Multifunctional teaching moving frame
The design, which uses an electric push rod to unfold the top block and a vacuum cleaner to pick up chalk dust, solves the problem of cumbersome fixing of multi-functional mobile teaching racks, enabling rapid and stable movement and convenient cleaning, thus improving the efficiency and safety of teaching equipment.
Patent Information
- Application Number
- CN202423141779.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The existing multi-functional mobile teaching frame requires multiple presses of the universal wheel brake mechanism to fix and unlock during use, which is cumbersome and time-consuming.
An electric push rod drives the top block to unfold, which in turn lowers the extension block and the lifting plate, thus lifting and fixing the pulleys. A vacuum cleaner uses negative pressure to suck up chalk dust and filter and collect it. The adjustment mechanism adjusts the height of the blackboard through a support frame and an adjusting bolt.
It enables the rapid fixing and stable movement of the multifunctional teaching mobile frame, simplifies the operation process, and improves the ease of use and safety of the teaching equipment.
Smart Images

Figure CN223529143U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of teaching aids technology, and in particular to a multifunctional mobile teaching frame. Background Technology
[0002] With social progress, the government is paying increasing attention to mathematics education in secondary vocational education. The core of education is to disseminate various kinds of knowledge, skills and social life experience. At the same time, considering individual differences, the educational models are also becoming more diverse. The current society advocates personalized teaching, that is, teaching according to aptitude. In the process of secondary vocational mathematics teaching, mobile teaching frames are commonly used to assist teaching activities.
[0003] The multifunctional mobile teaching rack is a versatile teaching aid that not only has traditional storage and display functions but also incorporates many innovative elements, enabling it to play a greater role in the modern educational environment. The multifunctional mobile teaching rack also features display capabilities, with whiteboards, blackboards, and magnetic writing boards that can be mounted on its surface, facilitating teachers' immediate explanations and demonstrations in the classroom. This not only improves the utilization rate of teaching resources but also creates a more convenient and efficient learning and working environment for teachers and students.
[0004] Most mobile teaching stands move using casters at the bottom. However, during classroom instruction, these stands can become unstable and slip. Existing solutions involve installing braking mechanisms on each caster, which lock the casters by pressing them. However, locking requires pressing the braking mechanisms on multiple casters multiple times, and unlocking also requires repeating the process, making it cumbersome and time-consuming. Therefore, a multifunctional mobile teaching stand is proposed to solve these problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a multifunctional teaching mobile frame, which aims to improve the problem that the existing technology requires multiple presses to brake the multiple universal wheels, and also requires repeated operations to unlock, making it very cumbersome and time-consuming to use.
[0006] To achieve the above objectives, this utility model adopts the following technical solution: a multifunctional mobile teaching stand, comprising a mobile base and a blackboard. The mobile base has an internal support mechanism for quickly fixing the entire device. A dust-collecting mechanism is located on the right side of the blackboard for cleaning chalk dust. An adjustment mechanism is located on the top of the mobile base for adjusting the height of the blackboard. The support mechanism includes multiple pulleys, the tops of which are mounted at the four corners of the bottom of the mobile base. Electric push rods are fixedly connected to the inner bottom of the mobile base, with one end of two electric push rods fixedly connected to... The movable seat is equipped with a top block. Two fixed plates are fixedly connected to the left and right sides of the interior of the movable seat. Connecting rods are slidably connected to adjacent sides of the two fixed plates. Pressing blocks are fixedly connected to adjacent ends of the two connecting rods. Extension blocks are fixedly connected to the far ends of the two connecting rods. Spring one is fixedly connected to the outer wall of each of the two connecting rods. Two limiting posts are fixedly connected to the left and right sides of the interior of the movable seat. Lifting plates are fixedly connected to the outer walls of the two limiting posts. Spring two is fixedly connected to the outer walls of the two limiting posts. Supporting posts are slidably connected to the four corners of the bottom of the movable seat. The tops of multiple supporting posts are fixedly connected to the bottom of the lifting plate.
[0007] As a further description of the above technical solution:
[0008] The vacuuming mechanism includes a hollow box. The left side of the hollow box is fixedly connected to the right side of the blackboard. A vacuum cleaner is connected to the top of the hollow box. A filter plate is fixedly connected to the middle of the inner wall of the hollow box. A collection box is slidably connected to the bottom right side of the hollow box. A vacuum pipe is connected to the right side of the collection box. The other end of the vacuum pipe is connected to a shell. A cleaning plate is fixedly connected to the rear side of the shell. A dust inlet hole is opened on the rear side of the shell.
[0009] As a further description of the above technical solution:
[0010] The vacuuming mechanism also includes a slide, the top of which is fixedly connected to the bottom of the blackboard, and a sliding buckle is slidably connected inside the slide, with the inner wall of the buckle slidably connected to the outer wall of the vacuum tube.
[0011] As a further description of the above technical solution:
[0012] The adjustment mechanism includes a support frame, the bottom of which is fixedly connected to the top of the movable seat, the top of which is fixedly connected to the bottom of the blackboard, and an adjustment bolt threadedly connected to the middle right side of the support frame.
[0013] As a further description of the above technical solution:
[0014] A handle is fixedly connected to the front side of the housing, and the outer wall of the housing is rounded.
[0015] As a further description of the above technical solution:
[0016] A placement box is slidably connected to the bottom of the outer shell, and the rear side of the placement box is fixedly connected to the front side of the hollow box.
[0017] As a further description of the above technical solution:
[0018] A controller is fixedly connected to the front side of the hollow box, and the controller is electrically connected to the electric push rod and the vacuum cleaner respectively.
[0019] As a further description of the above technical solution:
[0020] The outer walls of the support frame are all fixedly connected with reinforcing plates, and the bottom of the support frame is threaded with bolts.
[0021] This utility model has the following beneficial effects:
[0022] 1. In this utility model, the movement of the device is controlled by pulleys. The top block is driven to unfold to both sides by activating the electric push rod. The top block is inserted between the extrusion blocks and drives the extension block to unfold to both sides. The extension block presses the lifting plate downward, thereby causing the lifting plate to slide downward on the support column, providing rapid support for the device. The pulley is then lifted upward to fix the device. At the same time, when the top block disengages from between the extrusion blocks, the lifting plate drives the support column to retract upward through the second spring, allowing for movement and use.
[0023] 2. In this utility model, when the teacher uses the cleaning board to clean the blackboard surface, the vacuum cleaner is activated to create negative pressure inside the hollow box. The dust inlet hole allows for rapid and comprehensive suction of the chalk dust. The chalk dust enters the collection box through the suction pipe. Simultaneously, the sucked-in chalk dust is filtered through the filter plate, causing it to fall into the collection box. By pulling the collection box to the right, the chalk dust is collected and processed centrally. The vacuum cleaner also removes excess air, preventing dust from being inhaled and causing harm to the human body. Attached Figure Description
[0024] Figure 1 This is a perspective view of a multifunctional mobile teaching frame proposed in this utility model;
[0025] Figure 2 This is a front view of a multifunctional mobile teaching frame proposed in this utility model;
[0026] Figure 3 This is an exploded view of the dust collection mechanism of a multifunctional mobile teaching rack proposed in this utility model;
[0027] Figure 4 This is a cross-sectional view of a multifunctional mobile teaching frame proposed in this utility model;
[0028] Figure 5 This is a schematic diagram of the support mechanism for a multifunctional mobile teaching frame proposed in this utility model.
[0029] Legend:
[0030] 1. Movable base; 2. Blackboard; 3. Pulley; 4. Electric push rod; 5. Top block; 6. Fixed plate; 7. Connecting rod; 8. Spring 1; 9. Extrusion block; 10. Extension block; 11. Limiting post; 12. Lifting plate; 13. Spring 2; 14. Support column; 15. Hollow box; 16. Vacuum cleaner; 17. Collection box; 18. Filter plate; 19. Suction pipe; 20. Slide rail; 21. Sliding buckle; 22. Outer shell; 23. Cleaning plate; 24. Dust inlet; 25. Handle; 26. Placement box; 27. Controller; 28. Adjusting bolt; 29. Reinforcing plate; 30. Bolt; 31. Support frame. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Reference Figure 1 , Figure 4 and Figure 5 One embodiment of this utility model is a multifunctional teaching mobile stand, including a mobile base 1 and a blackboard 2. The mobile base 1 is provided with a support mechanism inside, which is used to quickly fix the entire device. A dust collection mechanism is provided on the right side of the blackboard 2, which is used to clean up the chalk dust generated. An adjustment mechanism is provided on the top of the mobile base 1, which is used to adjust the height of the blackboard 2.
[0033] The support mechanism includes multiple pulleys 3, the tops of which are installed at the four corners of the bottom of the movable base 1. The pulleys 3 enable movement of the device, making it suitable for more locations. Electric push rods 4 are fixedly connected to the bottom inner side of the movable base 1. One end of each of the two electric push rods 4 is fixedly connected to a top block 5. Activating the electric push rods 4 drives the top blocks 5 to unfold to both sides. Two fixed plates 6 are fixedly connected to the left and right sides of the interior of the movable base 1. Connecting rods 7 are slidably connected to adjacent sides of the two fixed plates 6. An extrusion block 9 is fixedly connected to adjacent ends of the two connecting rods 7. An extension block 10 is fixedly connected to the far ends of the two connecting rods 7. The two ends of the connecting rods 7 are respectively fixed to the extension block 10 and the extrusion block 9, and are connected by springs 8. The top blocks 5 unfold to both sides. When the device is unfolded, the top block 5 is inserted between the pressing blocks 9, which drives the extension block 10 to unfold to both sides. The outer walls of the two connecting rods 7 are fixedly connected with spring 8. The left and right sides of the inside of the moving seat 1 are fixedly connected with two limiting posts 11. The outer walls of the two limiting posts 11 are fixedly connected with lifting plates 12. The outer walls of the two limiting posts 11 are fixedly connected with spring 13. Spring 13 is set between the moving seat 1 and the lifting plate 12. The extension block 10 will press the lifting plate 12 downward. The four corners of the bottom of the moving seat 1 are slidably connected with support posts 14. The tops of the multiple support posts 14 are fixedly connected to the bottom of the lifting plate 12, so that the lifting plate 12 slides downward on the support posts 14, providing rapid support for the device and lifting the pulley 3 upward to fix the device.
[0034] Reference Figure 1 , Figure 2 and Figure 3The vacuuming mechanism includes a hollow box 15, with its left side fixedly connected to the right side of the blackboard 2. A vacuum cleaner 16 is connected to the top of the hollow box 15. A filter plate 18 is fixedly connected to the middle of the inner wall of the hollow box 15. The vacuum cleaner 16 and the hollow box 15 are interconnected. Activating the vacuum cleaner 16 creates negative pressure inside the hollow box 15, simultaneously drawing in chalk dust which is filtered through the filter plate 18. A collection box 17 is slidably connected to the bottom right side of the hollow box 15, allowing chalk dust to fall into it. By pulling the collection box 17 to the right, the chalk dust is collected and processed. A suction pipe 19 is connected to the right side of the collection box 17, and the other end of the suction pipe 19 is connected to a housing 22. A cleaning plate 23 is fixedly connected to the rear side of the housing 22, and a dust inlet 24 is provided on the rear side of the housing 22. The cleaning plate 23 and the housing 22 are integrated, functioning as a blackboard eraser. The dust inlet 24 on the housing 22, facing the cleaning direction, allows for... It can quickly and comprehensively absorb chalk dust that has been wiped off, preventing dust from being inhaled and causing harm to the human body. The chalk dust will enter the collection box 17 through the suction pipe 19, and the excess air will be expelled by the vacuum cleaner 16. The suction mechanism also includes a slide 20. The top of the slide 20 is fixedly connected to the bottom of the blackboard 2. The inside of the slide 20 is slidably connected to a sliding buckle 21. The inner wall of the sliding buckle 21 is slidably connected to the outer wall of the suction pipe 19. The outer wall of the suction pipe 19 is connected by the sliding buckle 21. When the suction pipe 19 is dragged, it can be limited by the sliding buckle 21 and the slide 20 to prevent the suction pipe 19 from scratching. The front of the outer shell 22 is fixedly connected to a handle 25. The handle 25 is installed on the outer wall of the outer shell 22, making it more convenient for teachers to clean the blackboard 2. The outer wall of the outer shell 22 is rounded. The bottom of the outer shell 22 is slidably connected to a placement box 26. The rear of the placement box 26 is fixedly connected to the front of the hollow box 15.
[0035] Reference Figure 1 and Figure 2 The adjustment mechanism includes a support frame 31, the bottom of which is fixedly connected to the top of the movable seat 1. The blackboard 2 and the movable seat 1 are supported and fixed by the support frame 31 to ensure the stability of the blackboard 2. The top of the support frame 31 is fixedly connected to the bottom of the blackboard 2. An adjustment bolt 28 is threadedly connected to the middle right side of the support frame 31. The height of the support frame 31 can be adjusted by rotating the adjustment bolt 28. A controller 27 is fixedly connected to the front side of the hollow box 15. The controller 27 is electrically connected to the electric push rod 4 and the vacuum cleaner 16 respectively. The controller 27 facilitates simple operation and control of the operating equipment on the entire device. Reinforcing plates 29 are fixedly connected to the outer walls of the support frame 31. Bolts 30 are threadedly connected to the bottom of the support frame 31.
[0036] Working principle: First, the device is moved by the pulley 3. The top block 5 is opened to both sides by activating the electric push rod 4. When the top block 5 is opened to both sides, it is inserted between the pressing blocks 9. This drives the extension block 10 to open to both sides. The extension block 10 presses the lifting plate 12 downward. The tops of the multiple support columns 14 are fixedly connected to the bottom of the lifting plate 12, so that the lifting plate 12 slides downward on the support columns 14, providing quick support for the device. This causes the pulley 3 to be lifted upward, thus fixing the device.
[0037] Furthermore, when the teacher uses the cleaning board 23 to clean the surface of the blackboard 1, the vacuum cleaner 16 is activated to create negative pressure inside the hollow box 15. The dust inlet 24, which is opened in the direction of cleaning through the outer shell 22, can quickly suck up the chalk dust from all directions. The chalk dust will enter the collection box 17 through the suction pipe 19. At the same time, the sucked-in chalk dust is filtered through the filter plate 18, causing the chalk dust to fall into the collection box 17. By pulling the collection box 17 to the right, the chalk dust can be centrally processed, and the excess air is expelled by the vacuum cleaner 16. When the suction pipe 19 is dragged, it can be limited by the sliding buckle 21 and the slide 20 to prevent the suction pipe 19 from scratching, making it more convenient for the teacher to clean the blackboard 2.
[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A multifunctional mobile teaching stand, comprising a mobile base (1) and a blackboard (2), characterized in that: The movable base (1) is provided with a support mechanism inside, which is used to quickly fix the entire device. The right side of the blackboard (2) is provided with a dust collection mechanism, which is used to clean up the chalk dust. The top of the movable base (1) is provided with an adjustment mechanism, which is used to adjust the height of the blackboard (2). The support mechanism includes multiple pulleys (3), the tops of which are installed at the four corners of the bottom of the movable seat (1). Electric push rods (4) are fixedly connected to the bottom inner side of the movable seat (1). A top block (5) is fixedly connected to one end of each of the two electric push rods (4). Two fixing plates (6) are fixedly connected to the left and right sides of the interior of the movable seat (1). Connecting rods (7) are slidably connected to adjacent sides of the two fixing plates (6). A pressing block (9) is fixedly connected to one adjacent end of each of the two connecting rods (7). An extension block (10) is fixedly connected to the far end of each of the two connecting rods (7). A spring (8) is fixedly connected to the outer wall of each of the two connecting rods (7). Two limiting posts (11) are fixedly connected to the left and right sides of the interior of the movable seat (1). A lifting plate (12) is fixedly connected to the outer wall of each of the two limiting posts (11). A spring (13) is fixedly connected to the outer wall of each of the two limiting posts (11). Support posts (14) are slidably connected to the four corners at the bottom of the movable seat (1). The tops of the multiple support posts (14) are fixedly connected to the bottom of the lifting plate (12).
2. The multifunctional mobile teaching stand according to claim 1, characterized in that: The vacuuming mechanism includes a hollow box (15), the left side of which is fixedly connected to the right side of the blackboard (2), the top of which is connected to a vacuum cleaner (16), the middle of the inner wall of which is fixedly connected to a filter plate (18), the bottom right side of which is slidably connected to a collection box (17), the right side of which is connected to a suction pipe (19), the other end of which is connected to a shell (22), the rear side of which is fixedly connected to a cleaning plate (23), and the rear side of which is provided with a dust inlet hole (24).
3. The multifunctional mobile teaching stand according to claim 1, characterized in that: The vacuuming mechanism also includes a slide (20), the top of which is fixedly connected to the bottom of the blackboard (2), and a sliding buckle (21) is slidably connected inside the slide (20), the inner wall of which is slidably connected to the outer wall of the vacuum tube (19).
4. The multifunctional mobile teaching stand according to claim 1, characterized in that: The adjustment mechanism includes a support frame (31), the bottom of which is fixedly connected to the top of the movable seat (1), the top of which is fixedly connected to the bottom of the blackboard (2), and an adjustment bolt (28) is threadedly connected to the middle right side of the support frame (31).
5. A multifunctional mobile teaching stand according to claim 2, characterized in that: A handle (25) is fixedly connected to the front side of the outer shell (22), and the outer wall of the outer shell (22) is rounded.
6. A multifunctional mobile teaching stand according to claim 2, characterized in that: The bottom of the outer shell (22) is slidably connected to a placement box (26), and the rear side of the placement box (26) is fixedly connected to the front side of the hollow box (15).
7. A multifunctional mobile teaching stand according to claim 2, characterized in that: A controller (27) is fixedly connected to the front side of the hollow box (15), and the controller (27) is electrically connected to the electric push rod (4) and the vacuum cleaner (16).
8. A multifunctional mobile teaching stand according to claim 4, characterized in that: The outer walls of the support frame (31) are all fixedly connected with reinforcing plates (29), and the bottom of the support frame (31) is all threadedly connected with bolts (30).