CN213659824U

CN213659824U - Sand table for exhibitions and space environment design

Info

Publication number: CN213659824U
Application number: CN202022812344.6U
Authority: CN
Inventors: 万妞
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-09
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a sand table is used in exhibitions and space environment design, including the show piece, the equal fixedly connected with landing leg in bottom four corners position of show piece, four fixedly connected with installation piece between the landing leg, the installation cavity has been seted up in the installation piece, the installation cavity internal rotation is connected with the dwang, fixedly connected with driving gear on the dwang, the equal fixedly connected with driven gear in both ends of dwang, the meshing is connected with rack A on the driving gear, rack A sliding connection is in the installation cavity. The utility model relates to a sand table technical field drives the screw rod through starting driving motor and rotates the nut that drives threaded connection on the screw rod and slide to drive rack A and slide and make the driving gear drive the dwang and rotate, then drive rack B upward movement through the driven gear of fixed connection on the dwang in order to realize the altitude mixture control to the show piece, solved the unable height-adjusting of traditional device and then lead to the not good problem of bandwagon effect.

Description

Sand table for exhibitions and space environment design

Technical Field

The utility model relates to a sand table technical field especially relates to a sand table is used in exhibitions and space environment design.

Background

The sand table expresses the landform characteristics in a micro-entity mode, represents objects such as mountain bodies, water bodies, roads and the like in the model, mainly represents terrain data, and enables people to know macroscopic objects from a microscopic angle.

In the process of sand table display, most of the display areas for placing the sand tables are different in height, so that the height of the sand tables needs to be adjusted to match indoor light, the display effect is better, and most of the traditional sand tables for exhibitions do not have the function.

Therefore, the sand table for exhibitions and space environment design is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a sand table for exhibitions and space environment design.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sand table for exhibitions and space environment design comprises a display block, wherein four supporting legs are fixedly connected to the four corners of the bottom of the display block, an installation block is fixedly connected among the four supporting legs, an installation cavity is formed in the installation block, a rotating rod is connected in the installation cavity in a rotating manner, a driving gear is fixedly connected to the rotating rod, driven gears are fixedly connected to the two ends of the rotating rod, a rack A is connected to the driving gear in a meshed manner, the rack A is connected in the installation cavity in a sliding manner, a fixed block is fixedly connected to the bottom of the installation block, a driving motor is fixedly connected to one side of the fixed block, a cavity is formed in the fixed block, a screw rod is connected in the cavity in a rotating manner, one end of the screw rod is in transmission connection with a transmission end of the driving motor, a nut is in, the installation piece and the fixed block are all provided with a limiting opening matched with the nut, the limiting opening is communicated with the nut, a connecting cavity is formed in the supporting leg, a rack B is connected in the connecting cavity in a sliding mode, the top of the rack B is fixedly connected with one side of the bottom of the display block, the rack B is connected to the driven gear in a meshed mode, a connecting opening matched with the driven gear is formed in the installation piece, an installation opening matched with the driven gear is formed in the supporting leg, and the connecting opening is communicated with the installation opening.

Preferably, one side fixedly connected with protection casing of fixed block, the protection casing cup joints on driving motor.

Preferably, every the equal fixedly connected with universal locking wheel in bottom of landing leg, wheel hub's material is the aluminum alloy in the universal locking wheel.

Preferably, the fixed block is internally and fixedly connected with a limiting rod, and the nut is provided with a sliding opening matched with the limiting rod.

Preferably, the landing leg is internally and slidably connected with a limiting block, and one end of the limiting block, which is far away from the inner side wall of the landing leg, is fixedly connected to the rack B.

Preferably, the driven gear is made of stainless steel, and the outer diameter of the driven gear is 8 cm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the height of the device needs to be adjusted, the protective cover can be started to drive the screw rod to rotate, so that the nut in threaded connection on the screw rod drives the rack A to slide, the driving gear in meshed connection with the rack A starts to rotate to drive the driven gear to rotate, and then the rack B in meshed connection with the driven gear moves upwards to adjust the height of the display block, so that the problem that the display effect is poor due to the fact that the height of a traditional device cannot be adjusted is solved;

2. the universal locking wheel of equal fixedly connected with on four landing legs of the device, when needs remove the device, only need promote the show piece and can drive the interior gyro wheel roll of universal locking wheel, great promotion the practicality of device.

Drawings

Fig. 1 is a schematic view of an external structure of a sand table for exhibition and space environment design according to the present invention;

fig. 2 is a front cross-sectional view of a sand table for exhibition and space environment design according to the present invention;

fig. 3 is a sectional view of the sand table for exhibition and space environment design according to the present invention.

In the figure: 1. displaying the block; 2. a support leg; 3. mounting blocks; 4. rotating the rod; 5. a driving gear; 6. a driven gear; 7. a rack A; 8. a rack B; 9. a fixed block; 10. a drive motor; 11. a screw; 12. a nut; 13. a limiting rod; 14. a limiting block; 15. a universal locking wheel; 16. a shield.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a sand table for exhibition and space environment design comprises a display block 1, wherein four corners of the bottom of the display block 1 are fixedly connected with supporting legs 2, a mounting block 3 is fixedly connected between the four supporting legs 2, a mounting cavity is arranged in the mounting block 3, a rotating rod 4 is rotatably connected in the mounting cavity, a driving gear 5 is fixedly connected on the rotating rod 4, two ends of the rotating rod 4 are fixedly connected with driven gears 6, a rack a7 is engaged and connected on the driving gear 5, a rack a7 is slidably connected in the mounting cavity, a fixed block 9 is fixedly connected at the bottom of the mounting block 3, a driving motor 10 is fixedly connected at one side of the fixed block 9, a cavity is arranged in the fixed block 9, a screw 11 is rotatably connected in the cavity, one end of the screw 11 is in transmission connection with a transmission end of the driving motor 10, a nut 12 is in threaded connection with the screw, all set up the spacing mouth with nut 12 looks adaptation on installation piece 3 and the fixed block 9, two spacing mouths are linked together, set up the connection chamber in landing leg 2, it has rack B8 to connect intracavity sliding connection, rack B8's top and one side fixed connection of show piece 1 bottom, rack B8 meshes the connection on driven gear 6, set up the connector with driven gear 6 looks adaptation on installation piece 3, set up the installing port with driven gear 6 looks adaptation on landing leg 2, the connector is linked together with the installing port. When the height of the sand table needs to be adjusted, a display person only needs to start the driving motor 10 to drive the nut 12 to slide on the screw rod 11, the rack A7 fixedly connected with the top of the nut 12 moves along with the nut 12 in the same direction, so that two driving gears 5 meshed and connected on the rack A7 are driven to rotate simultaneously, when the driving gears 5 rotate, the rotating rod 4 fixedly connected on the driving gears 5 also rotates along with the rotation, the driven gear 6 is driven to rotate, the rack B8 meshed and connected on the driven gear 6 moves upwards, so that the display block 1 is driven to adjust the height, when the display block 1 is driven to adjust the height simultaneously by four racks B8, the stability of the device when the height of the sand table is adjusted is also increased, and the problem that the height of the sand table cannot be adjusted by a traditional device, so that the display effect is affected is solved by the

Wherein, one side fixedly connected with protection casing 16 of fixed block 9, protection casing 16 cup joints on driving motor 10, and this setting has avoided the device when the show, because the exhibition personnel cause the condition of injury to the exhibition personnel when touching driving motor 10 carelessly, has improved the aesthetic property of device simultaneously.

Wherein, the bottom of each supporting leg 2 is fixedly connected with a universal locking wheel 15, the hub in the universal locking wheel 15 is made of aluminum alloy, the arrangement facilitates the movement of the sand table, and the design of the aluminum alloy improves the service life of the device.

Wherein, the fixed block 9 is internally and fixedly connected with a limiting rod 13, and the nut 12 is provided with a sliding opening matched with the limiting rod 13, so that the stability of the operation of the equipment is ensured.

Wherein, sliding connection has stopper 14 in landing leg 2, and the one end fixed connection that stopper 14 kept away from the 2 inside walls of landing leg is on rack B8, and this setting has increased the stability when showing piece 1 altitude mixture control.

Wherein, driven gear 6's material is stainless steel, and driven gear 6's external diameter is 8cm, and this setting utilizes the corrosion resistance of stainless steel to improve the life of device.

The working principle is as follows: the utility model discloses in, the device can drive screw rod 11 through start-up driving motor 10 and rotate when using the show personnel, at this moment threaded connection nut 12 on screw rod 11 begins to slide, and drive rack A7 along with nut 12 is the syntropy motion, meshing connection is at the initiative gear 5 on rack A7 begins to drive dwang 4 and rotates afterwards, driven gear 6 that makes dwang 4 both ends fixed connection begins to rotate and drives the rack B8 upward movement of being connected with driven gear 6 meshing, thereby highly improving show piece 1, the problem of the unable sand table of adjusting when different exhibition halls show of show personnel highly and then influence the bandwagon effect has been solved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sand table for exhibitions and space environment design comprises a display block (1) and is characterized in that supporting legs (2) and four mounting blocks (3) are fixedly connected between the supporting legs (2) at the bottom four corners of the display block (1), a mounting cavity is formed in each mounting block (3), a rotating rod (4) is rotatably connected in the mounting cavity, a driving gear (5) is fixedly connected to each rotating rod (4), driven gears (6) are fixedly connected to the two ends of each rotating rod (4), a rack A (7) is connected to each driving gear (5) in a meshed mode, the rack A (7) is connected in the mounting cavity in a sliding mode, a fixed block (9) is fixedly connected to the bottom of each mounting block (3), a driving motor (10) is fixedly connected to one side of each fixed block (9), and a cavity is formed in each fixed block (9), the cavity is rotatably connected with a screw rod (11), one end of the screw rod (11) is in transmission connection with a transmission end of a driving motor (10), the screw rod (11) is in threaded connection with a nut (12), the top of the nut (12) is fixedly connected with the bottom of a rack A (7), limiting openings matched with the nut (12) are formed in the mounting block (3) and the fixing block (9), the two limiting openings are communicated, a connecting cavity is formed in the supporting leg (2), a rack B (8) is connected in the connecting cavity in a sliding manner, the top of the rack B (8) is fixedly connected with one side of the bottom of the display block (1), the rack B (8) is meshed with the driven gear (6), a connecting port matched with the driven gear (6) is formed in the mounting block (3), and a mounting port matched with the driven gear (6) is formed in the supporting leg (2), the connecting port is communicated with the mounting port.

2. The sand table for exhibitions and space environment design according to claim 1, wherein a protective cover (16) is fixedly connected to one side of the fixing block (9), and the protective cover (16) is sleeved on the driving motor (10).

3. The sand table for exhibitions and space environment design as claimed in claim 1, wherein a universal locking wheel (15) is fixedly connected to the bottom of each leg (2), and a hub of the universal locking wheel (15) is made of aluminum alloy.

4. The sand table for exhibitions and space environment design as claimed in claim 1, wherein a limiting rod (13) is fixedly connected in said fixing block (9), and a sliding opening adapted to said limiting rod (13) is formed in said nut (12).

5. The sand table for exhibitions and space environment design as claimed in claim 1, wherein a limiting block (14) is slidably connected to the leg (2), and one end of the limiting block (14) far away from the inner side wall of the leg (2) is fixedly connected to the rack B (8).

6. The sand table for exhibitions and space environment design according to claim 1, wherein the driven gear (6) is made of stainless steel, and the outer diameter of the driven gear (6) is 8 cm.