Convenient scratch-proof liquid crystal electronic whiteboard

Abstract

This utility model relates to the field of display device technology and discloses a convenient scratch-resistant LCD electronic whiteboard, including a movable support component, a scratch-resistant component fixedly installed on the top of the movable support component, and a protective curtain wrapped around the scratch-resistant component to form a screen shield for protection when the whiteboard is not in use. The protective curtain and the movable support component are detachably connected through a snap-fit ​​structure. By setting up the protective curtain, which can cover the screen and form a solid physical barrier with the rigid support of rectangular strips, a buffer layer is formed between the screen and the protective curtain. When encountering external impacts such as friction from people walking, collisions with tables and chairs, throwing toys, or scratching by pets, external forces are prevented from acting directly on the screen, reducing the risk of scratches and damage. It effectively avoids the problem of liquid directly contacting the screen due to the water absorption of traditional dust cloths, which can damage the surface coating and cause short circuits. This improves the protection of the screen and extends the service life of the device.

Description

Technical Field

[0001] This utility model relates to the field of display equipment technology, and in particular to a convenient scratch-resistant liquid crystal electronic whiteboard. Background Technology

[0002] With the continuous advancement of educational informatization and office automation, LCD electronic whiteboards, with their strong interactivity, clear display, and convenient operation, are widely used in school classrooms, corporate conference rooms, training venues, and other scenarios, becoming an important tool for information display, interactive teaching, and meeting communication. By combining LCD display technology with touch sensing functionality, they achieve the functional integration of traditional whiteboards and modern electronic devices, greatly improving the efficiency of information transmission and interactive communication.

[0003] Most screens for LCD electronic whiteboards use an exposed design. To avoid direct exposure of the screen to the external environment when not in use, some users choose to cover the surface with a dust cover for simple protection. In high-traffic office areas, cramped classroom corners, or places where children play or pets are active, the screen may be directly impacted or the impact may be transmitted through the dust cover, causing scratches on the screen surface. If a cup of water is spilled or a beverage is splashed, the liquid will quickly penetrate the dust cover and come into direct contact with the screen, which may damage the anti-glare coating on the screen surface and may also seep into the device, causing a short circuit and shortening the device's lifespan.

[0004] Therefore, a convenient and scratch-resistant LCD electronic whiteboard was designed. Utility Model Content

[0005] This invention addresses the shortcomings of existing technologies by providing a convenient, scratch-resistant LCD electronic whiteboard. It solves the problem that when the screen is not in use, it is directly exposed to the external environment and is easily scratched by external forces such as accidental collisions or friction.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A convenient scratch-resistant LCD electronic whiteboard includes a movable support component, a scratch-resistant component fixedly installed on the top of the movable support component, and a protective curtain wrapped around the scratch-resistant component to form a screen shield for protection when the whiteboard is not in use. The protective curtain and the movable support component are detachably connected by a snap-fit ​​structure.

[0007] Preferably, the movable support component includes a base plate, a support frame is fixedly installed on the top of the base plate, and a cross plate is fixedly installed on the outer wall of the support frame.

[0008] Preferably, the side of the horizontal plate is designed in a stepped shape, and magnets are provided on the outer wall of the horizontal plate.

[0009] Preferably, the top of the horizontal plate is hinged with a hook for securing it to the protective curtain. The hook is non-magnetic, made of metal, and can rotate freely around the hinge point.

[0010] Preferably, the top of the horizontal plate is provided with a plurality of storage boxes for storing teaching or office supplies, and the bottom of each of the plurality of storage boxes is provided with a magnet with the opposite magnetic properties to those of the horizontal plate.

[0011] Preferably, the anti-scratch component includes two mounting brackets 1 and two mounting brackets 2. The two mounting brackets 1 and 2 are symmetrically designed and are all fixedly connected to the support frame by bolts. A camera is fixedly installed on the outer wall of the corresponding mounting bracket 1 by bolts.

[0012] Preferably, a round rod 1 is rotatably mounted on one side of each of the two mounting brackets 1 that are close to each other, and a round rod 2 is rotatably mounted on one side of each of the two mounting brackets 2 that are close to each other, with a handle fixedly mounted on one end of the round rod 2.

[0013] Preferably, one end of the protective curtain is fixedly connected to the outer wall of the second round rod. The protective curtain is wound and stored by rotating the second round rod. The protective curtain is in contact with the first round rod, and the first round rod provides support for the protective curtain, ensuring that the protective curtain can cover the whiteboard screen surface flat when unfolded.

[0014] Preferably, a rectangular strip is fixedly installed at the bottom of the protective curtain to increase the weight and structural strength of the bottom of the protective curtain, and the rectangular strip is made of rigid plastic.

[0015] Preferably, a ring is fixedly installed at the bottom of the rectangular strip, and the ring is engaged with the hook.

[0016] Compared with the prior art, the present invention has the following beneficial effects: This invention utilizes a protective curtain that covers the screen, forming a solid physical barrier with the rigid support of rectangular strips. This creates a buffer layer between the screen and the curtain, preventing direct impact from external forces such as friction from people walking, collisions with tables and chairs, toys being thrown, or pets scratching the screen. This reduces the risk of scratches and damage and effectively avoids the problem of traditional dust cloths absorbing water and causing liquid to directly contact the screen, damaging the surface coating and causing short circuits. This enhances the protection of the screen and extends the lifespan of the device. Furthermore, during opening and closing, the rectangular strips can be held by hand to avoid contact with the screen, effectively resisting external scratches. On the other hand, opening and closing are achieved by rotating the handle. The first round rod reduces friction, the second round rod has a damping design to ensure positional stability, and the second mounting bracket can be rotated to adjust the position, making the opening, closing, and fixing of the protective curtain easy and effortless. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This utility model Figure 1 A magnified structural diagram of A in the middle; Figure 3 This is an exploded structural diagram of the protective curtain and movable support component of this utility model; Figure 4 This utility model Figure 3 A magnified structural diagram of B in the diagram; Figure 5 This is a schematic diagram of the overall side structure of this utility model; Figure 6 This is a partial exploded structural diagram of the anti-scratch component of this utility model.

[0019] Drawing number descriptions: 1. Movable support component; 11. Base plate; 12. Support frame; 13. Horizontal plate; 131. Hook; 132. Storage box; 2. Scratch-resistant component; 21. Mounting bracket one; 210. Circular groove; 211. Circular rod one; 212. Camera; 22. Mounting bracket two; 221. Circular rod two; 222. Handle; 3. Protective curtain; 31. Rectangular strip; 311. Circular ring. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings.

[0021] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious modifications will be apparent to those skilled in the art. The basic principles of the present invention defined in the following description can be used in other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0022] Those skilled in the art should understand that in the disclosure of this utility model, the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or position based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.

[0023] It is understood that the term "a" should be understood as "at least one" or "one or more," that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0024] Example 1: Please see Figures 1-6 A convenient scratch-resistant LCD electronic whiteboard includes a movable support component 1 for realizing the overall device movement and stable support function, a scratch-resistant component 2 fixedly installed on the top of the movable support component 1 for providing a protective structure mounting base, and a protective curtain 3 wrapped around the scratch-resistant component 2 for shielding and protecting the screen when the whiteboard is not in use. The protective curtain 3 and the movable support component 1 are detachably connected through a snap-fit ​​structure to ensure the stability of the protective state. The movable support component 1 includes a base plate 11 that serves as the bottom support. A support frame 12 for supporting the whiteboard body and other components is fixedly installed on the top of the base plate 11. A horizontal plate 13 for providing auxiliary support and functional expansion mounting positions is fixedly installed on the outer wall of the support frame 12. The horizontal plate 13 is perpendicular to the support frame 12 to ensure structural stability. The side of the horizontal plate 13 has a stepped design, which can adapt to different installation height requirements. Magnets are provided on the outer wall of the horizontal plate 13, which can achieve quick connection and positioning with other magnetic components through magnetic adsorption. A hook 131 is hinged to the top of the horizontal plate 13 for locking and fixing with the protective curtain 3. The hook 131 is non-magnetic, made of metal, and can rotate freely around the hinge point to adapt to different locking angle requirements. The top of the horizontal plate 13 is provided with multiple storage boxes 132 for storing teaching or office supplies. The bottom of each storage box 132 is provided with a magnet that is opposite to the magnetism of the horizontal plate 13. The storage boxes 132 are stably placed on the horizontal plate 13 by means of the principle of attraction between opposite poles, which also facilitates quick retrieval and position adjustment.

[0025] The scratch-resistant component 2 includes two symmetrically distributed mounting brackets 1 21 and two symmetrically distributed mounting brackets 22. The two mounting brackets 1 21 and mounting brackets 22 are symmetrically designed and are all fixedly connected to the support frame 12 by bolts. The bolt connection method facilitates the disassembly and maintenance of the component and has high connection strength, which can ensure the stability of long-term use. A camera 212 for image acquisition function is fixedly installed on the outer wall of the corresponding mounting bracket 1 21 by bolts. This bolt connection method allows the camera 212 to be stably installed on the mounting bracket 1 21, and at the same time facilitates the disassembly, repair or replacement of the camera 212 according to actual needs. The setting of the camera 212 can meet the needs of image acquisition, remote interaction and other functions in teaching or conference scenarios. Two mounting brackets 21 are each rotatably mounted on one side close to each other, with a round rod 211 for guiding and supporting the protective curtain 3. The round rod 211 can rotate freely around its own axis to reduce the friction when the protective curtain 3 is pulled. Two mounting brackets 22 are each rotatably mounted on one side close to each other, with a round rod 221 for winding the protective curtain 3. One end of the round rod 221 is fixedly mounted with a handle 222 for easy manual rotation. The protective curtain 3 can be raised and lowered by rotating the handle 222. One end of the protective curtain 3 is fixedly connected to the outer wall of the second round rod 221. The protective curtain 3 is wrapped and stored by rotating the second round rod 221. The protective curtain 3 is in contact with the first round rod 211, and the first round rod 211 provides support for the protective curtain 3, ensuring that the protective curtain 3 can cover the whiteboard screen surface flat when unfolded. The bottom of the protective curtain 3 is fixedly equipped with a rectangular strip 31 to increase the weight and structural strength of the bottom of the protective curtain 3. The rectangular strip 31 is made of rigid plastic, which can ensure that the protective curtain 3 hangs down naturally when unfolded, and can also prevent the bottom from being easily worn due to its softness. A ring 311 is fixedly installed at the bottom of the rectangular strip 31 for engaging with the hook 131. The ring 311 engages with the hook 131. This engagement structure can fix the bottom of the protective curtain 3, preventing it from shifting due to external force in the protective state and ensuring the reliability of the protective effect.

[0026] The protective curtain 3, provided with the device, can completely cover the screen when not in use. Combined with the rigid support of the rectangular strip 31, it forms a solid physical barrier, preventing scratches from external impacts and friction. This is especially suitable for scenarios with frequent personnel activity, such as primary and secondary school classrooms. During the raising and lowering of the protective curtain 3, the rectangular strip 31 can be manually supported to further prevent contact and wear with the screen. This dual-protection design significantly reduces the probability of screen damage and substantially extends the lifespan of the LCD electronic whiteboard. The raising and lowering of the protective curtain 3 is achieved by rotating the handle 222. The rotating design of the first round rod 211 reduces pulling friction, making operation easier. The damping design at the contact point between the second round rod 221 and the second mounting bracket 22 ensures the protective curtain 3 remains stable in position when no external force is applied, preventing it from slipping or retracting on its own. The second mounting bracket 22 can be manually rotated, facilitating adjustment of the relative position of the rectangular strip 31 at the bottom of the protective curtain 3 and the hook 131. This makes the separation and engagement of the ring 311 and the hook 131 easier, allowing even first-time users to quickly learn how to use it. The base plate 11 of the movable support component 1 provides a stable support foundation. Combined with the vertical connection design between the support frame 12 and the horizontal plate 13, this ensures the equipment is not easily shaken during movement and use, improving the overall structural stability. After the hook 131 engages with the ring 311, rotating the handle 222 again tightens the protective curtain 3, maintaining a stable engagement point and effectively preventing the curtain 3 from shifting due to external forces, ensuring the reliability of the protective state. The storage box 132 at the top of the horizontal plate 13 is fixed by a magnetic connection, facilitating easy access to tools. Its position can be flexibly adjusted according to needs, meeting the storage needs of stationery, teaching aids, and other items during teaching or office work, making the operating area more tidy and organized. The entire device can be easily pushed using the movable support component 1, allowing for convenient adjustment of its placement according to usage needs. It is suitable for classrooms, meeting rooms, and other scenarios of different sizes, enhancing the flexibility and practicality of the equipment.

[0027] Workflow If the equipment is in a protective state and the protective curtain 3 covers the screen, first manually rotate the mounting bracket 22 to adjust the position so that the rectangular strip 31 at the bottom of the protective curtain 3 is close to the hook 131, so that the operator can separate the ring 311 from the hook 131 and release the snap-fit ​​fixation at the bottom of the protective curtain 3. The handle 222 at one end of the circular rod 221 in the reverse-rotating anti-scratch component 2 has damping at the contact point between the circular rod 221 and the mounting bracket 22, requiring external force to rotate the circular rod 221. Driving the circular rod 221 to rotate gradually winds the protective curtain 3 around it. During this process, the rectangular strip 31 is held in place to prevent it from contacting the screen and causing scratches. The protective curtain 3 contacts the circular rod 211, which rotates as the protective curtain 3 moves, reducing pulling friction until the protective curtain 3 is completely retracted, exposing the LCD electronic whiteboard screen. Depending on teaching or office needs, the equipment can be moved to a suitable position by moving the support component 1. The base plate 11 provides stable support to ensure that the equipment does not shake during use. To access tools, simply take them from the storage box 132 at the top of the horizontal panel 13. The storage box 132 is magnetically connected to the horizontal panel 13 via a magnet at its bottom, making it easy to access and place. If you need to adjust its position, simply move the storage box 132. After use, store in protective mode. After use, one hand rotates the handle 222 in the opposite direction to apply external force to overcome damping, while the other hand holds the rectangular bar 31, causing the round rod 221 to release the protective curtain 3; the protective curtain 3 hangs down naturally under the gravity of the rectangular bar 31, and is gradually unfolded and covers the screen surface by the guidance and support of the round rod 211. After the protective curtain 3 is fully unfolded, align the ring 311 at the bottom of the rectangular strip 31 with the hook 131 on the horizontal plate 13, and rotate the hook 131 to engage with the ring 311. To ensure a stable engagement, after the hook 131 is engaged with the ring 311, rotate the handle 222 again to tighten the protective curtain 3, thereby keeping the hook 131 and the ring 311 in a taut state and preventing the protective curtain 3 from shifting due to external force. If the equipment needs to be moved, simply push the support frame 12 and move the support component 1 to the storage location. The horizontal plate 13 is set perpendicular to the support frame 12 to ensure the overall structure is stable during the movement.

[0028] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the stated principles, the implementation of the present invention may have any variations or modifications.

Claims

1. A portable scratch-resistant liquid crystal electronic whiteboard, characterized by, Includes a movable support component (1), a scratch-resistant component (2) fixedly installed on the top of the movable support component (1), and a protective curtain (3) wrapped around the scratch-resistant component (2) and used to shield and protect the screen when the whiteboard is not in use. The protective curtain (3) and the movable support component (1) are detachably connected by a snap-fit ​​structure. The anti-scratch component (2) includes two mounting brackets (21) and two mounting brackets (22). The two mounting brackets (21) and the two mounting brackets (22) are symmetrically designed and are fixedly connected to the support frame (12) by bolts. A camera (212) is fixedly installed on the outer wall of the corresponding mounting bracket (21) by bolts. Two mounting brackets (21) are rotatably mounted on one side close to each other, and two mounting brackets (22) are rotatably mounted on one side close to each other, with a handle (222) fixedly mounted on one end of the round rod (221). One end of the protective curtain (3) is fixedly connected to the outer wall of the second round rod (221). The protective curtain (3) is wrapped and stored by the rotation of the second round rod (221). The protective curtain (3) is in contact with the first round rod (211). The first round rod (211) supports the protective curtain (3) to ensure that the protective curtain (3) can cover the whiteboard screen surface flat when unfolded. The bottom of the protective curtain (3) is fixedly installed with a rectangular strip (31) to increase the weight and structural strength of the bottom of the protective curtain (3). The rectangular strip (31) is made of rigid plastic.

2. A portable scratch-resistant liquid crystal electronic whiteboard according to claim 1, characterized in that: The movable support component (1) includes a base plate (11), a support frame (12) is fixedly installed on the top of the base plate (11), and a horizontal plate (13) is fixedly installed on the outer wall of the support frame (12).

3. A portable scratch-resistant liquid crystal electronic whiteboard according to claim 2, characterized in that: The side of the horizontal plate (13) is designed in a stepped shape, and magnets are provided on the outer wall of the horizontal plate (13).

4. A portable scratch-resistant liquid crystal electronic whiteboard according to claim 3, characterized in that: The top of the horizontal plate (13) is hinged with a hook (131) for locking and fixing with the protective curtain (3). The hook (131) is non-magnetic, made of metal, and can rotate freely around the hinge point.

5. A portable scratch-resistant liquid crystal electronic whiteboard according to claim 3, characterized in that: The top of the horizontal plate (13) is provided with a plurality of storage boxes (132) for storing teaching or office supplies. The bottom of each of the storage boxes (132) is provided with a magnet that is opposite to the magnetism of the horizontal plate (13).

6. A portable scratch-resistant liquid crystal electronic whiteboard according to claim 1, characterized in that: A ring (311) is fixedly installed at the bottom of the rectangular strip (31), and the ring (311) is engaged with the hook (131).

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