Intelligent blackboard for multi-screen interaction
By using a servo motor to drive gears and racks to mesh and control the movement of the writing board, the protection problem of the smart blackboard display screen is solved, achieving the effects of dust protection and equipment protection.
Patent Information
- Application Number
- CN202520016936.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Traditional multi-screen interactive smart blackboards lack protective mechanisms for their smart displays, leading to dust accumulation and screen damage, which affects the viewing experience and causes economic losses.
A servo motor drives a gear and rack to mesh, and the gear moves the rack to control the opening and closing of the writing board to cover or expose the smart display screen, thus protecting the display screen.
It effectively prevents dust accumulation, protects the display screen, and improves the safety performance and service life of the equipment.
Smart Images

Figure CN223712298U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to intelligent blackboard technical field, concretely is a kind of multi-screen interactive intelligent blackboard. BACKGROUND
[0002] Intelligent blackboard is a revolutionary intelligent interactive teaching equipment that integrates nanometer touch, liquid crystal display and computer host. It combines traditional teaching blackboard and perceptible interactive blackboard, supports touch interaction, multimedia teaching and chalk writing, has characteristics such as waterproof, anti-violence and vision protection, can improve teaching efficiency and enrich teaching means. In order to make teaching more efficient, rich and interesting, a multi-screen interactive intelligent blackboard is designed.
[0003] However, the intelligent display screen of the traditional multi-screen interactive intelligent blackboard lacks a protection mechanism. When the intelligent display screen is not needed, dust is easy to accumulate on the screen, thereby affecting the viewing effect, and the display screen is easy to be damaged, causing economic loss. To solve the above problems, the inventor proposes a multi-screen interactive intelligent blackboard. UTILITY MODEL CONTENT
[0004] To solve the protection problem of the intelligent display screen of the multi-screen interactive intelligent blackboard, the utility model aims to provide a multi-screen interactive intelligent blackboard.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a multi-screen interactive intelligent blackboard, comprising a wall surface, an intelligent display screen is fixedly installed on one side of the wall surface, a writing board is arranged on one side of the wall surface and located on both sides of the intelligent display screen, an installation plate is fixedly connected to the top of one side of the wall surface and located above the intelligent display screen, a sliding groove one is formed in the top of the installation plate, a sliding groove two is formed in the top of the installation plate and located on both sides of the sliding groove one, a support assembly is arranged in the sliding groove one and the sliding groove two, a rack is rotatably connected to the top between the two support assemblies through a connecting piece, the two racks are centrally symmetrically distributed, the bottom of the support assembly is connected with the writing board through a connecting piece, a driving assembly is arranged in the middle of the top of the installation plate, and an arc-shaped surface is arranged on the contact surface of the intelligent display screen and the two writing boards.
[0006] Preferably, the support assembly comprises a moving block, the moving block is arranged in the sliding groove one and the sliding groove two, a guide rod is rotatably connected to the bottom of the moving block, a guide groove is formed in the sliding groove one and the sliding groove two, the guide rod is movably clamped in the guide groove, the bottom of the guide rod is fixedly connected with the writing board through a connecting piece, a support roller is rotatably connected to both sides of the moving block, and the support roller is in contact with the installation plate.
[0007] Preferably, the driving assembly comprises two fixed plates fixedly connected at the top end of the mounting plate, a gear rotatably connected between the two fixed plates, the gear is meshingly connected with two racks, the length of the gear is greater than the length of the racks, the two racks are centrally symmetrically distributed with the rotation shaft of the gear as the center of symmetry, a servo motor is fixedly installed on one side of the fixed plate, and the driving end of the servo motor is fixedly connected with the rotation shaft of the gear.
[0008] Preferably, the wall surface is fixedly installed with a PLC controller on the side close to the writing board, and the servo motor is electrically connected with the PLC controller.
[0009] Compared with the prior art, the wall surface is fixedly installed with a PLC controller on the side close to the writing board, and the servo motor is electrically connected with the PLC controller.
[0010] The servo motor drives the gear to rotate, the gear is meshingly connected with the two racks, the width of the gear is greater than the width of the racks, and the two racks are simultaneously driven to move to the side away from or close to each other, the rack can translate and slide to the side away from the wall along the gear groove, so that the support assembly moves along the interiors of the sliding groove one and the sliding groove two, the moving track of the writing board is controlled, and the stability of the writing board is improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0012] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0013] Figure 2 It is a schematic diagram of the local structure of the present application.
[0014] Figure 3 It is a schematic diagram of the structure of the support assembly in the present application.
[0015] Figure 4 It is a schematic diagram of the structure of the intelligent display screen and the writing board in the present application.
[0016] In the diagram: 1. Wall; 2. Smart display screen; 3. Writing board; 4. Mounting plate; 5. Slide 1; 6. Slide 2; 7. Support assembly; 71. Moving block; 72. Guide rod; 73. Support roller; 8. Rack; 9. Drive assembly; 91. Fixing plate; 92. Gear; 93. Servo motor; 10. Curved surface; 11. Guide groove; 12. PLC controller. Detailed Implementation
[0017] 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.
[0018] Example: Figures 1-4 As shown, this utility model provides a smart blackboard for multi-screen interaction, including a wall 1, a smart display screen 2 fixedly installed on one side of the wall 1, writing boards 3 on both sides of the smart display screen 2 on one side of the wall 1, and a mounting plate 4 fixedly connected to one side of the wall 1 and above the smart display screen 2. The top of the mounting plate 4 has a first groove 5, and the top of the mounting plate 4 has a second groove 6 on both sides of the first groove 5. Support components 7 are provided inside the first groove 5 and the second groove 6. A rack 8 is rotatably connected between the tops of the two support components 7 through a connector. The two racks 8 are centrally symmetrically distributed. The bottom end of the support component 7 is connected to the writing board 3 through a connector. A drive component 9 is provided in the middle of the top of the mounting plate 4.
[0019] The support component 7 includes a movable block 71, which is disposed inside the first slide 5 and the second slide 6. The bottom end of the movable block 71 is rotatably connected to a guide rod 72. The interior of the first slide 5 and the second slide 6 is provided with a guide groove 11. The guide rod 72 is movably engaged in the guide groove 11. The bottom end of the guide rod 72 is fixedly connected to the writing board 3 through a connector.
[0020] By adopting the above technical solution, the guide groove 11 guides the movement of the guide rod 72, thereby driving the writing board 3 to move along the trajectory of the slide groove 6, realizing the unfolding and closing of the writing board 3.
[0021] Both sides of the movable block 71 are rotatably connected to support rollers 73, and the support rollers 73 are in contact with the mounting plate 4.
[0022] By adopting the above technical solution, and by setting up the support roller 73, the writing board 3 is supported by the support roller 73, while the moving block 71 is moved conveniently.
[0023] The driving assembly 9 comprises two fixed plates 91 fixedly connected to the top end of the mounting plate 4, a gear 92 rotatably connected between the two fixed plates 91, the gear 92 is in meshing connection with the two racks 8, the length of the gear 92 is greater than the length of the racks 8, and the two racks 8 are centrally symmetrically distributed with the rotation shaft of the gear 92 as the center of symmetry.
[0024] By adopting the above technical scheme, when the gear 92 rotates, the gear 92 is in meshing connection with the two racks 8, and simultaneously drives the two racks 8 to move to the side away from or close to each other, thereby driving the writing board 3 to move synchronously.
[0025] The fixed plate 91 is fixedly provided with a servo motor 93 on one side, and the driving end of the servo motor 93 is fixedly connected with the rotation shaft of the gear 92.
[0026] By adopting the above technical scheme, by setting the servo motor 93, the gear 92 can be better driven to rotate, thereby realizing the driving of the equipment.
[0027] The contact surface of the intelligent display screen 2 and the two writing boards 3 is provided with a mutually matched arc surface 10.
[0028] By adopting the above technical scheme, by setting the contact surface of the intelligent display screen 2 and the two writing boards 3 as the mutually matched arc surface 10, the expansion and closing of the writing board 3 are facilitated.
[0029] The wall surface 1 is fixedly provided with a PLC controller 12 on the side close to the writing board 3, and the servo motor 93 is electrically connected with the PLC controller 12.
[0030] By adopting the above technical scheme, by setting the PLC controller 12, the equipment can be better controlled to work.
[0031] Working principle: when the multi-screen active intelligent blackboard is used, the servo motor 93 drives the gear 92 to rotate, the gear 92 is in meshing connection with the two racks 8, simultaneously drives the two racks 8 to move to the side away from or close to each other, thereby driving the support assembly 7 to move along the inside of the sliding groove one 5 and the sliding groove two 6 respectively, the movement track of the writing board 3 is controlled by the cooperation between the guide rod 72 and the guide groove 11, and the stability of the movement of the writing board 3 is improved.
[0032] When the writing board 3 is retracted and unfolded, the support assembly 7 is guided by the guide groove 11, so that the writing board 3 is first inclined to one side away from the intelligent display screen 2, the position of the intelligent display screen 2 is staggered with the writing board 3, then the two writing boards 3 are moved to the side close to each other, and the two writing boards 3 are in contact with each other, so that the intelligent display screen 2 is protected by the writing board 3, when it is needed to be unfolded, the servo motor 93 is reversely rotated, and the writing board 3 is unfolded.
[0033] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. A multi-screen interactive intelligent blackboard, comprising a wall surface (1), characterized in that: The side of the wall surface (1) is fixedly provided with an intelligent display screen (2), the side of the wall surface (1) and the two sides of the intelligent display screen (2) are provided with writing boards (3), the side of the wall surface (1) and the upper side of the intelligent display screen (2) are fixedly connected with mounting plates (4), the top of the mounting plate (4) is provided with a sliding groove (5), the top of the mounting plate (4) and the two sides of the sliding groove (5) are provided with sliding grooves (6), the inside of the sliding groove (5) and the sliding groove (6) are provided with support assemblies (7), the top of the two support assemblies (7) are rotatably connected with racks (8) through connecting pieces, the two racks (8) are centrally symmetrically distributed, the bottom of the support assembly (7) is connected with the writing board (3) through the connecting piece, and the top of the mounting plate (4) is provided with a driving assembly (9).
2. The smart blackboard for multi-screen interaction according to claim 1, wherein, The support assembly (7) comprises a moving block (71), the moving block (71) is arranged in the sliding groove (5) and the sliding groove (6), the bottom of the moving block (71) is rotatably connected with a guide rod (72), the inside of the sliding groove (5) and the sliding groove (6) are provided with guide grooves (11), the guide rod (72) is movably clamped in the guide groove (11), and the bottom of the guide rod (72) is fixedly connected with the writing board (3) through the connecting piece.
3. The smart blackboard for multi-screen interaction according to claim 2, wherein, The two sides of the moving block (71) are rotatably connected with support rollers (73), and the support rollers (73) are in contact with the mounting plate (4).
4. The smart blackboard for multi-screen interaction of claim 1, wherein, The driving assembly (9) comprises two fixed plates (91), the fixed plates (91) are fixedly connected with the top of the mounting plate (4), the two fixed plates (91) are rotatably connected with a gear (92), the gear (92) is meshed with the two racks (8), the length of the gear (92) is greater than the length of the rack (8), and the two racks (8) are centrally symmetrically distributed with the rotating shaft of the gear (92) as the center of symmetry.
5. The smart blackboard for multi-screen interaction according to claim 4, characterized in that, The side of the fixed plate (91) is fixedly provided with a servo motor (93), and the driving end of the servo motor (93) is fixedly connected with the rotating shaft of the gear (92).
6. The smart blackboard for multi-screen interaction of claim 1, wherein, The contact surfaces of the intelligent display screen (2) and the two writing boards (3) are provided with mutually matched arc surfaces (10).
7. The smart blackboard for multi-screen interaction of claim 5, wherein, The side of the wall surface (1) close to the writing board (3) is fixedly provided with a PLC controller (12), and the servo motor (93) is electrically connected with the PLC controller (12).