Interactive liquid crystal electronic whiteboard

Abstract

The utility model discloses an interactive liquid crystal electronic whiteboard which comprises an adjusting frame and a liquid crystal electronic whiteboard body, the liquid crystal electronic whiteboard body is located above the adjusting frame, one side of the liquid crystal electronic whiteboard body is fixedly connected with a connecting frame, and an adjusting mechanism is arranged in the adjusting frame. The adjusting mechanism comprises two circular grooves formed in the top of the adjusting frame, lifting sleeves are connected in the two circular grooves in a sliding and penetrating mode, the top ends of the two lifting sleeves are fixedly connected with stand columns, and the two stand columns are fixedly connected with two connecting plates. According to the interactive liquid crystal electronic whiteboard, the installation height of the interactive liquid crystal electronic whiteboard can be adjusted according to the placement scene of the liquid crystal electronic whiteboard body and the actual demand of a user through the arranged adjusting mechanism, so that the user and the liquid crystal electronic whiteboard body can be interactively used conveniently, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal electronic whiteboards, in particular to an interactive liquid crystal electronic whiteboard. Background Art

[0002] The interactive whiteboard can communicate with the computer. By connecting the whiteboard to the computer and using a projector to project the contents on the computer onto the whiteboard screen, a large-screen, interactive collaborative meeting or teaching environment can be constructed with the support of specialized applications.

[0003] The publication number CN 216280268 U discloses a new interactive liquid crystal electronic whiteboard with built-in video display stand, including a front frame and a rear mounting plate, wherein the rear mounting plate is located at the rear end of the front frame, and both sides of the rear end face of the front frame are provided with limit concave rods, and a hollow frame is fixedly installed at the middle position of the front end face of the rear mounting plate, and both sides of the hollow frame are slidably connected with a resistance plate, and the two corresponding opposite surfaces of the resistance plates are provided with built-in tooth marks, and a movable shaft is rotatably connected at the middle position of the upper end face of the hollow frame. The practical new interactive liquid crystal electronic whiteboard with built-in video display stand drives the resistance plates on both sides to move into the limit concave rod through the sliding action between the limit slider and the side limit grooves. During the movement, the resistance plate can be effectively embedded into the limit concave rod, thereby completing the installation and fixing of the entire front frame, and achieving better disassembly and assembly work.

[0004] However, the LCD electronic whiteboard has the following shortcomings: its equipment can conveniently fix the electronic whiteboard during use, and is convenient for disassembly and assembly. However, the LCD electronic whiteboard often needs to adjust its height according to the actual needs of the user during use, and its equipment cannot actively adjust the height of the LCD electronic whiteboard, so the use effect is limited.

[0005] Therefore, the utility model provides an interactive liquid crystal electronic whiteboard to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an interactive liquid crystal electronic whiteboard to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: an interactive liquid crystal electronic whiteboard, comprising an adjustment frame and a liquid crystal electronic whiteboard body, the liquid crystal electronic whiteboard body is located above the adjustment frame, one side of the liquid crystal electronic whiteboard body is fixedly connected to a connecting frame, and an adjustment mechanism is arranged in the adjustment frame;

[0008] The adjusting mechanism comprises two circular grooves provided on the top of the adjusting frame, the two circular grooves are slidably and interlaced with lifting sleeves, the top ends of the two lifting sleeves are fixedly connected with columns, the two columns are fixedly connected with two connecting plates, the two connecting plates are fixedly connected with the same assembly and disassembly box, one side of the assembly and disassembly box slides and extends into the connecting frame, the adjusting frame is provided with a driving cavity, the driving cavity is rotatably connected with two threaded long rods, the top ends of the two threaded long rods are respectively threadedly extended into the corresponding lifting sleeves, the two threaded long rods are fixedly sleeved with synchronous wheels, the same synchronous belt is wound between the two synchronous wheels, the corresponding threaded long rods are fixedly sleeved with driven gears, the driving cavity is fixedly connected with a first motor, the output shaft of the first motor is fixedly connected with a driving gear, and the driving gear is meshed with the driven gear.

[0009] Preferably, a sliding groove is provided on the inner wall of the circular groove, and a limiting rod is fixedly connected to the outer wall of the lifting sleeve. One end of the limiting rod slides and extends into the sliding groove. The lifting sleeve can be lifted and lowered smoothly by using the provided sliding groove and limiting rod in combination, while limiting its lifting distance.

[0010] Preferably, two slots are provided on the inner walls on both sides of the connecting frame, and two fastening sleeves are slidably and interlacedly connected on both sides of the disassembly and assembly box. One ends of the four fastening sleeves respectively slide and extend into the corresponding slots. By using the four retractable fastening sleeves in combination with the slots, the LCD electronic whiteboard body can be placed on the disassembly and assembly box, which is convenient for installation and fixation, and can also be convenient for disassembly and maintenance, and is convenient for users to use.

[0011] Preferably, a partition is fixedly connected inside the disassembly and assembly box, and two bidirectional threaded rods are rotatably connected and penetrated on the partition, and both ends of the two bidirectional threaded rods are respectively threadedly extended into corresponding fastening sleeves, and the synchronous movement of four fastening sleeves can be conveniently controlled by using the arranged partition and the bidirectional threaded rod in combination.

[0012] Preferably, the two bidirectional threaded rods are fixedly sleeved with a first bevel gear, one side of the partition is fixedly connected to two support plates, the two support plates are rotatably connected with a same transmission shaft, both sides of the transmission shaft are fixedly connected with a second bevel gear, the two second bevel gears are respectively meshed with the corresponding first bevel gears, and the two bidirectional threaded rods can be conveniently controlled to rotate synchronously by using the first bevel gear, support plate, transmission shaft and second bevel gear in combination.

[0013] Preferably, a third bevel gear is fixedly sleeved on the transmission shaft, a second motor is fixedly connected to one side of the partition, an output shaft of the second motor is fixedly connected to a driving shaft, one end of the driving shaft rotates and passes through the partition, one end of the driving shaft is fixedly connected to a fourth bevel gear, the fourth bevel gear is meshed with the third bevel gear, and the rotation of the transmission shaft can be conveniently controlled by using the third bevel gear, the second motor, the driving shaft and the fourth bevel gear in combination.

[0014] Preferably, the outer wall of the fastening sleeve is fixedly connected to a side plate, and two anti-deflection rods are fixedly connected to both sides of the partition. The anti-deflection rods slide through the corresponding side plates, and a baffle is fixedly sleeved on the anti-deflection rods. The fastening sleeve can move smoothly by using the side plates, anti-deflection rods and baffles in combination.

[0015] Beneficial Effects

[0016] The utility model provides an interactive liquid crystal electronic whiteboard. Compared with the prior art, it has the following advantages:

[0017] Beneficial effects:

[0018] (1) The interactive liquid crystal electronic whiteboard can adjust its installation height according to the placement scene of the liquid crystal electronic whiteboard body and the actual needs of the user through the provided adjustment mechanism, thereby facilitating the user to interact with the liquid crystal electronic whiteboard body and making it more convenient to use.

[0019] (2) The interactive liquid crystal electronic whiteboard can be placed on the disassembly box by arranging four retractable fastening sleeves and slots for use, so that the liquid crystal electronic whiteboard body can be easily installed and fixed, and can also be easily disassembled and repaired, so that users can use it conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a partial structural schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of the disassembly and assembly box in the utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the adjustment frame in the utility model;

[0024] Figure 5 It is a back assembly diagram of the liquid crystal electronic whiteboard body in the utility model.

[0025] In the figure: 1. adjustment frame; 2. liquid crystal electronic whiteboard body; 3. connecting frame; 4. circular groove; 5. lifting sleeve; 6. column; 7. connecting plate; 8. disassembly box; 9. driving chamber; 10. threaded long rod; 11. synchronous wheel; 12. synchronous belt; 13. driven gear; 14. first motor; 15. driving gear; 16. slide groove; 17. limit rod; 18. slot; 19. fastening sleeve; 20. partition; 21. two-way threaded rod; 22. first bevel gear; 23. support plate; 24. transmission shaft; 25. second bevel gear; 26. third bevel gear; 27. second motor; 28. driving shaft; 29. ​​fourth bevel gear; 30. side plate; 31. anti-bias rod; 32. baffle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] See also Figures 1 to 5 An interactive liquid crystal electronic whiteboard comprises an adjustment frame 1 and a liquid crystal electronic whiteboard body 2, wherein the liquid crystal electronic whiteboard body 2 is located above the adjustment frame 1, a connecting frame 3 is fixedly connected to one side of the liquid crystal electronic whiteboard body 2, and an adjustment mechanism is arranged in the adjustment frame 1;

[0029] The adjusting mechanism includes two circular grooves 4 provided at the top of the adjusting frame 1, and lifting sleeves 5 are slidably inserted in the two circular grooves 4, and a threaded surface is provided inside the lifting sleeves 5. The tops of the two lifting sleeves 5 are fixedly connected with columns 6, and two connecting plates 7 are fixedly connected to the two columns 6. The two connecting plates 7 are fixedly connected with the same disassembly box 8, and one side of the disassembly box 8 slides and extends into the connecting frame 3. A driving cavity 9 is provided on the adjusting frame 1, and the driving cavity 9 is connected with the inside of the two circular grooves 4. Two threaded long rods 10 are rotatably connected in the driving cavity 9, and the tops of the two threaded long rods 10 are respectively threadedly extended into the corresponding lifting sleeves 5. Synchronous wheels 11 are fixedly sleeved on the two threaded long rods 10, and the same synchronous belt 12 is wound between the two synchronous wheels 11. A driven gear 13 is fixedly sleeved on the corresponding threaded long rods 10, and a first motor 14 is fixedly connected in the driving cavity 9. The output shaft of the first motor 14 is fixedly connected with a driving gear 15, and the driving gear 15 is meshed with the driven gear 13.

[0030] Embodiment 2:

[0031] See also Figures 1 to 5 , this embodiment provides a technical solution based on the first embodiment: a slide groove 16 is provided on the inner wall of the circular groove 4, and a limit rod 17 is fixedly connected to the outer wall of the lifting sleeve 5, and one end of the limit rod 17 slides and extends into the slide groove 16; two slots 18 are provided on the inner walls of both sides of the connecting frame 3, and two fastening sleeves 19 are slidably inserted and connected on both sides of the disassembly and assembly box 8, and a threaded surface is provided inside the fastening sleeve 19, and one end of the four fastening sleeves 19 slides and extends into the corresponding slots 18 respectively; a partition 20 is fixedly connected inside the disassembly and assembly box 8, and two bidirectional threaded rods 21 are rotatably connected and penetrated on the partition 20, and the two ends of the two bidirectional threaded rods 21 are threadedly extended into the corresponding fastening sleeves 19 respectively; a first bevel gear 22 is fixedly sleeved on the two bidirectional threaded rods 21, and one side of the partition 20 is fixedly connected with two support Plate 23, the two support plates 23 are rotatably connected with the same transmission shaft 24, and the two sides of the transmission shaft 24 are fixedly connected with second bevel gears 25, and the two second bevel gears 25 are respectively meshed with the corresponding first bevel gear 22; a third bevel gear 26 is fixedly sleeved on the transmission shaft 24, a second motor 27 is fixedly connected to one side of the partition 20, and the output shaft of the second motor 27 is fixedly connected to a driving shaft 28, one end of the driving shaft 28 rotates through the partition 20, and one end of the driving shaft 28 is fixedly connected to a fourth bevel gear 29, and the fourth bevel gear 29 is meshed with the third bevel gear 26; the outer wall of the fastening sleeve 19 is fixedly connected with a side plate 30, and two anti-deflection rods 31 are fixedly connected on both sides of the partition 20, the anti-deflection rods 31 slide through the corresponding side plates 30, and a baffle 32 is fixedly sleeved on the anti-deflection rods 31.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Working principle: When the height of the liquid crystal electronic whiteboard body 2 needs to be adjusted, it is only necessary to start the first motor 14. The first motor 14 drives the driven gear 13 meshing with it to rotate through the driving gear 15. The driven gear 13 drives the connected threaded long rod 10 to rotate. The threaded long rod 10 drives another threaded long rod 10 to rotate through the synchronous wheel 11 and the synchronous belt 12. At this time, the two threaded long rods 10 rotate synchronously, and the threaded long rod 10 drives the lifting sleeve 5 threadedly connected to it to rise and fall. At this time, the liquid crystal electronic whiteboard body 2 also rises and falls accordingly. When the liquid crystal electronic whiteboard body 2 needs to be disassembled and assembled, it is only necessary to start the second motor 27. The second motor 27 drives the drive shaft 2 8 drives the fourth bevel gear 29 to rotate, the fourth bevel gear 29 drives the third bevel gear 26 meshing therewith to rotate, the third bevel gear 26 drives the connected transmission shaft 24 to rotate, the transmission shaft 24 drives the two second bevel gears 25 to rotate, the second bevel gear 25 drives the first bevel gear 22 meshing therewith to rotate, the first bevel gear 22 drives the connected bidirectional threaded rod 21 to rotate, the bidirectional threaded rod 21 drives the two fastening sleeves 19 threadedly connected therewith to rotate, at this time, the four fastening sleeves 19 are extended and retracted toward the inside of the disassembly box 8 until they are separated from the slot 18, at this time, the liquid crystal electronic whiteboard body 2 can be removed, and the reverse operation can be performed if installation is required.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An interactive liquid crystal electronic whiteboard, comprising an adjustment frame (1) and a liquid crystal electronic whiteboard body (2), wherein the liquid crystal electronic whiteboard body (2) is located above the adjustment frame (1), and is characterized in that: A connecting frame (3) is fixedly connected to one side of the liquid crystal electronic whiteboard body (2), and an adjusting mechanism is arranged inside the adjusting frame (1); The adjustment mechanism comprises two circular grooves (4) provided on the top of the adjustment frame (1), the two circular grooves (4) are both slidably connected with lifting sleeves (5), the tops of the two lifting sleeves (5) are both fixedly connected with columns (6), the two columns (6) are fixedly connected with two connecting plates (7), the two connecting plates (7) are fixedly connected with the same assembly and disassembly box (8), one side of the assembly and disassembly box (8) is slidably extended into the connection frame (3), the adjustment frame (1) is provided with a driving chamber (9), and the driving chamber (9) is rotatably connected with two threaded long rods (10), the top ends of the two threaded long rods (10) are respectively threadedly extended into the corresponding lifting sleeves (5), the two threaded long rods (10) are both fixedly sleeved with a synchronous wheel (11), the same synchronous belt (12) is wound between the two synchronous wheels (11), the corresponding threaded long rods (10) are fixedly sleeved with a driven gear (13), the driving cavity (9) is fixedly connected with a first motor (14), the output shaft of the first motor (14) is fixedly connected with a driving gear (15), and the driving gear (15) is meshed with the driven gear (13).

2. An interactive liquid crystal electronic whiteboard according to claim 1, characterized in that: The inner wall of the circular groove (4) is provided with a sliding groove (16), and the outer wall of the lifting sleeve (5) is fixedly connected to a limiting rod (17), and one end of the limiting rod (17) slides and extends into the sliding groove (16).

3. An interactive liquid crystal electronic whiteboard according to claim 1, characterized in that: Two slots (18) are provided on the inner walls of both sides of the connecting frame (3), and two fastening sleeves (19) are slidably inserted and connected on both sides of the disassembly and assembly box (8), and one end of the four fastening sleeves (19) respectively slides and extends into the corresponding slots (18).

4. An interactive liquid crystal electronic whiteboard according to claim 3, characterized in that: A partition (20) is fixedly connected inside the assembly and disassembly box (8), and two bidirectional threaded rods (21) are rotatably connected and penetrated through the partition (20), and both ends of the two bidirectional threaded rods (21) are threadedly extended into corresponding fastening sleeves (19).

5. An interactive liquid crystal electronic whiteboard according to claim 4, characterized in that: A first bevel gear (22) is fixedly sleeved on the two bidirectional threaded rods (21); two support plates (23) are fixedly connected to one side of the partition plate (20); a same transmission shaft (24) is rotatably connected through the two support plates (23); second bevel gears (25) are fixedly connected to both sides of the transmission shaft (24); and the two second bevel gears (25) are respectively meshed with the corresponding first bevel gears (22).

6. An interactive liquid crystal electronic whiteboard according to claim 5, characterized in that: A third bevel gear (26) is fixedly sleeved on the transmission shaft (24); a second motor (27) is fixedly connected to one side of the partition (20); an output shaft of the second motor (27) is fixedly connected to a drive shaft (28); one end of the drive shaft (28) rotates and passes through the partition (20); one end of the drive shaft (28) is fixedly connected to a fourth bevel gear (29); and the fourth bevel gear (29) is meshed with the third bevel gear (26).

7. An interactive liquid crystal electronic whiteboard according to claim 4, characterized in that: The outer wall of the fastening sleeve (19) is fixedly connected to a side plate (30), and two anti-deflection rods (31) are fixedly connected to both sides of the partition plate (20). The anti-deflection rods (31) slide through the corresponding side plates (30), and a baffle (32) is fixedly sleeved on the anti-deflection rods (31).

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