CN109035895A - A kind of preschool education operates demonstration plant by hand - Google Patents

Abstract

The invention belongs to the field of teaching devices, in particular to a manual operation demonstration device for preschool education. In view of the existing manual operation demonstration teaching of preschool education, the demonstration device has a single function, and teachers need to prepare multiple devices for use, which makes demonstration teaching inconvenient. problem, the following solution is proposed, including a manual operation demonstration device for preschool education, including a base, a guide tube is welded vertically on the top of the base, a mounting plate is arranged above the top of the guide tube, and one side of the mounting plate A vertical plate is integrally provided, and a lifting assembly for adjusting the height of the mounting plate is provided on the inner side of the guide pipe, and a group of parallel fixed plates are welded on the top of the mounting plate. The structure design of the present invention is ingenious and novel, and can realize multi-function and multi-purpose, thereby bringing convenience to teachers' teaching, making the teaching and demonstration work of teachers simpler and more convenient, and is very suitable for popularization and use.

Description

A manual operation demonstration device for preschool education

technical field

The invention relates to the technical field of teaching devices, in particular to a manual operation demonstration device for preschool education.

Background technique

Art teaching is an important part of art education. Today, when we are vigorously implementing quality education and promoting new curriculum reforms, it is becoming more and more important. Handcrafting occupies a very large proportion in art teaching. It is important to cultivate students' hands-on ability and develop students' imagination , It plays an extremely important role in improving students' aesthetic ability. In the daily art hand-made teaching class, you can try to create a teaching situation to let preschool children gradually devote themselves to the learning of hand-made classes. It is generally used to let preschool children visit some handmade works made by teachers and previous handmade works of preschool children, so as to cultivate preschool children's interest in handmade, let preschool children experience their beauty from handmade works, and Analyze the advantages and disadvantages of these works, and guide preschool children to have the desire to learn how to make by hand, thus ensuring the teaching quality of handicraft classes. The mastery is more solid, thus ensuring the quality of classroom teaching and the quality of manual class results. This kind of teaching method can greatly improve the enthusiasm of students, and make preschool children gradually forget the concept of time. As a teacher of preschool children, we must pay great attention to classroom teaching. The patient and meticulous character of preschool children can often be passed through excellent classroom teaching to fulfill.

When teachers perform manual operation demonstration teaching, they often need to draw by hand and show the painting to students after the painting is completed. Students watch the teacher's actions to imitate, which can facilitate students' understanding and learning, and deepen their impression. At the same time, teachers also need to use the monitor Such devices play operation videos to attract students' attention and strengthen students' enthusiasm for learning. However, there is no manual operation demonstration device that integrates multiple functions and functions. Teachers need to prepare multiple devices during teaching in order to be good Carry out teaching, can not obtain convenience of use, for this reason, need badly a kind of multifunctional preschool education that is convenient for teachers to use manual operation demonstration device.

Contents of the invention

The present invention proposes a manual operation demonstration device for preschool education, which solves the problem of inconvenient demonstration teaching due to the single function of the demonstration device and the need for teachers to prepare multiple devices for use in the manual operation demonstration teaching of preschool education.

In order to achieve the above object, the present invention adopts the following technical solutions:

A manual operation demonstration device for preschool education, comprising a base, a guide tube is vertically welded on the top of the base, a mounting plate is arranged above the top of the guide tube, and a vertical plate is integrally provided on one side of the mounting plate, and the inner side of the guide tube is A lifting assembly for adjusting the height of the mounting plate is provided, a set of parallel fixed plates are welded on the top of the mounting plate, and a horizontal first fixed column is welded on the opposite side of the fixed plate, and the outer side of the first fixed column rotates A placement board is socketed, and the placement board is located on the top of the vertical board, both ends of the placement board are provided with limiting components for restricting the canvas, and the side of the placement board near the vertical board is embedded with a controller and a display , the side of the mounting plate away from the vertical plate is provided with a mounting groove, and the inner side of the mounting groove is slidingly sleeved with a pressure column, the top of the pressure column is integrally provided with a block that runs through the mounting plate, and one end of the placement plate is provided There is a card slot adapted to the size of the block, and a first spring is fixed between the bottom of the pressure column and the installation plate, and the first spring is located inside the installation slot.

Preferably, the lifting assembly is a drive motor screwed and fixed on the top of the base, the drive motor is located inside the guide tube, and the output shaft of the drive motor is fixed with a vertically arranged threaded rod through a coupling, and the threaded rod The outer thread is sleeved with an inner thread pipe, and the top end of the inner thread pipe is welded to the mounting plate, and the controller is electrically connected to the driving motor.

Preferably, the inner threaded pipe is slidably sleeved on the inner side of the guide pipe, and the outer shape of the inner threaded pipe is rectangular, and the top of the clamping block is higher than the top of the mounting plate, and one end of the pressure column extends out of the mounting groove.

Preferably, the limit assembly includes guide rings welded on both sides of the placement plate, and the inner sides of the guide rings are slidably sleeved with pull posts, and the top ends of the pull posts are welded with a The bottom end of the pull column is integrally provided with a limit block located below the corresponding guide ring, and a fourth spring sleeved on the outside of the pull column is fixed between the limit block and the guide ring.

Preferably, it also includes a clamping assembly fixed on the side of the riser away from the mounting plate, the clamping assembly is used to place the canvas object upright, a power supply screwed on the side of the riser is arranged above the clamping assembly, and the control The model of the device is ATMEGA16.

Preferably, the clamping assembly includes a second fixing column welded on the side of the vertical plate away from the mounting plate, the end of the second fixing column away from the vertical plate is rotatably sleeved with a connecting rod, and both ends of the connecting rod are provided with Through holes, telescopic rods are inserted into the through holes, a second spring is fixed between the ends of the telescopic rods close to each other and the corresponding inner wall of the through hole, and a cross bar is fixed at the end of the telescopic rod far away from the second spring, so One side of the cross bar is integrally provided with a guide column, and the end of the guide column away from the telescopic rod is welded with a clamp block, and the side of the clamp block close to the connecting rod is provided with a jacket that is slidably sleeved on the outside of the guide column, and A third spring is fixed between the jacket and the cross bar.

Preferably, the width of the pressing rod is 1 cm, the cross-sectional shape of the tension column is rectangular, and the original length of the fourth spring is longer than the length of the tension column.

Preferably, the shape of the inner side of the jacket is rectangular, and the size and shape of the inner side of the jacket are consistent with the guide column, and the middle part of the connecting rod is provided with a mounting hole matching the size of the second fixing column, and the second fixing One end of the column is rotatably socketed in the installation hole, and the outer side of the second fixed column is fixedly socketed with a rubber ring, which is in close contact with the inner wall of the installation hole, and one side of the connecting rod is threaded with a lock that contacts the corresponding telescopic rod. Tighten the screws.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention not only enables the placement plate to be placed horizontally as a table when needed, but also facilitates teachers to draw and demonstrate manual Drawing operation, and the placement board can also be placed vertically so that the display leaks out to play manual operation demonstration animations, which is convenient for students to imitate and learn, and the entire demonstration device can be deformed and used according to needs.

2. The present invention not only can be used for manual painting or Other paintings that need to be displayed are clamped and placed vertically, which is convenient to combine with the display for demonstration teaching, making the teaching more vivid and easier for students to understand, and the distance between the two horizontal bars can be adjusted, which can fix paintings of different sizes to a certain extent .

3. The present invention can fix the canvas when the teacher paints through the setting of the guide ring, the pull column, the pressure rod, the limit block and the fourth spring, so as to avoid the disturbance of the canvas when painting and affect the teacher's painting, and bring convenience to the teacher .

4. The present invention can adjust the overall height of structures such as the mounting plate and the placing plate through the setting of the driving motor, the threaded rod and the internal threaded pipe, thereby making it convenient for users of different heights to use.

The structure design of the present invention is ingenious and novel, and can realize multi-function and multi-purpose, thereby bringing convenience to teachers' teaching, making the teaching and demonstration work of teachers simpler and more convenient, and is very suitable for popularization and use.

Description of drawings

Fig. 1 is the structural representation of a kind of preschool education that the present invention proposes with manual operation demonstration device;

Fig. 2 is a schematic diagram of the vertical placement of the placement board of a manual operation demonstration device for preschool education proposed by the present invention;

Fig. 3 is a side view installation schematic diagram of a limit assembly of a manual operation demonstration device for preschool education proposed by the present invention;

Fig. 4 is a schematic diagram of the clamping assembly of a manual operation demonstration device for preschool education proposed by the present invention;

Fig. 5 is a schematic side view of a crossbar of a manual operation demonstration device for preschool education proposed by the present invention.

In the figure: 1 base, 2 guide tube, 3 mounting plate, 4 vertical plate, 5 clamping assembly, 51 second fixing column, 52 connecting rod, 53 second spring, 54 telescopic rod, 55 horizontal bar, 56 guiding column, 57 jacket, 58 clip block, 59 third spring, 6 fixed plate, 7 first fixed column, 8 place plate, 9 controller, 10 display, 11 limit assembly, 111 guide ring, 112 pull column, 113 pressure bar , 114 limit block, 115 fourth spring, 12 power supply, 13 installation slot, 14 pressure post, 15 first spring, 16 block, 17 draw-in groove, 18 internal thread pipe, 19 driving motor, 20 threaded rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Referring to Figures 1-5, a manual operation demonstration device for preschool education includes a base 1, a guide tube 2 is welded vertically on the top of the base 1, a mounting plate 3 is arranged above the top of the guide tube 2, and one side of the mounting plate 3 A vertical plate 4 is integrally provided, and the inner side of the guide tube 2 is provided with a lifting assembly for adjusting the height of the mounting plate 3. The top of the mounting plate 3 is welded with a set of parallel fixed plates 6, and the opposite side of the fixed plate 6 is welded with a horizontal The first fixed column 7, the outer side of the first fixed column 7 is rotated and sleeved with a placement plate 8, and the placement plate 8 is located on the top of the vertical plate 4, and both ends of the placement plate 8 are provided with a limiting assembly 11 for limiting the canvas, And the side of the placement plate 8 close to the vertical plate 4 is embedded with a controller 9 and a display 10, and the side of the mounting plate 3 away from the vertical plate 4 is provided with a mounting groove 13, and the inner side of the mounting groove 13 is slidingly sleeved with a pressure column. 14. The top of the pressure column 14 is integrally provided with a block 16 that runs through the installation plate 3, and one end of the placement plate 8 is provided with a card slot 17 that fits the size of the block 16, and the bottom of the pressure column 14 and the installation plate 3 A first spring 15 is fixed, and the first spring 15 is located inside the mounting groove 13. The lifting assembly is a drive motor 19 screwed and fixed on the top of the base 1. The drive motor 19 is located inside the guide pipe 2, and the output of the drive motor 19 The shaft is fixed with a vertically arranged threaded rod 20 through a coupling, and the outer thread of the threaded rod 20 is sleeved with an internally threaded pipe 18, and the top of the internally threaded pipe 18 is welded to the mounting plate 3, and the controller 9 is electrically connected to the drive motor 19. The inner threaded pipe 18 is slidingly sleeved on the inner side of the guide pipe 2, and the outer shape of the inner threaded pipe 18 is rectangular, and the top of the block 16 is higher than the top of the mounting plate 3, and one end of the pressure column 14 protrudes out for installation. Groove 13, limit assembly 11 comprises the guide ring 111 that is welded on the both sides of placement plate 8, and the inner side of guide ring 111 is all slidably sleeved with pull column 112, and the top of pull column 112 is welded with place plate 8 away from display. 10 side of the pressure bar 113, and the bottom end of the pull column 112 is integrally provided with a limit block 114 located below the corresponding guide ring 111, and a stopper 114 sleeved on the outside of the pull column 112 is fixed between the limit block 114 and the guide ring 111. The fourth spring 115 also includes a clamping assembly 5 fixed on the side of the vertical plate 4 away from the mounting plate 3, the clamping assembly 5 is used to place the canvas object upright, and the top of the clamping assembly 5 is provided with screws fixed on the vertical plate 4- The power supply 12 on the side, and the model of the controller 9 is ATMEGA16, the clamping assembly 5 includes a second fixed column 51 welded on the side of the vertical plate 4 away from the mounting plate 3, and the second fixed column 51 is away from the rotating sleeve at one end of the vertical plate 4 Connecting rod 52 is connected, and the two ends of connecting rod 52 are all provided with through hole, and telescopic rod 54 is all inserted in through hole, and the second spring 53 is fixed between one end of telescopic rod 54 close to each other and corresponding through hole inner wall. , and the end of the telescopic rod 54 away from the second spring 53 is fixed with a cross bar 55, one side of the cross bar 55 is integrally provided with a guide post 56, and the end of the guide post 56 away from the telescopic rod 54 is welded with a clip 58, the clip 58 The side close to the connecting rod 52 is provided with a sliding The jacket 57 is sleeved on the outside of the guide column 56, and the third spring 59 is fixed between the jacket 57 and the cross bar 55. The width of the pressing bar 113 is 1CM, and the cross-sectional shape of the pull column 112 is rectangular, and the first The original length of the four springs 115 is greater than the length of the pull post 112, the inner side of the jacket 57 is rectangular in shape, and the size and shape of the inner side of the jacket 57 are consistent with the guide post 56, and the middle part of the connecting rod 52 is provided with a second fixed pin. The size of the column 51 is adapted to the mounting hole, and one end of the second fixed column 51 is rotatably socketed in the mounting hole, and the outer side of the second fixed column 51 is fixedly sleeved with a rubber ring, which is in close contact with the inner wall of the mounting hole, and connected One side of the rod 52 is screwed with a locking screw that contacts the corresponding telescopic rod 54 .

In the present invention, the placement board 8 can rotate around the first fixed column 7. When the placement board 8 is placed horizontally, the vertical board 4 can support the placement board 8 so that it can be placed horizontally and form a table. At this time, the teacher can The canvas is placed on the placement board 8 for manual drawing action demonstration. Students can watch the teacher's actions and imitate learning. Pulling up the set pressure bar 113 can pull the pull column 112 and then compress the fourth spring 115 by compressing the stopper 114. Now the picture is arranged between the pressure bar 113 and the placement plate 8, and the canvas can be pressed tightly under the elastic action of the fourth spring 115, so as to prevent the canvas from disturbing the teacher's painting when painting, and bring convenience to the teacher. After pressing down the column 14 with your hand, place the placement plate 8 vertically, release the pressure column 14 at this time, and the first spring 15 in the compressed state lifts the block 16 and inserts it into the slot 17, and the placement plate 8 is in the vertical position at this time. In the straight state, it can be used as a display board. The display 10 set at this time leaks out, and then can be used to play manual operation demonstration animations, which is convenient for students to imitate and learn. After clamping sleeve 57 and clamping block 58 are separated, the hand-painted or other paintings that need to be displayed by the teacher are placed between clamping sleeve 57 and clamping block 58, and now the third spring 59 in compressed state will make clamping sleeve 57 and clamping block 58 separate. The clamping block 58 is clamped, and then the hand-painted or other paintings that need to be displayed are clamped and placed vertically, which can not only be used for display demonstrations, but also can make the teaching more vivid by combining the paintings with the display 10 at this time. The set drive motor 19 Driving the threaded rod 20 to rotate can drive the inner threaded pipe 18 to go up and down under the action of the thread, and then adjust the overall height of the structures such as the mounting plate 3 and the placing plate 8, which is convenient for users of different heights.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (8)

1. A manual operation demonstration device for preschool education, comprising a base (1), the top of the base (1) is vertically welded with a guide tube (2), characterized in that a mounting plate (3), and one side of the mounting plate (3) is integrally provided with a vertical plate (4), and the inner side of the guide pipe (2) is provided with a lifting assembly for adjusting the height of the mounting plate (3), the mounting plate (3) ) is welded with a set of fixed plates (6) arranged in parallel, and the opposite side of the fixed plate (6) is welded with a horizontal first fixed column (7), and the outer side of the first fixed column (7) is rotated and socketed There is a placement board (8), and the placement board (8) is located on the top of the vertical board (4), and both ends of the placement board (8) are provided with limiting components (11) for restricting the canvas, and the placement board ( 8) A controller (9) and a display (10) are embedded and fixed on the side close to the vertical plate (4), and a mounting groove (13) is provided on the side of the mounting plate (3) away from the vertical plate (4), And the inner side of the installation groove (13) is slidingly sleeved with a pressure column (14), and the top of the pressure column (14) is integrally provided with a block (16) that runs through the installation plate (3), and the place plate (8) One end is provided with a card slot (17) adapted to the size of the block (16), and a first spring (15) is fixed between the bottom of the pressure column (14) and the mounting plate (3), and the first spring ( 15) Located on the inner side of the mounting groove (13). 2. A manual operation demonstration device for preschool education according to claim 1, characterized in that the lifting assembly is a drive motor (19) screwed and fixed on the top of the base (1), and the drive motor (19) is located at The inner side of the guide pipe (2), and the output shaft of the drive motor (19) is fixed with a vertically arranged threaded rod (20) through a coupling, and the outer thread of the threaded rod (20) is sleeved with an internal threaded pipe ( 18), and the top of the internal thread pipe (18) is welded to the mounting plate (3), and the controller (9) is electrically connected to the drive motor (19). 3. A manual operation demonstration device for preschool education according to claim 2, characterized in that the inner threaded pipe (18) is slidably sleeved on the inner side of the guide pipe (2), and the inner threaded pipe (18) The outer shape of the outside is rectangular, and the top of the block (16) is higher than the top of the mounting plate (3), and one end of the pressure column (14) protrudes from the mounting groove (13). 4. A manual operation demonstration device for preschool education according to claim 1, characterized in that, the limit assembly (11) includes guide rings (111) welded on both sides of the placement plate (8), and guides The inner side of the ring (111) is slidably sleeved with a pull column (112), and the top of the pull column (112) is welded with a pressure bar (113) on the side of the placement plate (8) away from the display (10). And the bottom end of the pull column (112) is integrally provided with a limit block (114) located below the corresponding guide ring (111), and a pull-in sleeve is fixed between the limit block (114) and the guide ring (111). A fourth spring (115) outside the column (112). 5. A manual operation demonstration device for preschool education according to claim 1, 3 or 4, characterized in that it also includes a clamping assembly (5) fixed on the side of the vertical board (4) away from the installation board (3) ), the clamping component (5) is used to place the canvas object upright, the power supply (12) fixed on the side of the vertical plate (4) is arranged on the top of the clamping component (5), and the controller (9) The model is ATMEGA16. 6. A manual operation demonstration device for preschool education according to claim 5, characterized in that, the clamping assembly (5) includes a second The fixed column (51), the end of the second fixed column (51) away from the vertical plate (4) is rotatably fitted with a connecting rod (52), and both ends of the connecting rod (52) are provided with through holes, and the through holes Both are plugged with telescopic rods (54), and a second spring (53) is fixed between one end of the telescopic rods (54) close to each other and the inner wall of the corresponding through hole, and the telescopic rods (54) are far away from the second spring (53) ) is fixed with a crossbar (55), one side of the crossbar (55) is integrally provided with a guide post (56), and the end of the guide post (56) away from the telescopic rod (54) is welded with a clamp block (58 ), the side of the clamping block (58) close to the connecting rod (52) is provided with a jacket (57) slidingly sleeved on the outside of the guide column (56), and the jacket (57) and the cross bar (55) A third spring (59) is fixed between them. 7. A manual operation demonstration device for preschool education according to claim 4, characterized in that the width of the pressing rod (113) is 1 cm, and the cross-sectional shape of the pulling rod (112) is rectangular, and the first The original length of four springs (115) is greater than the length of stay post (112). 8. A manual operation demonstration device for preschool education according to claim 6, characterized in that the inner side of the jacket (57) is rectangular in shape, and the size and shape of the inner side of the jacket (57) are consistent with the guide The columns (56) are consistent, and the middle part of the connecting rod (52) is provided with a mounting hole matching the size of the second fixed column (51), and one end of the second fixed column (51) is rotatably socketed in the mounting hole, and The outer side of the second fixed column (51) is fixedly sleeved with a rubber ring, which is in close contact with the inner wall of the mounting hole, and one side of the connecting rod (52) is threaded with a locking screw that contacts the corresponding telescopic rod (54).