CN220147055U - Writing demonstration board - Google Patents
Writing demonstration board Download PDFInfo
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- CN220147055U CN220147055U CN202320643408.5U CN202320643408U CN220147055U CN 220147055 U CN220147055 U CN 220147055U CN 202320643408 U CN202320643408 U CN 202320643408U CN 220147055 U CN220147055 U CN 220147055U
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- demonstration board
- board
- mounting
- demonstration
- bevel gear
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- 238000009434 installation Methods 0.000 claims description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a writing demonstration board, which relates to the technical field of demonstration boards and comprises a first mounting board and a second mounting board, wherein a first demonstration board is fixedly arranged on one side of the first mounting board, a second demonstration board is fixedly arranged on one side of the first demonstration board, the second demonstration board is positioned in front of the first demonstration board, a bottom board is fixedly arranged on one side of the first mounting board and on the lower surface of the first demonstration board, and the utility model has the beneficial effects that: through rotating the hand wheel, drive second bevel gear and rotate, because second bevel gear meshes with first bevel gear, make second bevel gear drive the threaded rod through first bevel gear and rotate, utilize the threaded rod to drive first slider and remove, make the second demonstration board remove, make the second mounting panel remove simultaneously, expose first demonstration board, make first demonstration board and second demonstration board all demonstrate, increased usable floor area, make the staff link up demonstration content together.
Description
Technical Field
The utility model relates to the technical field of demonstration boards, in particular to a writing demonstration board.
Background
The writing demonstration board is a writing demonstration tool for writing data and demonstrating the data, has very wide application, can be used in the fields of engineering cost demonstration, education and the like,
the existing writing demonstration board is characterized in that two supporting rods are used for fixing a whiteboard, when the whiteboard is demonstrated, workers fix materials on the demonstration board in a magnetic attraction mode, sometimes the materials need to be written on the demonstration board, due to the fact that the demonstration board is limited in space, when more contents need to be demonstrated, the contents demonstrated before the demonstration needs to be erased so as to be written subsequently, or the demonstration board is turned over, writing is carried out on the back, but the workers cannot conveniently conduct coherent writing demonstration, and therefore the writing demonstration board is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a writing demonstration board which solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a write demonstration board, includes first mounting panel, second mounting panel, one side fixed mounting of first mounting panel has first demonstration board, one side fixed mounting of first demonstration board has the second demonstration board, the second demonstration board is located the place ahead of first demonstration board, one side of first mounting panel just is located the lower fixed surface who first demonstration board installs the bottom plate, first spout has been seted up to the upper surface of bottom plate, the inner chamber rotation of first spout is connected with the threaded rod, first slider has been cup jointed to the surface screw thread of threaded rod, first slider and second demonstration board fixed connection, the fixed surface of threaded rod one end has cup jointed first conical gear.
Preferably, the back fixed mounting of second demonstration board has the installation piece, one side that the installation piece is close to first demonstration board is provided with the whiteboard eraser, the whiteboard eraser contacts with first demonstration board, the mounting groove has been seted up to one side that the installation piece is close to first demonstration board, the inner chamber of mounting groove is provided with the connecting block, connecting block and whiteboard eraser fixed connection.
Preferably, the front of bottom plate is provided with hand wheel, hand wheel's one end extends to the inner chamber of first spout and fixedly connected with second bevel gear, second bevel gear meshes with first bevel gear.
Preferably, a clamping block is fixedly arranged on one side of the mounting block, a fixing block is fixedly arranged on one side of the surface of the first demonstration board, a clamping groove is formed in one side of the fixing block, and the clamping groove is clamped with the clamping block.
Preferably, the back of first demonstration board is provided with the connecting plate, the one end and the second mounting panel fixed connection of connecting plate, the second spout has been seted up to the back of first demonstration board, the inner chamber fixed mounting of second spout has the guide bar, the fixed surface of guide bar has cup jointed the second slider, second slider and connecting plate fixed connection.
Preferably, the bottoms of the first mounting plate and the second mounting plate are fixedly connected with electric telescopic rods, and moving wheels are arranged at the bottoms of the electric telescopic rods.
The utility model provides a writing demonstration board which has the following beneficial effects:
1. this write demonstration board, through rotating hand wheel, drive second bevel gear and rotate, because second bevel gear meshes with first bevel gear, make second bevel gear drive the threaded rod through first bevel gear and rotate, utilize the threaded rod to drive first slider and remove, make the second demonstration board remove, make the second mounting panel remove simultaneously, expose first demonstration board, make first demonstration board and second demonstration board all demonstrate, the usable floor area has been increased, make the staff can link up demonstration content together, utilize whiteboard eraser and the surface of first demonstration board to contact simultaneously, when packing up the device, can utilize whiteboard eraser to wipe the content on first demonstration board surface, make the staff need not clean the content on first demonstration board surface, it is more convenient.
2. This write demonstration board through the one side fixed mounting at the installation piece has the joint piece, exposes the back with first demonstration board, makes joint piece joint to the inner chamber of joint groove, can fix the position of second demonstration board, through seting up the second spout at the back of first demonstration board, utilize the connecting plate to link together second slider and second mounting panel, after the device is expanded or when packing up, make second mounting panel still link together with first demonstration board, guaranteed the distance between first demonstration board and the second demonstration board simultaneously, all be connected with first demonstration board through first mounting panel and second mounting panel, all be connected with the second demonstration board with the second mounting panel through the bottom plate, make the device form wholly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view, partially in section, of the present utility model;
fig. 3 is a schematic top view of the mounting block of the present utility model.
In the figure: 1. a first mounting plate; 2. a second mounting plate; 3. a first demonstration board; 4. a second demonstration board; 5. a bottom plate; 6. a first chute; 7. a threaded rod; 8. a first slider; 9. a first bevel gear; 10. a second bevel gear; 11. hand-operated wheels; 12. an electric telescopic rod; 13. a mounting block; 14. a whiteboard eraser; 15. a mounting groove; 16. a connecting block; 17. a clamping block; 18. a fixed block; 19. a clamping groove; 20. a second chute; 21. a guide rod; 22. a second slider; 23. and (5) connecting a plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Embodiment one:
referring to fig. 1 to 3, the present utility model provides a technical solution: the writing demonstration board comprises a first mounting board 1 and a second mounting board 2, wherein a first demonstration board 3 is fixedly arranged on one side of the first mounting board 1, a second demonstration board 4 is fixedly arranged on one side of the first demonstration board 3, the second demonstration board 4 is positioned in front of the first demonstration board 3, a bottom board 5 is fixedly arranged on one side of the first mounting board 1 and the lower surface of the first demonstration board 3, a first sliding groove 6 is formed in the upper surface of the bottom board 5, an inner cavity of the first sliding groove 6 is rotationally connected with a threaded rod 7, a first sliding block 8 is sleeved on the surface thread of the threaded rod 7, the first sliding block 8 is driven to move by the threaded rod 7, the first sliding block 8 is fixedly connected with the second demonstration board 4, the second demonstration board 4 is driven to move by the first sliding block 8, the second mounting board 2 is simultaneously moved, the first demonstration board 3 is exposed, and the first demonstration board 3 and the second demonstration board 4 can be demonstrated, the usable area is increased, the staff can link the demonstration contents together, the surface fixing at one end of the threaded rod 7 is sleeved with the first conical gear 9, the back of the second demonstration board 4 is fixedly provided with the installation block 13, one side of the installation block 13 close to the first demonstration board 3 is provided with the whiteboard eraser 14, the whiteboard eraser 14 is contacted with the surface of the first demonstration board 3, when the device is retracted, the whiteboard eraser 14 can be utilized to erase the content of the surface of the first demonstration board 3, the staff does not need to erase the content of the surface of the first demonstration board 3, the convenience is improved, the whiteboard eraser 14 is contacted with the first demonstration board 3, one side of the installation block 13 close to the first demonstration board 3 is provided with the installation groove 15, the inner cavity of the installation groove 15 is provided with the connecting block 16, the connecting block 16 is fixedly connected with the whiteboard eraser 14, the front of the bottom board 5 is provided with the hand-operated wheel 11, one end of the hand crank 11 extends to the inner cavity of the first chute 6 and is fixedly connected with a second conical gear 10, the second conical gear 10 is driven to rotate by rotating the hand crank 11, the second conical gear 10 is meshed with the first conical gear 9, and the second conical gear 10 is meshed with the first conical gear 9, so that the second conical gear 10 drives the threaded rod 7 to rotate through the first conical gear 9.
Embodiment two:
referring to fig. 1 to 3, a clamping block 17 is fixedly installed on one side of the installation block 13, a fixing block 18 is fixedly installed on one side of the surface of the first demonstration board 3, a clamping groove 19 is formed on one side of the fixing block 18, the clamping groove 19 is clamped with the clamping block 17, after the first demonstration board 3 is exposed through the clamping block 17 fixedly installed on one side of the installation block 13, the clamping block 17 is clamped to an inner cavity of the clamping groove 19, the position of the second demonstration board 4 can be fixed, a connecting plate 23 is arranged on the back surface of the first demonstration board 3, one end of the connecting plate 23 is fixedly connected with the second installation board 2, a second sliding groove 20 is formed on the back surface of the first demonstration board 3, a guide rod 21 is fixedly installed in the inner cavity of the second sliding groove 20, a second sliding block 22 is fixedly sleeved on the surface of the guide rod 21, the second slide block 22 is fixedly connected with the connecting plate 23, the second slide groove 20 is formed in the back face of the first demonstration board 3, the second slide block 22 is connected with the second mounting board 2 through the connecting plate 23, after the device is unfolded or when the device is folded, the second mounting board 2 is still connected with the first demonstration board 3, meanwhile, the distance between the first demonstration board 3 and the second demonstration board 4 is ensured, the electric telescopic rod 12 is fixedly connected to the bottoms of the first mounting board 1 and the second mounting board 2, the moving wheel is arranged at the bottom of the electric telescopic rod 12, the first mounting board 1 and the second mounting board 2 are connected with the first demonstration board 3, and the bottom plate 5 and the second mounting board 2 are connected with the second demonstration board 4 through the bottom plate 5, so that the device is integrated.
In summary, when the writing demonstration board is used, firstly, the device is moved to a proper position, the heights of the first mounting plate 1 and the second mounting plate 2 are adjusted through the electric telescopic rod 12, demonstration is carried out on the surface of the second demonstration board 4, when the surface of the second demonstration board 4 has no space, the hand wheel 11 is rotated to drive the second bevel gear 10 to rotate, as the second bevel gear 10 is meshed with the first bevel gear 9, the second bevel gear 10 drives the threaded rod 7 to rotate through the first bevel gear 9, the threaded rod 7 is utilized to drive the first sliding block 8 to move, the second demonstration board 4 is enabled to move, meanwhile, the second mounting plate 2 is enabled to move, the first demonstration board 3 is exposed, meanwhile, the clamping block 17 is enabled to be clamped to the inner cavity of the clamping groove 19, when wiping is needed, the whiteboard eraser 14 can be taken out, after the use, the content on the surface of the second demonstration board 4 is removed, the whiteboard eraser 14 is placed back to the original position, the hand wheel 11 is reversely rotated to enter the inner cavity of the mounting groove 15, the hand wheel 11 is enabled to drive the first blackboard eraser 14 to move, the first demonstration board 4 is enabled to move, and the first demonstration board 14 can be enabled to move towards the first demonstration board 14, and the writing board can be enabled to move, and the writing board 14 is enabled to move.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a write demonstration board, includes first mounting panel (1), second mounting panel (2), its characterized in that: one side fixed mounting of first mounting panel (1) has first demonstration board (3), one side fixed mounting of first demonstration board (3) has second demonstration board (4), second demonstration board (4) are located the place ahead of first demonstration board (3), one side of first mounting panel (1) and the lower fixed surface who is located first demonstration board (3) install bottom plate (5), first spout (6) have been seted up to the upper surface of bottom plate (5), the inner chamber rotation of first spout (6) is connected with threaded rod (7), first slider (8) have been cup jointed to the surface screw thread of threaded rod (7), first slider (8) and second demonstration board (4) fixed connection, the fixed surface of threaded rod (7) one end has cup jointed first conical gear (9).
2. A writing demonstration board as claimed in claim 1, wherein: the back fixed mounting of second demonstration board (4) has installation piece (13), one side that installation piece (13) is close to first demonstration board (3) is provided with whiteboard eraser (14), whiteboard eraser (14) are contacted with first demonstration board (3), mounting groove (15) have been seted up to one side that installation piece (13) is close to first demonstration board (3), the inner chamber of mounting groove (15) is provided with connecting block (16), connecting block (16) and whiteboard eraser (14) fixed connection.
3. A writing demonstration board as claimed in claim 1, wherein: the front of bottom plate (5) is provided with hand wheel (11), the one end of hand wheel (11) extends to the inner chamber of first spout (6) and fixedly connected with second bevel gear (10), second bevel gear (10) meshes with first bevel gear (9).
4. A writing demonstration board as claimed in claim 2, wherein: one side fixed mounting of installation piece (13) has joint piece (17), one side fixed mounting of first demonstration board (3) surface has fixed block (18), joint groove (19) have been seted up to one side of fixed block (18), joint groove (19) and joint piece (17) looks joint.
5. A writing demonstration board as claimed in claim 1, wherein: the back of first demonstration board (3) is provided with connecting plate (23), the one end and the second mounting panel (2) fixed connection of connecting plate (23), second spout (20) have been seted up at the back of first demonstration board (3), the inner chamber fixed mounting of second spout (20) has guide bar (21), the fixed surface of guide bar (21) has cup jointed second slider (22), second slider (22) and connecting plate (23) fixed connection.
6. A writing demonstration board as claimed in claim 1, wherein: the bottom of first mounting panel (1) and second mounting panel (2) is all fixedly connected with electric telescopic handle (12), the bottom of electric telescopic handle (12) is provided with the removal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643408.5U CN220147055U (en) | 2023-03-28 | 2023-03-28 | Writing demonstration board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643408.5U CN220147055U (en) | 2023-03-28 | 2023-03-28 | Writing demonstration board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220147055U true CN220147055U (en) | 2023-12-08 |
Family
ID=89016245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320643408.5U Active CN220147055U (en) | 2023-03-28 | 2023-03-28 | Writing demonstration board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220147055U (en) |
-
2023
- 2023-03-28 CN CN202320643408.5U patent/CN220147055U/en active Active
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| GR01 | Patent grant |