CN113888952A

CN113888952A - Sand table model display device

Info

Publication number: CN113888952A
Application number: CN202111240856.2A
Authority: CN
Inventors: 王好源
Original assignee: Xi'an Canyon Vision Technology Co ltd
Current assignee: Xi'an Canyon Vision Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-01-04
Anticipated expiration: 2041-10-25
Also published as: CN113888952B

Abstract

The invention discloses a sand table model display device, which comprises a hollow frame body, a road surface configuration mechanism and a shielding mechanism, wherein the road surface configuration mechanism and the shielding mechanism can be contained in the hollow frame body, the road surface configuration mechanism is arranged on one side of the shielding mechanism, the shielding mechanism comprises a lifting movable assembly, a shielding assembly and a rotary driving positioning assembly, the fixed end of the lifting movable assembly is fixedly arranged on the hollow frame body, the movable end of the lifting movable assembly is movably arranged along the vertical direction, the movable end of the lifting movable assembly is respectively provided with the shielding assembly and the rotary driving positioning assembly, the shielding assembly is rotatably arranged around the lifting movable assembly, the rotary driving positioning assembly is used for driving the shielding assembly to rotate in the vertical direction and angularly positioning the rotated shielding assembly, and the road surface configuration mechanism is movably arranged on the hollow frame body along the length direction of the hollow frame body. The sand table model display device can freely switch the display state and the non-display state of the commercial building.

Description

Sand table model display device

Technical Field

The invention relates to the technical field of sand table models, in particular to a sand table model display device.

Background

The sand table model is a diversified display structure which is designed according to a certain proportion, displays buildings and landscapes in a scaling mode and combines sound, light, electricity, control, intelligent dynamic and digital multimedia, is a real object expression form of the existing or to-be-planned construction object, and is widely applied to a plurality of fields of environmental geography military, industrial infrastructure production lines, agricultural planning, real estate design and the like due to good practicability and vivid form.

At present, the sand table model is mainly applied to real estate in lifting display, namely, top rod layer-selection lifting display, layer-by-layer lifting display and the like, and is mainly used for separating buildings layer by layer in a telescopic mode of top rods, so that details such as indoor layout, indoor color matching and the like in each layer of buildings can be seen.

Disclosure of Invention

The invention provides a sand table model display device, which aims to solve the technical problem that the existing sand table model cannot freely switch the display state and the non-display state of a commercial building.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a sand table model display device comprises a hollow frame body, a road surface configuration mechanism and a shielding mechanism, wherein the road surface configuration mechanism and the shielding mechanism can be contained in the hollow frame body, the road surface configuration mechanism is arranged on one side of the shielding mechanism, the shielding mechanism comprises a lifting movable assembly, a shielding assembly and a rotary driving positioning assembly, the fixed end of the lifting movable assembly is fixedly arranged on the hollow frame body, the movable end of the lifting movable assembly is movably arranged along the vertical direction, the movable end of the lifting movable assembly is respectively provided with the shielding assembly and the rotary driving positioning assembly, the shielding assembly is rotatably arranged around the lifting movable assembly, the rotary driving positioning assembly is used for driving the shielding assembly to rotate in the vertical direction and angularly positioning the rotated shielding assembly, so that the shielding assembly is rotatably unfolded in the vertical plane to shield a commercial building or rotatably dodge in the vertical plane to display the commercial building, the pavement allocation mechanism is movably arranged on the hollow frame body along the length direction of the hollow frame body so as to adjust the allocation position of the display pavement and provide an avoidance space required by the rotation and lifting of the shielding assembly.

Furthermore, shelter from the subassembly including sheltering from unit and pivot, the pivot rotationally supports on the lift movable assembly, and the pivot is the level and lays, shelter from on the first side cover of unit locates the pivot and with pivot fixed connection, shelter from the outside extension of second side of unit and bend, and the rotation drive locating component is used for driving the pivot and rotates around its axial lead and carry out the angular positioning to the pivot after the rotation.

Furthermore, the first side of the shielding unit is welded with the rotating shaft or fixedly connected with the rotating shaft through a jackscrew.

Furthermore, the rotary driving positioning assembly comprises a rotary rotating motor arranged on the lifting movable assembly, a driving wheel arranged on the output end of the rotary rotating motor, a driven wheel sleeved on the rotating shaft and in circumferential limiting connection with the rotating shaft, and a transmission rack for connecting the driving wheel with the driven wheel in a transmission manner.

Further, shelter from the unit and include first apron portion, second apron portion and folding driving motor, the first side cover of first apron portion locate in the pivot and with pivot fixed connection, the second side of first apron portion is rotationally located to the second apron portion, folding driving motor is used for driving the second apron portion and rotates around first apron portion and carry out the angular positioning to the second apron portion after rotating to make the second apron portion open at vertical plane rotation and distribute or fold in first apron portion coincide at vertical plane rotation.

Further, the second apron is including extending the apron, a connecting axle for supporting the stiffening rib that extends the apron and inlaying on the stiffening rib, first apron includes basic apron and the basic support that is used for supporting basic apron, basic support is L shape, the first side cover of basic support locate in the pivot and with pivot fixed connection, the second side of basic support is used for supporting the connecting axle and makes the connecting axle rotationally set up, the fixed end of folding motor is fixed to be located on the basic support, the output of folding motor passes through the shaft coupling and is connected with the connecting axle, rotate and then drive the extension apron and rotate around basic apron and make the extension apron rotatory the spreading or rotatory folding.

Further, the cavity framework includes the cavity frame, reaction frame and translation driving piece, reaction frame is fixed to be located on the lateral wall face of cavity frame, the one side of reaction frame is kept away from to road surface configuration mechanism is located to the lift movable assembly, the stiff end of lift movable assembly is fixed to be located in the cavity framework, the expansion end of lift movable assembly sets up in order to drive sheltering from subassembly and rotation driving locating component and remove and stretch out to outside the cavity framework or accomodate in the cavity framework along vertical movably, road surface configuration mechanism is located on the cavity framework along the length direction movably of cavity framework, the stiff end and the reaction frame fixed connection of translation driving piece, the expansion end and the road surface configuration mechanism fixed connection of translation driving piece.

Furthermore, both sides of the hollow frame are provided with sliding grooves, the sliding grooves are arranged along the length direction of the hollow frame, both sides of the pavement configuration mechanism are provided with corresponding sliding rails, and the pavement configuration structure is slidably arranged on the hollow frame through the matching of the sliding rails and the sliding grooves.

Further, the road surface configuration mechanism comprises a support component, a vertical movable component and an installation support plate which can be contained in the support component, wherein the support component is of a hollow frame structure, the support component is arranged on the hollow frame along the length direction of the hollow frame in a slidable mode, the installation end of the vertical movable component is arranged on the support component, the movable end of the vertical movable component props against the installation support plate, and the movable end of the vertical movable component drives the installation support plate to move along the vertical direction along the vertical movement, so that the installation support plate is positioned at different height positions and then the road surface configuration height is adjusted.

Furthermore, the installation supporting plate is horizontally arranged, the vertical movable assembly comprises a screw rod transmission unit and a rotary driving unit, the two screw rod transmission units are respectively arranged on two sides of the support assembly to jointly support the installation supporting plate, and the rotary driving unit is used for driving the screw rod transmission unit to rotate so as to drive the installation supporting plate to vertically move through the screw rod transmission unit.

The invention has the following beneficial effects:

the sand table model display device comprises a hollow frame body, a road surface configuration mechanism and a shielding mechanism. The pavement configuration mechanism is marked with pavement marks, when the sand table model needs to be switched to a display state, the shielding mechanism is accommodated in the hollow frame, the pavement marks are configured on the side edge of the commercial building of the sand table model through the pavement configuration mechanism so as to display the pavement, a finished display model is formed, and the sand table model display device cannot be interfered and shielded during display, so that the commercial building can be observed conveniently; when the sand table model needs to be switched to a non-display state, the whole commercial building can be simulated really, the shielding mechanism is arranged on the outer side of the construction building to further shield the commercial building to form a top covering layer of the commercial building, and the pavement mark is configured on the side edge of the commercial building of the sand table model through the pavement configuration mechanism to display the pavement.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of an initial state of a sand table model display device according to a preferred embodiment of the present invention;

FIG. 2 is a front view of an initial state of the sand table model display apparatus according to the preferred embodiment of the present invention;

FIG. 3 is a front view of a first state of the sand table model display apparatus of the preferred embodiment of the present invention;

FIG. 4 is a front view of a second state of the sand table model display apparatus of the preferred embodiment of the present invention;

FIG. 5 is a front view of a third state of the sand table model display apparatus in accordance with the preferred embodiment of the present invention;

FIG. 6 is a front view of a fourth state of the sand table model display apparatus in accordance with the preferred embodiment of the present invention;

FIG. 7 is a front view of a fifth state of the sand table model display apparatus in accordance with the preferred embodiment of the present invention;

FIG. 8 is a front view of a sixth state of the sand table model display apparatus in accordance with the preferred embodiment of the present invention;

FIG. 9 is a front view showing a state of the sand table model showing apparatus according to the preferred embodiment of the present invention;

FIG. 10 is one of the schematic partial structural views of the blocking mechanism of FIG. 1;

FIG. 11 is a second schematic view of a portion of the shielding mechanism of FIG. 1;

FIG. 12 is a schematic view showing a structure in which the shielding unit of FIG. 1 is rotated and spread;

FIG. 13 is a view illustrating a structure in which the shielding unit of FIG. 1 is rotated and folded;

FIG. 14 is a schematic structural view of the road surface configuration mechanism of FIG. 1;

FIG. 15 is an enlarged view at A in FIG. 14;

fig. 16 is a bottom view of the road surface arranging mechanism in fig. 1.

Illustration of the drawings:

100. a sand table model display device; 10. a shielding mechanism; 11. a lifting movable component; 111. mounting a base frame; 112. a lifting drive unit; 1121. rotating the motor; 1122. a drive bar; 113. a lead screw transmission unit; 1131. a drive screw; 1132. a transmission lifting slide block; 114. horizontally placing a rack; 12. a shielding component; 121. a shielding unit; 1211. a first shielding portion; 1212. a second shielding portion; 1213. a folding drive motor; 122. a rotating shaft; 13. a rotary drive positioning assembly; 131. a rotating electric machine; 132. a drive rack; 20. a road surface configuration mechanism; 21. a bracket assembly; 211. a side frame; 212. an extension frame; 22. a vertically movable assembly; 221. a screw transmission unit; 2211. a transmission screw rod; 2212. a road surface lifting slide block; 222. a rotation driving unit; 2221. a rotary drive motor; 2222. a drive chain; 23. mounting a support plate; 30. a hollow frame body; 31. a hollow frame; 32. a reaction frame; 33. a translation drive.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.

FIG. 2 is a front view of an initial state of the sand table model display apparatus according to the preferred embodiment of the present invention; FIG. 3 is a front view of a first state of the sand table model display apparatus of the preferred embodiment of the present invention; FIG. 4 is a front view of a second state of the sand table model display apparatus of the preferred embodiment of the present invention; FIG. 5 is a front view of a third state of the sand table model display apparatus in accordance with the preferred embodiment of the present invention; FIG. 6 is a front view of a fourth state of the sand table model display apparatus in accordance with the preferred embodiment of the present invention; FIG. 7 is a front view of a fifth state of the sand table model display apparatus in accordance with the preferred embodiment of the present invention; FIG. 8 is a front view of a sixth state of the sand table model display apparatus in accordance with the preferred embodiment of the present invention; FIG. 9 is a front view showing a state of the sand table model showing apparatus according to the preferred embodiment of the present invention; FIG. 10 is one of the schematic partial structural views of the blocking mechanism of FIG. 1; FIG. 11 is a second schematic view of a portion of the shielding mechanism of FIG. 1; FIG. 12 is a schematic view showing a structure in which the shielding unit of FIG. 1 is rotated and spread;

FIG. 13 is a view illustrating a structure in which the shielding unit of FIG. 1 is rotated and folded; FIG. 14 is a schematic structural view of the road surface configuration mechanism of FIG. 1; FIG. 15 is an enlarged view at A in FIG. 14; fig. 16 is a bottom view of the road surface arranging mechanism in fig. 1.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, the sand table model display device 100 of this embodiment includes a hollow frame 30, a road surface configuration mechanism 20 and a shielding mechanism 10 that can be accommodated in the hollow frame 30, the road surface configuration mechanism 20 is disposed on one side of the shielding mechanism 10, the shielding mechanism 10 includes a lifting movable component 11, a shielding component 12, and a rotation driving positioning component 13, a fixed end of the lifting movable component 11 is fixed on the hollow frame 30, a movable end of the lifting movable component 11 is vertically movably disposed, a shielding component 12 and a rotation driving positioning component 13 are respectively disposed on a movable end of the lifting movable component 11, the shielding component 12 is rotatably disposed around the lifting movable component 11, the rotation driving positioning component 13 is used for driving the shielding component 12 to rotate in a vertical direction and angularly position the rotated shielding component 12, the shielding component 12 is rotated and expanded on a vertical plane to shield the commercial building or the shielding component 12 is rotated and avoided on the vertical plane to display the commercial building, and the pavement configuration mechanism 20 is movably arranged on the hollow frame 30 along the length direction of the hollow frame 30 to adjust the configuration position of the display pavement and provide an avoiding space required by the rotation and the lifting of the shielding component 12.

The sand table model display device 100 of the present invention includes a hollow frame 30, a road surface arranging means 20, and a shielding means 10. The pavement configuration mechanism 20 is marked with pavement marks, when the sand table model needs to be switched to a display state, the shielding mechanism 10 is accommodated in the hollow frame 30, the pavement marks are configured on the side edge of the commercial building of the sand table model through the pavement configuration mechanism 20 so as to display the pavement, a finished display model is formed, and the sand table model display device 100 cannot be shielded during display, so that the commercial building can be observed conveniently; when the sand table model needs to be switched to a non-display state, the whole commercial building can be simulated really, the shielding mechanism 10 is arranged on the outer side of the commercial building, the commercial building is further shielded to form a top covering layer of the commercial building, and the pavement mark is arranged on the side edge of the commercial building of the sand table model through the pavement arrangement mechanism 20 so as to display the pavement.

It is understood that the vertical cross section of the shielding mechanism 10 is L-shaped in order to facilitate rotational shielding and rotational avoidance of the shielding mechanism 10.

Referring to fig. 10 and 11, specifically, the shielding mechanism 10 includes a movable lifting assembly 11, a shielding assembly 12, and a positioning assembly 13. The lifting movable assembly 11 is used for driving the shielding assembly 12 to move vertically and vertically positioning the movable shielding assembly 12, the lifting movable assembly 11 drives the shielding assembly 12 and the rotary driving positioning assembly 13 to lift synchronously along the vertical lifting movement, and then the positioning heights of the shielding assembly 12 and the rotary driving positioning assembly 13 are adjusted, so that the shielding assembly 12 and the rotary driving positioning assembly 13 extend out of the hollow frame 30 or are accommodated in the hollow frame 30; through sheltering from subassembly 12 and rotationally setting, rotatory drive positioning assembly 13 is used for driving sheltering from subassembly 12 and rotates and carry out the angular positioning to the subassembly 12 that shelters from after rotating in vertical direction, makes sheltering from subassembly 12 and rotate the expansion and then shelter from commercial building or make to shelter from subassembly 12 and rotate the dodge and then show commercial building in vertical direction. When the sand table model needs to be switched to the display state, the shielding component 12 and the rotary driving positioning component are jacked up and extend out of the hollow frame body 30 through the lifting movable component 11, and then the shielding component 12 is driven to rotate and expand through the rotary driving positioning component 13; when the sand table model display device 100 needs to be switched to the non-display state, the shielding assembly 12 is driven to rotate and avoid by the rotation driving and positioning assembly 13, and then the shielding assembly 12 and the rotation driving and positioning assembly are descended and accommodated into the hollow frame 30 by the lifting movable assembly 11.

As can be understood, after the shielding assembly 12 and the rotation driving positioning assembly 13 are lifted by the lifting movable assembly 11 and extend out of the hollow frame 30, in the state that the shielding assembly 12 is rotated and unfolded, the shielding unit 121 of the shielding assembly 12 is located above and covers the commercial building; in the retracted position of the screen assembly 12, the screen assembly 12 is disposed vertically and laterally of the commercial structure. Wherein, the vertical movement refers to movement along the height direction of the lifting movable assembly 11. The lifting movable assembly 11 can be a telescopic rod, and the shielding assembly 12 and the rotary driving positioning assembly 13 are driven to vertically move through the telescopic motion of the telescopic rod; the lifting movable assembly 11 can also be a screw transmission component, and the shielding assembly 12 and the rotary driving positioning assembly 13 are driven to move vertically by the rotation of the screw transmission component.

Referring to fig. 12 and 13, further, the shielding assembly 12 includes a shielding unit 121 and a rotating shaft 122, the rotating shaft 122 is rotatably supported on the lifting movable assembly 11, the rotating shaft 122 is horizontally disposed, a first side of the shielding unit 121 is sleeved on the rotating shaft 122 and is fixedly connected with the rotating shaft 122, a second side of the shielding unit 121 extends and bends outwards, and the rotation driving positioning assembly 13 is used for driving the rotating shaft 122 to rotate around an axis thereof and angularly position the rotating shaft 122 after rotating. In the present invention, the rotation driving positioning assembly 13 drives the rotation shaft 122 to rotate around the axis thereof, so that the shielding unit 121 rotates and positions around the rotation shaft 122 as a fulcrum, and further the shielding unit 121 synchronously rotates around the axis of the rotation shaft 122 to rotate and unfold or rotate and avoid.

Further, in order to fixedly connect the shielding unit 121 and the rotating shaft 122, the first side of the shielding unit 121 is welded to the rotating shaft 122 or fixedly connected by a jackscrew.

Referring to fig. 11, further, the rotation driving positioning assembly 13 includes a rotation rotating motor 131 disposed on the lifting movable assembly 11, a driving wheel disposed on an output end of the rotation rotating motor 131, a driven wheel sleeved on the rotating shaft 122 and connected to the rotating shaft 122 in a circumferential limiting manner, and a transmission rack 132 for connecting the driving wheel and the driven wheel in a transmission manner. The rotating motor 131 is operated to drive the driving wheel to rotate, and under the driving action of the driving rack 132, the driven wheel is rotated synchronously with the driving wheel, so that the rotating shaft 122 rotates around the axis thereof to drive the shielding unit 121 to rotate, unfold or rotationally avoid.

Referring to fig. 12 and 13 again, the shielding unit 121 includes a first cover plate, a second cover plate and a folding driving motor 1213, the first side of the first cover plate is sleeved on the rotating shaft 122 and fixedly connected to the rotating shaft 122, the second cover plate is rotatably disposed on the second side of the first cover plate, and the folding driving motor 1213 is configured to drive the second cover plate to rotate around the first cover plate and angularly position the rotated second cover plate, so that the second cover plate is rotated and spread on a vertical plane and is arranged flush with the first cover plate or rotated and folded on a vertical plane and is overlapped with the first cover plate. In the invention, the shielding unit 121 comprises a first cover plate part, a second cover plate part and a folding driving motor 1213, which is beneficial to reducing the height space occupied by the shielding unit 121 when the shielding unit is not used (stored), specifically, when the sand table model needs to be switched to a display state, the shielding component 12 and the rotary driving positioning component 13 are jacked up by the lifting movable component 11 and extend out of the hollow frame 30, and the folding driving motor 1213 drives the second cover plate part to rotate and spread along the extending direction of the first cover plate part so as to shield the commercial building from the upper part of the commercial building; when the display is switched to the non-display state, the folding driving motor 1213 drives the second cover plate to rotate and overlap with the first cover plate, and the lifting movable assembly 11 drives the shielding assembly 12 and the rotation driving positioning assembly 13 to descend and be accommodated in the hollow frame 30.

Further, the second apron portion is including extending the apron, a connecting axle for supporting the stiffening rib that extends the apron and inlaying on the stiffening rib, first apron portion includes basic apron and the basic support that is used for supporting basic apron, basic support is L shape, the first side cover of basic support locate in pivot 122 and with pivot 122 fixed connection, the second side of basic support is used for supporting the connecting axle and makes the connecting axle rotationally set up, the fixed end of folding motor is fixed to be located on basic support, the output of folding motor passes through the shaft coupling and is connected with the connecting axle, rotate and then drive the extension apron and rotate around basic apron and make the extension apron rotatory the spreading or rotatory folding.

Furthermore, lightening holes are formed in the base cover plate and/or the extension cover plate. It can be understood that the lightening holes may be waist-shaped holes arranged along the length direction of the extension cover plate, or may also be waist-shaped holes arranged along the width direction of the extension cover plate, and two adjacent waist-shaped holes are arranged in a staggered manner. The lightening holes are arranged to lighten the weight of the extension cover plate, so that the extension cover plate can be driven to be unfolded rotationally or closed rotationally by the folding driving motor 1213.

Referring to fig. 10 and 11, preferably, the lifting movable assembly 11 includes a mounting base frame 111, a lifting driving unit 112, a screw transmission unit 113 and a horizontal placement frame 114, the mounting base frame 111 is fixed on the hollow frame 30, the two sides of the mounting base frame 111 are respectively provided with the screw transmission unit 113, the two screw transmission units 113 are used to jointly support the horizontal placement frame 114, the lifting driving unit 112 is used to drive the two screw transmission units 113 to synchronously lift and lower to drive the horizontal placement frame 114 to vertically move and vertically position the moved horizontal placement frame 114, the horizontal placement frame 114 is provided with two supporting seats, and the two supporting seats are oppositely arranged on the horizontal placement frame 114 and used to support the rotating shaft 122. Specifically, the rotation driving positioning assembly 13 is disposed on the horizontal placing frame 114, the two lead screw transmission units 113 are used for supporting the horizontal placing frame 114 from two sides of the horizontal placing frame 114, and the supporting seat is a bearing seat.

More preferably, the screw transmission unit 113 includes a transmission screw 1131 and a transmission lifting slider 1132 connected through screw-thread fit, the transmission screw 1131 is vertically arranged, the transmission lifting slider 1132 is horizontally arranged, the transmission lifting slider 1132 is arranged on the transmission screw 1131, the transmission screw 1131 is arranged on the installation pedestal 111, the transmission slider is fixedly connected with the horizontal placing frame 114, and the lifting drive unit 112 is used for driving all the transmission screws 1131 to synchronously rotate, so that the transmission screw 1131 drives the transmission lifting slider 1132 to move vertically.

Preferably, the lifting driving unit 112 includes a rotating motor 1121 and a transmission bar 1122, an output end of the rotating motor 1121 is provided with a master gear, an input end of each transmission lead screw 1131 is provided with a slave gear, all the slave gears are in transmission connection with the master gear through the transmission bar 1122, and then all the slave gears are driven to synchronously rotate by the master gear.

More preferably, the master gear is used to tension the drive bars 1122 between the various slave gears.

Referring to fig. 10 again, the hollow frame 30 includes a hollow frame 31, a reaction frame 32 and a translational driving member 33, the reaction frame 32 is fixed on a side wall surface of the hollow frame 31, the lifting movable assembly 11 is disposed on a side of the road surface configuration mechanism 20 away from the reaction frame 32, a fixed end of the lifting movable assembly 11 is fixed on the hollow frame 30, a movable end of the lifting movable assembly 11 is vertically movably disposed to drive the shielding assembly 12 to extend out of the hollow frame 30 or to be accommodated in the hollow frame 30, the road surface configuration mechanism 20 is movably disposed on the hollow frame 30 along a length direction of the hollow frame 30, a fixed end of the translational driving member 33 is fixedly connected to the reaction frame 32, and a movable end of the translational driving member 33 is fixedly connected to the road surface configuration mechanism 20. In the invention, one end of the translational driving part 33 is fixedly arranged on the reaction frame 32, and the other end of the translational driving part 33 is fixedly connected with the road surface configuration mechanism 20, so that the road surface configuration mechanism 20 is driven to horizontally move under the action of the translational driving mechanism, and the position of the road surface configuration mechanism 20 is adjusted to avoid.

Alternatively, the vacuum frame may be a vacuum aluminum alloy frame, and in this embodiment, the mounting base frame 111 is fixedly disposed on the vacuum frame; the vacuum frame body comprises a first aluminum alloy frame and a second aluminum alloy frame, wherein the first aluminum alloy frame and the second aluminum alloy frame are oppositely arranged, the first aluminum alloy frame and the second aluminum alloy frame are assembled at the head and fixedly connected to form a frame structure, and the reaction frame 32 adopts a third aluminum alloy frame.

Furthermore, sliding grooves are formed in both sides of the hollow frame 31, the sliding grooves are arranged along the length direction of the hollow frame 31, corresponding sliding rails are formed in both sides of the road surface configuration mechanism 20, and the road surface configuration structure is slidably arranged on the hollow frame 31 through the matching of the sliding rails and the sliding grooves.

Referring to fig. 14, 15 and 16, the road surface configuration mechanism 20 further includes a support assembly 21, a vertical movable assembly 22 and a mounting support plate 23 capable of being accommodated in the support assembly 21, the support assembly 21 is a hollow frame structure, the support assembly 21 is slidably disposed on the hollow frame 31 along a length direction of the hollow frame 31, a mounting end of the vertical movable assembly 22 is mounted on the support assembly 21, a movable end of the vertical movable assembly 22 props the mounting support plate 23, and the movable end of the vertical movable assembly 22 moves vertically to drive the mounting support plate 23 to move vertically, so that the mounting support plate 23 is positioned at different height positions to adjust the road surface configuration height.

Specifically, the road surface arranging mechanism 20 includes a bracket assembly 21, a vertically movable assembly 22, and a mounting plate 23. By marking the upper surface of the mounting support plate 23 with a road surface mark, the sand table model display device 100 can be used for displaying a display road surface at the side of a commercial building of a sand table model; the vertical movable component 22 is mounted on the support component 21, the movable end of the vertical movable component 22 can be vertically arranged in a reciprocating manner, the vertical movable component 22 is used for supporting the mounting support plate 23 and driving the mounting support plate 23 to vertically move so as to adjust the positioning height of the mounting support plate 23, and further the configuration height of the display pavement can be adjusted to enable the display pavement to be flush with the bottom foundation of the commercial building, so that the attractiveness of the sand table model during display of the commercial building is improved; meanwhile, the movable end of the vertical movable component 22 can drive the installation support plate 23 to move vertically and position the movable installation support plate 23, so that the installation support plate 23 is positioned above the support component 21 to display the pavement configuration of the sand table model or the installation support plate 23 is positioned and contained in the inner cavity of the support component 21 to hide the pavement configuration of the sand table model, and the flexibility of the sand table model display device 100 in use is improved.

It is understood that the vertical movement of the present invention refers to movement along the height direction of the bracket assembly 21. The vertical movable component 22 can be a telescopic rod, and the telescopic rod can be used for driving the installation support plate 23 to move vertically; the vertical movable assembly 22 can also be a screw transmission part, and the rotation of the screw transmission part drives the mounting support plate 23 to move vertically.

Further, in order to keep the road surface horizontal, the mounting support plate 23 is horizontally arranged; in order to enable the installation support plate 23 to reciprocate between the inner cavity and the periphery of the bracket assembly 21 to adjust the configuration height of the installation support plate 23, or in order to enable the installation support plate 23 to be accommodated in the inner cavity of the bracket assembly 21 to hide the installation support plate 23, the vertical movable assembly 22 includes a screw transmission unit 221 and a rotary driving unit 222, the two screw transmission units 221 are respectively arranged at two sides of the bracket assembly 21 to jointly prop up the installation support plate 23, and the rotary driving unit 222 is used for driving the screw transmission units 221 to rotate so as to drive the installation support plate 23 to vertically move through the screw transmission unit 113. In the invention, the two screw transmission units 221 are respectively arranged at two sides of the support assembly 21 to commonly support the installation support plate 23 from two sides of the installation support plate 23, the two screw transmission units 221 are used for supporting the installation support plate 23 from two ends of the installation support plate 23, meanwhile, the two screw transmission units 221 are respectively arranged at two ends of the support assembly 21, and the installation support plate 23 is lifted and lowered vertically under the condition of keeping a horizontal state, so that the balance of the installation support plate 23 is kept, and meanwhile, the interference on the vertical movement of the installation support plate 23 is avoided.

More preferably, the vertical movable assembly 22 includes electric telescopic units, two electric telescopic units are respectively disposed on two sides of the support assembly 21 to prop the installation support plate 23 from two sides of the installation support plate 23, and the two electric telescopic units share one electric controller to enable the two electric telescopic units to synchronously lift and further drive the installation support plate 23 to vertically move. Optionally, the electric telescopic unit comprises an electric telescopic rod.

Referring to fig. 14 again, preferably, the bracket assembly 21 includes a side frame 211 and extension frames 212 respectively disposed at two sides of the side frame 211, the extension frames 212 are disposed on the side frame 211 along a side perpendicular to the side frame 211, the two extension frames 212 and the side frame 211 are combined to form a hollow frame structure with a single side opening, and the screw transmission units 221 and the extension frames 212 are disposed in a one-to-one correspondence manner. Optionally, the side frame 211 and the extension frame 212 are fixedly connected by bolts, the vertically movable assembly 22 and the extension frame 212 are fixedly connected by bolts, and the mounting plate 23 and the vertically movable assembly 22 are fixedly connected by bolts. Specifically, the mounting plate 23 moves vertically to be accommodated in the hollow frame structure or positioned outside the hollow frame structure, so as to adjust the display height of the mounting plate 23 or hide the mounting plate 23 in the inner cavity of the bracket assembly 21.

More preferably, the side frame 211 is located the one end of extending frame 212 towards reaction frame 32, and two extending frames 212 and the combination of side frame 211 constitute and have the open-ended cavity frame type structure of unilateral, and the aperture of cavity frame type structure deviates from reaction frame 32 and sets up and then is used for dodging when accomodating and sheltering from subassembly 12 and shelter from subassembly 12. Specifically, the fixed end of the translational driving member 33 is fixedly connected to the reaction frame 32, and the movable end of the translational driving member 33 is fixedly connected to the side frame.

Preferably, the mounting end of the lead screw transmission unit 221 is mounted on the corresponding extension frame 212, and the movable end of the lead screw transmission unit 221 extends into the inner cavity of the bracket assembly 21 and is fixedly connected with the corresponding end of the mounting support plate 23. In the present invention, it is understood that the movable end of the vertically movable component 22 is bent inward and then extends vertically upward and is fixedly connected with the mounting plate 23.

Referring to fig. 15 and fig. 16 again, preferably, the lead screw transmission unit 221 includes a transmission lead screw 2211 and a road surface lifting slider 2212 which are connected by screw thread fit, the transmission lead screw 2211 is disposed vertically, the road surface lifting slider 2212 is disposed horizontally, the mounting end of the transmission lead screw 2211 is rotatably mounted on the corresponding extension frame 212, the road surface lifting slider 2212 is disposed on the movable end of the transmission lead screw 2211, the road surface lifting slider 2212 extends into the inner cavity of the support assembly 21 and is fixedly connected with the corresponding mounting support plate 23, and the rotary driving unit 222 is configured to drive all the transmission lead screws 2211 to rotate synchronously, so as to drive all the road surface lifting sliders 2212 to move synchronously along the vertical direction. Alternatively, the extension frame 212 includes two connecting angle irons oppositely spaced along the height direction of the support assembly 21, the driving screw rod 2211 is vertically disposed between the two connecting angle irons, and the road surface lifting slider 2212 is in threaded fit with the driving screw rod 2211 and vertically reciprocates between the two connecting angle irons.

Preferably, in order to improve the force bearing performance of the mounting support plate 23, each extension frame 212 is provided with a plurality of transmission screws 2211 in threaded fit with the corresponding road surface lifting slider 2212, the rotary driving unit 222 includes a rotary driving motor 2221 and a transmission chain 2222, the rotary driving motor 2221 is fixedly arranged on the side frame 211, an output end of the rotary driving motor 2221 is provided with a driving gear, an input end of each transmission screw 2211 penetrates through the bottom surface of the extension frame 212 and is provided with a driven gear, and all the driven gears are in transmission connection with the driving gear through the transmission chain 2222, so that the driving gear drives all the driven gears to rotate synchronously. Optionally, two driving screws 2211 are arranged on each extension frame 212, and the two driving screws 2211 on the same extension frame 212 are simultaneously in threaded fit connection with the corresponding road surface lifting slide block 2212.

Preferably, the driving gear is provided at a side of the side frame 211 away from the extension frame 212 such that the driving chain 2222 is tensioned between the driving gear and each of the driving gears. Preferably, a tensioning wheel is disposed on a bottom surface of each of the extension frames 212, the tensioning wheel is disposed on a relatively close side of the two extension frames 212, and the driving gear, the driven gear and the tensioning wheel are in transmission connection through the transmission connection.

Preferably, the upper surface of the mounting plate 23 is adhered with a sticker having a pavement marker.

The sand table model display device 100 of the invention ensures the integrity of the building business when not displaying, so that the top cover covers the top of the business building, the building top cover is directly hidden in the hollow frame 30 when displaying, the display effect is not influenced by other foreign matters such as ejector rods when displaying, and when in specific use:

as shown in fig. 1 and 2, when the sand table model display device 100 is in the initial state (non-display state), the rotary driving positioning assembly 13 drives the shielding assembly 12 to rotatably expand to shield the commercial building, at this time, the shielding assembly 12 is located laterally of the pavement disposition mechanism 20 and directly above the commercial building, and the pavement disposition mechanism 20 is disposed close to the commercial building and flush with the base of the commercial building, so as to ensure the integrity of the commercial building in the non-display state and facilitate observation of the appearance of the commercial building.

Specifically, the lifting movable assembly 11 of the shielding mechanism 10 is lifted to an upper limit position, the shielding assembly 12 and the rotary driving positioning assembly 13 are lifted synchronously, and the rotary driving positioning assembly 13 works to enable the shielding assembly 12 to be unfolded and covered above the commercial building; the pavement arranging mechanism 20 is driven to be integrally arranged close to the commercial building through the translation driving piece 33, and the mounting support plate 23 is driven to ascend through the vertical movable assembly 22 of the pavement arranging mechanism 20 so as to enable the pavement marker to be flush with the base of the commercial building.

Referring to fig. 3, the vertical movable assembly 22 of the pavement arranging mechanism 20 operates to drive the mounting support plate 23 to descend, so as to lower the pavement mark of the sand table model below the surface of the model chassis, and at this time, the mounting support plate 23 does not interfere with the surface of the model chassis on one side of the pavement arranging mechanism 20 when moving horizontally along the length direction of the hollow frame 31, so that the obstacle removing work is done for the horizontal movement; referring to fig. 4, the horizontal driving member 33 operates to drive the entire pavement arranging mechanism 20 to horizontally move along the length direction of the hollow frame 31 to approach the reaction frame 32, so as to hide the pavement mark of the sand table model to give the sheltering mechanism 10 an action, and further, when the pavement arranging mechanism 20 moves to the right position to approach the reaction frame 32, a sheltering space required for rotation and lifting of the sheltering assembly 12 is formed.

Referring to fig. 5, the shielding assembly 12 and the rotation driving positioning assembly 13 are both disposed on the lifting movable assembly 11, and the rotation driving positioning assembly 13 drives the shielding assembly 12 to rotate around the connection axis between the shielding assembly 12 and the lifting movable assembly 11 until the shielding assembly 12 rotates and avoids to the side of the lifting movable assembly 11 in the vertical plane, at this time, the shielding assembly 12 rotates and avoids in the vertical plane, so as to display the commercial building; referring to fig. 6, in order to further save the space occupied by the shielding assembly 12 when the shielding assembly 12 is stored, the folding driving motor 1213 operates to drive the rotating shaft 122 to rotate around the axial line thereof and angularly position the rotating shaft 122, the folding driving motor 1213 drives the second cover plate to rotate and to overlap with the first cover plate, and the second cover plate and the first cover plate are folded to reduce the height of the shielding assembly 12 when the shielding assembly 12 is stored, so that the shielding assembly 12 is smoothly contained in the hollow frame 31 after being lowered along with the lifting movable assembly 11; referring to fig. 7, the lifting/lowering assembly 11 drives the shielding assembly 12 and the rotation driving/positioning assembly 13 to synchronously descend and be accommodated in the hollow frame 30.

Referring to fig. 8, the horizontal driving member 33 works again to drive the entire pavement arranging mechanism 20 to move horizontally along the length direction of the hollow frame 31 and away from the reaction frame 32, and when the bracket assembly 21 of the pavement arranging mechanism 20 moves to approach the commercial building, the shielding mechanism 10 is accommodated in the pavement arranging mechanism 20 and the hollow frame 31. Specifically, the side wall frame is disposed close to the reaction frame 32, and the two extension frames 212 and the side wall frame 211 are combined to form a hollow frame structure having a single-side opening capable of accommodating the shielding mechanism 10.

Referring to fig. 9, when the sand table model display device 100 is in the display state, the shielding mechanism 10 is integrally accommodated in the cavity between the hollow frame 30 and the road surface configuration mechanism 20, the road surface configuration mechanism 20 is disposed close to the commercial building, and the vertical movable assembly 22 of the road surface configuration mechanism 20 drives the mounting support plate 23 to rise and be flush with the base of the commercial building, so as to completely display the commercial building in the display state and avoid interference from the shielding mechanism 10, thereby facilitating complete observation of the internal structure of the commercial building.

The sand table model display device 100 can freely switch the display state and the non-display state of the commercial building, can dynamically display the switching process, and improves the enjoyment of appreciation and the integrity of commercial display.

The sand table model display device disclosed by the invention has the advantages that the mechanical transmission, design concept, overall presentation and expression modes are different from those of the traditional ejector rods, the phenomenon that the integrity of the interior of a business is redundant due to the fact that the traditional ejector rods penetrate through the top cover of the interior of the business from bottom to top to jack the top cover so as to avoid the traditional ejector rods jack the top cover of the business to be lifted to enter a display state, the sight line can be blocked when the traditional ejector rods are used for watching in a vertical face direction, and the technical problem that the overlooking and stooping visiting are inconvenient due to the fact that the lifting stroke is small when the space in the sand table is insufficient is solved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sand table model display device is characterized in that,

comprises a hollow frame body, a road surface configuration mechanism and a shielding mechanism, wherein the road surface configuration mechanism and the shielding mechanism can be contained in the hollow frame body, the road surface configuration mechanism is arranged on one side of the shielding mechanism,

the shielding mechanism comprises a lifting movable component, a shielding component and a rotary driving positioning component, wherein the fixed end of the lifting movable component is fixedly arranged on the hollow frame body, the movable end of the lifting movable component is movably arranged along the vertical direction, the movable end of the lifting movable component is respectively provided with the shielding component and the rotary driving positioning component, the shielding component is rotatably arranged around the lifting movable component, the rotary driving positioning component is used for driving the shielding component to rotate in the vertical direction and angularly position the rotated shielding component, so that the shielding component can be rotatably unfolded in the vertical plane to shield the commercial building or can be rotatably avoided in the vertical plane to display the commercial building,

the pavement allocation mechanism is movably arranged on the hollow frame body along the length direction of the hollow frame body so as to adjust the allocation position of the display pavement and provide an avoidance space required by the rotation and lifting of the shielding assembly.

2. The sand table model display device of claim 1,

the shielding component comprises a shielding unit and a rotating shaft, the rotating shaft is rotatably supported on the lifting movable component, the rotating shaft is horizontally arranged, the first side of the shielding unit is sleeved on the rotating shaft and is fixedly connected with the rotating shaft, the second side of the shielding unit extends outwards and is bent,

the rotary driving positioning assembly is used for driving the rotating shaft to rotate around the axis line of the rotating shaft and angularly position the rotating shaft after rotating.

3. The sand table model display device of claim 2,

the first side of the shielding unit is welded with the rotating shaft or fixedly connected with the rotating shaft through a jackscrew.

4. The sand table model display device of claim 2,

the rotary driving positioning assembly comprises a rotary rotating motor arranged on the lifting movable assembly, a driving wheel arranged on the output end of the rotary rotating motor, and a transmission rack sleeved on the rotating shaft, wherein the rotating shaft is circumferentially and limitedly connected with the rotating shaft, the transmission rack is used for transmitting the driving wheel and the transmission rack to be connected with the rotating shaft.

5. The sand table model display device of claim 2,

the shielding unit comprises a first cover plate part, a second cover plate part and a folding driving motor, the first side of the first cover plate part is sleeved on the rotating shaft and is fixedly connected with the rotating shaft, the second cover plate part is rotatably arranged on the second side of the first cover plate part,

folding driving motor is used for the drive the second apron portion winds first apron portion rotates and to after rotating the second apron portion carries out the angular positioning, so that the second apron portion at vertical plane rotation spread with first apron portion evenly cloth or at vertical plane rotation fold in first apron portion coincide.

6. The sand table model display device of claim 5,

the second cover plate part comprises an extension cover plate, a reinforcing rib for supporting the extension cover plate and a connecting shaft embedded on the reinforcing rib,

the first cover plate part comprises a basic cover plate and a basic support used for supporting the basic cover plate, the basic support is L-shaped, the first side of the basic support is sleeved on the rotating shaft and is fixedly connected with the rotating shaft, the second side of the basic support is used for supporting the connecting shaft and enabling the connecting shaft to be rotatably arranged,

the fixed end of the folding motor is fixedly arranged on the basic support, the output end of the folding motor is connected with the connecting shaft through a coupler, and the shielding motor drives the connecting shaft to rotate so as to drive the extension cover plate to rotate around the basic cover plate, so that the extension cover plate is rotationally spread or rotationally folded.

7. The sand table model display device of claim 2,

the hollow frame body comprises a hollow frame, a reaction frame and a translational driving piece, the reaction frame is fixedly arranged on the side wall surface of the hollow frame, the lifting movable assembly is arranged on one side of the pavement configuration mechanism far away from the reaction frame,

the fixed end of the lifting movable component is fixedly arranged on the hollow frame body, the movable end of the lifting movable component is movably arranged along the vertical direction to drive the shielding component and the rotary driving positioning component to move and extend out of the hollow frame body or be accommodated in the hollow frame body,

the pavement allocation mechanism is movably arranged on the hollow frame body along the length direction of the hollow frame body, the fixed end of the translational driving piece is fixedly connected with the reaction frame, and the movable end of the translational driving piece is fixedly connected with the pavement allocation mechanism.

8. The sand table model display device of claim 7,

the road surface configuration mechanism is characterized in that sliding grooves are formed in two sides of the hollow frame, the sliding grooves are distributed along the length direction of the hollow frame, corresponding sliding rails are arranged on two sides of the road surface configuration mechanism, and the road surface configuration structure is slidably arranged on the hollow frame through the matching of the sliding rails and the sliding grooves.

9. The sand table model display device of claim 7,

the pavement allocation mechanism comprises a support component, a vertical movable component and an installation support plate which can be contained in the support component, the support component is of a hollow frame structure, the support component is arranged on the hollow frame in a sliding way along the length direction of the hollow frame,

the mounting end of the vertical movable assembly is arranged on the support assembly, the movable end of the vertical movable assembly props the mounting support plate, and the movable end of the vertical movable assembly moves vertically to drive the mounting support plate to move vertically, so that the mounting support plate is positioned at different height positions to adjust the pavement configuration height.

10. The sand table model display device of claim 9,

the installation support plate is horizontally arranged,

the vertical movable assembly comprises a screw rod transmission unit and a rotary driving unit, the screw rod transmission unit is arranged on two sides of the support assembly respectively to support the installation support plate together, and the rotary driving unit is used for driving the screw rod transmission unit to rotate so as to drive the installation support plate to move vertically through the screw rod transmission unit.