Electronic blackboard

Abstract

The utility model relates to an electronic blackboard, which belongs to the technical field of electronic blackboards, and comprises an electronic blackboard main body, an adjusting frame, a cleaning cover and a cleaning cylinder, the inner wall of the adjusting frame is rotatably connected with two ball screws, the outer wall of each ball screw is in threaded connection with a screw nut, and the screw nuts are fixedly connected with the cleaning cover. The two ball screws are fixedly connected with synchronous wheels, the outer walls of the synchronous wheels are sleeved with synchronous belts, the synchronous wheels on the two sides are in transmission connection through the synchronous belts, the ball screw on one side is fixedly connected with a band-type brake stepping motor, and the inner wall of the cleaning cover is fixedly connected with a rotating motor. According to the blackboard cleaning device, the adjusting structure driven by the motor is arranged, the cleaning structure can be driven to circularly move on the blackboard in a reciprocating mode so that the surface of the blackboard can be cleaned, dust generated after cleaning can be collected through wind power and prevented from floating outside to influence the surrounding environment, and the cleaning roller brush can be rapidly disassembled, assembled, cleaned and replaced conveniently; therefore, the cleaning effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic blackboards, in particular to an electronic blackboard. Background Art

[0002] The electronic blackboard is a high-tech electronic product that replaces the traditional blackboard. The electronic blackboard integrates stable and reliable infrared sensing positioning technology, LCD display technology and computer technology. Unlike the electronic whiteboard, it integrates the functions of many office equipment such as projectors, electronic whiteboards, LCD TVs, computers, etc., plus special writing software, making information processing more convenient and demonstrations more vivid. In order to ensure the clarity of the electronic blackboard screen, it is necessary to clean the dust and stains attached to the surface.

[0003] After searching, the existing Chinese patent with publication number CN202022990299.3 discloses an electronic blackboard with a front maintenance structure. The shielding cloth is covered on the front surface of the electronic blackboard while the cleaning sponge is moving, and the impurities and dust on the electronic blackboard are wiped clean at the same time, thereby completing the cleaning and protection of the electronic blackboard. The purpose of protecting the electronic blackboard while cleaning it is achieved, and the protection and cleaning effects are achieved when the electronic blackboard is not in use.

[0004] The above technical solution has the following defects: such an electronic blackboard is provided with a removable cleaning sponge, so that the dust on the surface of the electronic blackboard can be cleaned; however, in actual use, if the cleaning sponge is not replaced and cleaned, it is easy to adhere to dust, affecting the cleaning effect during subsequent use. In order to ensure the clarity and cleanliness of the electronic screen, an electronic blackboard is proposed, which is provided with a motor-driven adjustment structure, which can drive the cleaning structure to move back and forth at the blackboard, thereby cleaning the surface of the blackboard, and can collect the cleaned dust by wind power to prevent it from floating outside and affecting the surrounding environment, and is convenient for quick disassembly, cleaning and replacement of the cleaning roller brush, thereby ensuring the cleaning effect.

[0005] In view of this, the author improves and solves the above problems, concentrates on research and cooperates with theoretical application, and finally proposes a technical solution with reasonable design and effective improvement of the above defects.

[0006] The information disclosed in this background technology section is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0007] The utility model provides an electronic blackboard, which solves the problems raised in the above background. It is provided with an adjusting structure driven by a motor, which can drive a cleaning structure to move back and forth on the blackboard, so as to clean the surface of the blackboard. The dust removed by cleaning can be collected by wind force to prevent it from floating outside and affecting the surrounding environment. The cleaning roller brush can also be quickly disassembled, cleaned and replaced, so as to ensure the cleaning effect.

[0008] The utility model solves the above-mentioned technical problems as follows: an electronic blackboard, comprising an electronic blackboard main body, an adjustment frame, a cleaning cover and a cleaning cylinder, the inner wall of the adjustment frame is rotatably connected to a ball screw, two of the ball screws are provided, the outer wall of the ball screw is threadedly connected to a screw nut, the screw nut is fixedly connected to the cleaning cover, the two ball screws are fixedly connected to a synchronous wheel, the outer wall of the synchronous wheel is sleeved with a synchronous belt, the synchronous wheels on both sides are connected through a synchronous belt transmission, the ball screw on one side is fixedly connected to a brake stepping motor, the cleaning cover The inner wall is fixedly connected to a rotating motor, the rotating motor is fixedly connected to a rotating rod, the cleaning cylinder is sleeved on the outer wall of the rotating rod, the outer wall of the cleaning cylinder is evenly fixedly connected to a cleaning brush, the rotating rod is threadedly connected to a positioning nut, the inner wall of the cleaning cover is fixedly connected to a dust suction pipe, the dust suction pipe is provided with a dust suction port corresponding to the cleaning cylinder, the inner wall of the cleaning cover is fixedly connected to a dust collecting frame and an air suction pump, one end of the dust collecting frame is connected to the dust suction pipe, and the other end is connected to the air suction pump, the inner wall of the dust collecting frame is installed with a dust collecting net by screws, and the air suction pump is fixedly connected to an exhaust hopper.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, the outer wall of the rotating rod is evenly and fixedly connected with a positioning block, and the inner wall of the cleaning cylinder is provided with a positioning groove corresponding to the positioning block.

[0011] Furthermore, a mounting hole is provided on the outer wall of the cleaning cover corresponding to the exhaust scoop, and the inner wall of the mounting hole is fixedly connected to the exhaust scoop.

[0012] Furthermore, the cleaning cover is provided with an inspection door corresponding to the dust collecting frame.

[0013] Furthermore, a strip-shaped hole is provided on the outer wall of the adjustment frame corresponding to the lead screw nut, and the lead screw nut passes through the strip-shaped hole and is connected to the cleaning cover.

[0014] Furthermore, an opening and closing door is provided at the bottom of the cleaning cover corresponding to the positioning nut.

[0015] Furthermore, the adjustment frame is configured as a rectangular frame structure that is compatible with the electronic blackboard body, and the adjustment frame is provided with a placement area that is compatible with the cleaning cover.

[0016] The utility model provides an electronic blackboard, which has the following advantages:

[0017] 1. Start the brake stepper motor to drive the ball screws on both sides to rotate, and the ball screws on both sides can drive the screw nuts to slide in the adjustment frame, and the screw nuts can drive the cleaning cover to slide on the outer wall of the electronic blackboard body. Start the rotating motor to rotate the rotating rod to synchronously drive the cleaning brush on the outer wall of the cleaning cylinder to treat the dust on the surface of the electronic blackboard body. Start the vacuum pump to extract the air in the dust collection frame. The dust collection pipe can absorb the dust swept by the cleaning brush through the dust collection port, and the dust collection net can filter and collect the dust in the absorbed air;

[0018] 2. Open the inspection door to remove the dust collection net and clean the collected dust. Open the opening and closing door to unscrew the positioning nut from the rotating rod, so that the cleaning cylinder can be removed from the outer wall of the rotating rod for replacement or cleaning;

[0019] 3. Such an electronic blackboard structure is provided with a motor-driven adjustment structure, which can drive the cleaning structure to move back and forth on the blackboard, thereby cleaning the surface of the blackboard. The dust removed by cleaning can be collected by wind to prevent it from floating outside and affecting the surrounding environment. The cleaning roller brush can also be quickly disassembled, cleaned and replaced to ensure the cleaning effect.

[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0022] Figure 1 A front view of an electronic blackboard provided by an embodiment of the utility model;

[0023] Figure 2 A schematic diagram of the structure of a cleaning cover in an electronic blackboard from a side view according to an embodiment of the utility model;

[0024] Figure 3 A schematic diagram of the structure of an adjustment frame in an electronic blackboard provided by an embodiment of the utility model;

[0025] Figure 4 A schematic diagram of the structure of an electronic blackboard from a side view angle provided by an embodiment of the utility model;

[0026] Figure 5 The present invention is a schematic structural diagram of a cleaning cylinder in an electronic blackboard provided in one embodiment of the present invention.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1. Electronic blackboard body; 2. Adjustment frame; 3. Ball screw; 4. Screw nut; 5. Cleaning cover; 6. Synchronous wheel; 7. Synchronous belt; 8. Brake stepping motor; 9. Rotating motor; 10. Rotating rod; 11. Cleaning cylinder; 12. Cleaning brush; 13. Positioning nut; 14. Positioning block; 15. Positioning slide; 16. Dust suction pipe; 17. Dust suction port; 18. Dust collection frame; 19. Vacuum pump; 20. Dust collection net; 21. Exhaust hopper; 22. Inspection door; 23. Strip hole; 24. Opening and closing door. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-5 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0030] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0032] like Figure 1-5As shown, an electronic blackboard includes an electronic blackboard body 1, an adjustment frame 2, a cleaning cover 5 and a cleaning cylinder 11. The inner wall of the adjustment frame 2 is rotatably connected to a ball screw 3, two ball screws 3 are provided, the outer wall of the ball screw 3 is threadedly connected to a screw nut 4, the screw nut 4 is fixedly connected to the cleaning cover 5, the two ball screws 3 are fixedly connected to a synchronous wheel 6, the outer wall of the synchronous wheel 6 is sleeved with a synchronous belt 7, the synchronous wheels 6 on both sides are connected by the synchronous belt 7, one side of the ball screw 3 is fixedly connected to a brake stepping motor 8, the inner wall of the cleaning cover 5 is fixedly connected to a rotating motor 9, and the rotating motor 9 is fixedly connected to the outer wall of the ball screw 3. A rotating rod 10 is fixedly connected, a cleaning cylinder 11 is sleeved on the outer wall of the rotating rod 10, a cleaning brush 12 is evenly fixedly connected to the outer wall of the cleaning cylinder 11, a positioning nut 13 is threadedly connected to the rotating rod 10, a dust suction pipe 16 is fixedly connected to the inner wall of the cleaning cover 5, and a dust suction port 17 is opened in the dust suction pipe 16 corresponding to the cleaning cylinder 11, a dust collecting frame 18 and an air pump 19 are fixedly connected to the inner wall of the cleaning cover 5, one end of the dust collecting frame 18 is connected to the dust suction pipe 16, and the other end is connected to the air pump 19, a dust collecting net 20 is installed on the inner wall of the dust collecting frame 18 by screws, and the air pump 19 is fixedly connected to an exhaust bucket 21.

[0033] Preferably, the outer wall of the rotating rod 10 is evenly fixedly connected with a positioning block 14, and the inner wall of the cleaning cylinder 11 is provided with a positioning slot 15 corresponding to the positioning block 14, so that the rotating rod 10 can drive the cleaning cylinder 11 to rotate synchronously during the rotation process.

[0034] Preferably, a mounting hole is provided on the outer wall of the cleaning cover 5 corresponding to the exhaust scoop 21 , and the inner wall of the mounting hole is fixedly connected to the exhaust scoop 21 .

[0035] Preferably, the cleaning cover 5 is provided with an inspection door 22 corresponding to the dust collecting frame 18 .

[0036] Preferably, a strip-shaped hole 23 is formed on the outer wall of the adjusting frame 2 corresponding to the lead screw nut 4 , and the lead screw nut 4 passes through the strip-shaped hole 23 to be connected with the cleaning cover 5 .

[0037] Preferably, an opening and closing door 24 is provided at the bottom of the cleaning cover 5 corresponding to the positioning nut 13 .

[0038] Preferably, the adjustment frame 2 is configured as a rectangular frame structure that is compatible with the electronic blackboard body 1 , and the adjustment frame 2 is provided with a placement area that is compatible with the cleaning cover 5 .

[0039] The specific working principle and use method of the utility model are as follows: the synchronous wheels 6 of the ball screws 3 on both sides are connected through the synchronous belt 7, and the brake stepping motor 8 is started to rotate the ball screw 3 on one side, which can synchronously drive the ball screw 3 on the other side to rotate synchronously. When the dust on the surface of the electronic blackboard body 1 needs to be cleaned, the brake stepping motor 8 is started to drive the ball screws 3 on both sides to rotate, and the ball screws 3 on both sides can drive the screw nuts 4 to slide in the adjustment frame 2, and the screw nuts 4 can drive the cleaning cover 5 to slide on the outer wall of the electronic blackboard body 1, and the rotating motor 9 is started to rotate the rotating rod 10 to synchronously drive the cleaning cylinder 11 to rotate outside. The cleaning brush 12 on the wall treats dust on the surface of the electronic blackboard body 1, and the air in the dust collecting frame 18 can be extracted by starting the vacuum pump 19. The dust suction pipe 16 can absorb the dust swept by the cleaning brush 12 through the dust suction port 17, and the dust collecting net 20 can filter and collect the dust in the absorbed air, and the air can be discharged from the cleaning cover 5 through the exhaust hopper 21. The dust collecting net 20 can be removed by opening the inspection door 22 to clean the collected dust, and the positioning nut 13 can be unscrewed from the rotating rod 10 by opening the opening and closing door 24, so that the cleaning cylinder 11 can be removed from the outer wall of the rotating rod 10 for replacement or cleaning.

[0040] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An electronic blackboard, comprising an electronic blackboard body (1), an adjustment frame (2), a cleaning cover (5) and a cleaning cylinder (11), characterized in that: The inner wall of the adjustment frame (2) is rotatably connected to a ball screw (3), two ball screws (3) are provided, the outer wall of the ball screw (3) is threadedly connected to a screw nut (4), the screw nut (4) is fixedly connected to a cleaning cover (5), the two ball screws (3) are fixedly connected to a synchronous wheel (6), the outer wall of the synchronous wheel (6) is sleeved with a synchronous belt (7), the synchronous wheels (6) on both sides are connected by transmission through the synchronous belt (7), one side of the ball screw (3) is fixedly connected to a brake stepping motor (8), the inner wall of the cleaning cover (5) is fixedly connected to a rotating motor (9), the rotating motor (9) is fixedly connected to a rotating rod (10), the cleaning cylinder (11) The cleaning brush (12) is evenly fixedly connected to the outer wall of the cleaning cylinder (11) and is sleeved on the outer wall of the rotating rod (10). The rotating rod (10) is threadedly connected with a positioning nut (13). The inner wall of the cleaning cover (5) is fixedly connected with a dust suction pipe (16). The dust suction pipe (16) is provided with a dust suction port (17) corresponding to the cleaning cylinder (11). The inner wall of the cleaning cover (5) is fixedly connected with a dust collecting frame (18) and an air pump (19). One end of the dust collecting frame (18) is connected to the dust suction pipe (16), and the other end is connected to the air pump (19). A dust collecting net (20) is installed on the inner wall of the dust collecting frame (18) by screws, and the air pump (19) is fixedly connected with an exhaust hopper (21).

2. An electronic blackboard according to claim 1, characterized in that: The outer wall of the rotating rod (10) is evenly and fixedly connected with a positioning block (14), and the inner wall of the cleaning cylinder (11) is provided with a positioning sliding groove (15) corresponding to the positioning block (14).

3. An electronic blackboard according to claim 1, characterized in that: An installation hole is provided on the outer wall of the cleaning cover (5) corresponding to the exhaust hopper (21), and the inner wall of the installation hole is fixedly connected to the exhaust hopper (21).

4. An electronic blackboard according to claim 1, characterized in that: The cleaning cover (5) is provided with an inspection door (22) corresponding to the dust collecting frame (18).

5. An electronic blackboard according to claim 1, characterized in that: The outer wall of the adjustment frame (2) is provided with a strip-shaped hole (23) corresponding to the lead screw nut (4), and the lead screw nut (4) passes through the strip-shaped hole (23) to be connected with the cleaning cover (5).

6. An electronic blackboard according to claim 1, characterized in that: An opening and closing door (24) is provided at the bottom of the cleaning cover (5) corresponding to the positioning nut (13).

7. An electronic blackboard according to claim 1, characterized in that: The adjustment frame (2) is configured as a rectangular frame structure that matches the electronic blackboard body (1), and the adjustment frame (2) is provided with a placement area that matches the cleaning cover (5).

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