Novel teaching platform
By designing a cleaning and height adjustment mechanism on the lectern, the problems of chalk dust cleaning and height adjustment are solved, enabling automatic cleaning and flexible height adjustment of the lectern to meet the needs of different teachers.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-03-31
AI Technical Summary
The existing teaching podiums cannot effectively remove chalk dust and cannot be adjusted in height according to the teacher's height, making them inconvenient to use.
A lectern with a cleaning mechanism and a height adjustment mechanism was designed. The cleaning mechanism achieves surface cleaning by driving a threaded screw and a cleaning plate with an electric motor, while the height adjustment mechanism achieves height adjustment by driving a bevel gear and a threaded screw with an electric motor.
It enables automatic cleaning of the podium surface and flexible height adjustment, meeting the needs of teachers of different heights and improving ease of use and cleanliness.
Smart Images

Figure CN224055553U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of teaching aids technology, and in particular to a novel teaching podium. Background Technology
[0002] The lectern, a key facility in the classroom, is the focal point for knowledge dissemination and teacher-student interaction. Typically located prominently at the front of the classroom, its unique functional design provides solid support and assurance for teaching activities. The lectern's design aims to meet the teacher's teaching needs, facilitating operation and reducing fatigue from long lectures. It can hold teaching tools such as computers, projector remotes, textbooks, and lesson plans, ensuring teachers have easy access to necessary items and a smooth teaching process. Some lecterns also feature drawers and cabinets for storing spare teaching materials, stationery, and multimedia equipment accessories, effectively maintaining a clean and organized teaching area. The lectern is not merely a physical facility; it is a sacred space where teachers showcase their teaching charm and guide students in exploring knowledge. It has witnessed countless moments of intellectual enlightenment and spiritual exchange, playing an indispensable role on the stage of education.
[0003] For example, patent CN213785994U discloses a multifunctional lectern for teaching, including a lectern body. In this technical solution, through the combination of the lectern body, chalk storage box, fixing plate, lectern armrest, chalk inlet, chalk tip inlet, chalk tip retrieval box, chalk tip retrieval port, chalk inlet plate, chalk outlet plate, rotating roller, sorting plate, knob, opening and closing door, transmission block, pull block, transmission rod, spring, limiting fixing plate, L-shaped push plate, fine chalk and coarse chalk, the purpose of separating fine and coarse chalk can be achieved. Furthermore, used chalk tips can be placed in the chalk tip inlet for collection and reuse. This keeps the lectern body tabletop clean and also allows for the sieving and storage of chalk.
[0004] When using the above technology, the following technical problems were found in the existing technology: During the teaching process, teachers inevitably use chalk to write on the blackboard, which will generate chalk dust. Chalk dust will fall on the surface of the podium. If it is not cleaned, it will easily dirty the teacher's clothes. In addition, the existing multi-functional teaching podium cannot be height adjusted as needed to meet the needs of teachers of different heights. Therefore, there is room for improvement. To address this, we designed a new type of teaching podium to provide another technical solution to the above technical problems. Utility Model Content
[0005] Therefore, it is necessary to provide a new type of teaching podium to address the aforementioned technical problems, thereby solving the technical issues of cleaning the podium surface and adjusting the podium height.
[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0007] A novel teaching podium includes a tabletop and a mounting block. The mounting block is fitted to the bottom of the tabletop, a cleaning mechanism is fitted inside the tabletop, and a height adjustment mechanism is fitted between the tabletop and the mounting block.
[0008] The cleaning mechanism includes a first motor, a first threaded screw, a first bearing, a cleaning plate, a cleaning brush, a guide rod, and a collection port. The first motor is fixed to one corner inside the tabletop. The first threaded screw is fixed to the power output end of the first motor. The first bearing is fixed to the outside of one end of the first threaded screw. The first bearing is fixed to the tabletop. The cleaning plate is threadedly connected to the outside of the first threaded screw. The cleaning brush is fixed to the bottom of the cleaning plate. The guide rod is slidably connected to one end of the cleaning plate. Both ends of the guide rod are fixed to the tabletop. A collection port is provided at the top end of the tabletop.
[0009] Preferably, the height adjustment mechanism includes a second motor, a first bevel gear, a second bevel gear, a transmission rod, a third bevel gear, a fourth bevel gear, a U-shaped groove plate, a U-shaped mating plate, a second threaded screw, and a second bearing. The second motor is fixed inside the mounting block. The first bevel gear is fixed to the power output end of the second motor. The second bevel gear is externally meshed with the first bevel gear. The transmission rod is fixed inside the second bevel gear and rotatably connected to the mounting block. Third bevel gears are fixed to both ends of the transmission rod. The fourth bevel gear is externally meshed with the third bevel gear. A U-shaped groove plate is fixed to the top of the mounting block. A U-shaped mating plate is slidably connected inside the U-shaped groove plate. A second threaded screw is fixed to the top of the fourth bevel gear. A second bearing is fixed to the outside of the second threaded screw. The second bearing is fixed to the U-shaped groove plate. The U-shaped mating plate is threadedly connected to the outside of the second threaded screw. The top of the U-shaped mating plate is fixed to the tabletop.
[0010] Preferably, rollers are rotatably connected to the inner bottom sides of both ends of the cleaning plate.
[0011] Preferably, a storage box is fixed to the bottom of the tabletop, the storage box is slidably connected to the U-shaped groove plate, and multiple drawers are slidably connected inside the storage box, with a first handle fixed to one end of each drawer.
[0012] Preferably, guide strips are fixed on both sides of the drawer, and both guide strips are slidably connected to the storage box.
[0013] Preferably, a collection box is slidably connected to one end of the tabletop, and a second handle is fixed to one end of the collection box.
[0014] Preferably, a tapered boss is fixed to the bottom of the mounting block.
[0015] It is clear without a doubt that the technical solution described above in this application can solve the technical problem that this application aims to address.
[0016] At the same time, through the above technical solutions, this utility model has at least the following beneficial effects:
[0017] 1. Through the structural design of the cleaning mechanism, this utility model enables the device to rotate by starting the first motor, which drives the first threaded screw to rotate, so that the cleaning plate slides on the surface of the guide rod, and the cleaning brush cleans the surface of the tabletop, thus achieving the cleaning of the top of the tabletop.
[0018] 2. Through the structural design of the height adjustment mechanism, this utility model enables the U-shaped mating plate to slide inside the U-shaped groove plate by rotating the second motor. The sliding of the U-shaped mating plate allows the tabletop at the top to be raised or lowered, thus realizing the height adjustment of the teaching podium and meeting the usage needs of teachers of different heights. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a cross-sectional structural diagram of the tabletop of this utility model;
[0022] Figure 3 This is a cross-sectional structural diagram of the mounting block, U-shaped groove plate, and U-shaped mating plate of this utility model;
[0023] Figure 4 This utility model Figure 3 A partially enlarged structural diagram;
[0024] Figure 5 This is a schematic diagram of the connection structure between the cleaning plate and the roller of this utility model;
[0025] Figure 6 This is a schematic diagram of the connection structure of the tabletop, storage box, drawer, and collection box of this utility model.
[0026] In the diagram: 1. Tabletop; 2. Mounting block; 3. First motor; 4. First threaded screw; 5. First bearing; 6. Cleaning plate; 7. Cleaning brush; 8. Guide rod; 9. Collection port; 10. Second motor; 11. First bevel gear; 12. Second bevel gear; 13. Transmission rod; 14. Third bevel gear; 15. Fourth bevel gear; 16. U-shaped groove plate; 17. U-shaped mating plate; 18. Second threaded screw; 19. Second bearing; 20. Roller; 21. Storage box; 22. Drawer; 23. First handle; 24. Guide strip; 25. Collection box; 26. Second handle; 27. Conical boss. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0028] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
[0029] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.
[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0031] Example 1
[0032] Reference Figure 1 - Figure 6 A new type of teaching podium includes a tabletop 1 and a mounting block 2. The mounting block 2 is installed at the bottom of the tabletop 1, a cleaning mechanism is installed inside the tabletop 1, and a height adjustment mechanism is installed between the tabletop 1 and the mounting block 2.
[0033] The cleaning mechanism includes a first motor 3, a first threaded screw 4, a first bearing 5, a cleaning plate 6, a cleaning brush 7, a guide rod 8, and a collection port 9. The first motor 3 is fixed to one corner inside the tabletop 1. The first threaded screw 4 is fixed to the power output end of the first motor 3. The first bearing 5 is fixed to the outside of one end of the first threaded screw 4 and is fixed to the tabletop 1. The cleaning plate 6 is threadedly connected to the outside of the first threaded screw 4. The cleaning brush 7 is fixed to the bottom of the cleaning plate 6. The guide rod 8 is slidably connected to one end of the cleaning plate 6. Both ends of the guide rod 8 are fixed to the tabletop 1. A collection port 9 is provided at the top end of the tabletop 1. Rollers 20 are rotatably connected to the inner bottom of both ends of the cleaning plate 6. When cleaning the tabletop 1... When the surface of the tabletop 1 is cleaned, the first motor 3 is started. The power output end of the first motor 3 drives the first threaded screw 4 to rotate. The first threaded screw 4 drives the cleaning plate 6 to slide on the outer surface of the guide rod 8. Guided by the guide rod 8, the cleaning plate 6 drives the cleaning brush 7 to clean the top of the tabletop 1, pushing the cleaned chalk dust and other debris into the collection port 9. This can achieve a clean surface of the tabletop 1. When the cleaning plate 6 drives the cleaning brush 7 to clean the surface of the tabletop 1, the inner bottom of both ends of the cleaning plate 6 is connected to the rollers 20, which reduce the resistance when the cleaning plate 6 and the cleaning brush 7 move, making the cleaning plate 6 and the cleaning brush 7 run more smoothly and with better results.
[0034] A storage box 21 is fixed to the bottom of the tabletop 1. The storage box 21 is slidably connected to the U-shaped groove plate 16. Multiple drawers 22 are slidably connected inside the storage box 21. A first handle 23 is fixed to one end of each drawer 22. Guide strips 24 are fixed to both sides of each drawer 22, and both guide strips 24 are slidably connected to the storage box 21. The multiple drawers 22 allow for the categorized storage of items, making them easy and quick to find when needed. The first handle 23 facilitates the pulling in and out of the drawers 22, making them convenient and flexible to use. The guide strips 24 guide the drawers 22 when they are pulled out, ensuring smooth and stable operation.
[0035] A collection box 25 is slidably connected to one end of the tabletop 1, and a second handle 26 is fixed to one end of the collection box 25. The collection box 25 and the second handle 26 facilitate the collection of chalk dust and other debris swept by the cleaning mechanism. When a certain amount is collected, it can be pulled out and poured out, which is quite practical.
[0036] The bottom of the mounting block 2 is fixed with a conical protrusion 27; by setting the conical protrusion 27, the contact surface and friction between the bottom of the teaching platform and the ground can be increased, the force distribution can be optimized, and the conical shape can effectively resist lateral forces, significantly improving the overall stability of the teaching platform.
[0037] Example 2
[0038] Reference Figure 3 and Figure 4 A novel teaching platform includes a height adjustment mechanism comprising a second motor 10, a first bevel gear 11, a second bevel gear 12, a transmission rod 13, a third bevel gear 14, a fourth bevel gear 15, a U-shaped groove plate 16, a U-shaped mating plate 17, a second threaded screw 18, and a second bearing 19. The second motor 10 is fixed inside the mounting block 2. The first bevel gear 11 is fixed to the power output end of the second motor 10. The second bevel gear 12 is externally meshed with the first bevel gear 11. The transmission rod 13 is fixed inside the second bevel gear 12 and rotatably connected to the mounting block 2. The third bevel gear 14 is fixed to both ends of the transmission rod 13, and the fourth bevel gear 15 is externally meshed with the third bevel gear 14. The top of the mounting block 2 is fixed with the U-shaped groove plate 16, and the U-shaped mating plate 17 is slidably connected inside the U-shaped groove plate 16. The top of the fourth bevel gear 15 is fixed with the second threaded screw 18, and the second bearing 19 is externally fixed to the second threaded screw 18. 9. The second bearing 19 and the U-shaped groove plate 16 are fixed. The external thread of the second threaded screw 18 is connected to the U-shaped mating plate 17. The top of the U-shaped mating plate 17 is fixed to the table surface 1. When the height of the table surface 1 needs to be adjusted to meet the needs of teachers of different heights, the second motor 10 is started. The power output end of the second motor 10 drives the first bevel gear 11 to rotate. The first bevel gear 11 drives the second bevel gear 12 to rotate. The second bevel gear 12 drives the transmission rod 13 to rotate. The transmission rod 13 drives the two third bevel gears 14 at both ends to rotate. The third bevel gear 14 drives the fourth bevel gear 15 that meshes with it to rotate. The fourth bevel gear 15 drives the second threaded screw 18 to rotate. The two second threaded screws 18 drive the U-shaped mating plate 17 to slide inside the U-shaped groove plate 16, so that the force is even during lifting and lowering and the lifting effect is stable. The height of the teaching platform can be adjusted by sliding the U-shaped mating plate 17, which can meet the needs of teachers of different heights.
[0039] The usage process of the novel teaching podium provided by this utility model is as follows:
[0040] When cleaning the surface of the tabletop 1 to ensure it is clean, a first motor 3 is fixed to one corner inside the tabletop 1. A first threaded screw 4 is fixed to the power output end of the first motor 3. A first bearing 5 is fixed to the outside of one end of the first threaded screw 4, and the first bearing 5 is fixed to the tabletop 1. A cleaning plate 6 is threadedly connected to the outside of the first threaded screw 4. A cleaning brush 7 is fixed to the bottom of the cleaning plate 6. A guide rod 8 is slidably connected to one end of the cleaning plate 6. Both ends of the guide rod 8 are fixed to the tabletop 1. A collection port 9 is opened at the top end of the tabletop 1. Rollers 20 are rotatably connected to the inner bottom of both ends of the cleaning plate 6. This process activates the cleaning plate 1. The first motor 3 drives the first threaded screw 4 to rotate. The first threaded screw 4 drives the cleaning plate 6 to slide on the outer surface of the guide rod 8. Guided by the guide rod 8, the cleaning plate 6 drives the cleaning brush 7 to clean the top of the table surface 1, pushing the cleaned chalk dust and other debris into the collection port 9. This can achieve a clean surface of the table surface 1. When the cleaning plate 6 drives the cleaning brush 7 to clean the surface of the table surface 1, the inner bottom of both ends of the cleaning plate 6 is connected to the rollers 20, which reduce the resistance when the cleaning plate 6 and the cleaning brush 7 move, making the cleaning plate 6 and the cleaning brush 7 run more smoothly and with better performance.
[0041] When the height of the tabletop 1 needs to be adjusted to meet the needs of teachers of different heights, the mounting block 2 has a second motor 10 fixed inside. The power output end of the second motor 10 is fixed to a first bevel gear 11. The first bevel gear 11 is externally meshed with a second bevel gear 12. The second bevel gear 12 has a transmission rod 13 fixed inside, which is rotatably connected to the mounting block 2. Both ends of the transmission rod 13 are fixed to third bevel gears 14, which are externally meshed with a fourth bevel gear 15. The top of the mounting block 2 has a U-shaped groove plate 16, and the U-shaped groove plate 16 has a sliding U-shaped mating plate 17. The top of the fourth bevel gear 15 has a second threaded screw 18 fixed to it, and the second threaded screw 18 has a second bearing 19 fixed to its exterior. The second bearing 19 is fixed to the U-shaped groove plate 16. The external thread of the two threaded screw 18 is connected to a U-shaped mating plate 17, the top of which is fixed to the table surface 1. Then, the second motor 10 is started. The power output end of the second motor 10 drives the first bevel gear 11 to rotate, the first bevel gear 11 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the transmission rod 13 to rotate, the transmission rod 13 drives the two third bevel gears 14 at both ends to rotate, the third bevel gears 14 drive the fourth bevel gear 15 that meshes with them to rotate, and the fourth bevel gear 15 drives the second threaded screw 18 to rotate. The two second threaded screws 18 drive the U-shaped mating plate 17 to slide inside the U-shaped groove plate 16, so that the force is evenly distributed during lifting and lowering, and the lifting effect is stable. The height of the teaching platform can be adjusted by sliding the U-shaped mating plate 17, which can meet the needs of teachers of different heights.
[0042] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to specific implementations. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A new type of teaching lectern, characterized in that, The utility model provides a height -adjusting table top, including table top (1) and mounting block (2), the bottom of table top (1) is equipped with mounting block (2), the inside of table top (1) is equipped with cleaning mechanism, and the inside of table top (1) is equipped with mounting block (2) between height -adjusting mechanism is equipped with, The cleaning mechanism includes a first motor (3), a first threaded lead screw (4), a first bearing (5), a cleaning plate (6), a cleaning brush (7), a guide rod (8), and a collection port (9). One end corner of the inside of the table top (1) is fixed with the first motor (3). The power output end of the first motor (3) is fixed with the first threaded lead screw (4). One end of the outside of the first threaded lead screw (4) is fixed with the first bearing (5). The first bearing (5) and the table top (1) are fixed. The outside of the first threaded lead screw (4) is threadedly connected with the cleaning plate (6). The bottom of the cleaning plate (6) is fixed with the cleaning brush (7). One end of the inside of the cleaning plate (6) is slidingly connected with the guide rod (8). The two ends of the guide rod (8) are fixed with the table top (1). The top of one end of the table top (1) is provided with the collection port (9). The height -adjusting mechanism includes a second motor (10), a first bevel gear (11), a second bevel gear (12), a transmission rod (13), a third bevel gear (14), a fourth bevel gear (15), a U-shaped groove plate (16), a U-shaped matching plate (17), a second threaded lead screw (18), and a second bearing (19). The inside of the mounting block (2) is fixed with the second motor (10). The power output end of the second motor (10) is fixed with the first bevel gear (11). The outside of the first bevel gear (11) is meshingly connected with the second bevel gear (12). The inside of the second bevel gear (12) is fixed with the transmission rod (13). The transmission rod (13) is rotatably connected with the mounting block (2). The outside of the transmission rod (13) is fixed with the third bevel gear (14) at both ends. The outside of the third bevel gear (14) is meshingly connected with the fourth bevel gear (15). The top of the mounting block (2) is fixed with the U-shaped groove plate (16). The inside of the U-shaped groove plate (16) is slidingly connected with the U-shaped matching plate (17). The top of the fourth bevel gear (15) is fixed with the second threaded lead screw (18). The outside of the second threaded lead screw (18) is fixed with the second bearing (19). The second bearing (19) and the U-shaped groove plate (16) are fixed. The outside of the second threaded lead screw (18) is threadedly connected with the U-shaped matching plate (17). The top of the U-shaped matching plate (17) is fixed with the table top (1).
2. A new type of teaching platform according to claim 1, characterized in that, The inside of the bottom of the two ends of the cleaning plate (6) is rotatably connected with the roller (20).
3. A new type of teaching platform according to claim 1, characterized in that, The bottom of the table top (1) is fixed with the storage box (21). The storage box (21) is slidingly connected with the U-shaped groove plate (16). The inside of the storage box (21) is slidingly connected with the plurality of drawers (22). One end of the drawer (22) is fixed with the first handle (23).
4. A new type of teaching platform according to claim 3, characterized in that, Both sides of the drawer (22) are fixed with guide strips (24), and the two guide strips (24) are slidably connected with the storage box (21).
5. A new type of teaching platform according to claim 1, characterized in that, One end of the tabletop (1) is slidably connected with a collecting box (25), and one end of the collecting box (25) is fixed with a second handle (26).
6. A new type of teaching platform according to claim 1, characterized in that, The bottom of the mounting block (2) is fixed with a conical boss (27).