Height-adjustable display teaching aid for education and teaching

Abstract

The utility model relates to the technical field of teaching supplies, and discloses a height-adjustable display teaching aid for education and teaching, which comprises a box body, a rotating disc is rotatably connected in the box body, a lifting column is slidably connected in the box body, a toothed plate is fixedly connected to one side of the outer wall of the lifting column, the rotating disc is meshed with the toothed plate, and the rotating disc is meshed with the toothed plate. A first spring is fixedly connected to the interior of the lifting column, one end of the first spring is fixedly connected with a limiting block, the outer wall of the limiting block is slidably connected to the interior of the first sliding groove, rotating blocks are rotatably connected to the two sides of the outer wall of the lifting column, and a rotating mechanism is arranged on one side of the outer wall of the box body. Through cooperation of the box body, the rotating disc, the toothed plate, the lifting column and the telescopic rod, the effect of adjusting the height of the display board is achieved, the problems that when a traditional education teaching display teaching aid is used, the height of the teaching aid cannot be adjusted, and the requirements of different teaching scenes cannot be met are solved, and the practicability of the teaching aid is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching supplies, in particular to a height-adjustable display teaching aid for education and teaching. Background Art

[0002] The use of display teaching aids in education and teaching plays an important role in promoting students' learning. These teaching aids can show students abstract concepts and theories in an intuitive way. Through display teaching aids, teachers can transform complex knowledge content into a figurative and visual form, so that students can understand and comprehend it more intuitively. From the traditional teacher-centered teaching model to the student-centered teaching model, display teaching aids are gradually introduced into teaching. This teaching model focuses on stimulating students' initiative and participation. As an intuitive and vivid teaching method, display teaching aids can better meet students' learning needs.

[0003] In traditional education and teaching, the use of educational teaching display aids requires choosing a suitable location in the classroom to place the scaffolding display aids. After choosing the location, install the bracket or shelf, and place the display aids on the bracket to ensure that it is stable and clearly displayed to students, so that the display effect of the teaching aids is the best, and students can clearly see and understand the content of the display. Teachers can effectively use scaffolding display aids for teaching, improving students' learning effect and participation.

[0004] However, when using traditional educational teaching aids, teachers cannot adjust the height of the teaching aids according to the students' height and eye level, resulting in some students being unable to clearly see the displayed content, which may affect their understanding of the knowledge and learning effects. In addition, teaching aids that cannot be adjusted in height may not meet the needs of different teaching scenarios. For example, in classrooms of different grades or when conducting specific types of teaching activities, the height of the teaching aids may need to be adjusted to adapt to different situations. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a height-adjustable display teaching aid for education and teaching, aiming to improve the problem that when traditional education and teaching aids are used, teachers cannot adjust the height of the teaching aids according to the height and eye level of students.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a height-adjustable display teaching aid for education and teaching, comprising a box body, a turntable rotatably connected inside the box body, a lifting column slidably connected inside the box body, a toothed plate fixedly connected to one side of the outer wall of the lifting column, the turntable meshing with the toothed plate, a slide groove is opened inside the lifting column, a spring is fixedly connected inside the lifting column, one end of the spring is fixedly connected to a limiting block, the outer wall of the limiting block is slidably connected to the inside of the slide groove, rotating blocks are rotatably connected to both sides of the outer wall of the lifting column, an exhibition board is fixedly connected to the top of the rotating block, a hinge is fixedly connected to one side of the outer wall of the exhibition board, a telescopic rod is rotatably connected inside the box body, the output end of the telescopic rod is rotatably connected to the bottom of the exhibition board, and a rotating mechanism is provided on one side of the outer wall of the box body.

[0007] Furthermore, the rotating mechanism includes a hinge 2 and a cover, one end of the hinge 2 is fixedly connected to one side of the outer wall of the box body, and the other end of the hinge 2 is fixedly connected to the bottom of the cover.

[0008] Furthermore, wheels are rotatably connected to both sides of the outer wall of the box, a groove is provided on one side of the interior of the box, a handle 1 is rotatably connected to the interior of the box, and the outer wall of the handle 1 is slidably connected to the interior of the groove.

[0009] Furthermore, a second spring is arranged inside the box body, and one end of the second spring is fixedly connected to the outer wall of the first handle.

[0010] Furthermore, an outer shell is fixedly connected to the interior of the box body, and an inner shell is slidably connected to the interior of the outer shell.

[0011] Furthermore, a plurality of slide grooves 2 are provided inside the outer shell and the box body, and the inner shell is provided with the slide groove 2.

[0012] Furthermore, a handle 2 is fixedly connected to the top of the inner shell, a spring 3 is arranged inside the handle 2, the handle 2 is slidably connected to the transmission block, one end of the spring 3 is fixedly connected to one side of the outer wall of the transmission block, and both sides of the outer wall of the transmission block are slidably connected to the inside of the inner shell.

[0013] Furthermore, a rectangular block is rotatably connected inside the transmission block, an outer wall of the rectangular block is rotatably connected to the inside of the inner shell, and a limiting column is fixedly connected to one side of the outer wall of the rectangular block.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the height of the display board can be adjusted through the cooperation between the box, the turntable, the tooth plate, the lifting column and the telescopic rod, which solves the problem that the height of the traditional educational and teaching display aids cannot be adjusted during use and may not meet the needs of different teaching scenes, thereby improving the practicability of the teaching aids.

[0016] 2. In the utility model, the outer shell, the inner shell, the transmission block, the limit column, the rectangular block, the second handle and the wheels are coordinated to achieve the effect of pulling the device, thereby solving the problem that traditional educational and teaching display aids are inconvenient to move and cannot be adjusted or rearranged as needed, thereby improving flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a height-adjustable display teaching aid for education and teaching proposed by the utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of a lifting column of a height-adjustable display teaching aid for education and teaching proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the hinge structure of a height-adjustable display teaching aid for education and teaching proposed by the utility model;

[0020] Figure 4 The utility model is a schematic cross-sectional view of a box of a height-adjustable display teaching aid for education and teaching.

[0021] Legend:

[0022] 1. Box body; 2. Turntable; 3. Tooth plate; 4. Lifting column; 5. Slide 1; 6. Limit block; 7. Rotating block; 8. Spring 1; 9. Display board; 10. Hinge 1; 11. Telescopic rod; 12. Cover; 13. Hinge 2; 14. Wheel; 15. Groove; 16. Handle 1; 17. Spring 2; 18. Outer shell; 19. Inner shell; 20. Transmission block; 21. Limit column; 22. Slide 2; 23. Rectangle block; 24. Handle 2; 25. Spring 3. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1 - Figure 3, the utility model provides an embodiment: a height-adjustable display teaching aid for education and teaching, including a box body 1, a turntable 2 is rotatably connected inside the box body 1, a lifting column 4 is slidably connected inside the box body 1, a tooth plate 3 is fixedly connected to one side of the outer wall of the lifting column 4, the turntable 2 is meshed with the tooth plate 3, a slide groove 5 is opened inside the lifting column 4, a spring 8 is fixedly connected inside the lifting column 4, one end of the spring 8 is fixedly connected to a limit block 6, the outer wall of the limit block 6 is slidably connected inside the slide groove 5, both sides of the outer wall of the lifting column 4 are rotatably connected with rotating blocks 7, the top of the rotating block 7 is fixedly connected with an exhibition board 9, and one side of the outer wall of the exhibition board 9 is fixedly connected with a hinge 10, a telescopic rod 11 is rotatably connected inside the box body 1, the output end of the telescopic rod 11 is rotatably connected to the bottom of the exhibition board 9, and a rotating mechanism is provided on one side of the outer wall of the box body 1;

[0025] Specifically, when using the height-adjustable display teaching aid for education and teaching, after opening the lid 12, rotate the turntable 2, and then rotate the display board 9 to make it stand up, and continue to rotate the turntable 2 according to the required height. When the display board 9 is raised, the telescopic rod 11 will also extend with the rise of the display board 9. The height adjustment mechanism has a self-locking function to prevent the display board 9 from accidentally falling during use, thereby affecting the teaching progress, and the telescopic rod 11 can support the display board 9. A limit assembly is arranged inside the lifting column 4, and the angle of the display board 9 can be fixed through the cooperation of the spring 8 and the limit block 6.

[0026] Reference Figure 2 - Figure 4 The rotating mechanism includes a hinge 13 and a cover 12, one end of the hinge 13 is fixedly connected to one side of the outer wall of the box body 1, and the other end of the hinge 13 is fixedly connected to the bottom of the cover 12;

[0027] Specifically, when the educational and teaching height-adjustable display teaching aid is not in use, the cover 12 can be rotated to cover the display board 9. The cover 12 can protect the interior of the device from the intrusion of external substances such as dust, liquid, and debris, thereby extending the service life and stability of the device.

[0028] Reference Figure 2 - Figure 4, wheels 14 are rotatably connected to both sides of the outer wall of the box body 1, a groove 15 is provided on one side of the inner side of the box body 1, a handle 16 is rotatably connected to the inner side of the box body 1, the outer wall of the handle 16 is slidably connected to the inner side of the groove 15, a spring 2 17 is provided inside the box body 1, one end of the spring 2 17 is fixedly connected to the outer wall of the handle 16, an outer shell 18 is fixedly connected to the inner side of the box body 1, an inner shell 19 is slidably connected to the inner side of the outer shell 18, a plurality of slide grooves 22 are provided inside the outer shell 18 and the inner side of the box body 1, and the inner shell 19 is provided with a plurality of slide grooves 22. A second slide groove 22 is provided on the inner shell 19, a second handle 24 is fixedly connected to the top of the inner shell 19, a third spring 25 is arranged inside the second handle 24, the second handle 24 is slidably connected to the transmission block 20, one end of the third spring 25 is fixedly connected to one side of the outer wall of the transmission block 20, both sides of the outer wall of the transmission block 20 are slidably connected to the inner shell 19, a rectangular block 23 is rotatably connected to the transmission block 20, the outer wall of the rectangular block 23 is rotatably connected to the inner shell 19, and one side of the outer wall of the rectangular block 23 is fixedly connected to the limiting column 21;

[0029] Specifically, when the height-adjustable display teaching aid for education and teaching needs to be moved, the transmission block 20 is first pushed, and the transmission block 20 will drive the limit column 21 to move. The limit column 21 can be separated from the slide groove 22 to stretch or shrink the inner shell 19, which is convenient for moving the teaching aid.

[0030] Working principle: when using the height-adjustable display teaching aid for education and teaching, first open the cover 12, then rotate the turntable 2 to let the display board 9 rise a certain distance first, then rotate the display board 9 to stand it up and clamp it, if the height of the display board 9 is too low, you can continue to rotate the turntable 2 to adjust the display board 9 to a suitable height, which can meet the needs of different teaching scenarios. When use is finished, pull the limit block 6 to the left, at this time, the rotating block 7 can be rotated and retracted, so that the display board 9 is retracted into the box body 1. When moving the device, first push the transmission block 20, and then after the inner shell 19 is extended to a suitable length, release the transmission block 20. At this time, under the action of the spring 25, the transmission block 20 is reset, and drives the limit column 21 to move to the second slide slot 22 to fix the height of the mechanism, and then the device can be pulled by the second handle 24. After the movement is completed, press the transmission block 20 to retract the inner shell 19 into the box body 1.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A height-adjustable display teaching aid for education and teaching, comprising a box (1), characterized in that: A turntable (2) is rotatably connected inside the box (1), a lifting column (4) is slidably connected inside the box (1), a tooth plate (3) is fixedly connected to one side of the outer wall of the lifting column (4), the turntable (2) meshes with the tooth plate (3), a slide groove (5) is provided inside the lifting column (4), a spring (8) is fixedly connected inside the lifting column (4), one end of the spring (8) is fixedly connected to a limit block (6), the outer wall of the limit block (6) is slidably connected inside the slide groove (5), both sides of the outer wall of the lifting column (4) are rotatably connected to rotating blocks (7), the top of the rotating block (7) is fixedly connected to an exhibition board (9), and one side of the outer wall of the exhibition board (9) is fixedly connected to a hinge (10), a telescopic rod (11) is rotatably connected inside the box (1), the output end of the telescopic rod (11) is rotatably connected to the bottom of the exhibition board (9), and a rotating mechanism is provided on one side of the outer wall of the box (1).

2. The height-adjustable display teaching aid for education and teaching according to claim 1, characterized in that: The rotating mechanism comprises a hinge 2 (13) and a cover (12), wherein one end of the hinge 2 (13) is fixedly connected to one side of the outer wall of the box body (1), and the other end of the hinge 2 (13) is fixedly connected to the bottom of the cover (12).

3. The height-adjustable display teaching aid for education and teaching according to claim 2, characterized in that: Wheels (14) are rotatably connected to both sides of the outer wall of the box body (1), a groove (15) is provided on one side of the interior of the box body (1), a handle (16) is rotatably connected to the interior of the box body (1), and the outer wall of the handle (16) is slidably connected to the interior of the groove (15).

4. The height-adjustable display teaching aid for education and teaching according to claim 3, characterized in that: A second spring (17) is arranged inside the box body (1), and one end of the second spring (17) is fixedly connected to the outer wall of the first handle (16).

5. The height-adjustable display teaching aid for education and teaching according to claim 1, characterized in that: An outer shell (18) is fixedly connected to the interior of the box body (1), and an inner shell (19) is slidably connected to the interior of the outer shell (18).

6. The height-adjustable display teaching aid for education and teaching according to claim 5, characterized in that: The outer shell (18) and the box body (1) are both provided with a plurality of second slide grooves (22), and the inner shell (19) is provided with the second slide groove (22).

7. The height-adjustable display teaching aid for education and teaching according to claim 6, characterized in that: A handle 2 (24) is fixedly connected to the top of the inner shell (19), a spring 3 (25) is arranged inside the handle 2 (24), the handle 2 (24) is slidably connected to the transmission block (20), one end of the spring 3 (25) is fixedly connected to one side of the outer wall of the transmission block (20), and both sides of the outer wall of the transmission block (20) are slidably connected to the inside of the inner shell (19).

8. The height-adjustable display teaching aid for education and teaching according to claim 7, characterized in that: A rectangular block (23) is rotatably connected inside the transmission block (20), an outer wall of the rectangular block (23) is rotatably connected inside the inner shell (19), and a limiting column (21) is fixedly connected to one side of the outer wall of the rectangular block (23).

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