Electric integral dry-wiping handwriting LED display panel
By introducing a threaded rod and slider system driven by a lifting motor into the handwriting LED display board, combined with an electric trolley and a connecting plate, the automatic erasing of the display board is realized, solving the problem of inconvenient erasing in the existing technology and improving the service life and convenience of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU SHENGXIANG ELECTRONIC TECH CO LTD
- Filing Date
- 2025-05-06
- Publication Date
- 2026-05-05
AI Technical Summary
Existing handwriting LED display panels lack an effective automatic erasing mechanism, which makes it easy for erasing blocks to be lost. Manual erasing is difficult to guarantee uniformity and thoroughness, which may damage the screen and affect its lifespan and display effect.
An electric integrated dry-erasing LED display board was designed. It uses a lifting motor to drive a threaded rod and a threaded sleeve, which in turn drives a slider and a sliding groove to unfold and retract the display components. The erasing plate is moved smoothly by an electric trolley and a connecting plate to achieve automatic erasing.
It achieves automated erasure of the display panel, improves the uniformity and thoroughness of the erasure effect, extends the service life of the equipment, enhances convenience and practicality, and avoids the inconvenience and potential damage of manual erasure.
Smart Images

Figure CN224203789U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of display equipment technology, and in particular to an electric integrated dry-erasing handwriting LED display panel. Background Technology
[0002] In information display and communication scenarios, display boards play a crucial role. Traditional blackboards rely on chalk for writing, which easily generates dust, harming the respiratory health of users. They are also inconvenient to wipe and their surfaces are easily worn. While whiteboards solve the dust problem, the use of water-based pens can produce odors as the ink evaporates, and some pen marks are difficult to completely remove, affecting the display effect. Ordinary LED displays are mostly for displaying fixed content and lack the flexibility of handwriting, making it difficult to meet the needs of quickly writing and changing temporary information.
[0003] Existing handwriting LED displays are usually installed using support devices for easy movement. However, the flat panel itself is relatively exposed. If the frequency of use is low, the surface is easily covered with dust, making cleaning difficult. In addition, the exposed screen lacks protection during transportation, resulting in a high screen breakage rate.
[0004] An existing patent (publication number: CN212718935U) discloses a conference tablet that uses a storage body to lift and store the tablet, ensuring better protection when the device is not in use. This not only facilitates dust prevention and maintenance but also reduces the damage rate. At the same time, the adjustable support mechanism is easy to operate and provides stable support, allowing the device to shrink to a smaller size and save placement space.
[0005] To address the aforementioned issues, existing patents offer solutions, but these are not convenient for erasing handwriting. In practical use, due to the lack of an effective automatic erasing mechanism, if manual erasing is used, the eraser blocks are small and easily lost during use. Once an eraser block is missing, the erasing function of the handwriting LED display board becomes difficult to achieve, affecting its use. Furthermore, manual erasing makes it difficult to guarantee the uniformity and thoroughness of the erasing effect, leaving traces that affect subsequent writing. It may also cause scratches and damage to the display screen, affecting the display effect and lifespan, thus reducing the practicality of the device.
[0006] To address this, an electric integrated dry-erasing LED display panel for handwriting is proposed. Utility Model Content
[0007] The purpose of this invention is to provide an electrically powered, integrated dry-erasing LED display panel that solves the problem that existing LED display panels are inconvenient for erasing handwriting. In actual use, due to the lack of an effective automatic erasing mechanism, manual erasing requires small erasing blocks that are easily lost during use. Once an erasing block is missing, the erasing function of the LED display panel becomes difficult to achieve, affecting its use. Furthermore, manual erasing makes it difficult to ensure the uniformity and thoroughness of the erasing effect, leaving traces that affect subsequent writing and may also scratch the display screen, affecting the display effect and lifespan, thus reducing the practicality of the device.
[0008] To achieve the above objectives, this utility model provides the following technical solution: an electric integrated dry-erasing handwriting LED display panel, including a base, a protective component fixedly connected to the top of the base, and a display component fixedly connected inside the protective component. The protective component includes a storage block, threaded rods rotatably connected to both sides of the inner wall of the storage block, and a lifting motor fixedly connected to the top of the threaded rods.
[0009] The display component includes a square frame. The top and bottom of the inner wall of the square frame are fixedly connected to guide blocks, and the rear side of the inside of the square frame is fixedly connected to the display panel body. Electric trolleys are movably connected to the surfaces of the two guide blocks, and a connecting plate is fixedly connected between the opposite sides of the two electric trolleys. An erasing plate is movably connected to the left side of the connecting plate, and the erasing plate is in contact with the display panel body.
[0010] Preferably, both threaded rods have threaded sleeves threadedly connected to their surfaces, and the surfaces of the threaded sleeves are rotatably connected to sliders, with a square frame located between the two sliders.
[0011] Preferably, the top of the storage block is provided with a connecting groove for use with a square frame, and the surface of the square frame is in contact with the inner wall of the connecting groove. Both sides of the inner wall of the connecting groove are provided with sliding grooves for use with a slider, and the threaded rod is located inside the sliding groove.
[0012] Preferably, a battery pack is fixedly connected to the rear side of the storage block, and the battery pack is electrically connected to the protection component and the display component.
[0013] Preferably, a positioning rod is fixedly connected inside the connecting plate, and a movable plate is movably connected to the top and bottom of the positioning rod surface. A spring is fixedly connected between the opposite sides of the two movable plates, and the spring is sleeved on the surface of the positioning rod. An L-shaped buckle block is fixedly connected to the left side of each of the two movable plates, and the other end of the L-shaped buckle block extends into the interior of the erasing plate.
[0014] Preferably, the front side of the connecting plate is provided with a moving groove for use with the moving plate, and the positioning rod is located inside the moving groove. The left side of the connecting plate is provided with a moving hole for use with the L-shaped buckle block, and the moving hole is connected to the moving groove.
[0015] Preferably, a controller is fixedly connected to the right side of the front of the storage block, and the controller is electrically connected to the protective component, the display component and the battery pack. A storage frame is fixedly connected to the front of the storage block, and a writing pen is stored inside the storage frame.
[0016] Preferably, steering wheels are fixedly connected to the four corners of the bottom of the base.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] 1. By setting up protective components, this application can smoothly move the display components, realize the unfolding and storage of the display components, and thus store and protect the display panel body when the device is not in use, thereby improving the service life of the device.
[0019] 2. This application, by setting up a display component, enables the smooth movement of the erasure plate, achieving efficient removal of written writing, facilitating subsequent use, and allowing the erasure plate to be replaced, effectively avoiding the problem of reduced cleaning effect due to wear of the erasure plate, ensuring that the equipment always maintains a good working condition, and improving the ease of use of the device. Attached Figure Description
[0020] Figure 1 This is a structural diagram of the electric integrated dry-erasing handwriting LED display panel of this utility model;
[0021] Figure 2 This is a schematic diagram showing the connection between the base, protective component, and display component of this utility model;
[0022] Figure 3 This is a front view of the electric integrated dry-erasing handwriting LED display panel of this utility model;
[0023] Figure 4 This is a schematic diagram of the structure of the protective component of this utility model;
[0024] Figure 5 This is a schematic diagram of the structure of the display component of this utility model.
[0025] In the diagram: 1. Base; 2. Protective component; 201. Storage block; 202. Threaded rod; 203. Lifting motor; 204. Threaded sleeve; 205. Slider; 3. Display component; 301. Square frame; 302. Guide block; 303. Display panel body; 304. Electric trolley; 305. Connecting plate; 306. Erasing plate; 4. Connecting groove; 5. Slide groove; 6. Battery pack; 7. Positioning rod; 8. Moving plate; 9. Spring; 10. L-shaped buckle block; 11. Moving groove; 12. Moving hole; 13. Controller; 14. Storage frame; 15. Steering wheel. Detailed Implementation
[0026] 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.
[0027] Please see Figure 1-5 The present invention provides the following technical solution:
[0028] An electric integrated dry-erasing handwriting LED display board includes a base 1, a protective component 2 is fixedly connected to the top of the base 1, and a display component 3 is fixedly connected inside the protective component 2. The protective component 2 includes a storage block 201, and threaded rods 202 are rotatably connected to both sides of the inner wall of the storage block 201. A lifting motor 203 is fixedly connected to the top of the threaded rods 202.
[0029] The display component 3 includes a square frame 301. The top and bottom of the inner wall of the square frame 301 are fixedly connected to the flow guide block 302. The rear side of the inside of the square frame 301 is fixedly connected to the display panel body 303. The surfaces of the two flow guide blocks 302 are movably connected to the electric trolleys 304. A connecting plate 305 is fixedly connected between the opposite sides of the two electric trolleys 304. An erasing plate 306 is movably connected to the left side of the connecting plate 305 and contacts the display panel body 303.
[0030] In this embodiment: the lifting motor 203 drives the threaded rod 202 to rotate, which in turn drives the threaded sleeve 204 to move smoothly, and simultaneously promotes the movement of the slider 205. This, in turn, drives the connected square frame 301 to move smoothly within the storage block 201, realizing the unfolding and storage of the display component 3. When the device is idle, the display panel body 303 can be stored and protected, improving the service life of the device. Then, under the action of the electric trolley 304, it drives the connecting plate 305 to move smoothly under the restriction of the guide block 302, and simultaneously drives the erasing plate 306 to move smoothly at the display screen body. This can smoothly and accurately erase the writing on the surface of the display screen body, thereby avoiding the phenomenon of text residue, ensuring that the device is always in good working condition, facilitating the writing operation of the operator, and improving the ease of use of the display component 3.
[0031] Specifically, such as Figure 4 As shown, threaded sleeves 204 are threadedly connected to the surfaces of both threaded rods 202, and sliders 205 are rotatably connected to the surfaces of the threaded sleeves 204, with the square frame 301 located between the two sliders 205.
[0032] Specifically, such as Figure 4 As shown, the top of the storage block 201 is provided with a connecting groove 4 for use with the square frame 301, and the surface of the square frame 301 is in contact with the inner wall of the connecting groove 4. Both sides of the inner wall of the connecting groove 4 are provided with sliding grooves 5 for use with the slider 205, and the threaded rod 202 is located inside the sliding groove 5.
[0033] Specifically, such as Figure 1 , Figure 2 As shown, a battery pack 6 is fixedly connected to the rear side of the storage block 201, and the battery pack 6 is electrically connected to the protective component 2 and the display component 3.
[0034] In this embodiment: the sliding block 205 and the sliding groove 5 work together to make the threaded rod 202 drive the threaded sleeve 204 to move smoothly, and at the same time make the sliding block 205 move smoothly under the restriction of the sliding groove 5. This can drive the square frame 301 connected to it to move under the constraint of the connecting groove 4, so as to realize the unfolding and storage of the display component 3, thereby improving the service life of the device. Then, under the action of the battery pack 6, it can provide power to the protective component 2 and the display group in real time and accurately, ensuring that the device can operate normally in an environment without external power supply, thus improving the practicality and applicability of the device.
[0035] Specifically, such as Figure 5As shown, a positioning rod 7 is fixedly connected inside the connecting plate 305, and a movable plate 8 is movably connected to the top and bottom of the surface of the positioning rod 7. A spring 9 is fixedly connected between the opposite sides of the two movable plates 8, and the spring 9 is sleeved on the surface of the positioning rod 7. An L-shaped latching block 10 is fixedly connected to the left side of the two movable plates 8, and the other end of the L-shaped latching block 10 extends into the interior of the erasing plate 306.
[0036] Specifically, such as Figure 5 As shown, the front side of the connecting plate 305 is provided with a moving groove 11 for use with the moving plate 8, and the positioning rod 7 is located inside the moving groove 11. The left side of the connecting plate 305 is provided with a moving hole 12 for use with the L-shaped buckle block 10, and the moving hole 12 is connected to the moving groove 11.
[0037] In this embodiment: the movable block communicates with the movable slot 11, allowing the movable plate 8 to move smoothly within the movable slot 11 under the constraint of the positioning rod 7 and compress the spring 9. Simultaneously, the L-shaped latch block 10 moves, releasing the locking state of the erasing plate 306 and facilitating the disassembly and replacement of the erasing plate 306. When replacing, the new erasing plate 306 is placed in a suitable position, and under the elastic action of the spring 9, the movable plate 8 and the L-shaped latch block 10 can be smoothly reset, allowing the L-shaped latch block 10 to embed into the erasing plate 306, thereby fixing the erasing plate 306 and avoiding the problem of reduced cleaning effect due to wear of the erasing plate 306. This ensures the erasing effect of the writing and improves the ease of use of the display component 3.
[0038] Specifically, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a controller 13 is fixedly connected to the right side of the front of the storage block 201, and the controller 13 is electrically connected to the protective component 2, the display component 3 and the battery pack 6. A storage frame 14 is fixedly connected to the front of the storage block 201, and a writing pen is stored inside the storage frame 14.
[0039] Specifically, such as Figure 1 , Figure 2 , Figure 3 As shown, steering wheels 15 are fixedly connected to the four corners of the bottom of the base 1.
[0040] In this embodiment: the steering wheel 15 allows the operator to move the device smoothly and adjust its position flexibly according to the actual situation. Simultaneously, the controller 13 allows the operator to precisely control the protective component 2 and the display component 3 according to the actual situation. This not only smoothly moves the display component 3, enabling its unfolding and retraction, but also smoothly moves the erasing plate 306, achieving efficient erasure of written text, facilitating subsequent use and improving the device's usability. Furthermore, the storage frame 14 stores writing pens, facilitating writing operations for the operator. After writing, the pens can be easily returned to their place, reducing the time cost of finding writing tools and improving the device's practicality.
[0041] Working Principle: When displaying documents using the LED display panel, the operator can smoothly move the device to the appropriate position using the steering wheels 15. Once in the correct position, the operator can precisely control the battery pack 6 to power the protective assembly 2 and the display assembly 3 via the controller 13, and control their operation. Starting the lifting motor 203 drives the threaded sleeve 204 to move smoothly, simultaneously promoting the movement of the slider 205. This, in turn, drives the connected square frame 301 to rise and fall within the storage block 201, unfolding the display assembly 3. At this point, the operator can write on the display screen using a pen. When it's necessary to clean up the writing, the electric trolley 304 is activated, causing the connecting plate 305 and the erasing plate 306 to move smoothly under the constraint of the guide block 302. The movable plate 8 can precisely erase the writing on the surface of the display screen, ensuring that the device is always in good working order and facilitating subsequent writing operations. After use, pressing the movable plate 8 allows it to move smoothly under the restriction of the positioning rod 7 and compress the spring 9, simultaneously moving the L-shaped latch block 10. This releases the locking state of the erasing plate 306, facilitating the removal of the old erasing plate 306. After replacing it with a new erasing plate 306, releasing the movable plate 8 allows the spring 9 to reposition the movable plate 8 and the L-shaped latch block 10, embedding the L-shaped latch block 10 into the erasing plate 306 and fixing it in place, thus replacing the erasing plate 306. Finally, starting the lifting motor 203 moves the square frame 301 smoothly into the storage block 201, protecting the display component 3 and preparing it for future use.
[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements 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. An electrically powered, integrated dry-erasable LED display panel, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a protective component (2), and the inside of the protective component (2) is fixedly connected to a display component (3). The protective component (2) includes a storage block (201). Both sides of the inner wall of the storage block (201) are rotatably connected to threaded rods (202), and the top of the threaded rods (202) is fixedly connected to a lifting motor (203). The display component (3) includes a square frame (301). The top and bottom of the inner wall of the square frame (301) are fixedly connected to guide blocks (302), and the rear side of the inside of the square frame (301) is fixedly connected to the display panel body (303). The surfaces of the two guide blocks (302) are movably connected to electric trolleys (304), and a connecting plate (305) is fixedly connected between the opposite sides of the two electric trolleys (304). An erasing plate (306) is movably connected to the left side of the connecting plate (305), and the erasing plate (306) is in contact with the display panel body (303).
2. The electrically powered integrated dry-erasable handwriting LED display panel according to claim 1, characterized in that: Both threaded rods (202) have threaded sleeves (204) threadedly connected to their surfaces. The surface of the threaded sleeves (204) is rotatably connected to sliders (205), and the square frame (301) is located between the two sliders (205).
3. The electrically integrated dry-erasable handwriting LED display panel according to claim 2, characterized in that: The top of the storage block (201) is provided with a connecting groove (4) for use with the square frame (301), and the surface of the square frame (301) is in contact with the inner wall of the connecting groove (4). Both sides of the inner wall of the connecting groove (4) are provided with sliding grooves (5) for use with the slider (205), and the threaded rod (202) is located inside the sliding groove (5).
4. The electrically powered integrated dry-erasable handwriting LED display panel according to claim 1, characterized in that: A battery pack (6) is fixedly connected to the rear side of the storage block (201), and the battery pack (6) is electrically connected to the protective component (2) and the display component (3).
5. The electrically integrated dry-erasable handwriting LED display panel according to claim 1, characterized in that: The connecting plate (305) is fixedly connected to a positioning rod (7), and the top and bottom surfaces of the positioning rod (7) are movably connected to movable plates (8). A spring (9) is fixedly connected between the opposite sides of the two movable plates (8), and the spring (9) is sleeved on the surface of the positioning rod (7). An L-shaped buckle block (10) is fixedly connected to the left side of each of the two movable plates (8), and the other end of the L-shaped buckle block (10) extends into the interior of the erasing plate (306).
6. The electrically integrated dry-erasable handwriting LED display panel according to claim 5, characterized in that: The front side of the connecting plate (305) is provided with a moving groove (11) for use with the moving plate (8), and the positioning rod (7) is located inside the moving groove (11). The left side of the connecting plate (305) is provided with a moving hole (12) for use with the L-shaped buckle block (10), and the moving hole (12) is connected to the moving groove (11).
7. The electrically powered integrated dry-erasable handwriting LED display panel according to claim 1, characterized in that: A controller (13) is fixedly connected to the right side of the front of the storage block (201), and the controller (13) is electrically connected to the protective component (2), the display component (3) and the battery pack (6). A storage frame (14) is fixedly connected to the front of the storage block (201), and a writing pen is stored inside the storage frame (14).
8. The electrically integrated dry-erasable handwriting LED display panel according to claim 1, characterized in that: Steering wheels (15) are fixedly connected to the four corners of the bottom of the base (1).
Citation Information
Patent Citations
Conference tablet
CN212718935U