Sand table device for urban planning and design

Abstract

The utility model relates to a sand table device for urban planning and design, which belongs to the technical field of sand tables and comprises a box body, four universal wheels fixedly mounted at the bottom of the box body, an adjusting mechanism arranged on the box body and an adjusting assembly arranged on the box body. The adjusting mechanism comprises a rectangular through hole formed in the right side of the box body, a sleeve slidably connected to the interior of the rectangular through hole, supporting blocks fixedly connected to the front face and the back face of the sleeve, and a movable rod rotationally connected to the interior of the sleeve. According to the sand table device for urban planning and design, the adjusting mechanism is arranged, so that the sand table device has a height adjusting function, the effect of adjusting the height of the sand table body is achieved, people of different heights can conveniently observe and emulate, meanwhile, the sand table body can be conveniently retracted into the box body to be stored and protected, and the practicability is high. The sand table body is prevented from being damaged, the use of a user is facilitated, and the practicability of the sand table device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand tables, in particular to a sand table device for urban planning and design. Background Art

[0002] Urban planning is to standardize the development and construction of cities, study the future development of cities, the reasonable layout of cities and the comprehensive arrangement of various urban engineering constructions. It is a comprehensive deployment and the blueprint for the development of cities within a certain period. A sand table is a model made of sand, military chess and other materials piled up according to a certain scale relationship based on topographic maps, aerial photos or actual terrain.

[0003] For example, Chinese Patent CN216749074U discloses an urban planning sand table, which includes a sand table body, a first placement plate, a second placement plate and two support plates vertically arranged at the bottom ends of the first placement plate and the second placement plate. The first placement plate and the second placement plate are opposite and horizontally arranged. The sand table body is horizontally placed on the tops of the first placement plate and the second placement plate, and the sand table body is hinged to the top of the first placement plate. A limiting member for restricting the rotation of the sand table body along the hinge point between the sand table body and the first placement plate is provided on the first placement plate. The first placement plate and the second placement plate are connected by a telescopic member. However, this sand table does not have the function of height adjustment, resulting in relatively poor practicability when observing for people with relatively low height, reducing the practicability of the sand table. Therefore, a sand table device for urban planning and design is proposed to solve the above-mentioned problems. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a sand table device for urban planning and design, which has the advantages of height adjustment and solves the problems that the sand table does not have the function of height adjustment, resulting in relatively poor practicability when observing for people with relatively low height and reducing the practicability of the sand table.

[0005] To achieve the above object, the utility model provides the following technical solution: A sand table device for urban planning and design, including a box body, four universal wheels fixedly installed at the bottom of the box body, an adjusting mechanism arranged on the box body, and an adjusting component arranged on the box body;

[0006] The adjusting mechanism includes a rectangular through hole opened on the right side of the box body, a sleeve slidably connected inside the rectangular through hole, support blocks fixedly connected to the front and back of the sleeve, a movable rod rotatably connected inside the sleeve, a first gear fixedly connected to the left side of the movable rod, a bidirectional screw rod rotatably connected between the left and right inner walls of the box body, two threaded blocks threadedly connected to the outside of the bidirectional screw rod, a first U-shaped frame fixedly connected to the tops of the two threaded blocks, a connecting rod hinged inside the two first U-shaped frames, a second U-shaped frame hinged to one end of the two connecting rods, a sand table body fixedly connected to the tops of the two second U-shaped frames, sliders fixedly connected to the left and right sides of the sand table body, and a second gear fixedly connected to the outside of the bidirectional screw rod and meshing with the first gear.

[0007] By adopting the above technical solution, the effect of adjusting the height of the sand table body is achieved, so as to facilitate people of different heights to observe, and at the same time, it is convenient to shrink the sand table body into the box body for storage and protection, avoiding damage to the sand table body.

[0008] Furthermore, the adjusting component includes a worm rotatably connected between the left and right inner walls of the box body, a third gear fixedly connected to the outside of the worm and meshing with the first gear, a threaded rod rotatably connected to the inner bottom wall of the box body, a worm gear fixedly connected to the outside of the threaded rod and meshing with the worm, a movable plate threadedly connected to the outside of the threaded rod, four positioning rods fixedly connected to the bottom of the movable plate, and a positioning plate fixedly connected to the bottoms of the four positioning rods.

[0009] By adopting the above technical solution, the effect of adjusting the height of the positioning plate is achieved, so as to conveniently adjust the height of the positioning plate to contact the ground for limiting and fixing the box body, avoiding the box body from shifting, and further facilitating the display of the sand table body.

[0010] Furthermore, a cover body is hinged to the top of the box body, and a buckle is arranged on the right sides of the box body and the cover body.

[0011] By adopting the above technical solution, it is convenient to store and protect the sand table body.

[0012] Furthermore, a support groove is opened on the box body, and the outside of the support block is slidably connected to the inside of the support groove.

[0013] By adopting the above technical solution, by setting the support block and the support groove, the stability of the sleeve during movement is increased.

[0014] Furthermore, sliding grooves are opened on both the left and right sides of the inner wall of the box body, and the outside of the slider is slidably connected to the inside of the sliding groove.

[0015] By adopting the above technical solution, the sand table body is limited and supported, and the stability of the sand table body during movement is increased.

[0016] Furthermore, a support plate is fixedly connected between the front inner wall and the back inner wall of the box body, and the bottom of the support plate is rotatably connected to the top of the threaded rod.

[0017] By adopting the above technical solution, the threaded rod is limited and supported, and the stability of the threaded rod during rotation is increased.

[0018] Furthermore, a sliding through hole is formed in the bottom of the box body, and the inside of the sliding through hole is slidably connected to the outside of the positioning rod.

[0019] By adopting the above technical solution, the stability of the positioning plate during movement is increased.

[0020] Furthermore, an anti-slip pad is fixedly connected to the bottom of the positioning plate.

[0021] By adopting the above technical solution, the stability of the positioning plate during limit fixing is increased, and further the stability of the box body during use is increased.

[0022] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0023] 1. For the sand table device for urban planning and design, by setting the adjusting mechanism, the sand table device has the function of height adjustment, achieving the effect of adjusting the height of the sand table body, so as to facilitate people of different heights to observe, and at the same time, it is convenient to contract the sand table body into the interior of the box body for storage and protection, avoiding damage to the sand table body, facilitating the use of the user, and increasing the practicability of the sand table device.

[0024] 2. For the sand table device for urban planning and design, by setting the adjusting component, the sand table device has the function of height adjustment, achieving the effect of adjusting the height of the positioning plate, so as to facilitate adjusting the height of the positioning plate to contact the ground to limit and fix the box body, avoiding the box body from shifting, and further facilitating the display of the sand table body, facilitating the use of the user, and improving the practicability of the sand table device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of the present utility model;

[0026] Figure 2 is a schematic structural diagram of the rectangular through hole of the present utility model;

[0027] Figure 3 is a schematic structural diagram of the sleeve of the present utility model.

[0028] In the figure: 1. Box body; 2. Universal wheels; 3. Rectangular through-hole; 4. Sleeve; 5. Support block; 6. Movable rod; 7. First gear; 8. Bidirectional screw; 9. Threaded block; 10. First U-shaped frame; 11. Connecting rod; 12. Second U-shaped frame; 13. Sand table body; 14. Slide block; 15. Second gear; 16. Worm; 17. Third gear; 18. Threaded rod; 19. Worm gear; 20. Movable plate; 21. Positioning rod; 22. Positioning plate. Detailed implementation mode

[0029] Please refer to Figures 1-3 , a sand table device for urban planning and design in this embodiment, is characterized in that: it includes a box body 1, four universal wheels 2 fixedly installed at the bottom of the box body 1, an adjusting mechanism arranged on the box body 1, an adjusting component arranged on the box body 1, a cover body is hinged at the top of the box body 1, a buckle is arranged on the right side of the box body 1 and the cover body, and a support groove is opened on the box body 1.

[0030] It should be noted that the box body 1 can be conveniently moved by setting the universal wheels 2.

[0031] Please refer to Figures 1-3 , in this embodiment, the adjusting mechanism includes a rectangular through-hole 3 opened on the right side of the box body 1, a sleeve 4 slidably connected inside the rectangular through-hole 3, support blocks 5 fixedly connected to the front and back of the sleeve 4, a movable rod 6 rotatably connected inside the sleeve 4, a first gear 7 fixedly connected to the left side of the movable rod 6, a bidirectional screw 8 rotatably connected between the left and right inner walls of the box body 1, two threaded blocks 9 threadedly connected to the outside of the bidirectional screw 8, a first U-shaped frame 10 fixedly connected to the tops of the two threaded blocks 9, a connecting rod 11 hinged inside the two first U-shaped frames 10, a second U-shaped frame 12 hinged to one end of the two connecting rods 11, a sand table body 13 fixedly connected to the tops of the two second U-shaped frames 12, slide blocks 14 fixedly connected to the left and right sides of the sand table body 13, and a second gear 15 fixedly connected to the outside of the bidirectional screw 8 and meshing with the first gear 7, and the inside of the support groove is slidably connected to the outside of the support block 5.

[0032] It should be noted that the effect of adjusting the height of the sand table body 13 is achieved, so as to facilitate people of different heights to observe, and at the same time, it is convenient to shrink the sand table body 13 into the box body 1 for storage and protection, avoiding damage to the sand table body 13.

[0033] Please refer to Figures 1-3, in this embodiment, the adjusting assembly includes a worm 16 rotatably connected between the left and right inner walls of the box body 1, a third gear 17 fixedly connected to the outer side of the worm 16 and meshing with the first gear 7, a threaded rod 18 rotatably connected to the inner bottom wall of the box body 1, a worm gear 19 fixedly connected to the outer side of the threaded rod 18 and meshing with the worm 16, a movable plate 20 threadedly connected to the outer side of the threaded rod 18, four positioning rods 21 fixedly connected to the bottom of the movable plate 20, and a positioning plate 22 fixedly connected to the bottoms of the four positioning rods 21. Sliding grooves are formed on both the left and right sides of the inner wall of the box body 1, and the outer side of the slider 14 is slidably connected to the inside of the sliding groove. A support plate is fixedly connected between the front inner wall and the rear inner wall of the box body 1, and the bottom of the support plate is rotatably connected to the top of the threaded rod 18. A sliding through hole is formed in the bottom of the box body 1, and the outer side of the positioning rod 21 is slidably connected to the inside of the sliding through hole. An anti-slip pad is fixedly connected to the bottom of the positioning plate 22.

[0034] It should be noted that the effect of adjusting the height of the positioning plate 22 is achieved, so as to conveniently adjust the height of the positioning plate 22 to contact the ground to limit and fix the box body 1, prevent the box body 1 from shifting, and thus facilitate the display of the sand table body 13.

[0035] The working principle of the above embodiment is as follows:

[0036] 1) When in use, the box body 1 is moved by setting the universal wheels 2. After moving to the required position, the sleeve 4 is pressed downwards. By setting the support block 5 and the support groove, the stability of the movement of the sleeve 4 is increased, so that the movable rod 6 and the first gear 7 move downwards, making the first gear 7 mesh with the third gear 17. Rotate the movable rod 6, the movable rod 6 drives the first gear 7 to rotate, the first gear 7 drives the third gear 17 to rotate, the third gear 17 drives the worm 16 to rotate, the worm 16 drives the worm gear 19 to rotate, the worm gear 19 drives the threaded rod 18 to rotate, the threaded rod 18 drives the movable plate 20 to move downwards, the movable plate 20 drives the positioning rods 21 and the positioning plate 22 to move downwards to contact the ground. By setting the anti-slip pad, the stability of the positioning plate 22 during limiting and fixing is increased, and thus the stability of the box body 1 during use is increased.

[0037] 2) Open the cover body through the buckle, slide the sleeve 4 upward, the sleeve 4 drives the movable rod 6 and the first gear 7 to move upward, so that the first gear 7 meshes with the second gear 15, rotate the movable rod 6, the movable rod 6 drives the first gear 7 to rotate, the first gear 7 drives the second gear 15 to rotate, the second gear 15 drives the bidirectional screw 8 to rotate, the bidirectional screw 8 drives the two threaded blocks 9 to move relatively, by setting the first U-shaped frame 10, the connecting rod 11 and the second U-shaped frame 12, the sand table body 13 moves upward, by setting the slider 14 and the chute, the sand table body 13 is limited and supported, increasing the stability of the sand table body 13 during movement, thus facilitating people of different heights to observe, and at the same time facilitating the sand table body 13 to be retracted into the interior of the box for storage and protection, avoiding damage to the sand table body 13, facilitating the use of the user, and increasing the practicability of the sand table device.

Claims

1. A sand table device for urban planning and design, characterized in that: It comprises a box body (1), four universal wheels (2) fixedly mounted on the bottom of the box body (1), an adjustment mechanism arranged on the box body (1), and an adjustment component arranged on the box body (1); The adjustment mechanism comprises a rectangular through hole (3) opened on the right side of the box body (1), a sleeve (4) slidably connected to the inside of the rectangular through hole (3), a support block (5) fixedly connected to the front and back sides of the sleeve (4), a movable rod (6) rotatably connected to the inside of the sleeve (4), a first gear (7) fixedly connected to the left side of the movable rod (6), a bidirectional screw (8) rotatably connected between the left and right sides of the inner wall of the box body (1), two threaded blocks (9) threadedly connected to the outside of the bidirectional screw (8), A No. 1 U-shaped frame (10) fixedly connected to the tops of the two threaded blocks (9), a connecting rod (11) hinged inside the two No. 1 U-shaped frames (10), a No. 2 U-shaped frame (12) hinged to one end of the two connecting rods (11), a sand table body (13) fixedly connected to the tops of the two No. 2 U-shaped frames (12), a slider (14) fixedly connected to the left and right sides of the sand table body (13), and a No. 2 gear (15) fixedly connected to the outside of the bidirectional screw (8) and meshing with the No. 1 gear (7).

2. The sand table device for urban planning and design according to claim 1, characterized in that: The adjustment assembly comprises a worm (16) rotatably connected between left and right sides of the inner wall of the box body (1), a third gear (17) fixedly connected to the outer side of the worm (16) and meshing with the first gear (7), a threaded rod (18) rotatably connected to the inner bottom wall of the box body (1), a worm wheel (19) fixedly connected to the outer side of the threaded rod (18) and meshing with the worm (16), a movable plate (20) threadedly connected to the outer side of the threaded rod (18), four positioning rods (21) fixedly connected to the bottom of the movable plate (20), and a positioning plate (22) fixedly connected to the bottom of the four positioning rods (21).

3. The sand table device for urban planning and design according to claim 1, characterized in that: The top of the box body (1) is connected to a cover body, and buckles are provided on the right sides of the box body (1) and the cover body.

4. The sand table device for urban planning and design according to claim 1, characterized in that: The box body (1) is provided with a support groove, and the interior of the support groove is slidably connected to the exterior of the support block (5).

5. The sand table device for urban planning and design according to claim 1, characterized in that: Slide grooves are provided on both left and right sides of the inner wall of the box body (1), and the interior of the slide groove is slidably connected to the outer side of the slide block (14).

6. The sand table device for urban planning and design according to claim 2, characterized in that: A support plate is fixedly connected between the front inner wall and the back inner wall of the box body (1), and the bottom of the support plate is rotatably connected to the top of the threaded rod (18).

7. The sand table device for urban planning and design according to claim 2, characterized in that: A sliding through hole is provided at the bottom of the box body (1), and the interior of the sliding through hole is slidably connected to the exterior of the positioning rod (21).

8. The sand table device for urban planning and design according to claim 2, characterized in that: An anti-slip pad is fixedly connected to the bottom of the positioning plate (22).

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