field of teaching, in particular to an auxiliary teaching device which comprises a base, wherein a turntable is rotatably connected to the base, a display mechanism is arranged on the turntable, the display mechanism comprises a plurality of vertically arranged display boards and a telescopic assembly for controlling the display boards to transversely move, and the cross section of each display board in the vertical direction is in a regular polygon shape; the base is provided with a driving mechanism for driving the turntable to rotate. The scheme is convenient for teachers to show teaching contents to students.

Description

Auxiliary teaching device

Technical Field

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

Background

The turnover classroom is called as a reversal classroom, and compared with the traditional classroom, the decision right of learning is not mastered in the hands of a teacher any more but transferred to students. Study independently accomplishes relevant study under the class, and the teacher defaults the student in class and has mastered knowledge point to some extent, and the teacher in class can demonstrate relevant knowledge point to the student fast, to some simpler knowledge points, and the teacher no longer explains, and to some complicated knowledge points, the teacher gives prominence to again explains.

When the teacher shows and explains the important knowledge points, the teacher can use the related display device to show the students. In order to improve the teaching effect, the interaction between the teacher and the student is enhanced, the distance between the teacher and the student is shortened, and students can surround the teacher when the teacher gives a lecture in a turnover classroom. However, when the teacher shows the relevant knowledge points to the students, the teacher needs to rotate one turn to see all students around the teacher, which is very inconvenient.

Disclosure of Invention

The invention aims to provide an auxiliary teaching device which is convenient for teachers to show teaching contents to students.

In order to achieve the purpose, the technical scheme of the invention is as follows: an auxiliary teaching device comprises a base, wherein a turntable is rotatably connected to the base, a display mechanism is arranged on the turntable, the display mechanism comprises a plurality of vertically arranged display boards and telescopic assemblies for controlling the display boards to transversely move, the display boards are sequentially distributed in a regular polygon shape, the telescopic assemblies are positioned in the regular polygon shape, and one surface of each display board, which is far away from the telescopic assemblies, is a display surface; the base is provided with a driving mechanism for driving the turntable to rotate.

The working principle and the effect of the scheme are as follows: the display board is used for displaying related contents of teaching. The driving mechanism is used for driving the turntable to rotate. From this, students around this device, the teacher shows the content of teaching out through each show board, then the carousel drives the show mechanism and rotates to make different show boards can demonstrate to the classmate that is located different positions, realized the circulation show of the content on the show board, improved the bandwagon effect of teaching content, need not the manual work and hold the teaching content and rotate, easy operation is convenient. Because the cross-sectional shape of the vertical direction that a plurality of show boards are constituteed is regular polygon, the more even of a plurality of show boards distribution like this is favorable to evenly showing the content of teaching to the student. The steerable show board lateral shifting of flexible subassembly to can adjust the distance between show board and the classmates, when the show board is nearer apart from the classmates, can make the show board remove to the direction of keeping away from the classmates, when the show board is far away from the classmates, can make the show board remove to the direction of being close to the classmates, thereby the content of guaranteeing the show can be clearly visible. In addition, lateral shifting through the show board realizes big, little regulation of this device, and this device can use in the classroom of equidimension not, can make the regulation according to the actual teaching space, and easy operation is convenient, and the practicality is strong.

Furthermore, a vertical shaft is vertically arranged on the turntable, and the axis of the vertical shaft penetrates through the center of the regular polygon; the telescoping assembly is connected between the vertical shaft and the display board. From this, the vertical axis can support flexible subassembly, and flexible subassembly is located between a plurality of show boards, compares flexible subassembly and is located the outside of show board, and flexible subassembly can not occupy the space in the show board outside, and the structure of this device is compacter.

Further, flexible subassembly includes a plurality of cylinders of fixed connection on the vertical axis, and cylinder circumference evenly distributed is on the vertical axis, and the cylinder pole fixed connection of cylinder is on the show board. From this, through the flexible lateral shifting who has realized the show board of control cylinder. The cylinder is used for controlling the stretching of the display board, and the structure is simple.

Further, the telescopic assembly comprises two moving blocks and a plurality of connecting rods, the vertical shaft is a bidirectional lead screw, the two moving blocks are respectively in threaded connection with two ends of the bidirectional lead screw, and two ends of each connecting rod are hinged to the moving blocks and the display board; the turntable is fixedly connected with a guide rod, and the moving block is vertically connected to the guide rod in a sliding manner; the turntable is provided with a driving part for driving the bidirectional screw rod to rotate. Therefore, the driving portion is used for driving the bidirectional screw to rotate, the guide rod is used for clamping the moving block, the moving block is prevented from rotating along with the bidirectional screw, the bidirectional screw and the moving block form a screw pair, the bidirectional screw drives the two moving blocks to move towards opposite directions when the bidirectional screw rotates, and meanwhile the guide rod plays a role in guiding for the moving block. In the scheme, when the two moving blocks are close to each other, the two moving blocks push the corresponding display boards to move towards the direction far away from the bidirectional screw rod through the connecting rods, so that the display boards simultaneously move towards the direction far away from the bidirectional screw rod; when the two moving blocks are far away from each other, the two moving blocks pull the corresponding display boards to move towards the direction close to the bidirectional lead screw through the connecting rods, so that the display boards move towards the direction close to the bidirectional lead screw simultaneously. The event is through this scheme, has realized removing when a plurality of show boards, is favorable to improving the efficiency that the show board removed, compares and uses the cylinder, need not to control the show board singly, operates simple and conveniently more. In addition, this scheme is compared and is used the cylinder to control, and the cost is lower.

Further, the inside of show board is equipped with the card chamber, is equipped with the socket that communicates with the card chamber on the top of show board, is equipped with the sliding tray that communicates with the card chamber on the lateral wall of show board, and the vertical sliding connection in inside in card chamber has the promotion portion of "L" shape, and the horizontal limit of promotion portion is arranged in the card chamber, and the perpendicular limit of promotion portion is arranged in the sliding tray. From this, can put into the card chamber through the socket with the teaching card to the show to the teaching card has been realized. When the height of teaching card was less than the height of show board, because the top of teaching card can be located the card chamber, then put into the teaching card of show board and more difficult taking out. And through this scheme, when the height that highly is less than the show board of teaching card, can upwards promote the perpendicular limit in the promotion portion to make promotion portion rebound, the horizontal limit of promotion portion bottom upwards promotes the card, thereby makes the card can come out from the card chamber, is convenient for take out highly less card from the card chamber, has solved the problem that the teaching card of putting into in the show board is more difficult to take out. In addition, the vertical edge on the pushing part is not only the part for the hand to make the pushing part move, and when the display board moves, the vertical edge of the pushing part can also be abutted against the card, so that the card is prevented from falling out of the sliding groove.

Further, fixedly connected with is located the anti-skidding stripe in the show board outside on the perpendicular limit of promotion portion, and anti-skidding stripe is flexible. Therefore, when the hand pushes the vertical edge of the pushing part, the anti-slip stripes can increase the friction force between the vertical edge of the pushing part and the fingers, and the pushing part is convenient to push. Because the anti-skidding stripe is flexible, when the lateral wall of adjacent show board offseted, the anti-skidding stripe can receive the extrusion and shrink, and the anti-skidding stripe can not influence the lateral wall of adjacent show board and offset.

Further, the driving mechanism comprises a first motor, and the turntable is coaxially and fixedly connected to an output shaft of the first motor. Therefore, the first motor drives the turntable to rotate, and the driving mechanism is simple in structure.

Further, the drive part comprises a second motor, and the bottom end of the bidirectional lead screw is coaxially and fixedly connected to an output shaft of the second motor. Therefore, the bidirectional screw rod is driven to rotate by the second motor, the driving part is simple in structure, and the device is low in cost.

Furthermore, the base is rotatably connected with wheels. Therefore, the device can move on the ground, and the transfer of the device is convenient.

Further, the regular polygon is a regular octagon. From this, the quantity of show board is eight, under the unchangeable condition of the diameter of regular polygon's circumscribed circle, compares the show board of other quantity, and the quantity of show board can not be too much and lead to the area of show board less, and the quantity of show board also can not be too few and influence the watching of students in different directions.

Drawings

FIG. 1 is a front partial sectional view of an instructional aid according to embodiment 1;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the display panel of FIG. 2 when deployed;

FIG. 4 is a top view of the device in full student position around the device;

FIG. 5 is a front partial sectional view of an instructional aid according to embodiment 2;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a front sectional view of the display board of example 3;

FIG. 8 is a front partial sectional view of an instructional aid according to embodiment 4;

FIG. 9 is an enlarged view of A in FIG. 8;

fig. 10 is a front cross-sectional view of the display mechanism of fig. 8.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a base 1, wheels 2, a first motor 3, a rotary table 4, a display board 5, a vertical shaft 6, a cylinder 7, a second motor 8, a moving block 9, a connecting rod 10, a seat 11, a guide rod 12, a sliding groove 13, a pushing part 14, a cleaning block 15, a pull rope 16, a wheel carrier 17 and a pulley 18.

Example 1

Substantially as shown in figures 1 to 4 of the accompanying drawings: the utility model provides an auxiliary teaching device, includes circular shape base 1, and the welding has four backup pads on base 1's the bottom, all is connected with wheel 2 through the round pin hub rotation in the backup pad. The upper surface of base 1 is gone up to rotate and is connected with carousel 4, and is concrete, is equipped with the ring channel on the upper surface of base 1, and the welding has the annular strip on the bottom of carousel 4, and the annular strip is located the ring channel. The turntable 4 is provided with a display mechanism, as shown in fig. 2, the display mechanism in this embodiment includes eight vertically arranged display boards 5 and a telescopic assembly for controlling the display boards 5 to move laterally, and a cross section formed by the eight display boards 5 in fig. 2 is regular octagon. A vertical shaft 6 which is vertically arranged is coaxially welded on the turntable 4, and the axis of the vertical shaft 6 penetrates through the center of the regular polygon; the flexible subassembly in this embodiment includes eight cylinders 7 through screw fixed connection on vertical axis 6, and cylinder 7 circumference evenly distributed is on vertical axis 6, and cylinder 7 is relative with show board 5, and the cylinder pole of cylinder 7 passes through screw fixed connection on show board 5. The base 1 is provided with a driving mechanism for driving the turntable 4 to rotate. The driving mechanism in this embodiment includes first motor 3, is equipped with the motor groove on the base 1, and first motor 3 is arranged in the motor groove on the base 1, and first motor 3 passes through the fix with screw on base 1, and the coaxial fixed connection of parallel key is passed through on the output shaft of first motor 3 in the bottom of carousel 4.

The specific implementation process is as follows: referring to fig. 4, the seats 11 of the students are ring-shaped, the device is placed between the students, and the teachers show the teaching contents through the display boards 5 (in this embodiment, the display boards 5 show the teaching contents, which can be realized by the following method that the display boards 5 can be electronic display screens to show the teaching contents, the display boards 5 can also be blackboards or whiteboards, the teachers write on the side surfaces of the display boards 5 far away from the vertical shafts 6, and the teachers can also detachably connect the teaching cards to the side surfaces of the display boards 5 far away from the vertical shafts 6 in a magnetic attraction or clamping manner, etc.). Then drive carousel 4 through first motor 3 and rotate, carousel 4 drives eight show boards 5 and rotates around vertical axis 6 to make different show boards 5 can demonstrate to being located the classmate in different position, realized the circulation show of the content on the show board 5.

In addition, through the steerable show board 5 lateral shifting of cylinder 7 to can adjust the distance between show board 5 and the classmates, when show board 5 is nearer apart from the classmates, can make show board 5 to keeping away from the classmates direction removal, when show board 5 is far away from the classmates, combine shown in figure 3, can make show board 5 to being close to the classmates direction removal, make between each show board 5 separation, thereby guarantee that the content of show can be clearly seen.

Example 2

As shown in fig. 5, the present embodiment is different from embodiment 1 in that: the structure of flexible subassembly is different, and flexible subassembly includes two movable blocks 9 and sixteen connecting rods 10, and vertical axis 6 in this embodiment is two-way lead screw, and two movable blocks 9 threaded connection respectively are on two-way lead screw's both ends, and the both ends of connecting rod 10 articulate on movable block 9 and show board 5. The ends of the two connecting rods 10 on the same display board 5, which are positioned on the display board 5, are close to each other, and the ends on the moving block 9 are far away from each other; two guide rods 12 are welded to the turntable 4, and as shown in fig. 6, the two guide rods 12 are symmetrically arranged about the vertical axis 6. The moving block 9 is provided with a hole for the guide rod 12 to pass through, so that the moving block 9 is vertically and slidably connected to the guide rod 12; the turntable 4 is provided with a driving part for driving the bidirectional screw rod to rotate. The drive portion in this embodiment includes second motor 8, is equipped with the motor groove on carousel 4, and second motor 8 passes through the fix with screw in the motor groove of second motor 8, and flat key fixed connection is passed through on second motor 8's output shaft in the bottom of vertical axis 6, and vertical axis 6 passes through the bearing and rotates the connection on carousel 4.

The second motor 8 is started, the second motor 8 drives the vertical shaft 6 to rotate, and due to the fact that a screw pair is formed between the bidirectional screw and the moving blocks 9, when the vertical shaft 6 rotates, the two moving blocks 9 move together, and moving directions are opposite. When the two moving blocks 9 approach each other, the two moving blocks 9 push the corresponding display boards 5 to move in a direction away from the bidirectional lead screw through the plurality of connecting rods 10, so that the plurality of display boards 5 simultaneously move in a direction away from the bidirectional lead screw; when the two moving blocks 9 are far away from each other, the two moving blocks 9 pull the corresponding display boards 5 to move towards the direction close to the bidirectional screw rod through the plurality of connecting rods 10, so that the plurality of display boards 5 simultaneously move towards the direction close to the bidirectional screw rod.

Example 3

Referring to fig. 7, in the present embodiment, a teaching card can be placed on the display board 5, and the display board 5 is made of transparent plastic. Show board 5's inside is equipped with the card chamber, be equipped with the socket that communicates with the card chamber on show board 5's the top, be equipped with on show board 5's the right side wall in FIG. 7 with the vertical sliding tray 13 of card chamber intercommunication, the vertical sliding connection in inside in card chamber has the promotion portion 14 of "L" shape, and is concrete, the horizontal limit of promotion portion 14 is arranged in the card chamber, be equipped with perpendicular groove on the left side inner wall in card chamber, the left end of the horizontal limit of promotion portion 14 is arranged in perpendicular groove, the perpendicular limit of promotion portion 14 is arranged in sliding tray 13. The vertical edge of the pushing part 14 is adhered with an anti-skid stripe which is positioned outside the display board 5 and is made of rubber material.

From this, can put into the card chamber through the socket with the teaching card, show board 5 is the support carrier of card to the show to the teaching card has been realized. When the height of teaching card is less than the height of show board 5, when taking out the card, can upwards promote the perpendicular limit on pushing part 14 to make pushing part 14 upwards remove, the horizontal limit of pushing part 14 bottom upwards promotes the card, thereby makes the card can come out from the card chamber, is convenient for take out the less card of height from the card chamber. In addition, the card in the card cavity abuts against the vertical edge of the pushing part 14, so that the card can be prevented from falling out of the display board 5 through the sliding groove 13.

Example 4

With reference to fig. 8 to 10, the present embodiment is improved on the basis of embodiment 2, the display surface of the display board 5 in the present embodiment is vertically connected with the cleaning blocks 15 in a sliding manner, and the specific sliding connection manner of the cleaning blocks 15 is as follows: the part of the display surface of the display board 5, which is close to the left edge and the right edge, is provided with a vertical groove, and the cleaning block 15 is welded with a sliding block which is positioned in the vertical groove. As shown in fig. 9, two wheel frames 17 are welded on the top of each display board 5, the two wheel frames 17 are respectively located on the left side and the right side of the top of the display board 5, pulleys 18 are rotatably connected to the wheel frames 17 through pin shafts, a pull rope 16 is bonded between the top of the cleaning block 15 and the moving block 9 above the cleaning block, and the pull rope 16 crosses over the pulleys 18. The display surface of the display board 5 in this embodiment is a blackboard, and the content can be written on the display board 5 by using chalk. In this embodiment, the cleaning block 15 is a solid iron block, which is heavy. A sponge block is adhered to one side of the cleaning block 15 facing the display board 5.

Thus, with the present embodiment, when a plurality of display boards 5 are contracted together, the height of the moving block 9 above is higher, the display boards 5 are closer to the moving block 9, and the cleaning block 15 is located on the bottom of the display boards 5 under the effect of self weight. When a plurality of show boards 5 keep away from each other, the movable block 9 of top moves down, and show board 5 keeps away from the movable block 9 gradually simultaneously, and the movable block 9 pulls the stay cord 16 downwards, and stay cord 16 upwards pulls cleaning block 15 through pulley 18 to make cleaning block 15 upwards move to the top of show board 5 on, cleaning block 15 carries out the automatic erasure to the writing on show board 5, thereby is convenient for the mr to write new content on the show board 5 again.

After this device finishes using, need make a plurality of show boards 5 be close to each other and contract together, the movable block 9 rebound of top, show board 5 is close to movable block 9 gradually, stay cord 16 becomes loose, no longer stimulates clean piece 15, clean piece 15 moves down under the effect of dead weight, clean piece 15 carries out automatic erasing to the writing on the show board 5, need not the manual work and clears away, easy operation is convenient. In addition, the embodiment realizes the simultaneous erasing of the handwriting on the display boards 5 without clearing one by one, and the handwriting clearing efficiency is higher.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various changes and modifications without departing from the concept of the present invention, and these should be construed as the scope of protection of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims

1. An auxiliary teaching device is characterized in that: the display mechanism comprises a plurality of vertically arranged display boards and telescopic assemblies for controlling the display boards to transversely move, wherein the display boards are sequentially distributed in a regular polygon shape, the telescopic assemblies are positioned in the regular polygon shape, and one side of each display board, which is far away from the telescopic assemblies, is a display surface; and the base is provided with a driving mechanism for driving the turntable to rotate.

2. An assistive teaching device according to claim 1, wherein: the turntable is provided with a vertical shaft which is vertically arranged, and the axis of the vertical shaft penetrates through the center of the regular polygon; the telescopic assembly is connected between the vertical shaft and the display board.

3. An assistive teaching device according to claim 2, wherein: the telescopic assembly comprises a plurality of cylinders fixedly connected to the vertical shaft, the circumferences of the cylinders are uniformly distributed on the vertical shaft, and cylinder rods of the cylinders are fixedly connected to the display board.

4. An assistive teaching device according to claim 2, wherein: the telescopic assembly comprises two moving blocks and a plurality of connecting rods, the vertical shaft is a bidirectional lead screw, the two moving blocks are respectively in threaded connection with two ends of the bidirectional lead screw, and two ends of each connecting rod are hinged to the moving blocks and the display board; the turntable is fixedly connected with a guide rod, and the moving block is vertically connected to the guide rod in a sliding manner; the turntable is provided with a driving part for driving the bidirectional screw rod to rotate.

5. An assistive teaching device according to claim 1, wherein: the inside of show board is equipped with the card chamber, is equipped with the socket that communicates with the card chamber on the top of show board, is equipped with the sliding tray that communicates with the card chamber on the lateral wall of show board, the vertical sliding connection in inside in card chamber has the promotion portion of "L" shape, and the horizontal limit of promotion portion is arranged in the card chamber, and the perpendicular limit of promotion portion is arranged in the sliding tray.

6. An assistive teaching device according to claim 6, wherein: fixedly connected with is located the anti-skidding stripe in the show board outside on the perpendicular limit of promotion portion, anti-skidding stripe is flexible.

7. An assistive teaching device according to any one of claims 1 to 6, wherein: the driving mechanism comprises a first motor, and the rotary table is coaxially and fixedly connected to an output shaft of the first motor.

8. An assistive teaching device according to claim 4, wherein: the driving part comprises a second motor, and the bottom end of the bidirectional lead screw is coaxially and fixedly connected to an output shaft of the second motor.

9. An assistive teaching device according to claim 7, wherein: the base is rotatably connected with wheels.

10. An assistive teaching device according to claim 7, wherein: the regular polygon is a regular octagon.