CN220320873U - Adjustable teaching sand table - Google Patents
Adjustable teaching sand table Download PDFInfo
- Publication number
- CN220320873U CN220320873U CN202321815162.1U CN202321815162U CN220320873U CN 220320873 U CN220320873 U CN 220320873U CN 202321815162 U CN202321815162 U CN 202321815162U CN 220320873 U CN220320873 U CN 220320873U
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- sand table
- bevel gear
- transmission shaft
- fixedly arranged
- rod
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- 239000004576 sand Substances 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000003028 elevating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of sand tables, in particular to an adjustable teaching sand table, aiming at the problem that the height of the sand table is inconvenient to adjust in the prior art, the utility model provides a scheme which comprises a base, wherein a fixed column is fixedly arranged at the top of the base, a rectangular groove is formed in the fixed column, a telescopic rod is slidably arranged in the rectangular groove, one side of the telescopic rod is provided with a plurality of arc clamping grooves, a fixed frame is fixedly arranged at one side of the rectangular groove, a spring is fixedly arranged on the fixed frame, an arc clamping block is slidably arranged in the fixed frame and is matched with the arc clamping groove, a first rotating shaft is rotatably arranged at the top end of the telescopic rod, a rotary table is fixedly arranged on the first rotating shaft, a sand table is fixedly arranged at the top of the rotary table, an adjusting rod is fixedly arranged at one side of the rotary table, the structure is reasonable, the height of the sand table is convenient to adjust, and the angle of the sand table is convenient to adjust.
Description
Technical Field
The utility model relates to the technical field of sand tables, in particular to an adjustable teaching sand table.
Background
The sand table is a model piled by silt, chess and other materials according to a certain proportion relation and according to a topographic map, an aerial photograph or a field topography, and is frequently used in marketing.
Existing adjustable teaching sand table:
the utility model discloses a teaching sand table among the patent document of bulletin number CN218601976U, belong to sand table technical field, including the brace table, the top surface rotation of brace table is provided with removable sand table, the side of brace table is fixed with two dead levers, the top of dead lever is connected with the connecting plate, round mouth has been seted up on the connecting plate, rotate between the inner wall of round mouth and be provided with the bull stick, elastic sleeve is equipped with the regulation pole on the bull stick, the bottom of adjusting the pole is connected with the shot-light, thereby the sand table can rotate when the sand table teaching, and then the omnidirectional is watched and is taught the explanation to the model on the sand table, make teaching explanation effect better, simultaneously under adjustable angle's shot-light's effect, make its viewing effect better, and then guarantee holistic sand table teaching explanation quality.
But this teaching sand table with adjustable when using is inconvenient to adjust the height of sand table.
Disclosure of Invention
The utility model aims to solve the defect that the height of an adjustable teaching sand table is inconvenient to adjust when the adjustable teaching sand table is used.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a teaching sand table with adjustable, includes the base, the top fixed mounting of base has the fixed column, and has seted up the rectangular channel in the fixed column, slidable mounting has the telescopic link in the rectangular channel, and a plurality of arc draw-in grooves have been seted up to one side of telescopic link, one side fixed mounting has the fixed frame in the rectangular channel, and fixed mounting has the spring on the fixed frame, slidable mounting has the arc fixture block in the fixed frame, and arc fixture block cooperatees with the arc draw-in groove, telescopic link top rotation installs first rotation axis, and fixed mounting has the carousel on the first rotation axis, the top fixed mounting of carousel has the sand table, and one side fixed mounting of carousel has the regulation pole, be provided with elevating system on the base.
Preferably, the lifting mechanism comprises a supporting plate, the supporting plate is fixedly arranged on the outer side of the fixed column, a second rotating shaft is rotatably arranged on the supporting plate, and an L-shaped supporting frame is fixedly arranged at the top of the supporting plate.
Preferably, a first bevel gear is arranged on the outer side of the first transmission shaft, a second transmission shaft is rotatably arranged at the bottom of the support frame, a second bevel gear is fixedly arranged at the bottom end of the second transmission shaft, and the first bevel gear is meshed with the second bevel gear.
Preferably, the support frame is internally provided with a sliding hole, a sliding plate is slidably arranged in the sliding hole, the outer side of the telescopic rod is fixedly provided with a support rod, and the bottom of the support rod is fixedly connected with one side of the sliding plate.
Preferably, the top fixed mounting of base has fixed plate and dead lever, and rotates on the fixed plate and install first transmission shaft, first transmission shaft one end fixed mounting has the connecting rod, and slidable mounting has the rocker in the connecting rod, set up flutedly in the dead lever, and recess inner wall and rocker one end fixed connection.
Preferably, a third bevel gear is arranged on the outer side of the second transmission shaft, a fourth bevel gear is fixedly arranged at one end of the second rotation shaft, and the third bevel gear is meshed with the fourth bevel gear.
Preferably, a gear is fixedly arranged on the second rotating shaft, a rack is fixedly arranged on the outer side of the sliding plate, and the gear is meshed with the rack.
Compared with the prior art, the utility model has the advantages that:
because arc fixture block and spring have been set up, when the arc draw-in groove on the telescopic link and arc fixture block laminating contact, the spring is kick-backed, withstands the arc fixture block, blocks it, and the rethread is manual to rotate the rocker, makes the arc fixture block can block other arc draw-in grooves to realize adjusting the height of sand table.
Due to the arrangement of the adjusting rod, the adjusting rod is manually rotated, the adjusting rod drives the turntable to rotate through the first rotating shaft, and the turntable drives the sand table to move, so that the angle of the sand table is adjusted.
The sand table is reasonable in structure, convenient to adjust the height of the sand table and convenient to adjust the angle of the sand table.
Drawings
FIG. 1 is a schematic diagram of an adjustable teaching sand table according to the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of the adjustable teaching sand table according to the present utility model;
fig. 3 is an enlarged schematic diagram of a portion B of an adjustable teaching sand table according to the present utility model.
In the figure: 1. a base; 2. fixing the column; 3. a telescopic rod; 4. a fixed frame; 5. a spring; 6. an arc-shaped clamping block; 7. a first rotation shaft; 8. a turntable; 9. a sand table; 10. an adjusting rod; 11. a fixed rod; 12. a rocker; 13. a connecting rod; 14. a first drive shaft; 15. a fixing plate; 16. a first bevel gear; 17. a second bevel gear; 18. a second drive shaft; 19. a third bevel gear; 20. a fourth bevel gear; 21. a gear; 22. a rack; 23. a support plate; 24. and (3) a sliding plate.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present embodiment, not all embodiments.
Example 1
Referring to fig. 1-3, an adjustable teaching sand table comprises a base 1, a fixed column 2 is fixedly arranged at the top of the base 1, a rectangular groove is formed in the fixed column 2, a telescopic rod 3 is slidably arranged in the rectangular groove, a plurality of arc clamping grooves are formed in one side of the telescopic rod 3, a fixed frame 4 is fixedly arranged on one side of the rectangular groove, a spring 5 is fixedly arranged on the fixed frame 4, an arc clamping block 6 is slidably arranged in the fixed frame 4, the arc clamping block 6 is matched with the arc clamping grooves, a first rotating shaft 7 is rotatably arranged at the top end of the telescopic rod 3, a rotary table 8 is fixedly arranged on the first rotating shaft 7, a sand table 9 is fixedly arranged at the top of the rotary table 8, an adjusting rod 10 is fixedly arranged on one side of the rotary table 8, and a lifting mechanism is arranged on the base 1.
In this embodiment, a fixing plate 15 and a fixing rod 11 are fixedly installed on the top of the base 1, a first transmission shaft 14 is rotatably installed on the fixing plate 15, a connecting rod 13 is fixedly installed at one end of the first transmission shaft 14, a rocker 12 is slidably installed in the connecting rod 13, a groove is formed in the fixing rod 11, and the inner wall of the groove is fixedly connected with one end of the rocker 12.
In this embodiment, a third bevel gear 19 is installed on the outer side of the second transmission shaft 18, and a fourth bevel gear 20 is fixedly installed on one end of the second rotation shaft, and the third bevel gear 19 is meshed with the fourth bevel gear 20.
In this embodiment, the gear 21 is fixedly mounted on the second rotating shaft, and the rack 22 is fixedly mounted on the outer side of the slide plate 24, and the gear 21 is meshed with the rack 22.
In this embodiment, the lifting mechanism includes a support plate 23, and the support plate 23 is fixedly mounted on the outer side of the fixed column 2, a second rotating shaft is rotatably mounted on the support plate 23, and an L-shaped support frame is fixedly mounted on the top of the support plate 23.
In this embodiment, a first bevel gear 16 is installed on the outer side of the first transmission shaft 14, a second transmission shaft 18 is rotatably installed at the bottom of the support frame, a second bevel gear 17 is fixedly installed at the bottom end of the second transmission shaft 18, and the first bevel gear 16 is meshed with the second bevel gear 17.
In this embodiment, a sliding hole is formed in the support frame, a sliding plate 24 is slidably mounted in the sliding hole, a support rod is fixedly mounted on the outer side of the telescopic rod 3, and the bottom of the support rod is fixedly connected with one side of the sliding plate 24.
During operation, the sand table 9 is installed on the rotary table 8, the rocking bar 12 is manually rotated, the rocking bar 12 drives the first transmission shaft 14 to rotate through the connecting rod 13, the first transmission shaft 14 drives the first bevel gear 16 to rotate, the first bevel gear 16 drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the second transmission shaft 18 to rotate, the second transmission shaft 18 drives the third bevel gear 19 to rotate, the third bevel gear 19 drives the fourth bevel gear 20 to rotate, the fourth bevel gear 20 drives the second rotation shaft to rotate, the second rotation shaft drives the gear 21 to rotate, the gear 21 drives the rack 22 to move, the rack 22 drives the sliding plate 24 to move, the sliding plate 24 drives the telescopic rod 3 to move upwards through the supporting rod, the telescopic rod 3 is in contact with one side of the telescopic rod 3, the spring 5 rebounds to prop against the arc clamping block 6 when the arc clamping groove on the telescopic rod 3 is in contact with the arc clamping block 6, the arc clamping block 6 is clamped by the manual rotation of the rocking bar 12, the arc clamping block 6 can clamp other arc clamping grooves, the height of the sand table 9 is adjusted, after the height adjustment, the rocking bar 12 is placed in the fixed groove 11 to clamp the fixed rod 11 to the fixed groove, the height of the rocking bar is clamped by the arc clamping block 12, the sliding bar is well 10 is prevented from falling off, the rocking bar is adjusted, the rotary table 9 is driven to move by the rotary table is adjusted, and the rotary table 8 is adjusted by the rotary table is adjusted by the manual angle, the rocking bar 9 is adjusted, and the rotary table is adjusted by the rotary table is 8.
Example two
The second embodiment differs from the first embodiment in that: the structure of a fixed rod 11, a rocker 12, a connecting rod 13 and the like is canceled, a driving motor is arranged on the base 1, one end of a first transmission shaft 14 is fixedly connected with an output shaft of the driving motor, and the driving motor directly drives the first transmission shaft 14 to rotate.
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 will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.
Claims (7)
1. The utility model provides a teaching sand table with adjustable, includes base (1), its characterized in that, the top fixed mounting of base (1) has fixed column (2), and has seted up rectangular channel in fixed column (2), slidable mounting has telescopic link (3) in the rectangular channel, and a plurality of arc draw-in grooves have been seted up to one side of telescopic link (3), one side fixed mounting has fixed frame (4) in the rectangular channel, and fixed frame (4) are last fixed mounting has spring (5), fixed frame (4) slidable mounting has arc fixture block (6), and arc fixture block (6) cooperate with the arc draw-in groove, first pivot axle (7) are installed in telescopic link (3) top rotation, and fixed mounting has carousel (8) on first pivot axle (7), the top fixed mounting of carousel (8) has sand table (9), and one side fixed mounting of carousel (8) has regulation pole (10), be provided with elevating system on base (1).
2. An adjustable teaching sand table according to claim 1, characterized in that the lifting mechanism comprises a supporting plate (23), the supporting plate (23) is fixedly arranged on the outer side of the fixed column (2), a second rotating shaft is rotatably arranged on the supporting plate (23), and an L-shaped supporting frame is fixedly arranged at the top of the supporting plate (23).
3. An adjustable teaching sand table according to claim 2, characterized in that the top of the base (1) is fixedly provided with a fixing plate (15) and a fixing rod (11), the fixing plate (15) is rotatably provided with a first transmission shaft (14), one end of the first transmission shaft (14) is fixedly provided with a connecting rod (13), a rocker (12) is slidably arranged in the connecting rod (13), a groove is formed in the fixing rod (11), and the inner wall of the groove is fixedly connected with one end of the rocker (12).
4. An adjustable teaching sand table according to claim 3, characterized in that a first bevel gear (16) is arranged on the outer side of the first transmission shaft (14), a second transmission shaft (18) is rotatably arranged at the bottom of the support frame, a second bevel gear (17) is fixedly arranged at the bottom end of the second transmission shaft (18), and the first bevel gear (16) is meshed with the second bevel gear (17).
5. An adjustable teaching sand table according to claim 4 and characterized in that a third bevel gear (19) is mounted on the outer side of the second transmission shaft (18), and a fourth bevel gear (20) is fixedly mounted on one end of the second rotation shaft, and the third bevel gear (19) is meshed with the fourth bevel gear (20).
6. The adjustable teaching sand table according to claim 5, wherein a sliding hole is formed in the support frame, a sliding plate (24) is slidably installed in the sliding hole, a support rod is fixedly installed on the outer side of the telescopic rod (3), and the bottom of the support rod is fixedly connected with one side of the sliding plate (24).
7. An adjustable teaching sand table according to claim 6 and characterized in that a gear (21) is fixedly mounted on the second rotating shaft, and a rack (22) is fixedly mounted on the outer side of the slide plate (24), and the gear (21) is meshed with the rack (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815162.1U CN220320873U (en) | 2023-07-11 | 2023-07-11 | Adjustable teaching sand table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815162.1U CN220320873U (en) | 2023-07-11 | 2023-07-11 | Adjustable teaching sand table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220320873U true CN220320873U (en) | 2024-01-09 |
Family
ID=89422720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321815162.1U Active CN220320873U (en) | 2023-07-11 | 2023-07-11 | Adjustable teaching sand table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220320873U (en) |
-
2023
- 2023-07-11 CN CN202321815162.1U patent/CN220320873U/en active Active
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| GR01 | Patent grant | ||
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