CN214067986U

CN214067986U - Teaching demonstration teaching aid

Info

Publication number: CN214067986U
Application number: CN202022728244.5U
Authority: CN
Inventors: 赵雪丽; 朱娜; 郭峙男; 郭煜瑾
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-27
Anticipated expiration: 2030-11-23

Abstract

The utility model belongs to the technical field of teaching show teaching aid, a teaching show teaching aid is related to, wherein, the on-line screen storage device comprises a base, first recess has been seted up at the base top, first recess inner wall bottom fixedly connected with fixed plate and third bearing, fixed plate top fixedly connected with motor, fixedly connected with driving gear on the output shaft of motor. Its beneficial effect is, this foreign language vocabulary teaching show teaching aid, through setting up the motor, motor during operation, thereby can drive the driving gear and rotate and drive driven gear and rotate, it rotates to drive the screw thread post, under the screw-thread fit of screw thread post and screw thread section of thick bamboo and first round pin axle, under the clearance fit of second round pin axle and third round pin axle and the sliding fit of sliding sleeve and slide bar, thereby it reciprocates to drive the box, it reciprocates to drive the show board, thereby realize carrying out height control's purpose to the show board, and then carry out the teaching of co-altitude not, whole device is rational in infrastructure, high durability and convenient use, therefore, the clothes hanger is strong in practicability.

Description

Teaching demonstration teaching aid

Technical Field

The utility model belongs to the technical field of teaching show teaching aid, concretely relates to teaching show teaching aid.

Background

Most foreign language vocabulary teaching show teaching aid can only the coplanar generally carry out the projection at present, can not outwards pull out the blackboard in the projection and write and read, and the function of teaching is more single, and in addition, a lot of devices can not height-adjusting and angle, and the classmate that influences different angles learns, and the learning effect is poor.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a teaching show teaching aid, it has solved the teaching function singleness and can not height-adjusting's technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching and display teaching aid comprises a base, wherein a first groove is formed in the top of the base, a fixing plate and a third bearing are fixedly connected to the bottom of the inner wall of the first groove, a motor is fixedly connected to the top of the fixing plate, a driving gear is fixedly connected to an output shaft of the motor, a second rotating shaft is rotatably connected to the third bearing, a driven gear is fixedly connected to the surface of the second rotating shaft, the driving gear is meshed with the driven gear, a threaded column is fixedly connected to the second rotating shaft, a threaded cylinder is connected to the surface of the threaded column in a threaded manner, a box body is fixedly connected to the top of the threaded cylinder, a first fixing block is fixedly connected to the bottom of the box body, and a first bearing is fixedly connected to the top of the box body;

the utility model discloses a blackboard, including first bearing, first pivot fixed surface is connected with the show board, first pivot one end is passed show board and fixedly connected with carousel, the second recess has been seted up to the show board side, sliding connection has the stretch blackboard in the second recess, stretch blackboard one end fixedly connected with connecting plate.

As a further aspect of the present invention: the base top has been seted up the third recess, third recess inner wall side fixedly connected with slide bar, slide bar surface sliding connection has the sliding sleeve, sliding sleeve top fixedly connected with second fixed block, second fixed block front side has the movable rod through third round pin axle swing joint, through second round pin axle swing joint between the movable rod, first fixed block front side is through first round pin axle and movable rod top swing joint.

As a further aspect of the present invention: a drawer is connected in the box body in a sliding mode, and a handle is fixedly connected to the front side of the drawer.

As a further aspect of the present invention: the second groove is characterized in that sliding grooves are formed in the top and the bottom of the second groove, sliding blocks are connected in the sliding grooves in a sliding mode, and the bottom and the top of each sliding block are fixedly connected with the top and the bottom of the extension blackboard respectively.

As a further aspect of the present invention: the base bottom is close to the equal fixedly connected with universal wheel in position in four corners, the slide rail has been seted up at the box top, sliding connection has the pulley in the slide rail, pulley fixed connection is in the show board bottom.

As a further aspect of the present invention: the base front side fixedly connected with control panel, control panel passes through the wire and each uses electrical apparatus electric connection.

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

1. this teaching show teaching aid, through setting up the motor, the motor during operation, thereby can drive the driving gear and rotate and drive driven gear and rotate, drive the screw thread post and rotate, under the screw-thread fit of screw thread post and screw thread section of thick bamboo with first round pin axle, under the clearance fit of second round pin axle and third round pin axle and the sliding fit of sliding sleeve and slide bar, thereby drive the box and reciprocate, drive the show board and reciprocate, thereby realize carrying out the purpose of altitude mixture control to the show board, and then carry out the teaching of co-altitude not.

2. This teaching show teaching aid through rotating the carousel, can drive first pivot rotation and drive the pulley rotation, and then realizes carrying out stable pivoted purpose to the show board to adjust the angle of show board, and then better teaching.

3. This teaching show teaching aid through pulling the connecting plate, under the sliding fit of spout and slider, can pull out stretching the blackboard, and then realizes writing when the projection teaching reads to better show the teaching to the student, promote teaching efficiency, through setting up the drawer, can place the teaching aid, avoid causing the condition of losing, whole device is rational in infrastructure, convenient to use, the practicality is strong.

Drawings

In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure of the present invention at B in FIG. 1;

fig. 4 is a schematic three-dimensional structure of the present invention;

in the figure: 1. a base; 2. a fixing plate; 3. a motor; 4. a first groove; 5. a threaded barrel; 6. a box body; 7. a slide rail; 8. a pulley; 9. a handle; 10. a display board; 11. stretching the blackboard; 12. a connecting plate; 13. a turntable; 14. a first rotating shaft; 15. a chute; 16. a slider; 17. a second groove; 18. a first bearing; 19. a drawer; 20. a first fixed block; 21. a first pin shaft; 22. a movable rod; 23. a universal wheel; 24. a third groove; 25. a sliding sleeve; 26. a slide bar; 27. a second fixed block; 28. a second pin shaft; 29. a third pin shaft; 30. a third bearing; 31. a driven gear; 32. a second rotating shaft; 33. a threaded post; 34. a driving gear; 35. a control panel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a teaching show teaching aid, includes base 1, and first recess 4 has been seted up at base 1 top, and 4 inner wall bottoms fixedly connected with fixed plate 2 and third bearing 30 of first recess, 2 top fixedly connected with motors 3 of fixed plate, fixedly connected with driving gear 34 on motor 3's the output shaft, and the internal rotation of third bearing 30 is connected with second pivot 32, and second pivot 32 fixed surface is connected with driven gear 31, and driving gear 34 and driven gear 31 mesh mutually.

The second rotating shaft 32 is fixedly connected with a threaded column 33, the surface of the threaded column 33 is in threaded connection with a threaded cylinder 5, by arranging the motor 3, when the motor 3 works, the driving gear 34 can be driven to rotate so as to drive the driven gear 31 to rotate, the threaded column 33 is driven to rotate, under the threaded fit of the threaded column 33 and the threaded cylinder 5, under the movable fit of the first pin shaft 21, the second pin shaft 28 and the third pin shaft 29 and under the sliding fit of the sliding sleeve 25 and the sliding rod 26, the box body 6 is driven to move up and down, the display board 10 is driven to move up and down, so that the purpose of adjusting the height of the display board 10 is realized, and further teaching with different heights is carried out, the top of the threaded cylinder 5 is fixedly connected with the box body 6, the box body 6 is internally and slidably connected with a drawer 19, the front side of the drawer 19 is fixedly connected with a handle 9, by arranging the drawer 19, teaching tools can be placed, and the loss is avoided, the bottom of the box body 6 is fixedly connected with a first fixing block 20, and the top of the box body 6 is fixedly connected with a first bearing 18.

18 internal rotations of first bearing are connected with

first pivot

14, and 14 fixed surface of first pivot are connected with

show board

10, and 14 one ends of first pivot are passed show board 10 and fixedly connected with carousel 13, through rotating carousel 13, can drive 14 rotations of first pivot and drive pulley 8 and rotate, and then realize carrying out stable pivoted purpose to show board 10 to adjust the angle of show board 10, and then better teaching.

Second recess 17 has been seted up to show board 10 side, spout 15 has all been seted up to second recess 17 top and bottom, sliding connection has slider 16 in spout 15, slider 16's bottom and top respectively with stretch the top and the bottom fixed connection of drawing blackboard 11, sliding connection has stretch blackboard 11 in second recess 17, stretch 11 one end fixedly connected with connecting plate 12 of drawing blackboard, through pulling connecting plate 12, under spout 15 and slider 16's sliding fit, can pull out stretching blackboard 11, and then realize writing when the projection teaching and reading, thereby the better shows the teaching to the student, promote teaching efficiency.

Specifically, a third groove 24 is formed in the top of the base 1, a sliding rod 26 is fixedly connected to the side face of the inner wall of the third groove 24, a sliding sleeve 25 is slidably connected to the surface of the sliding rod 26, a second fixing block 27 is fixedly connected to the top of the sliding sleeve 25, a movable rod 22 is movably connected to the front side of the second fixing block 27 through a third pin shaft 29, the left movable rod 22 and the right movable rod 22 are movably connected through a second pin shaft 28, and the front side of the first fixing block 20 is movably connected to the top of the movable rod 22 through a first pin shaft 21.

Specifically, base 1 front side fixedly connected with control panel 35, control panel 35 pass through the wire and each with electrical apparatus electric connection, through setting up control panel 35, make things convenient for user of service to control each with electrical apparatus's operating condition.

The utility model discloses a theory of operation does:

s1, when in use, the device is moved to a use position through the universal wheel 23, then the control panel 35 is operated to start the motor 3, when the motor 3 works, the driving gear 34 is driven to rotate so as to drive the driven gear 31 to rotate, the threaded column 33 is driven to rotate, under the threaded fit of the threaded column 33 and the threaded cylinder 5, under the movable fit of the first pin shaft 21, the second pin shaft 28 and the third pin shaft 29 and under the sliding fit of the sliding sleeve 25 and the sliding rod 26, the box body 6 is driven to move up and down, the display board 10 is driven to move up and down, and the height of the display board 10 is adjusted;

s2, after the height adjustment is finished, projecting the projection onto the display board 10 for teaching, in the process of the teaching, taking out the teaching auxiliary tool in the drawer 19 for matching use, then pulling out the connecting board 12 outwards, and pulling out the stretching blackboard 11 under the sliding matching of the sliding groove 15 and the sliding block 16, so that writing and reading can be carried out while the projection teaching is carried out, thereby better showing and teaching students and improving the teaching efficiency;

s3, when needing to demonstrate students in different positions, the rotary table 13 can be rotated to drive the pulley 8 to rotate by the rotation of the first rotating shaft 14, so that the display board 10 can be stably rotated, the angle of the display board 10 can be adjusted, and the teaching can be demonstrated to the students in different positions.

Claims

1. The utility model provides a teaching show teaching aid, includes base (1), its characterized in that: a first groove (4) is formed in the top of the base (1), a fixing plate (2) and a third bearing (30) are fixedly connected to the bottom of the inner wall of the first groove (4), the top of the fixed plate (2) is fixedly connected with a motor (3), an output shaft of the motor (3) is fixedly connected with a driving gear (34), a second rotating shaft (32) is rotationally connected in the third bearing (30), a driven gear (31) is fixedly connected on the surface of the second rotating shaft (32), the driving gear (34) is meshed with the driven gear (31), the second rotating shaft (32) is fixedly connected with a threaded column (33), the surface of the threaded column (33) is in threaded connection with a threaded cylinder (5), the top of the threaded cylinder (5) is fixedly connected with a box body (6), the bottom of the box body (6) is fixedly connected with a first fixing block (20), and the top of the box body (6) is fixedly connected with a first bearing (18);

first bearing (18) internal rotation is connected with first pivot (14), first pivot (14) fixed surface is connected with show board (10), show board (10) and fixedly connected with carousel (13) are passed to first pivot (14) one end, second recess (17) have been seted up to show board (10) side, sliding connection stretches blackboard (11) in second recess (17), stretch and stretch blackboard (11) one end fixedly connected with connecting plate (12).

2. A teaching display teaching aid as claimed in claim 1, wherein: third recess (24) have been seted up at base (1) top, third recess (24) inner wall side fixedly connected with slide bar (26), slide bar (26) sliding surface is connected with sliding sleeve (25), sliding sleeve (25) top fixedly connected with second fixed block (27), second fixed block (27) front side has movable rod (22) through third round pin axle (29) swing joint, through second round pin axle (28) swing joint between movable rod (22), first fixed block (20) front side is through first round pin axle (21) and movable rod (22) top swing joint.

3. A teaching display teaching aid as claimed in claim 1, wherein: a drawer (19) is connected in the box body (6) in a sliding mode, and a handle (9) is fixedly connected to the front side of the drawer (19).

4. A teaching display teaching aid as claimed in claim 1, wherein: spout (15) have all been seted up to second recess (17) top and bottom, sliding connection has slider (16) in spout (15), the bottom and the top of slider (16) respectively with stretch the top and the bottom fixed connection of drawing blackboard (11).

5. A teaching display teaching aid as claimed in claim 1, wherein: the base (1) bottom is close to equal fixedly connected with universal wheel (23) in position in four corners, slide rail (7) have been seted up at box (6) top, sliding connection has pulley (8) in slide rail (7), pulley (8) fixed connection is in show board (10) bottom.

6. A teaching display teaching aid as claimed in claim 1, wherein: base (1) front side fixedly connected with control panel (35), control panel (35) pass through the wire and each use electrical apparatus electric connection.