Display board

Abstract

The utility model relates to the technical field of teaching display boards, in particular to a display board which comprises a left bottom board and a right bottom board, supporting sliding shells are fixedly connected to the outer sides of the tops of the left bottom board and the right bottom board respectively, and a lifting screw rod and a guide sliding rod are arranged in inner cavities of the left supporting sliding shell and the right supporting sliding shell respectively. A driving motor is fixedly connected to an inner cavity of the bottom of the supporting sliding shell on the left side, movable sliding blocks movably sleeve the surfaces of a lifting screw rod and a guide sliding rod, display shells are fixedly connected to the inner sides of the left movable sliding block and the right movable sliding block through bolts, and inserting mechanisms are fixedly connected to the bottoms of the display shells on the front side and the left side of a left bottom plate. The pull rods at the bottom of the left display shell and the front side of the left bottom plate are pulled to drive the positioning insertion plate to move out of the insertion shell, the right display shell is pushed backwards, and the right display shell is folded to the rear side of the left display shell, so that the display plate can be folded to change the size, meanwhile, the storage space is saved, and transfer is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching display boards, in particular to a display board. Background Art

[0002] The teaching display board is a teaching device on which teachers write various knowledge to present to students. It is usually a board placed in the classroom or conference room. The content is written with chalk or water-based pen. It plays the role of explanation and demonstration, and can effectively sort out and summarize the achievements and experience of education and teaching.

[0003] After searching, the announcement number is CN211641594U, and the name is a utility model of a display board for education and teaching, including a whiteboard, and track plates are fixed on the top and bottom ends of the whiteboard. Through research and analysis, it is found that although it is convenient to mark so that students can take notes according to the markings, improve the efficiency of teaching, and make students understand more deeply, but to a certain extent, the following defects still exist.

[0004] For example, the display board does not have a folding storage function. The entire display board is fixed. After use, it takes up a lot of storage space during storage due to the lack of folding function. In addition, it is inconvenient to transfer due to its large size. At the same time, it does not have a storage function and cannot store teaching aids. It is not practical. In order to solve the above technical problems, we have designed a display board. Utility Model Content

[0005] The purpose of the utility model is to provide a display board with a folding storage function, which saves storage space, is convenient for transfer, has a storage function, and improves practicality, thereby solving the problems of being unable to fold and store, wasting storage space, being inconvenient for transfer, having no storage function, and having poor practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a display board comprises a left bottom plate and a right bottom plate, the outer sides of the tops of the left bottom plate and the right bottom plate are fixedly connected to a supporting sliding shell, the inner cavities of the left and right supporting sliding shells are respectively provided with a lifting screw rod and a guide sliding rod, the inner cavity at the bottom of the left supporting sliding shell is fixedly connected to a driving motor, the surfaces of the lifting screw rod and the guide sliding rod are movably sleeved with a movable sliding block, the inner sides of the left and right movable sliding blocks are fixedly connected to the display shell by bolts, a whiteboard is embedded in the front side of the display shell, the front side of the left bottom plate and the bottom of the left display shell are fixedly connected to a plug-in mechanism, the front side of the right bottom plate and the bottom of the right display shell are fixedly connected to a plug-in shell, the outer sides of the left bottom plate and the right bottom plate are fixedly connected to a first caster, and the rear side of the right side of the bottom of the left bottom plate is connected to a second caster by bolts.

[0007] Preferably, the plug-in mechanism includes a fixed shell, the inner cavity of the fixed shell is slidably connected with a connecting slide, the right side of the connecting slide is fixedly connected with a positioning plate, the right side of the positioning plate passes through the inner cavity of the plug-in shell, the left side of the connecting slide is respectively fixedly connected with a positioning spring and a pull rod, and the left side of the pull rod passes through the outside of the fixed shell and is fixedly connected with a pull plate.

[0008] Preferably, the display shell comprises a frame, the inner cavity of the frame is fixedly connected with a partition, and the outer side of the rear side of the frame is connected with a rear cover plate via a hinge.

[0009] Preferably, the rear side between the left bottom plate and the right bottom plate and the rear side between the left and right display shells are both fixedly connected with movable hinges, and the output shaft of the driving motor is fixedly connected to the lifting screw rod.

[0010] Preferably, the surface of the lifting screw rod is movably connected to the supporting sliding shell on the left side through a bearing, and the surface of the lifting screw rod is threadedly connected to the movable sliding block.

[0011] Preferably, a magnet block is placed on the top of the front side of the whiteboard, the tops of the left and right display shells are connected to lighting lamps by bolts, the bottoms of the left and right display shells are connected to storage boxes by bolts, and the front side of the left support sliding shell is connected to a controller by bolts.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] Pull the pull rods at the bottom of the left display shell and the front side of the left bottom plate to move the positioning plug-in plate out of the plug-in shell, push the display shell on the right backward, and the display shell on the right is folded to the back side of the left display shell. In this way, the display board can be folded to change its volume, while saving storage space and making transfer more convenient.

[0014] When the teaching aids are needed, the staff opens the rear cover and takes out the teaching aids stored in the frame for teaching operations. After use, the teaching aids are stored back in the frame. This has the function of storing teaching aids and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric drawing of the structure of the utility model;

[0016] Figure 2 It is a sectional axonometric view of the supporting sliding shell of the utility model;

[0017] Figure 3 Practical Figure 2 A magnified view of middle;

[0018] Figure 4 It is a rear axonometric view of the display shell of the utility model;

[0019] Figure 5 It is a bottom-up axonometric view of the structure of the utility model;

[0020] Figure 6 It is a rear axonometric view of the structure of the utility model.

[0021] In the figure: 1. left bottom plate; 2. right bottom plate; 3. plug-in mechanism; 4. second caster; 5. plug-in shell; 6. supporting sliding shell; 7. controller; 8. whiteboard; 9. magnet block; 10. lighting lamp; 11. guide slide bar; 12. display shell; 13. storage box; 14. first caster; 15. driving motor; 16. lifting screw rod; 17. movable slide bar; 18. fixed shell; 19. pull rod; 20. positioning spring; 21. connecting slide plate; 22. positioning plug plate; 23. movable hinge; 24. rear cover plate; 25. partition plate; 26. frame. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 6 A display board includes a left bottom plate 1 and a right bottom plate 2. The outer sides of the tops of the left bottom plate 1 and the right bottom plate 2 are fixedly connected with a support sliding shell 6. The inner cavities of the left and right support sliding shells 6 are respectively provided with a lifting screw rod 16 and a guide slide rod 11. The inner cavity at the bottom of the left support sliding shell 6 is fixedly connected with a driving motor 15. The surfaces of the lifting screw rod 16 and the guide slide rod 11 are movably sleeved with a movable slide block 17. The inner sides of the left and right movable slide blocks 17 are fixedly connected with a display shell 12 by bolts. A whiteboard 8 is embedded in the front side of the display shell 12. The left bottom plate The front side of the bottom plate 1 and the bottom of the left display shell 12 are fixedly connected with the plug-in mechanism 3, the front side of the right bottom plate 2 and the bottom of the right display shell 12 are fixedly connected with the plug-in shell 5, the outer sides of the left bottom plate 1 and the right bottom plate 2 are fixedly connected with the first caster 14, and the first caster 14 is provided to facilitate the movement of the display board, and the rear side of the right side of the bottom of the left bottom plate 1 is connected with the second caster 4 by bolts, and the second caster 4 is provided to support the right side of the right display shell 12 after the left display shell 12 is folded to avoid tipping;

[0023] See also Figure 3 The plug-in mechanism 3 includes a fixed shell 18, the inner cavity of the fixed shell 18 is slidably connected with a connecting slide 21, the right side of the connecting slide 21 is fixedly connected with a positioning plug 22, the right side of the positioning plug 22 penetrates into the inner cavity of the plug-in shell 5, and the left side of the connecting slide 21 is respectively fixedly connected with a positioning spring 20 and a pull rod 19. By setting the positioning spring 20, the positioning plug 22 can be pushed into the plug-in shell 5 by releasing elastic potential energy, and the left side of the pull rod 19 penetrates to the outside of the fixed shell 18 and is fixedly connected with a pull plate;

[0024] See also Figure 6The display shell 12 includes a frame 26, and a partition 25 is fixedly connected to the inner cavity of the frame 26. By setting the partition 25, the inner space of the frame 26 can be divided to place more teaching aids. The outer side of the rear side of the frame 26 is connected to a rear cover 24 through a hinge. By setting the rear cover 24, the items in the frame 26 can be prevented from falling;

[0025] See also Figure 4 The rear side between the left bottom plate 1 and the right bottom plate 2 and the rear side between the left and right display shells 12 are fixedly connected with a movable hinge 23, and the output shaft of the driving motor 15 is fixedly connected with the lifting screw rod 16;

[0026] See also Figure 2 The surface of the lifting screw rod 16 is movably connected to the left supporting sliding housing 6 through a bearing, and the surface of the lifting screw rod 16 is threadedly connected to the movable sliding block 17;

[0027] See also Figure 1 A magnet block 9 is placed on the top of the front side of the whiteboard 8. The tops of the left and right display shells 12 are connected with lighting lamps 10 by bolts. By setting the lighting lamps 10, the whiteboard 8 can be illuminated to increase the brightness, which is beneficial for people to watch. The bottoms of the front sides of the left and right display shells 12 are connected with storage boxes 13 by bolts. By setting the storage boxes 13, writing tools can be conveniently placed. The front side of the left support sliding shell 6 is connected with a controller 7 by bolts.

[0028] When in use, the display board is pushed to a suitable position and then the power is turned on. The controller 7 controls the driving motor 15 to drive the lifting screw 16 to rotate forward or reversely. The movable slider 17 on the surface of the lifting screw 16 moves upward or downward, and the display shell 12 moves up and down accordingly to adjust the display height. The teaching staff can write on the whiteboard 8 on the front side of the display shell 12, or attach paper to the surface of the whiteboard 8, and then fix the paper on the surface of the whiteboard 8 through the magnet block 9 for display. When the teaching aids are needed, the staff opens the rear cover 24 on the rear side and takes out the teaching aids stored in the frame 26. The teaching aids can be taken out for teaching operation, and the teaching aids can be stored in the frame 26 after use. In this way, the teaching aids can be stored, which improves practicality. When the display board is used, the staff pulls the pull rods 19 at the bottom of the left display shell 12 and the front side of the left bottom plate 1 at the same time. The pull rod 19 drives the positioning plug plate 22 to move out of the plug-in shell 5 through the connecting slide plate 21. At this time, the display shell 12 on the right is pushed backward. Under the action of the movable hinge 23, the display shell 12 on the right is folded to the rear side of the display shell 12 on the left. In this way, the display board can be folded to change its volume, while saving storage space and making transfer more convenient.

[0029] In summary: the display board, through the coordinated use of the left bottom plate 1, the right bottom plate 2, the plug-in mechanism 3, the second caster 4, the plug-in shell 5, the supporting sliding shell 6, the whiteboard 8, the display shell 12, the first caster 14 and the movable hinge 23, solves the problems of being unable to be folded and stored, wasting storage space, being inconvenient to transfer, having no storage function and poor practicality.

Claims

1. A display board, comprising a left bottom plate (1) and a right bottom plate (2), characterized in that: The outer sides of the tops of the left bottom plate (1) and the right bottom plate (2) are fixedly connected to a support sliding shell (6), the inner cavities of the left and right support sliding shells (6) are respectively provided with a lifting screw rod (16) and a guide sliding rod (11), the inner cavity of the bottom of the left support sliding shell (6) is fixedly connected to a drive motor (15), the surfaces of the lifting screw rod (16) and the guide sliding rod (11) are movably sleeved with a movable sliding block (17), and the inner sides of the left and right movable sliding blocks (17) are fixedly connected to a display shell by bolts. (12), a whiteboard (8) is embedded in the front side of the display shell (12), the front side of the left bottom plate (1) and the bottom of the left display shell (12) are both fixedly connected to a plug-in mechanism (3), the front side of the right bottom plate (2) and the bottom of the right display shell (12) are both fixedly connected to a plug-in shell (5), the outer sides of the left bottom plate (1) and the right bottom plate (2) are both fixedly connected to a first caster (14), and the rear side of the right side of the bottom of the left bottom plate (1) is connected to a second caster (4) via bolts.

2. A display board according to claim 1, characterized in that: The plug-in mechanism (3) comprises a fixed shell (18), the inner cavity of the fixed shell (18) is slidably connected to a connecting slide plate (21), the right side of the connecting slide plate (21) is fixedly connected to a positioning plug plate (22), the right side of the positioning plug plate (22) penetrates into the inner cavity of the plug-in shell (5), the left side of the connecting slide plate (21) is respectively fixedly connected to a positioning spring (20) and a pull rod (19), the left side of the pull rod (19) penetrates into the outer side of the fixed shell (18) and is fixedly connected to the pull plate.

3. A display board according to claim 1, characterized in that: The display shell (12) comprises a frame (26), the inner cavity of the frame (26) being fixedly connected to a partition plate (25), and the outer side of the rear side of the frame (26) being connected to a rear cover plate (24) via a hinge.

4. A display board according to claim 1, characterized in that: A movable hinge (23) is fixedly connected between the rear side between the left bottom plate (1) and the right bottom plate (2) and the rear side between the left and right display shells (12), and the output shaft of the drive motor (15) is fixedly connected to the lifting screw rod (16).

5. A display board according to claim 1, characterized in that: The surface of the lifting screw rod (16) is movably connected to the left supporting sliding housing (6) via a bearing, and the surface of the lifting screw rod (16) is threadedly connected to the movable sliding block (17).

6. A display board according to claim 1, characterized in that: A magnet block (9) is placed on the top of the front side of the whiteboard (8), the tops of the left and right display shells (12) are connected to lighting lamps (10) via bolts, the bottoms of the front sides of the left and right display shells (12) are connected to storage boxes (13) via bolts, and the front side of the left support sliding shell (6) is connected to a controller (7) via bolts.

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