CN115223437A

CN115223437A - City planning overall arrangement sand table display device

Info

Publication number: CN115223437A
Application number: CN202211067052.1A
Authority: CN
Inventors: 范红亮
Original assignee: Jinan Brilliant Art Model Co ltd
Current assignee: Jinan Brilliant Art Model Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-10-21
Anticipated expiration: 2042-09-01
Also published as: CN115223437B

Abstract

The invention relates to an indicating device of variable information, in particular to a sand table display device for urban planning layout. The invention aims to provide a sand table display device with an urban planning layout, which can be adjusted in height and folded. The invention provides a sand table display device for urban planning layout, which comprises a threaded rod, a display mechanism, a limiting mechanism and the like, wherein the display mechanism is arranged on the threaded rod and used for displaying the urban planning layout, the limiting mechanism is arranged on the display mechanism and used for controlling the display mechanism to be folded and unfolded, and the occupied space can be reduced when the display mechanism is folded. According to the invention, the supporting sleeves are sequentially pulled upwards to be unfolded, so that the display sand table can be driven to move upwards, and then the supporting sleeves are sequentially rotated to drive the display sand table to rotate, so that the display sand tables are overlapped in the vertical direction, therefore, the occupied space of the display device can be reduced, and people can conveniently carry the display device.

Description

City planning overall arrangement sand table display device

Technical Field

The invention relates to a display device of variable information, in particular to a sand table display device of urban planning layout.

Background

The urban sand table represents urban features and planning physical signs in a micro-entity mode, represents streets, buildings, roads and other objects in a model, and mainly shows urban planning layout, so that people can know macroscopic objects from a microscopic angle.

But current sand table model is bulky, occupation space is great, when needs remove or carry, comparatively trouble, inconvenient transport, some sand table models though can dismantle, but the dismantlement process is also more complicated, the degree of difficulty is great, still need consume a large amount of time after the dismantlement is accomplished and assemble, consuming time and difficultly, work efficiency is lower, and most of sand table models are generally placed on fixed height's support, to the crowd of different heights, the height of sand table model is difficult to adjust, it is relatively poor to watch the effect.

In summary, there is a need for a sand table display device with adjustable height and foldable and expandable city planning layout, which is used to solve the above problems.

Disclosure of Invention

In order to overcome the defects that the height of the existing sand table model is generally difficult to adjust, the size of the sand table model is large, the occupied space is large, and the sand table model is inconvenient to carry, the invention aims to provide the urban planning layout sand table display device which can adjust the height and can be folded and unfolded.

The invention is realized by the following technical approaches:

the utility model provides a city planning overall arrangement sand table display device, including supporting shell and supporting legs, supporting shell outer wall is connected with three supporting legs, still including the threaded rod, the nut, the runner, show mechanism and stop gear, slidingtype connection has the threaded rod that is used for adjusting city planning overall arrangement sand table display device's height in the supporting shell, be connected with the nut through the bearing on the supporting shell, the nut is connected with threaded rod thread formula, be connected with the runner on the nut, be equipped with show mechanism on the threaded rod, show mechanism is used for showing city planning overall arrangement, be equipped with stop gear in the show mechanism, stop gear is used for controlling show mechanism and receive and releases, can reduce occupation space when show mechanism receives.

In one embodiment, the display mechanism comprises a supporting sleeve, a mounting seat and a display sand table, a plurality of supporting sleeves are arranged above the threaded rod and are arranged in a vertical parallel mode, the supporting sleeve at the lowest side is connected with the threaded rod in a sliding mode, two adjacent supporting sleeves are connected with each other in a sliding mode, one side of each supporting sleeve is connected with the mounting seat, one side of the threaded rod is also connected with the mounting seat, and the display sand table used for displaying the urban planning layout is detachably mounted on the mounting seat.

In one of them embodiment, stop gear is including sliding guide, stopper and first magnet, and one side of support sleeve all is connected with sliding guide, and the top of support sleeve all is connected with the stopper, and one side that the support sleeve is close to sliding guide all is connected with first magnet, and sliding guide is held to first magnet, all opens in the support sleeve with sliding guide complex spout, all open on the support sleeve with stopper complex draw-in groove.

In one embodiment, the one-way speed reducing device further comprises a one-way speed reducing mechanism used for reducing the downward movement speed of the supporting sleeve, the one-way speed reducing mechanism comprises a first mounting cylinder, a second mounting cylinder, an elastic part, an air bag and a friction strip, the bottom of the supporting sleeve is connected with the first mounting cylinder, the first mounting cylinder is connected with the second mounting cylinder in a sliding mode, the second mounting cylinder at the lowest side is in contact with the inner wall of the threaded rod, the rest second mounting cylinders are in contact with the inner wall of the adjacent supporting sleeve, the elastic part is connected between the first mounting cylinder and the second mounting cylinder, the air bag is connected between the first mounting cylinder and the second mounting cylinder, the elastic part is located on the inner side of the air bag, the friction strip is uniformly connected to the outer wall of the air bag at intervals, at least one air hole is formed in each second mounting cylinder, the friction strip can be driven to move outwards to be in contact with the inner wall of the adjacent supporting sleeve when the air bag expands, and the downward movement speed of the supporting sleeve is reduced through friction force.

In one embodiment, the sand screening device further comprises a sealing mechanism for blocking a gap between two adjacent sand screening display tables, the sealing mechanism comprises an elastic sheet, a sealing plate, a second magnet, an iron block and a third magnet, the elastic sheet is connected to one side of the top of each sand screening display table, the sealing plate is connected to the elastic sheet, the sealing plate rotates downwards to block the gap between the two adjacent sand screening display tables, the second magnet is connected to one side, close to the sealing plate, of the top of each sand screening display table, the iron block is connected to one side, close to the second magnet, of the sealing plate, the iron block is attracted by the second magnet, and the third magnet is connected to one side, far away from the sealing plate, of each sand screening display table.

In one embodiment, the diameters of the plurality of support sleeves decrease from bottom to top.

In one embodiment, the magnetic force of the third magnet is greater than the magnetic force of the second magnet.

In one embodiment, the support legs are triangularly shaped.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the supporting sleeves are sequentially pulled upwards to be unfolded, so that the display sand table can be driven to move upwards, and then the supporting sleeves are sequentially rotated to drive the display sand table to rotate, so that the display sand tables are overlapped in the vertical direction, therefore, the occupied space of the display device can be reduced, and people can conveniently carry the display device.

2. The invention can drive the threaded rod to move up and down through rotating the rotating wheel forwards and backwards, and drive the display sand table to move up and down, thereby achieving the purpose of adjusting the height of the display sand table.

3. According to the invention, through the matching of the first mounting cylinder and the second mounting cylinder, the air bag can be expanded when the supporting sleeve moves downwards, the air bag drives the friction strip to move outwards to be respectively contacted with the inner wall of the threaded rod and the inner wall of the supporting sleeve, the downward movement speed of the supporting sleeve can be slowed down under the action of friction force, and the damage of the display sand table caused by the excessively high downward movement speed can be avoided.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention in operation.

Fig. 3 is a schematic perspective view of the threaded rod, nut and wheel of the present invention.

Fig. 4 is a partial cross-sectional structural schematic view of the display mechanism of the present invention.

Fig. 5 is a schematic perspective view showing the sand table and the sealing mechanism of the present invention.

Fig. 6 is a perspective view of the support sleeve and the first magnet of the present invention.

Fig. 7 is a schematic perspective view of the components such as the sliding guide rod and the limiting block of the present invention.

FIG. 8 is a partial perspective view of another aspect of the support sleeve of the present invention.

Fig. 9 is a schematic perspective view of the one-way reduction mechanism of the present invention.

Fig. 10 is a partial perspective view of the sealing mechanism of the present invention.

Fig. 11 is a schematic perspective view showing the sand table and the third magnet.

Fig. 12 is a schematic perspective view of the sealing mechanism of the present invention.

Labeled as: 1_ support shell, 2_ support leg, 3_ threaded rod, 4_ nut, 5_ rotating wheel, 6_ display mechanism, 61_ support sleeve, 62_ mounting seat, 63_ display sand table, 7_ limiting mechanism, 71_ sliding guide rod, 72_ limiting block, 73_ first magnet, 74_ sliding chute, 75_ clamping groove, 8_ one-way speed reducing mechanism, 81_ first mounting cylinder, 82_ second mounting cylinder, 83_ elastic piece, 84_ air bag, 85_ friction strip, 86_ air hole, 9_ sealing mechanism, 91_ elastic piece, 92_ sealing plate, 93_ second magnet, 94_ iron block and 95_ third magnet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.

Example 1

The utility model provides a city planning overall arrangement sand table display device, refer to fig. 1-8, including supporting shell 1, supporting legs 2, the threaded rod 3, the nut 4, runner 5, show mechanism 6 and stop gear 7, supporting shell 1 outer wall welding has three supporting legs 2, as shown in fig. 1, supporting legs 2 are triangular distribution, supporting shell 1 internal sliding type is connected with threaded rod 3, supporting shell 1 top is connected with nut 4 through the bearing, nut 4 and 3 threaded connection of threaded rod, the outer wall connection of nut 4 has runner 5, positive and negative rotation runner 5, can drive threaded rod 3 and reciprocate, reach the purpose of adjusting this display device's height, be equipped with show mechanism 6 on the threaded rod 3, be equipped with stop gear 7 on the show mechanism 6.

Referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, show mechanism 6 is including supporting sleeve 61, mount pad 62 and show sand table 63, 3 tops of threaded rod are provided with a plurality of supporting sleeve 61, be vertical parallel arrangement, 3 sliding connection of supporting sleeve 61 and threaded rod of downside, two adjacent supporting sleeve 61 mutual sliding connection, the diameter of a plurality of supporting sleeve 61 reduces from supreme down in proper order, mount pad 62 has all been welded on the right side upper portion of supporting sleeve 61, the right side upper portion of threaded rod 3 also is connected with mount pad 62, detachable show sand table 63 of installing on the mount pad 62, show sand table 63 is used for showing city planning overall arrangement, can reduce occupation space after showing sand table 63 packs up, convenient transport.

Referring to fig. 1, 4, 6, 7 and 8, the limiting mechanism 7 includes a sliding guide rod 71, a limiting block 72 and a first magnet 73, the sliding guide rod 71 is connected to the right side of the supporting sleeve 61, the limiting block 72 is welded to the top of the supporting sleeve 61, the first magnet 73 is connected to the upper portion of the inner side of the supporting sleeve 61, the sliding guide rod 71 is attracted by the first magnet 73, sliding grooves 74 matched with the sliding guide rod 71 are formed in the inner side of the supporting sleeve 61, and clamping grooves 75 matched with the limiting block 72 are formed in the upper portion of the supporting sleeve 61.

When the display device needs to be used, the display device is firstly placed at a designated position, then the supporting sleeve 61 is sequentially rotated to drive the mounting seat 62, the display sand table 63 and the sliding guide rod 71 to rotate, so that the first magnet 73 no longer attracts the sliding guide rod 71, the limiting block 72 can limit the sliding guide rod 71, the supporting sleeve 61 and the sliding guide rod 71 are prevented from rotating over the head, when the sliding guide rod 71 is aligned with the adjacent sliding groove 74, under the action of gravity, the supporting sleeve 61 moves downwards to drive the mounting seat 62, the display sand table 63 and the sliding guide rod 71 to move downwards, the sliding groove 74 guides the sliding guide rod 71, so that the plurality of supporting sleeves 61 are folded, the limiting block 72 can be clamped into the adjacent clamping grooves 75, the supporting sleeve 61 is prevented from being jacked up by the limiting block 72, as shown in fig. 2, the plurality of display sand tables 63 can be at the same horizontal height, and people can use the display device as required, the specific number of the display sand tables 63 are controlled to be combined and displayed, so that the urban planning layout can be comprehensively displayed for people, when the height of the display sand tables 63 needs to be adjusted, the rotating wheels 5 can be rotated forwards and backwards to drive the nuts 4 to rotate forwards and backwards, the nuts 4 drive the threaded rods 3 to move up and down, so that the display sand tables 63 can be driven to move up and down, the purpose of adjusting the height of the display sand tables 63 is achieved, after the adjustment is completed, the rotating wheels 5 are stopped to rotate, when the display device needs to be moved, the supporting sleeves 61 can be pulled upwards to reset in sequence, so that the supporting sleeves 61 are unfolded, the supporting sleeves 61 drive the mounting seats 62, the display sand tables 63 and the sliding guide rods 71 to move upwards to reset, so that the display sand tables 63 are no longer at the same horizontal height, the sliding guide rods 71 can be separated from the sliding grooves 74, the limiting blocks 72 can be separated from the clamping grooves 75, and then the supporting sleeves 61 are rotated backwards in sequence, drive mount pad 62, show sand table 63 and the reversal of slide guide 71 resets, stopper 72 can carry on spacingly to slide guide 71, when slide guide 71 aligns with adjacent first magnet 73, slide guide 71 can be held to first magnet 73, thereby can fix slide guide 71 and support sleeve 61's position, as shown in fig. 1, can make a plurality of show sand tables 63 accomplish the coincidence in the vertical direction, thereby can reduce this display device's occupation space, make things convenient for people to carry this display device.

Example 2

On the basis of embodiment 1, referring to fig. 4 and 9, the one-way reduction mechanism 8 is further included, the one-way reduction mechanism 8 includes a first mounting cylinder 81, a second mounting cylinder 82, an elastic member 83, an air bag 84 and a friction strip 85, the first mounting cylinder 81 is welded at the bottom of the support sleeve 61, the second mounting cylinder 82 is connected to the lower portion of the first mounting cylinder 81 in a sliding manner, the second mounting cylinder 82 at the lowest side is in contact with the inner wall of the threaded rod 3, the rest of the second mounting cylinders 82 are in contact with the inner wall of the adjacent support sleeve 61, the elastic member 83 is connected between the first mounting cylinder 81 and the second mounting cylinder 82, the elastic member 83 is a compression spring, the air bag 84 is connected between the first mounting cylinder 81 and the second mounting cylinder 82, the elastic member 83 is located inside the air bag 84, the outer wall of the air bag 84 is connected with the friction strips 85 at uniform intervals, when the air bag 84 expands, the friction strips 85 are driven to move outwards to be in contact with the inner wall of the support sleeve 3 and the inner wall of the support sleeve 61, the support sleeve 61 can slow down, and the speed of the support sleeve 61 can be slowed down under the effect of friction force, and the threaded rod 82 is provided with two air holes 86.

When the supporting sleeve 61 moves down, the first mounting cylinder 81 can be driven to move down, under the action of friction force, the second mounting cylinder 82 cannot move down temporarily, the elastic piece 83 is compressed, the first mounting cylinder 81 can extrude the air inside the second mounting cylinder 82, as shown in fig. 9, the air in the second mounting cylinder 82 can be discharged out to the air bag 84 through the air hole 86, so that the air bag 84 expands, the air bag 84 drives the outer side movement of the strip 85 to be respectively contacted with the inner wall of the threaded rod 3 and the inner wall of the supporting sleeve 61, then the first mounting cylinder 81 can drive the second mounting cylinder 82 to move down, under the action of friction force, the speed of the downward movement of the supporting sleeve 61 can be reduced, the phenomenon that the display sand table 63 is damaged due to the fact that the downward movement speed is too fast is avoided, when the supporting sleeve 61 moves up, the first mounting cylinder 81 can be driven to move up, under the action of friction force, the second mounting cylinder 82 cannot move up temporarily, the elastic piece 83 recovers to the original state, under the action of atmospheric pressure, the air in the air bag 84 enters the air bag 84, the air bag can not be pulled to move back to the adjacent supporting sleeve 61, thereby the friction force can not be reduced to the original state, the supporting sleeve 85, and the adjacent supporting sleeve 85 can be reduced.

Referring to fig. 1, fig. 2, fig. 5, fig. 10, fig. 11 and fig. 12, the sand display device further includes a sealing mechanism 9, the sealing mechanism 9 includes an elastic sheet 91, a sealing plate 92, a second magnet 93, an iron block 94 and a third magnet 95, the elastic sheet 91 is connected to the front side of the top of the sand display table 63, the sealing plate 92 is connected to the elastic sheet 91, the second magnet 93 is connected to the front side of the right side of the top of the sand display table 63, the iron block 94 is connected to the right side of the rear side of the sealing plate 92, the iron block 94 is attracted by the second magnet 93, the third magnet 95 is connected to the rear side of the sand display table 63, the magnetic force of the third magnet 95 is greater than that of the second magnet 93, when the third magnet 95 moves downward, the iron block 94 can be attracted, and the iron block 94 and the sealing plate 92 are driven to rotate downward, so that the sealing plate 92 blocks a gap between two sand display tables 63.

When the display sand table 63 moves downwards, the third magnet 95 is driven to move downwards, when the third magnet 95 is close to the sealing plate 92 on another display sand table 63, the third magnet can attract the iron blocks 94 on the sealing plate 92, the sealing plate 92 and the iron blocks 94 are driven to rotate downwards, the elastic sheet 91 deforms, the iron blocks 94 are separated from the second magnet 93, when the two display sand tables 63 are located at the same horizontal height, the sealing plate 92 can block gaps between the two display sand tables 63, articles are prevented from dropping into the gaps between the two display sand tables 63, when the display sand tables 63 move upwards, the third magnet 95 is driven to move upwards, the third magnet 95 extrudes the sealing plate 92 and the iron blocks 94 to rotate upwards to reset, the elastic sheet 91 is restored to the original state, then the third magnet 95 is far away from the sealing plate 92, the second magnet 93 can attract the iron blocks 94 again, and the position of the sealing plate 92 is fixed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a city planning overall arrangement sand table display device, including supporting shell (1) and supporting legs (2), it has three supporting legs (2) to support shell (1) outer wall connection, a serial communication port, still including threaded rod (3), nut (4), runner (5), show mechanism (6) and stop gear (7), it has threaded rod (3) that are used for adjusting city planning overall arrangement sand table display device to support shell (1) internal sliding type to be connected with, be connected with nut (4) through the bearing on supporting shell (1), nut (4) are connected with threaded rod (3) screw thread formula, be connected with runner (5) on nut (4), be equipped with show mechanism (6) on threaded rod (3), show mechanism (6) are used for showing city planning overall arrangement, be equipped with stop gear (7) on show mechanism (6), stop gear (7) are used for controlling show mechanism (6) to receive and release, can reduce occupation space when show mechanism (6) are packed up.

2. The city planning layout sand table display device according to claim 1, wherein the display mechanism (6) comprises a plurality of support sleeves (61), a mounting seat (62) and a display sand table (63), the support sleeves (61) are arranged above the threaded rod (3), the support sleeves (61) are arranged vertically and parallelly, the support sleeve (61) at the lowest side is connected with the threaded rod (3) in a sliding manner, two adjacent support sleeves (61) are connected with each other in a sliding manner, the mounting seat (62) is connected to one side of each support sleeve (61), the mounting seat (62) is connected to one side of each threaded rod (3), and the display sand table (63) for displaying the city planning layout is detachably mounted on each mounting seat (62).

3. The sand table display device for the urban planning layout according to claim 2, wherein the limiting mechanism (7) comprises a sliding guide rod (71), limiting blocks (72) and first magnets (73), the sliding guide rod (71) is connected to one side of the supporting sleeve (61), the limiting blocks (72) are connected to the top of the supporting sleeve (61), the first magnets (73) are connected to one side, close to the sliding guide rod (71), of the supporting sleeve (61), the sliding guide rod (71) is attracted by the first magnets (73), sliding grooves (74) matched with the sliding guide rod (71) are formed in the supporting sleeve (61), and clamping grooves (75) matched with the limiting blocks (72) are formed in the supporting sleeve (61).

4. The sand table display device for urban planning layout according to claim 3, further comprising a one-way decelerating mechanism (8) for decelerating the downward movement speed of the supporting sleeve (61), wherein the one-way decelerating mechanism (8) comprises a first mounting cylinder (81), a second mounting cylinder (82), an elastic member (83), an air bag (84) and a friction strip (85), the bottom of the supporting sleeve (61) is connected with the first mounting cylinder (81), the first mounting cylinder (81) is connected with the second mounting cylinder (82) in a sliding manner, the second mounting cylinder (82) at the lowest side is in contact with the inner wall of the threaded rod (3), all with adjacent support sleeve (61) inner wall contact in remaining second installation section of thick bamboo (82), be connected with elastic component (83) between first installation section of thick bamboo (81) and the second installation section of thick bamboo (82), be connected with gasbag (84) between first installation section of thick bamboo (81) and the second installation section of thick bamboo (82), elastic component (83) are located gasbag (84) inboardly, the equal interval homogeneous coupling of outer wall of gasbag (84) has friction strip (85), all open at least one gas pocket (86) on the second installation section of thick bamboo (82), can drive friction strip (85) during gasbag (84) inflation and move towards the outside and contact with adjacent support sleeve (61) inner wall, reduce the speed of slowing down motion of support sleeve (61) through frictional force.

5. The city planning layout sand table display device according to claim 4, further comprising a sealing mechanism (9) for blocking a gap between two adjacent display sand tables (63), wherein the sealing mechanism (9) comprises an elastic sheet (91), a sealing plate (92), a second magnet (93), an iron block (94) and a third magnet (95), the elastic sheet (91) is connected to one side of the top of each display sand table (63), the sealing plate (92) is connected to each elastic sheet (91), the sealing plate (92) rotates downwards to block the gap between two adjacent display sand tables (63), the second magnet (93) is connected to one side, close to the sealing plate (92), of the top of each display sand table (63), the iron block (94) is connected to one side, close to the second magnet (93), the iron block (94) is attracted by the second magnet (93), and the third magnet (95) is connected to one side, far away from the sealing plate (92), of each display sand table (63).

6. An urban planning layout sand table display device according to claim 2, wherein the diameter of the plurality of supporting sleeves (61) decreases from bottom to top in sequence.

7. An urban planning layout sand table display device according to claim 5, wherein the magnetic force of the third magnet (95) is greater than the magnetic force of the second magnet (93).

8. An urban planning layout sand table display device according to claim 1, wherein the supporting feet (2) are distributed in a triangular shape.