Intelligent blackboard capable of adjusting angle

Abstract

The intelligent blackboard capable of adjusting the angle comprises a blackboard body and a bottom plate, the blackboard body is located at the top of the bottom plate, an erasing assembly is installed at the top of the blackboard body, and the same supporting assembly is installed between the blackboard body and the bottom plate; the erasing assembly comprises two mounting plates detachably mounted at the tops of the outer walls of the two sides of the blackboard body, a same lead screw is rotationally connected between the two mounting plates, the lead screw is sleeved with a mounting block in a threaded mode, a horizontally-arranged limiting rod is fixedly connected between the two mounting plates, and the limiting rod is slidably sleeved with the mounting block. According to the blackboard, the erasing assembly is arranged, so that the surface of the blackboard body can be rapidly and comprehensively cleaned when needed, the labor intensity of teachers is greatly reduced, and the teachers do not need to be close to the blackboard and can be prevented from inhaling dust to affect the body health.

Description

Technical Field

[0001] This utility model relates to the field of teaching aids technology, specifically to a smart blackboard with adjustable angle. Background Technology

[0002] In traditional teaching methods, blackboards and chalk are the most common teaching tools for teachers. To address the problems associated with traditional blackboards, smart blackboards have emerged. Smart blackboards typically employ capacitive or infrared touch technology, combining the traditional blackboard with multimedia devices. This combination not only retains the function of blackboard writing but also allows for seamless switching between blackboard writing and media applications.

[0003] A search revealed a utility model patent with Chinese patent publication number CN219775241U, which discloses a smart blackboard that is easy to adjust in height and tilt angle. The blackboard includes a main body, a support frame, and a control box. Pneumatic lifting cylinders are symmetrically arranged on both sides of the bottom front of the support frame. A mounting plate is fixedly installed on the top of the pneumatic lifting cylinders. A pin connecting block is protruding from the center of the front of the mounting plate.

[0004] When using the aforementioned blackboards, writing is often done on them with chalk. If a different course is to be taught, all the original writing must be cleaned up, which is quite labor-intensive. Furthermore, the erasing process also releases dust, which can have an impact on human health. Utility Model Content

[0005] The purpose of this invention is to provide a smart blackboard with adjustable angle to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an adjustable-angle smart blackboard, comprising a blackboard body and a base plate, wherein the blackboard body is located at the top of the base plate, an erasing component is installed on the top of the blackboard body, and a common support component is installed between the blackboard body and the base plate. The erasing component includes two mounting plates detachably mounted on the top of the outer walls on both sides of the blackboard body, and a common lead screw is rotatably connected between the two mounting plates. An mounting block is threaded onto the outside of the lead screw, and a horizontally arranged limiting rod is fixedly connected between the two mounting plates. The mounting block is slidably mounted on the outside of the limiting rod, and a vertically arranged limiting groove is formed on the outer wall of one end of the mounting block. A motor adapted to the lead screw is installed on the outside of one of the mounting plates.

[0007] As a further preferred embodiment of this technical solution, a mounting rod is slidably inserted into the limiting groove, a blackboard eraser is slidably inserted into the bottom outer wall of the mounting rod, and two pins are slidably inserted into the bottom of the outer wall of one end of the mounting rod, and both pins can be inserted into the blackboard eraser.

[0008] As a further preferred embodiment of this technical solution, the two mounting plates are rotatably connected by the same push rod. The push rod has a cam-shaped cross-section and a rectangular groove is provided at the top of the mounting rod, which is fitted outside the push rod. Two meshing gears are rotatably connected to one side of the outer wall of one of the mounting plates. The two gears are coaxially fixed with the lead screw and the push rod shaft, respectively.

[0009] It can quickly and thoroughly clean the surface of the blackboard when needed, greatly reducing the teacher's workload and preventing the teacher from inhaling dust and affecting their health. Activating the motor on the outside of the mounting plate drives the lead screw to rotate. Under the constraint of the limit rod and the drive of the lead screw, the mounting block moves horizontally. The mounting rod inserted into the limit slot is moved synchronously, and the blackboard eraser follows the mounting rod to erase the writing on the blackboard surface. While the lead screw rotates, a gear connected to it rotates synchronously. This gear meshes with another gear, causing the push rod to rotate synchronously. When the protruding part of the push rod presses against the top wall of the mounting rod groove, the mounting rod is pushed upwards; when the protruding part of the push rod presses against the bottom wall of the mounting rod groove, the mounting rod is pushed downwards. This reciprocating motion ensures that the blackboard eraser moves up and down during horizontal movement, improving the erasing effect.

[0010] As a further preferred embodiment of this technical solution, a support column is rotatably connected to one side of the top outer wall of the base plate. A second limiting groove with an arc shape is provided on the base plate, and the center of the second limiting groove coincides with the rotation axis of the support column. Another support column is slidably connected inside the second limiting groove. The top ends of the two support columns are fixedly connected to the same hinge seat, and the blackboard body is rotatably connected inside the hinge seat.

[0011] As a further preferred embodiment of this technical solution, the outer wall of one side of the hinge seat is provided with multiple insertion holes, and the multiple insertion holes are distributed in a circle. One end of the blackboard body pivot is fixedly connected to an extension rod, and one end of the extension rod is slidably inserted with a pin two, which can be inserted into the multiple insertion holes.

[0012] As a further preferred embodiment of this technical solution, another of the support column bases is threaded with a bolt, which can contact the second limiting groove.

[0013] If the external light source is shining into the room through a window, simply push the movable support column. Under the action of external force, it will slide along the arc-shaped limiting groove two, and the hinge will also be driven to flip. Stop adjusting when the external light source can no longer shine directly on the blackboard body. Then turn the bolt, and the bolt will move down along the support column base and fit against the bottom wall of the limiting groove two, thus fixing the position of the movable support column. If the external light source is a lamp, simply flip the blackboard body, and its rotating shaft will drive the extension rod to rotate synchronously. Stop adjusting when the light no longer shines directly on the surface of the blackboard body. Then insert the pin two into one end of the extension rod and continue pushing. The pin two will then enter the corresponding socket, and the angle of the blackboard body will be fixed, thus ensuring that the blackboard is more convenient for students to view.

[0014] As a further preferred embodiment of this technical solution, the transmission ratio of the two gears is less than one, and the number of teeth on the gear connected to the lead screw is greater than the number of teeth on the gear connected to the push rod.

[0015] This invention provides a smart blackboard with an adjustable angle, which has the following beneficial effects:

[0016] (1) By setting up an erasing component, this utility model can quickly and thoroughly clean the surface of the blackboard body when needed, greatly reducing the teacher's labor intensity. Furthermore, the teacher does not need to be close to the blackboard, which also avoids the teacher inhaling dust and affecting their health. When the motor outside the mounting plate is started, the motor drives the lead screw to rotate. Under the restriction of the limit rod and the drive of the lead screw, the mounting block will move along the horizontal direction. The mounting rod inserted in the limit groove will be driven to move synchronously. The blackboard eraser will follow the mounting rod to erase the writing on the surface of the blackboard body. While the lead screw is rotating, a gear connected to it will rotate synchronously. This gear drives another gear to rotate through meshing. The top rod is rotated synchronously by the other gear. When the protruding part of the top rod presses against the top wall of the mounting rod groove, the mounting rod will be pushed upward. When the protruding part of the top rod presses against the bottom wall of the mounting rod groove, the mounting rod will be pushed downward. This process is repeated to ensure that the blackboard eraser will move up and down during horizontal movement, which is beneficial to increasing the erasing effect.

[0017] (2) By setting up a support component, if the external light source is shining into the room from the window, as long as the movable support column is pushed, it will slide along the arc-shaped limiting groove 2 under the action of external force, and the hinge will also be driven to flip until the external light source can no longer shine directly on the blackboard body, then stop the adjustment. Then rotate the bolt, and then the bolt moves down along the support column base and fits against the bottom wall of the limiting groove 2, and the position of the movable support column will be fixed. If the external light source is a lamp, as long as the blackboard body is flipped, its rotating shaft will drive the extension rod to rotate synchronously. When the light no longer shines directly on the surface of the blackboard body, stop the adjustment. Then insert the pin 2 into one end of the extension rod and continue to push, and the pin 2 will enter the corresponding socket, and the angle of the blackboard body will be fixed, thereby ensuring that the blackboard is more convenient for students to view. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 For the present utility model Figure 1 Enlarged structural diagram at point A;

[0020] Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point B;

[0021] Figure 4 For the present utility model Figure 1 Enlarged structural diagram at point C;

[0022] In the diagram: 1. Blackboard body; 2. Base plate; 3. Eraser assembly; 4. Support assembly; 301. Mounting plate; 302. Lead screw; 303. Limiting rod; 304. Mounting block; 305. Limiting groove one; 306. Mounting rod; 307. Top rod; 308. Gear; 309. Motor; 310. Blackboard eraser; 311. Pin one; 401. Limiting groove two; 402. Support column; 403. Bolt; 404. Hinge; 405. Extension rod; 406. Insertion hole; 407. Pin two. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] This utility model provides a technical solution: such as Figure 1 and Figure 2As shown in this embodiment, an adjustable-angle smart blackboard includes a blackboard body 1 and a base plate 2. The blackboard body 1 is located at the top of the base plate 2. An erasing component 3 is installed on the top of the blackboard body 1. The same support component 4 is installed between the blackboard body 1 and the base plate 2. The erasing component 3 includes two mounting plates 301 that are detachably installed on the top of the outer walls on both sides of the blackboard body 1. The two mounting plates 301 are rotatably connected to the same lead screw 302. An mounting block 304 is threaded onto the outside of the lead screw 302. A horizontally set limiting rod 303 is fixedly connected between the two mounting plates 301. The mounting block 304 is slidably sleeved on the outside of the limiting rod 303. A vertically set limiting groove 305 is opened on the outer wall of one end of the mounting block 304. A motor 309 adapted to the lead screw 302 is installed on the outside of one of the mounting plates 301.

[0025] An installation rod 306 is slidably inserted into the limiting groove 305. A blackboard eraser 310 is slidably inserted into the bottom outer wall of the installation rod 306. Two pins 311 are slidably inserted into the bottom outer wall of one end of the installation rod 306, and both pins 311 can be inserted into the blackboard eraser 310. If the blackboard eraser 310 needs to be cleaned or replaced, simply pull out the pins 311. At this time, the blackboard eraser 310 will no longer be restricted, and it can be removed by simply pulling it down.

[0026] The same push rod 307 is rotatably connected between the two mounting plates 301. The push rod 307 has a cam-shaped cross section. A rectangular groove is opened at the top of the mounting rod 306 and the rectangular groove is sleeved on the outside of the push rod 307. Two meshing gears 308 are rotatably connected to one side of the outer wall of one of the mounting plates 301. The two gears 308 are coaxially fixed with the lead screw 302 and the rotating shaft of the push rod 307, respectively.

[0027] When the blackboard body 1 needs to erase the writing, the motor 309 outside the mounting plate 301 is activated. The motor 309 drives the lead screw 302 to rotate. Under the restriction of the limit rod 303 and the drive of the lead screw 302, the mounting block 304 will move horizontally. The mounting rod 306, which is inserted into the limit slot 305, will be driven to move synchronously. The blackboard eraser 310 will follow the mounting rod 306 to erase the writing on the surface of the blackboard body 1. While the lead screw 302 rotates, a gear 30 connected to it... The 8 gears will rotate synchronously. This gear 308 drives another gear 308 to rotate through meshing. The push rod 307 is rotated synchronously by the other gear 308. When the protruding part of the push rod 307 presses against the top wall of the groove of the mounting rod 306, the mounting rod 306 will be pushed upward. When the protruding part of the push rod 307 presses against the bottom wall of the groove of the mounting rod 306, the mounting rod 306 will be pushed downward. This process repeats, ensuring that the blackboard eraser 310 moves up and down during horizontal movement, which helps to increase the erasing effect.

[0028] like Figure 3 and Figure 4 As shown, a support column 402 is rotatably connected to one side of the top outer wall of the base plate 2. An arc-shaped limiting groove 401 is provided on the base plate 2, and the center of the limiting groove 401 coincides with the rotation axis of the support column 402. Another support column 402 is slidably connected inside the limiting groove 401. The top ends of the two support columns 402 are fixedly connected to the same hinge seat 404. The blackboard body 1 is rotatably connected inside the hinge seat 404.

[0029] The outer wall of one side of the hinge 404 has multiple insertion holes 406, which are arranged in a circular pattern. One end of the pivot of the blackboard body 1 is fixedly connected to an extension rod 405, and one end of the extension rod 405 is slidably inserted with a second pin 407. The second pin 407 can be inserted into the multiple insertion holes 406.

[0030] Another support column 402 has a threaded connection to the base of a bolt 403, which can contact the limiting groove 401.

[0031] If the external light source is shining into the room from a window, simply push the movable support column 402. Under the action of external force, it will slide along the arc-shaped limiting groove 401, and the hinge 404 will also be driven to flip. The adjustment can be stopped when the external light source can no longer shine directly on the blackboard body 1. Then, rotate the bolt 403. Subsequently, the bolt 403 will move down along the base of the support column 402 and fit against the bottom wall of the limiting groove 401, and the position of the movable support column 402 will be fixed. If the external light source is a lamp, simply flip the blackboard body 1. Its rotating shaft will drive the extension rod 405 to rotate synchronously. The adjustment can be stopped when the light no longer shines directly on the surface of the blackboard body 1. Then, insert the pin 407 into one end of the extension rod 405 and continue to push. The pin 407 will then enter the corresponding socket 406, and the angle of the blackboard body 1 will be fixed, thus ensuring that the blackboard is more convenient for students to view.

[0032] like Figure 2 As shown, the transmission ratio of the two gears 308 is less than one, and the number of teeth of the gear 308 connected to the lead screw 302 is greater than the number of teeth of the gear 308 connected to the push rod 307. The gear 308 connected to the lead screw 302 can drive the gear 308 connected to the push rod 307 to rotate multiple times when the gear 308 rotates once, thereby making the oscillation efficiency of the blackboard eraser 310 higher.

[0033] This invention provides a smart blackboard with an adjustable angle, and its working principle is as follows:

[0034] When the device is working, if the external light source is shining into the room from a window, simply push the movable support column 402. Under the action of external force, it will slide along the arc-shaped limiting groove 401, and the hinge 404 will also be driven to rotate. Adjustment can be stopped when the external light source can no longer directly shine on the blackboard body 1. Then, rotate the bolt 403. Subsequently, the bolt 403 moves down along the base of the support column 402 and fits against the bottom wall of the limiting groove 401, fixing the position of the movable support column 402. For lighting, simply flip the blackboard body 1; its rotating shaft will drive the extension rod 405 to rotate synchronously. Stop adjusting when the light no longer shines directly on the surface of the blackboard body 1. Then, insert the second pin 407 into one end of the extension rod 405 and push further. The second pin 407 will then enter the corresponding socket 406, fixing the angle of the blackboard body 1 and ensuring the blackboard is more easily visible to students. When the blackboard body 1 needs to erase writing, activate the motor 309 outside the mounting plate 301. The motor 309 drives the... As rod 302 rotates, mounting block 304, limited by limit rod 303 and driven by lead screw 302, moves horizontally. Mounting rod 306, inserted into limit slot 305, moves synchronously, and blackboard eraser 310 erases writing on the surface of blackboard body 1 following mounting rod 306. Simultaneously with the rotation of lead screw 302, a gear 308 connected to it rotates synchronously. This gear 308, through meshing, drives another gear 308 to rotate, and push rod 307 is driven by the other gear 308. 8. When the protruding part of the top rod 307 presses against the top wall of the groove of the mounting rod 306, the mounting rod 306 will be pushed upward. When the protruding part of the top rod 307 presses against the bottom wall of the groove of the mounting rod 306, the mounting rod 306 will be pushed downward. This process repeats, ensuring that the blackboard eraser 310 moves up and down during horizontal movement, which helps to increase the erasing effect. If the blackboard eraser 310 needs to be cleaned or replaced, simply pull out the pin 311. At this time, the blackboard eraser 310 will no longer be restricted, and it can be removed by simply pulling it down.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A smart blackboard with adjustable angle, comprising a blackboard body (1) and a base plate (2), characterized in that: The blackboard body (1) is located at the top of the base plate (2). An erasing component (3) is installed on the top of the blackboard body (1). The same support component (4) is installed between the blackboard body (1) and the base plate (2). The erasing component (3) includes two mounting plates (301) that are detachably installed on the top of the outer walls on both sides of the blackboard body (1). The two mounting plates (301) are rotatably connected to the same lead screw (302). The lead screw (302) is threaded with an mounting block (304). A horizontally set limiting rod (303) is fixedly connected between the two mounting plates (301). The mounting block (304) is slidably sleeved on the outside of the limiting rod (303). A vertically set limiting groove (305) is opened on the outer wall of one end of the mounting block (304). A motor (309) adapted to the lead screw (302) is installed on the outside of one of the mounting plates (301).

2. The smart blackboard with adjustable angle according to claim 1, characterized in that: An installation rod (306) is slidably inserted into the limiting groove (305). A blackboard eraser (310) is slidably inserted into the bottom outer wall of the installation rod (306). Two pins (311) are slidably inserted into the bottom of the outer wall of one end of the installation rod (306), and both pins (311) can be inserted into the blackboard eraser (310).

3. The smart blackboard with adjustable angle according to claim 2, characterized in that: The two mounting plates (301) are rotatably connected by the same push rod (307). The push rod (307) has a cam-shaped cross section. A rectangular groove is provided at the top of the mounting rod (306), and the rectangular groove is fitted outside the push rod (307). Two meshing gears (308) are rotatably connected to one side of the outer wall of one of the mounting plates (301). The two gears (308) are coaxially fixed with the lead screw (302) and the shaft of the push rod (307), respectively.

4. The smart blackboard with adjustable angle according to claim 1, characterized in that: A support column (402) is rotatably connected to one side of the top outer wall of the base plate (2). An arc-shaped limiting groove (401) is provided on the base plate (2), and the center of the limiting groove (401) coincides with the rotation axis of the support column (402). Another support column (402) is slidably connected inside the limiting groove (401). The top ends of the two support columns (402) are fixedly connected to the same hinge seat (404). The blackboard body (1) is rotatably connected inside the hinge seat (404).

5. A smart blackboard with adjustable angle according to claim 4, characterized in that: The hinge (404) has multiple insertion holes (406) on one side of its outer wall, and the multiple insertion holes (406) are arranged in a circle. One end of the rotating shaft of the blackboard body (1) is fixedly connected to an extension rod (405), and one end of the extension rod (405) is slidably inserted with a second pin (407). The second pin (407) can be inserted into the multiple insertion holes (406).

6. A smart blackboard with adjustable angle according to claim 4, characterized in that: Another support column (402) base is threaded with a bolt (403) that can contact the limiting groove (401).

7. A smart blackboard with adjustable angle according to claim 3, characterized in that: The transmission ratio of the two gears (308) is less than one, and the number of teeth of the gear (308) connected to the lead screw (302) is greater than the number of teeth of the gear (308) connected to the push rod (307).

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