Sand table

Abstract

The utility model relates to the technical field of sand tables, in particular to a sand table, which comprises a bottom plate, a circular plate is arranged above the bottom plate, and the top of the circular plate is rotatably connected with a circular rod. A first motor is started to drive a worm gear to rotate through rotation of a worm, the worm gear drives a sand table body to rotate to a proper position through a round rod, a second motor is started to drive a gear to rotate, the gear rotates to drive an outer gear ring to rotate, the outer gear ring rotates to drive a round pipe to rotate, and the round pipe rotates to drive a screw to move upwards. The screw rod drives the circular plate to move upwards, the circular plate drives the two positioning rods to move, the supporting plate positions the corresponding positioning rods, the circular plate drives the circular rod to move upwards, the circular rod drives the sand table main body to move upwards, and the rotation angle of the sand table is convenient to adjust in the use process, so that the sand table is convenient to adjust during watching. And meanwhile, the height of the sand table is convenient to adjust, so that users with different heights can conveniently watch the sand table.

Description

Technical Field

[0001] The utility model relates to the technical field of sand tables, in particular to a sand table. Background Art

[0002] Sand table is a model made of mud, sand, chess and other materials according to a certain proportion based on topographic maps, aerial photographs or actual terrain. It has the characteristics of strong three-dimensional sense, intuitive image, simple production, economical and practical. Sand table has a wide range of uses, mainly in military, education, business, engineering and other fields.

[0003] However, some sand tables are not convenient for adjusting the rotation angle of the sand table during use, so that when watching, the viewer needs to rotate around the sand table to watch. At the same time, it is not convenient to adjust the height of the sand table, which is not convenient for users of different heights to watch, which brings great inconvenience to the users. Therefore, we propose a sand table to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a sand table to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sandbox, comprising a base plate, a circular plate is provided above the base plate, the top of the circular plate is rotatably connected to a round rod, the top of the round rod is fixedly connected to a sandbox body, the outer fixed sleeve of the round rod is provided with a worm gear, the top of the circular plate is fixedly connected to a vertical block, the rear side of the vertical block is rotatably connected to a worm, the worm gear is meshed with the worm, the bottom of the circular plate is fixedly connected to a screw, the outer side of the screw is threadedly connected to a circular tube, the outer fixed sleeve of the circular tube is provided with an outer gear ring, and a gear is meshed on the left side of the outer gear ring.

[0006] Further preferably, two support plates are fixedly connected to the top of the bottom plate, and a same cross plate is fixedly connected between the two support plates on sides close to each other.

[0007] Further preferably, the transverse plate is rotatably sleeved on the outside of the circular tube, and the top of the circular plate is fixedly connected to the first motor.

[0008] Further preferably, the output shaft end of the first motor is fixedly connected to the rear end of the worm, and a cross block is fixedly connected to the right side of one of the support plates on the left side.

[0009] Further preferably, a second motor is fixedly connected to the top of the horizontal block, and an end of an output shaft of the second motor is fixedly connected to the bottom of the gear.

[0010] Further preferably, two positioning rods are fixedly connected to the bottom of the circular plate, and the support plate is slidably sleeved on the outer sides of the corresponding positioning rods.

[0011] Further preferably, four cylinders are fixedly connected to the bottom of the sandbox body, and balls are embedded in the bottom ends of the cylinders, and the bottoms of the balls are in rolling contact with the top of the circular plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model starts the first motor to drive the worm wheel to rotate through the worm, and the worm wheel drives the sand table body to rotate to a suitable position through the round rod, and starts the second motor to drive the gear to rotate, and the gear rotation drives the outer gear ring to rotate, and the outer gear ring rotation drives the circular tube to rotate, and the circular tube rotation drives the screw to move upward, and the screw drives the circular plate to move upward, and the circular plate drives two positioning rods to move, and the support plate positions the corresponding positioning rods, and the circular plate drives the round rod to move upward, and the round rod drives the sand table body to move upward. During use, it is easy to adjust the rotation angle of the sand table, so that when watching, the viewer does not need to rotate around the sand table to watch, and it is also easy to adjust the height of the sand table, so that it is convenient for users of different heights to watch. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0014] Figure 2 It is a schematic diagram of a top view and cross-section structure of the utility model;

[0015] Figure 3 It is a bottom-up three-dimensional structural schematic diagram of the utility model.

[0016] In the figure: 1, bottom plate; 2, circular plate; 3, round rod; 4, sand table body; 5, worm gear; 6, vertical block; 7, worm; 8, screw; 9, circular tube; 10, outer gear ring; 11, ball; 12, gear; 13, support plate; 14, horizontal plate; 15, first motor; 16, horizontal block; 17, second motor; 18, positioning rod; 19, cylinder. DETAILED DESCRIPTION

[0017] 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.

[0018] Example

[0019] See also Figure 1-3The utility model provides a technical solution: a sandbox, including a bottom plate 1, a circular plate 2 is arranged above the bottom plate 1, the top of the circular plate 2 is rotatably connected with a round rod 3, the top of the round rod 3 is fixedly connected with a sandbox body 4, a worm gear 5 is arranged on the outer fixed sleeve of the round rod 3, a vertical block 6 is fixedly connected with the top of the circular plate 2, a worm 7 is rotatably connected with the rear side of the vertical block 6, the worm gear 5 is meshed with the worm 7, a screw rod 8 is fixedly connected with the bottom of the circular plate 2, a circular tube 9 is threadedly connected with the outer side of the screw rod 8, an outer fixed sleeve of the circular tube 9 is provided with an outer gear ring 10, a gear 12 is meshed with the left side of the outer gear ring 10, the first motor 15 is started to rotate through the worm 7 to drive the worm gear 5 to rotate, and the worm gear 5 is driven by the circular rod 3 The sandbox body 4 rotates to a suitable position, and the second motor 17 is started to drive the gear 12 to rotate. The rotation of the gear 12 drives the outer gear ring 10 to rotate. The rotation of the outer gear ring 10 drives the circular tube 9 to rotate. The rotation of the circular tube 9 drives the screw 8 to move upward. The screw 8 drives the circular plate 2 to move upward. The circular plate 2 drives the two positioning rods 18 to move. The support plate 13 positions the corresponding positioning rods 18. The circular plate 2 drives the round rod 3 to move upward. The round rod 3 drives the sandbox body 4 to move upward. During use, it is easy to adjust the rotation angle of the sandbox, so that when watching, the viewer does not need to rotate around the sandbox to watch. At the same time, it is easy to adjust the height of the sandbox, so that it is convenient for users of different heights to watch.

[0020] In this embodiment, specifically: two support plates 13 are fixedly connected to the top of the bottom plate 1, and a same horizontal plate 14 is fixedly connected between the two support plates 13 on the sides close to each other, and the setting of the support plates 13 plays a positioning effect;

[0021] In this embodiment, specifically: the horizontal plate 14 is rotatably sleeved on the outside of the circular tube 9, and the top of the circular plate 2 is fixedly connected with a first motor 15, and the setting of the first motor 15 achieves an automation effect;

[0022] In this embodiment, specifically: the output shaft end of the first motor 15 is fixedly connected to the rear end of the worm 7, and a cross block 16 is fixedly connected to the right side of a left support plate 13, and the setting of the cross block 16 plays a supporting effect;

[0023] In this embodiment, specifically: the top of the horizontal block 16 is fixedly connected to a second motor 17, and the output shaft end of the second motor 17 is fixedly connected to the bottom of the gear 12, and the arrangement of the second motor 17 achieves an automation effect;

[0024] In this embodiment, specifically: two positioning rods 18 are fixedly connected to the bottom of the circular plate 2, and the support plate 13 is slidably sleeved on the outer sides of the corresponding positioning rods 18, and the setting of the positioning rods 18 plays a positioning effect;

[0025] In this embodiment, specifically: four cylinders 19 are fixedly connected to the bottom of the sandbox body 4, and the bottom of the cylinder 19 is embedded with a ball 11. The bottom of the ball 11 is in rolling contact with the top of the circular plate 2. The setting of the ball 11 has the effect of reducing friction.

[0026] The utility model is in operation: when in use, when it is necessary to adjust the rotation angle of the sand table body 4, the first motor 15 is started, the first motor 15 works to drive the worm 7 to rotate, the rotation of the worm 7 drives the worm wheel 5 to rotate, the rotation of the worm wheel 5 drives the round rod 3 to rotate, the round rod 3 drives the sand table body 4 to rotate to a suitable position, the sand table body 4 drives the four cylinders 19 to rotate, the cylinder 19 drives the ball 11 to rotate on the top of the circular plate 2, and when watching, the viewer does not need to rotate around the sand table body 4 to watch, and when it is necessary to adjust the height of the sand table body 4, the second motor 17 is started, the second motor 17 works to drive the gear 12 to rotate, and the rotation of the gear 12 drives The outer gear ring 10 rotates, and the rotation of the outer gear ring 10 drives the circular tube 9 to rotate. The rotation of the circular tube 9 drives the screw 8 to move upward, and the screw 8 drives the circular plate 2 to move upward. The circular plate 2 drives the two positioning rods 18 to move, and the support plate 13 positions the corresponding positioning rods 18. The circular plate 2 drives the round rod 3 to move upward, and the round rod 3 drives the sand table body 4 to move upward, thereby adjusting the height of the sand table body 4, thereby forming a sand table. It is easy to adjust the rotation angle of the sand table during use, so that when watching, the viewer does not need to rotate around the sand table to watch, and it is also easy to adjust the height of the sand table, so that it is convenient for users of different heights to watch.

[0027] 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. A sand table, comprising a bottom plate (1), characterized in that: A circular plate (2) is provided above the bottom plate (1), the top of the circular plate (2) is rotatably connected to a circular rod (3), the top of the circular rod (3) is fixedly connected to a sandbox body (4), a worm gear (5) is provided on the outer fixed sleeve of the circular rod (3), a vertical block (6) is fixedly connected to the top of the circular plate (2), a worm (7) is rotatably connected to the rear side of the vertical block (6), the worm gear (5) is meshed with the worm (7), a screw rod (8) is fixedly connected to the bottom of the circular plate (2), the outer side of the screw rod (8) is threadedly connected to a circular tube (9), the outer fixed sleeve of the circular tube (9) is provided with an outer gear ring (10), and a gear (12) is meshed on the left side of the outer gear ring (10).

2. A sand table according to claim 1, characterized in that: Two support plates (13) are fixedly connected to the top of the bottom plate (1), and a common horizontal plate (14) is fixedly connected between the two sides of the two support plates (13) that are close to each other.

3. A sand table according to claim 2, characterized in that: The horizontal plate (14) is rotatably sleeved on the outside of the circular tube (9), and the top of the circular plate (2) is fixedly connected to a first motor (15).

4. A sand table according to claim 3, characterized in that: The output shaft end of the first motor (15) is fixedly connected to the rear end of the worm (7), and a cross block (16) is fixedly connected to the right side of one of the left support plates (13).

5. A sand table according to claim 4, characterized in that: A second motor (17) is fixedly connected to the top of the transverse block (16), and an output shaft end of the second motor (17) is fixedly connected to the bottom of the gear (12).

6. A sand table according to claim 5, characterized in that: Two positioning rods (18) are fixedly connected to the bottom of the circular plate (2), and the support plate (13) is slidably sleeved on the outer sides of the corresponding positioning rods (18).

7. A sand table according to claim 6, characterized in that: Four cylinders (19) are fixedly connected to the bottom of the sandbox body (4), and balls (11) are embedded at the bottom ends of the cylinders (19), and the bottoms of the balls (11) are in rolling contact with the top of the circular plate (2).

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