CN215015710U - Adjustable city planning show stand - Google Patents

Abstract

The utility model discloses an adjustable city planning display stand, which comprises a rotary seat stand, upright posts and placing plates, wherein the top of the rotary seat stand is rotatably connected with the upright posts, four placing plates are arranged on the surface of the upright posts in a surrounding way, three groups of placing plates are arranged along the surface of the upright posts, four connecting rod mechanisms for connecting the placing plates with the upright posts are arranged at the bottoms of the placing plates, driving mechanisms for driving the four groups of placing plates to synchronously rotate and independently rotate are arranged at the joints of the connecting rod mechanisms and the upright posts, the driving mechanisms and the connecting rod mechanisms are in transmission connection, under the matching action of the connecting rod mechanisms and the driving mechanisms, the synchronous change of angles of the placing plates is realized, the time wasted by independent rotation is reduced, under the action of a detachable supporting mechanism, the supporting stability when a larger sand table is placed is realized, and the sand table can be detached in a detachable way when the large sand table is not required to be loaded, does not occupy area.

Description

Adjustable city planning show stand

Technical Field

The utility model relates to a city planning technical field specifically is an adjustable city planning show stand.

Background

The city planning is a long-term planning for city development, and the tourists can effectively refer to the prospect of city development by utilizing models and data to display the result of the city planning. The existing exhibition mode mainly adopts a single sand table to carry out model exhibition, and a tourist is difficult to quickly acquire other information, and the exhibition effect is not good.

Patent CN209574126U provides a show stand of adjustable overall arrangement for city planning, through the inclination of every show board of adjusting device adjustment, thereby rotate the double-screw bolt and utilize first solenoid and second solenoid to adjust the inclination of articulated slab, thereby be adapted to different exhibition needs, at first this kind of mode is adjusted comparatively loaded down with trivial details alone, and the wholeness is relatively poor, produce unstable phenomenon easily when laying great sand table, for this reason, we provide an adjustable city planning show stand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can divide into whole synchronous regulation and independent control's adjustable city planning show stand to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable city planning show stand, includes rotary seat platform, stand and places the board, the rotary seat platform top rotates and is connected with the stand, it places the board to surround four on the stand surface, four it establishes three groups altogether along the stand surface to place the board, four it all is equipped with the link mechanism who will place board and stand and be connected to place the board bottom, link mechanism and stand junction are equipped with and drive four groups and place the board and rotate in step and the actuating mechanism who rotates alone, actuating mechanism is connected for the transmission with link mechanism, and is adjacent it is equipped with the cooperation and places the board and constitute the detachable support mechanism of sand table to place board edge.

Preferably, link mechanism includes connecting plate, first even board and second even board, it is connected with two connecting plates to place board back top symmetry rotation, and the connecting plate is kept away from and is placed board one side and rotate through pivot and stand on the surface and be connected, it is located the connecting plate bottom symmetry rotation and is connected with two second even boards to place the board back, and the pillar surface is located connecting plate bottom symmetry rotation and is connected with two first even boards, the one end that the stand was kept away from to first board is even board with the second and is kept away from and place board one end and rotate through the pivot and be connected.

Preferably, actuating mechanism is including changeing handle, actuating lever, drive bevel gear, driven bevel gear and fixed cover, two one side of first even board and stand pivot junction is equipped with drive bevel gear, two the opposite side of first even board and stand pivot junction is equipped with driven bevel gear, the stand corresponds drive bevel gear and driven bevel gear's rigidity has fixed cover, and drive bevel gear and driven bevel gear all peg graft for rotating with fixed cover, drive bevel gear axle center department is fixed with the actuating lever, and the actuating lever other end is fixed with changes the handle, drive bevel gear is connected with the driven bevel gear meshing of adjacent one side.

Preferably, the surfaces of the driving bevel gear and the driven bevel gear, which are close to one end of the first connecting plate, are respectively fixed with a thread layer, the joint of the two first connecting plates and the upright post rotating shaft is rotatably connected with a driving shaft, the two ends of the driving shaft are slidably sleeved with meshing sleeves, the first connecting plates are fixedly connected with the driving shaft, and the meshing sleeves are meshed with the thread layers.

Preferably, can dismantle supporting mechanism includes grafting bearing, connecting rod, cardan shaft, folded sheet and support telescopic link, place the board four corners department and all install the cardan shaft, the inside all rotates of cardan shaft and is connected with the connecting rod, and is adjacent through the cardan shaft rotation connection between the connecting rod, it is adjacent place and be equipped with the folded sheet between board and the connecting rod, and the folded sheet with place the board side and the connecting rod and be the rotation and be connected, the stand side is fixed with the grafting bearing, and the inside rotation of grafting bearing is pegged graft and is had the support telescopic link, and supports the telescopic link other end and be connected the cardan shaft rotation grafting with two connecting rods.

Preferably, the connecting rod and the universal shaft, the supporting telescopic rod and the inserting bearing are movably inserted.

Preferably, guardrails are fixed on the surface of the outer ring of the top of the rotary seat platform, and the adjacent guardrails are connected through a separation rope.

Preferably, the stand internally mounted has a light emitting power supply, and the stand chooses transparent rigid plastic material to make for use.

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

the utility model discloses

Under the matching action of the connecting rod mechanism and the driving mechanism, when the driving bevel gear is connected with the driving shaft of the first connecting plate, the whole group of four placing plates are equivalent to an integral state, the rotating handle is rotated to drive the driving bevel gear to rotate and be meshed with the driven bevel gear, so that the four placing plates are unfolded and retracted simultaneously under the action of the connecting rod mechanism, under the action of the driving mechanism, the first connecting plate rotates clockwise, the second connecting plate extrudes the back of the placing plate to drive the rotating angle of the placing plate and is limited by the connecting plate, when the first connecting plate rotates anticlockwise, the second connecting plate and the first connecting plate rotate to form a folding phenomenon, the connecting plate rotates along with the placing plate, when the placing plates need to be controlled independently, the meshing sleeve is separated from being meshed with the thread layers on the surfaces of the driving bevel gear and the driven bevel gear, at the moment, the connectivity between the whole group of four placing plates is separated, and the single placing plate can be adjusted, the angle of the placing plate is synchronously changed, and the time wasted by independent rotation is reduced;

under the effect that can dismantle supporting mechanism, pass through the universal shaft with the connecting rod and connect, under actuating mechanism's effect, four boards of placing expand simultaneously, and the folding plate between the connecting rod rotates in step and expands, will support inside the telescopic link both ends insert the universal shaft between grafting bearing and two connecting rods respectively, realized the support stability when placing great sand table, the mode of accessible dismantlement is pulled down when need not bearing big sand table, does not take up an area.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the detachable supporting mechanism of the present invention;

FIG. 3 is a schematic structural view of the link mechanism of the present invention;

fig. 4 is a schematic view of a part of the driving mechanism of the present invention.

In the figure: 1. rotating the seat platform; 2. a guardrail; 3. a column; 4. placing the plate; 5. a link mechanism; 51. a connecting plate; 52. a first connecting plate; 53. a second connecting plate; 6. a detachable support mechanism; 61. inserting a bearing; 62. a connecting rod; 63. a cardan shaft; 64. folding the board; 65. supporting the telescopic rod; 7. a drive mechanism; 71. turning a handle; 72. a drive rod; 73. a drive bevel gear; 74. a driven bevel gear; 75. fixing a sleeve; 76. a threaded layer; 77. and (4) an engagement sleeve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an adjustable city planning display stand shown in the figure includes a rotary seat stand 1, an upright post 3 and a placing plate 4, the top of the rotary seat stand 1 is rotatably connected with the upright post 3, four placing plates 4 are arranged on the surface of the upright post 3 in an encircling manner, three groups of the four placing plates 4 are arranged along the surface of the upright post 3, the rotary seat stand 1 is the same as the existing rotatable display stand, a rotating device is arranged inside the rotary seat stand and drives the upright post 3 at the surface axis to rotate, so that the purpose of rotary display is achieved, and a single placing plate 4 can be used for placing a tiny sand table and also can prevent small objects such as pictures.

Referring to fig. 1 and 2, the bottom of each of the four placing plates 4 is provided with a link mechanism 5 for connecting the placing plate 4 with the column 3, the joint of the link mechanism 5 and the column 3 is provided with a driving mechanism 7 for driving the four placing plates 4 to synchronously rotate and independently rotate, the driving mechanism 7 is in transmission connection with the link mechanism 5, the corners of the adjacent placing plates 4 are provided with detachable supporting mechanisms 6 for matching the placing plates 4 to form a sand table, under the matching action of the link mechanisms 5 and the driving mechanisms 7, the synchronous change of the angles of the placing plates 4 is realized, the time wasted by independent rotation is reduced, under the action of the detachable supporting mechanisms 6, the supporting stability when a large sand table is placed is realized, and the sand table can be detached in a detachable manner without bearing a large sand table, so that the sand table does not occupy area.

Referring to fig. 3, the link mechanism 5 includes a connecting plate 51, a first connecting plate 52 and a second connecting plate 53, the top of the back of the placing plate 4 is symmetrically and rotatably connected with the two connecting plates 51, one side of the connecting plate 51 away from the placing plate 4 is rotatably connected with the surface of the upright post 3 through a rotating shaft, the back of the placing plate 4 is symmetrically and rotatably connected with the two second connecting plates 53 at the bottom of the connecting plate 51, the surface of the upright post is symmetrically and rotatably connected with the two first connecting plates 52 at the bottom of the connecting plate 51, one end of the first connecting plate 52 away from the upright post 3 is rotatably connected with one end of the second connecting plate 53 away from the placing plate 4 through a rotating shaft, under the action of the driving mechanism 7, the first connecting plate 52 rotates clockwise, the second connecting plate 53 extrudes the back of the placing plate 4 to drive the rotating angle of the placing plate 4, and is simultaneously limited by the connecting plate 51, when the first connecting plate 52 rotates counterclockwise, the second connecting plate 53 and the first connecting plate 52 rotates with the first connecting plate 52, the folding phenomenon is formed, and the connecting plate 51 rotates together with the placing plate 4.

Referring to fig. 3 and 4, the driving mechanism 7 includes a rotating handle 71, a driving rod 72, a driving bevel gear 73, a driven bevel gear 74 and a fixing sleeve 75, wherein the driving bevel gear 73 is disposed at one side of the connection between the two first connecting plates 52 and the rotation shaft of the column 3, the driven bevel gear 74 is disposed at the other side of the connection between the two first connecting plates 52 and the rotation shaft of the column 3, the fixing sleeve 75 is fixed at the position of the column 3 corresponding to the driving bevel gear 73 and the driven bevel gear 74, the driving bevel gear 73 and the driven bevel gear 74 are both rotatably inserted into the fixing sleeve 75, the driving rod 72 is fixed at the axis of the driving bevel gear 73, the rotating handle 71 is fixed at the other end of the driving rod 72, the driving bevel gear 73 is engaged with the driven bevel gear 74 at the adjacent side, and when the driving bevel gear 73 is connected with the driving shaft of the first connecting plate 52, the whole set of four placing plates 4 is equivalent to an integrated state, the rotating handle 71 is rotated, and the rotating handle 71 drives the driving bevel gear 73 to rotate to be meshed with the driven bevel gear 74, so that the four placing plates 4 are simultaneously unfolded and retracted under the action of the link mechanism 5.

Referring to fig. 4, the surfaces of the driving bevel gear 73 and the driven bevel gear 74 near the first link plates 52 are fixed with thread layers 76, the joints between the two first link plates 52 and the rotating shafts of the columns 3 are rotatably connected with driving shafts, and the two ends of the driving shafts are slidably sleeved with meshing sleeves 77, the first link plates 52 are fixedly connected with the driving shafts, the meshing sleeves 77 are meshed with the thread layers 76, when it is necessary to keep the four placing plates 4 moving synchronously, the meshing sleeves 77 are moved and connected with the meshing sleeves 77 of the thread layers 76 on the surfaces of the driving bevel gear 73 and the driven bevel gear 74, so that the driving bevel gear 73 and the driven bevel gear 74 are kept connected with the driving shafts of the first link plates 52, when the placing plates 4 need to be independently controlled, the meshing sleeves 77 are disengaged from the surface thread layers 76 of the driving bevel gear 73 and the driven bevel gear 74, and at this time, the connection between the whole set of the four placing plates 4 is cut off, the individual resting plates 4 can be adjusted.

Referring to fig. 1 and 2, the detachable supporting mechanism 6 includes a plug bearing 61, a connecting rod 62, a universal shaft 63, a folding plate 64 and a supporting telescopic rod 65, the universal shaft 63 is installed at four corners of the placing plate 4, the connecting rod 62 is rotatably connected inside the universal shaft 63, the adjacent connecting rods 62 are rotatably connected through the universal shaft 63, the folding plate 64 is arranged between the adjacent placing plate 4 and the connecting rod 62, the folding plate 64 is rotatably connected with the side edge of the placing plate 4 and the connecting rod 62, the plug bearing 61 is fixed at the side edge of the upright post 3, the supporting telescopic rod 65 is rotatably plugged inside the plug bearing 61, the other end of the supporting telescopic rod 65 is rotatably plugged with the universal shaft 63 connected with the two connecting rods 62, the connecting rod 62 is connected through the universal shaft 63, under the action of the driving mechanism 7, the four placing plates 4 are simultaneously unfolded, the folding plates 64 between the connecting rods 62 are synchronously rotated and unfolded, inside will supporting telescopic link 65 both ends and inserting universal shaft 63 between grafting bearing 61 and two connecting rods 62 respectively, play the supporting role, place four this moment and place board 4 and folding plate 64's mating reaction under, can prevent great sand table exhibition.

Referring to fig. 2, the connecting rod 62 and the universal shaft 63, the supporting telescopic rod 65 and the inserting bearing 61 are movably inserted, so that the later-stage disassembly is facilitated.

Referring to fig. 1, guardrails 2 are fixed on the surface of the outer ring of the top of the rotary seat platform 1, and adjacent guardrails 2 are connected through a blocking rope, so that the phenomenon that an ornamental visitor rotates a rotating handle 71 at will to damage the original position of a placing plate 4 is avoided.

Referring to fig. 1, a light emitting power source is installed inside the upright post 3, and the upright post 3 is made of transparent hard plastic material, both of which are used to create a better environment and atmosphere for tourists to watch.

In the scheme, when the driving bevel gear 73 is connected with the driving shaft of the first connecting plate 52, the whole set of four placing plates 4 is equivalent to an integral state, the rotating handle 71 is rotated, the rotating handle 71 drives the driving bevel gear 73 to rotate and be meshed with the driven bevel gear 74, so that the four placing plates 4 are simultaneously unfolded and retracted under the action of the link mechanism 5, under the action of the driving mechanism 7, the first connecting plate 52 rotates clockwise, the second connecting plate 53 extrudes the back of the placing plate 4 to drive the placing plate 4 to rotate at an angle, and is limited by the connecting plate 51, when the first connecting plate 52 rotates anticlockwise, the second connecting plate 53 rotates with the first connecting plate 52 to form a folding phenomenon, the connecting plate 51 rotates along with the placing plates 4, when the placing plates 4 need to be independently controlled, the meshing sleeve 77 is disengaged from being meshed with the thread layers 76 on the surfaces of the driving bevel gear 73 and the driven bevel gear 74, and at the moment, the connection among the whole set of four placing plates 4 is cut off, can adjust single board 4 of placing, connect connecting rod 62 through cardan shaft 63, under actuating mechanism 7's effect, four boards 4 of placing expand simultaneously, folding plate 64 between the connecting rod 62 rotates the expansion in step, will support inside telescopic link 65 both ends insert the cardan shaft 63 between grafting bearing 61 and two connecting rods 62 respectively, play the supporting role, place four this moment under board 4 and folding plate 64's the mating reaction, can place great sand table exhibition.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The adjustable city planning display stand comprises a rotary sitting platform (1), stand columns (3) and placing plates (4), wherein the top of the rotary sitting platform (1) is rotatably connected with the stand columns (3), four placing plates (4) are arranged on the surface of the stand columns (3) in an encircling mode, and three groups of the placing plates (4) are arranged along the surface of the stand columns (3), and the adjustable city planning display stand is characterized in that: four place board (4) bottom and all be equipped with link mechanism (5) that board (4) and stand (3) are connected will be placed, link mechanism (5) and stand (3) junction are equipped with and drive four groups and place board (4) synchronous rotation and independent pivoted actuating mechanism (7), actuating mechanism (7) are connected for the transmission with link mechanism (5), and are adjacent place board (4) edge is equipped with the cooperation and places detachable supporting mechanism (6) that board (4) are constituteed the sand table.

2. An adjustable city planning display stand according to claim 1 in which: link mechanism (5) are including connecting plate (51), first even board (52) and second even board (53), it is connected with two connecting plates (51) to place board (4) back top symmetry rotation, and connecting plate (51) keep away from and place board (4) one side and rotate through pivot and stand (3) on the surface and be connected, it is connected with two second even boards (53) to place board (4) back position connecting plate (51) bottom symmetry rotation, and the pillar surface is located connecting plate (51) bottom symmetry rotation and is connected with two first even boards (52), the one end that stand (3) were kept away from to first even board (52) is connected through the pivot rotation with second even board (53) one end is kept away from and is placed board (4).

3. An adjustable city planning display stand according to claim 2 in which: the driving mechanism (7) comprises a rotating handle (71), a driving rod (72), a driving bevel gear (73), a driven bevel gear (74) and a fixed sleeve (75), the driving bevel gear (73) is arranged on one side of the connecting part of the two first connecting plates (52) and the rotating shaft of the upright post (3), the driven bevel gear (74) is arranged on the other side of the connecting part of the two first connecting plates (52) and the rotating shaft of the upright post (3), a fixed sleeve (75) is fixed on the upright post (3) corresponding to the positions of the driving bevel gear (73) and the driven bevel gear (74), the driving bevel gear (73) and the driven bevel gear (74) are rotatably inserted into the fixed sleeve (75), a driving rod (72) is fixed at the axis of the driving bevel gear (73), and a rotating handle (71) is fixed at the other end of the driving rod (72), and the driving bevel gear (73) is in meshed connection with the driven bevel gear (74) at the adjacent side.

4. An adjustable city planning display stand according to claim 3 in which: thread layers (76) are fixed on the surfaces of one ends, close to the first connecting plates (52), of the driving bevel gear (73) and the driven bevel gear (74), a driving shaft is rotatably connected to the joint of the first connecting plates (52) and a rotating shaft of the upright post (3), meshing sleeves (77) are sleeved at the two ends of the driving shaft in a sliding mode, the first connecting plates (52) are fixedly connected with the driving shaft, and the meshing sleeves (77) are meshed with the thread layers (76).

5. An adjustable city planning display stand according to claim 1 in which: can dismantle supporting mechanism (6) including grafting bearing (61), connecting rod (62), universal shaft (63), folded sheet (64) and support telescopic link (65), place board (4) four corners department and all install universal shaft (63), universal shaft (63) inside all rotates and is connected with connecting rod (62), and is adjacent rotate through universal shaft (63) between connecting rod (62) and connect, and be adjacent place and be equipped with folded sheet (64) between board (4) and connecting rod (62), and folded sheet (64) and place board (4) side and connecting rod (62) and be the rotation connection, stand (3) side is fixed with grafting bearing (61), and inside rotation grafting of grafting bearing (61) has support telescopic link (65), and supports the telescopic link (65) other end and is connected universal shaft (63) and rotate the grafting with two connecting rods (62).

6. An adjustable city planning display stand according to claim 5 in which: the connecting rod (62) is movably inserted with the universal shaft (63), the supporting telescopic rod (65) and the inserting bearing (61).

7. An adjustable city planning display stand according to claim 1 in which: the rotary seat platform is characterized in that a guardrail (2) is fixed on the surface of the outer ring at the top of the rotary seat platform (1), and the guardrails (2) are adjacent to each other and connected through a separation rope.

8. An adjustable city planning display stand according to claim 1 in which: the stand (3) internally mounted has a light emitting power supply, and the stand (3) chooses transparent rigid plastic material to make for use.

Images