CN221034896U - Multimedia demonstration sand table - Google Patents
Multimedia demonstration sand table Download PDFInfo
- Publication number
- CN221034896U CN221034896U CN202323172992.XU CN202323172992U CN221034896U CN 221034896 U CN221034896 U CN 221034896U CN 202323172992 U CN202323172992 U CN 202323172992U CN 221034896 U CN221034896 U CN 221034896U
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- sand table
- fixedly connected
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- motor
- multimedia presentation
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- 239000004576 sand Substances 0.000 title claims abstract description 73
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004088 simulation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of multimedia presentation and discloses a multimedia presentation sand table, which comprises a sand table main body and a supporting plate, wherein a bearing seat is connected in the middle of the upper end surface of the supporting plate, the middle end of the bearing seat is rotationally connected with a first rotating rod, a first gear is connected in the middle of the first rotating rod in a penetrating way, the upper end surface of the supporting plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a second gear, the second gear is in meshed connection with the first gear, the upper end surface of the first rotating rod is fixedly provided with a second motor, the output end of the second motor is rotationally connected with a threaded screw rod, and a sliding seat is sleeved on the outer wall of the threaded screw rod in a sliding way. According to the utility model, the sand table for multimedia presentation has the function of adjusting the height and the angle, the problem that the existing sand table for multimedia presentation cannot adjust the viewing angle is solved, and meanwhile, the sand table for multimedia presentation has a good projection effect.
Description
Technical Field
The utility model relates to the technical field of multimedia presentation sand tables, in particular to a multimedia presentation sand table.
Background
Sand table deduction and sand table simulation training are achieved by leading students to enter a simulated competitive industry, establishing a plurality of simulation companies in groups by the students, surrounding visual sand table teaching aids, performing actual combat exercise to simulate the business management and market competition of the enterprises, improving strategic management capability in the process of going into the full-face of the simulation enterprises for 3-4 years, and inspiring operational decision true spirit. After each year of operation is finished, students check and summarize the current year of performance of 'company', decide success and failure, analyze strategy, comb management thought, expose self error area, and through multiple adjustment and improved exercises, the comprehensive management quality is improved practically.
Most of the present demonstration sand tables cannot be well adjusted in height and angle, so that the sand tables cannot be well watched, and meanwhile, the problem of incomplete demonstration is probably caused. Accordingly, one skilled in the art would provide a multimedia presentation sand table that solves the problems set forth in the background above.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a multimedia presentation sand table which has the function of adjusting the height and the angle, solves the problem that the prior multimedia presentation sand table cannot adjust the viewing angle, and has a good projection effect.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a multimedia presentation sand table, includes sand table main part and backup pad, the middle connection of backup pad up end is provided with the bearing frame, the bearing frame middle extreme rotates and is connected with first dwang, the first gear of through-connection in the middle of the first dwang, backup pad up end fixedly connected with first motor, the output fixedly connected with second gear of first motor, the second gear is connected with first gear engagement, first dwang up end fixedly provided with second motor, the output rotation of second motor is connected with the screw thread lead screw, screw thread lead screw outer wall sliding sleeve is equipped with the sliding seat, the sliding seat through-connection has two gag lever posts, both sides wall fixedly connected with support frame, two with sand table main part on the support frame;
the sand table comprises a sand table body, a connecting block is fixedly connected to one side wall of the sand table body, a second rotating rod is fixedly connected to the bottom in the connecting block, a fourth gear is connected to the middle of the second rotating rod in a penetrating manner, a third motor is fixedly connected to the inner bottom end of the connecting block, a fourth gear is connected to the output end of the third motor, the fourth gear is meshed with the third gear and connected with the output end of the third motor, a rotating block is fixedly connected to the upper end face of the second rotating rod, and a projector is fixedly connected to the top end of the rotating block.
Through above-mentioned technical scheme, can drive sand table main part through bearing frame, first dwang, first gear, first motor and second gear and rotate, can drive sand table main part through second motor, sliding seat, gag lever post and support frame and reciprocate, can drive the projecting apparatus through second dwang, fourth gear, third motor and third gear and rotate.
Further, a projection plate is fixedly connected to one side wall of the sand table main body;
Through the technical scheme, the content on the sand table main body can be displayed through the projection plate.
Further, a first protective shell is sleeved on the periphery of the second motor, and sliding grooves are formed in two side walls of the first protective shell;
Through the technical scheme, the supporting rod can slide up and down through the sliding groove.
Further, two universal wheels are fixedly connected to two sides of the lower end face of the supporting plate;
through above-mentioned technical scheme, can remove the sand table main part through the universal wheel.
Further, fans are fixedly arranged on two sides of the inside of the projector;
through the technical scheme, the heat of the projector can be dissipated through the fan.
Further, a telescopic rod is fixedly arranged on one side of the upper end of the second rotating rod;
Through above-mentioned technical scheme, can adjust the angle of projecting apparatus through the telescopic link.
Further, a limiting groove is formed in the middle of the inside of the connecting block;
through above-mentioned technical scheme, can prevent through the spacing groove that the second dwang from removing.
Further, the upper end of the supporting plate is fixedly connected with a second protective shell;
Through above-mentioned technical scheme, can protect the equipment of backup pad upper end through the second protective housing.
The utility model has the following beneficial effects:
1. Compared with the existing demonstration sand table, when the sand table is put into use, the third rotating rod is powered by the second motor, and meanwhile, the third rotating rod drives the rotating block to move up and down to adjust the sand table main body to a proper height, so that the effect of convenient viewing is achieved.
2. Compared with the existing demonstration sand table, the multimedia demonstration sand table provided by the utility model has the advantages that when the sand table is put into use, the first motor is used for providing power for the second gear, and meanwhile, the second gear drives the first gear to rotate, so that the first rotating rod rotates omnidirectionally, and the effect of adjusting the demonstration sand table is achieved.
3. Compared with the existing demonstration sand table, the multimedia demonstration sand table provided by the utility model has the advantages that when the sand table is put into use, the third motor is used for providing power, and meanwhile, the telescopic rod is adjusted, so that the projection angle of the projector is changed, and the demonstration effect of the sand table is enhanced.
Drawings
FIG. 1 is a front cross-sectional view of a multimedia presentation sand table according to the present utility model;
FIG. 2 is a side view of a multimedia presentation sand table according to the present utility model;
FIG. 3 is a schematic diagram of a second rotary rod transmission of a multimedia presentation sand table according to the present utility model;
fig. 4 is a schematic diagram illustrating a transmission of a sliding seat of a multimedia presentation sand table according to the present utility model.
Legend description:
1. A projection plate; 2. a sand table body; 3. a support frame; 4. a first protective case; 5. a chute; 6. a limit rod; 7. a threaded lead screw; 8. a sliding seat; 9. a second protective case; 10. a universal wheel; 11. a support plate; 12. a first gear; 13. a first rotating lever; 14. a bearing seat; 15. a second gear; 16. a first motor; 17. a second motor; 18. a connecting block; 19. a limit groove; 20. a second rotating lever; 21. a third motor; 22. a third gear; 23. a fourth gear; 24. a rotating block; 25. a fan; 26. a telescopic rod; 27. and a projector.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: a multimedia presentation sand table comprising a sand table body 2 and a support plate 11, characterized in that: the middle of the upper end surface of the supporting plate 11 is connected with a bearing seat 14, the middle end of the bearing seat 14 is rotationally connected with a first rotating rod 13, a first gear 12 is rotationally connected in the middle of the first rotating rod 13 in a penetrating way, the upper end surface of the supporting plate 11 is fixedly connected with a first motor 16, the output end of the first motor 16 is fixedly connected with a second gear 15, the second gear 15 is meshed with the first gear 12, through the technical scheme, the sand table main body 2 can be driven to rotate by the bearing seat 14, the first rotating rod 13, the first gear 12, the first motor 16 and the second gear 15, the upper end surface of the first rotating rod 13 is fixedly provided with a second motor 17, the output end of the second motor 17 is rotationally connected with a threaded lead screw 7, a sliding seat 8 is sleeved on the outer wall of the threaded lead screw 7 in a sliding way, the sliding seat 8 is rotationally connected with two limiting rods 6 in a penetrating way, two side walls of the sliding seat 8 are fixedly connected with supporting frames 3, the two supporting frames 3 are fixedly connected with the sand table main body 2, and the sand table main body 2 can be driven to move up and down by the second motor 17, the sliding seat 8, the limiting rods 6 and the supporting frames can drive the sand table main body 2 to move up and down;
A connecting block 18 is fixedly connected to one side wall of the sand table main body 2, a second rotating rod 20 is fixedly connected to the inner bottom of the connecting block 18, a fourth gear 23 is connected to the middle of the second rotating rod 20 in a penetrating manner, a third motor 21 is fixedly connected to the inner bottom of the connecting block 18, a fourth gear 23 is connected to the output end of the third motor 21, the fourth gear 23 is meshed with the third gear 22, a rotating block 24 is fixedly connected to the upper end face of the second rotating rod 20, a projector 27 is fixedly connected to the top end of the rotating block 24, and the projector 27 can be driven to rotate through the second rotating rod 20, the fourth gear 23, the third motor 21 and the third gear 22.
Sand table main part 2a side wall fixedly connected with projection plate 1 can demonstrate the content on the sand table main part 2 through projection plate 1, second motor 17 periphery cover is equipped with first protective housing 4, spout 5 has all been seted up to first protective housing 4 both sides wall, can make bracing piece 3 slide from top to bottom through spout 5, two universal wheels 10 of terminal surface both sides equal fixedly connected with under the backup pad 11, can remove sand table main part 2 through universal wheels 10, the inside both sides of projector 27 are all fixed and are provided with fan 25, can dispel the heat to projector 27 through fan 25, second dwang 20 upper end one side is fixed and is provided with telescopic link 26, can adjust the angle of projector 27 through telescopic link 26, spacing groove 19 has been seted up in the middle of the connecting block 18 is inside, can prevent through spacing groove 19 that the second dwang from removing 20, backup pad 11 upper end fixedly connected with second protective housing 9, can protect the equipment of backup pad 11 upper end through second protective housing 9.
Working principle: when the sand table device is used, the first motor 16 is started to drive the first rotating rod 13 to rotate, then the first rotating rod 13 drives the sand table main body 2 to rotate, so that the sand table main body 2 rotates to a proper angle, the sand table device is convenient for a user to observe during use, meanwhile, the second motor 17 is started to drive the threaded screw rod 7 to rotate and adjust the height of the sand table main body 2, the height-adjustable setting enables the device to be suitable for users with different heights, then the projection angle of the projector 27 is adjusted through the third motor 21, and then the projection effect is adjusted through the telescopic rod 26.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a multimedia presentation sand table, includes sand table main part (2) and backup pad (11), its characterized in that: the sand table is characterized in that a bearing seat (14) is arranged in the middle of the upper end face of the supporting plate (11), a first rotating rod (13) is rotationally connected to the middle end of the bearing seat (14), a first gear (12) is connected in the middle of the first rotating rod (13) in a penetrating manner, a first motor (16) is fixedly connected to the upper end face of the supporting plate (11), a second gear (15) is fixedly connected to the output end of the first motor (16), the second gear (15) is meshed with the first gear (12), a second motor (17) is fixedly arranged on the upper end face of the first rotating rod (13), a threaded screw (7) is rotationally connected to the output end of the second motor (17), a sliding seat (8) is sleeved on the outer wall of the threaded screw (7) in a sliding manner, two limiting rods (6) are connected in a penetrating manner, two supporting frames (3) are fixedly connected to the two side walls of the sliding seat (8), and the two supporting frames (3) are fixedly connected with the sand table main body (2);
The sand table is characterized in that a connecting block (18) is fixedly connected to one side wall of the sand table body (2), a second rotating rod (20) is fixedly connected to the inner bottom of the connecting block (18), a fourth gear (23) is fixedly connected to the middle of the second rotating rod (20), a third motor (21) is fixedly connected to the inner bottom of the connecting block (18), a fourth gear (23) is connected to the output end of the third motor (21), the fourth gear (23) is meshed with the third gear (22), a rotating block (24) is fixedly connected to the upper end face of the second rotating rod (20), and a projector (27) is fixedly connected to the top end of the rotating block (24).
2. A multimedia presentation sand table as claimed in claim 1 wherein: a projection plate (1) is fixedly connected to one side wall of the sand table main body (2).
3. A multimedia presentation sand table as claimed in claim 1 wherein: the periphery of the second motor (17) is sleeved with a first protective shell (4), and sliding grooves (5) are formed in two side walls of the first protective shell (4).
4. A multimedia presentation sand table as claimed in claim 1 wherein: two universal wheels (10) are fixedly connected to two sides of the lower end face of the supporting plate (11).
5. A multimedia presentation sand table as claimed in claim 1 wherein: fans (25) are fixedly arranged on two sides of the inside of the projector (27).
6. A multimedia presentation sand table as claimed in claim 1 wherein: a telescopic rod (26) is fixedly arranged on one side of the upper end of the second rotating rod (20).
7. A multimedia presentation sand table as claimed in claim 1 wherein: a limiting groove (19) is formed in the middle of the inside of the connecting block (18).
8. A multimedia presentation sand table as claimed in claim 1 wherein: the upper end of the supporting plate (11) is fixedly connected with a second protective shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323172992.XU CN221034896U (en) | 2023-11-23 | 2023-11-23 | Multimedia demonstration sand table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323172992.XU CN221034896U (en) | 2023-11-23 | 2023-11-23 | Multimedia demonstration sand table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221034896U true CN221034896U (en) | 2024-05-28 |
Family
ID=91189300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323172992.XU Active CN221034896U (en) | 2023-11-23 | 2023-11-23 | Multimedia demonstration sand table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221034896U (en) |
-
2023
- 2023-11-23 CN CN202323172992.XU patent/CN221034896U/en active Active
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