CN113888952B - Sand table model display device - Google Patents

Abstract

The invention discloses a sand table model display device which comprises a hollow frame body, and a pavement allocation mechanism and a shielding mechanism which can be accommodated in the hollow frame body, wherein the pavement allocation 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, a fixed end of the lifting movable assembly is fixedly arranged on the hollow frame body, a movable end of the lifting movable assembly is vertically and movably arranged, the shielding assembly and the rotary driving positioning assembly are respectively arranged on the movable end of the lifting movable 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 perform angular positioning on the rotated shielding assembly, and the pavement allocation 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 designed according to a certain proportion, and is a diversified display structure body for zooming and displaying buildings and landscapes and combining sound, light, electricity, control, intelligent dynamics and digital multimedia, is a physical expression form of the existing or to-be-planned construction, and is widely applied to the fields of environmental geographic military, industrial basic construction production line, 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 floor-selecting lifting display, floor-by-floor lifting display and the like of lifting display in the property, and mainly aims to separate buildings layer by layer in a mode that the lifting rods stretch out and draw back, so that details such as indoor layout, indoor color collocation and the like in each floor of building 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 above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a sand table model display device, including cavity framework and the road surface configuration mechanism and the shielding mechanism of holding in cavity framework, the one side of shielding mechanism is located to road surface configuration mechanism, shielding mechanism includes lift movable subassembly, shielding subassembly and rotary drive locating component, lift movable subassembly's stiff end is fixed to be located on the cavity framework, lift movable subassembly's movable end sets up along vertical movably, lift movable subassembly's movable end is equipped with shielding subassembly and rotary drive locating component respectively, shielding subassembly rotationally sets up around lift movable subassembly, rotary drive locating component is used for driving shielding subassembly and rotates and carry out the angular orientation to the shielding subassembly after the rotation, make shielding subassembly rotationally expand and then shelter from commercial building or make shielding subassembly rotationally dodge and then show commercial building at vertical plane, road surface configuration mechanism is movably located on the cavity framework along the length direction of cavity framework, in order to adjust the configuration position of show road surface and provide shielding subassembly rotation, the required space of dodging.

Further, the shielding assembly comprises a shielding unit and a rotating shaft, the rotating shaft is rotatably supported on the lifting movable assembly, the rotating shaft is horizontally arranged, a first side of the shielding unit is sleeved on the rotating shaft and fixedly connected with the rotating shaft, a second side of the shielding unit extends outwards and bends, and the rotary driving positioning assembly is used for driving the rotating shaft to rotate around the axis line of the rotating shaft and performing angular positioning on the rotating shaft.

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

Further, 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 used for connecting the driving wheel and the driven wheel in a transmission manner.

Further, shelter from unit includes first apron portion, second apron portion and folding driving motor, and the first side cover of first apron portion is located in the pivot and with pivot fixed connection, and the second side of first apron portion is located to second apron portion rotationally, folding driving motor is used for driving second apron portion and rotates around first apron portion and carries out the angular positioning to the second apron portion after the rotation to make second apron portion lay with first apron portion parallel and level at vertical plane rotation or fold in first apron portion coincide at vertical plane rotation.

Further, the second apron portion includes extension apron, is used for supporting the stiffening rib of extension apron and builds in the connecting axle on the stiffening rib, and first apron portion includes the basis apron and is used for supporting the basis support of basis apron, and the basis support is L shape, and the first side cover of basis support is located in the pivot and with pivot fixed connection, the second side of basis support is used for supporting the connecting axle and makes the connecting axle rotationally set up, sets for folding motor's stiff end to be fixed to locate on the basis support to make folding motor's output pass through the shaft coupling and be connected with the connecting axle, through folding motor drive connecting axle rotation and then drive extension apron and rotate around the basis apron and make extension apron rotatory spread or rotatory folding.

Further, the hollow frame body comprises a hollow frame body, a counter-force frame and a translation driving piece, the counter-force frame is fixedly arranged on the side wall surface of the hollow frame body, the lifting movable assembly is arranged on one side, far away from the counter-force frame, of the pavement allocation mechanism, 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 vertically movably arranged to drive the shielding assembly and the rotary driving positioning assembly to move and stretch out of the hollow frame body or be stored 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 translation driving piece is fixedly connected with the counter-force frame, and the movable end of the translation driving piece is fixedly connected with the pavement allocation mechanism.

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

Further, road surface configuration mechanism includes bracket component, vertical movable assembly and can hold the installation extension board in the bracket component, and bracket component is cavity frame structure, and bracket component locates on the cavity frame along cavity frame's length direction slidable, and vertical movable assembly's installation end is installed on bracket component, and vertical movable assembly's expansion end jack-up installation extension board, vertical movable assembly's expansion end along vertical movable drive installation extension board along vertical removal to make the location of installation extension board at different high positions and then adjust road surface configuration height.

Further, the installation support 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 bracket assembly to jointly prop the installation support plate, 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 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 pavement allocation mechanism and a shielding mechanism. The road surface configuration mechanism is marked with a road surface mark, when the sand table model needs to be switched to a display state, the shielding mechanism is contained in the hollow frame body, the road surface mark is configured on the side edge of a commercial building of the sand table model through the road surface configuration mechanism so as to display the road surface, a completed display model is formed, and the sand table model display device is not interfered and shielded during display, so that the commercial building can be conveniently observed; when the sand table model is required to be switched to a non-display state, the whole commercial building can be truly simulated, the shielding mechanism is arranged on the outer side of the building commercial building so as to shield the commercial building to form a top covering layer of the commercial building, and the pavement marker is arranged on the side edge of the commercial building of the sand table model through the pavement arrangement mechanism so as to display the pavement.

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

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of the structure 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 the initial state of the sand table model display device of the preferred embodiment of the present invention;

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

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

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

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

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

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

FIG. 9 is a front view of a sand table model display device of a preferred embodiment of the present invention in a display state;

FIG. 10 is one of the partial schematic structural views of the shielding 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 of a structure in which the shutter unit of FIG. 1 is rotatably spread;

FIG. 13 is a schematic view of a structure in which the shielding unit of FIG. 1 is rotatably folded;

FIG. 14 is a schematic view of the pavement arrangement of FIG. 1;

fig. 15 is an enlarged view at a in fig. 14;

fig. 16 is a bottom view of the pavement-disposing mechanism of fig. 1.

Legend description:

100. a sand table model display device; 10. a shielding mechanism; 11. a lifting movable assembly; 111. installing a base frame; 112. a lifting driving unit; 1121. a rotating motor; 1122. a transmission bar; 113. a screw drive unit; 1131. a transmission screw; 1132. driving the lifting slide block; 114. a horizontal placing frame; 12. a shielding assembly; 121. a shielding unit; 1211. a first cover plate portion; 1212. a second cover plate portion; 1213. a folding driving motor; 122. a rotating shaft; 13. rotationally driving the positioning assembly; 131. a rotary motor; 132. a drive rack; 20. a road surface arrangement mechanism; 21. a bracket assembly; 211. a side frame; 212. extending the frame; 22. a vertical movable assembly; 221. a screw rod 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; 31. a hollow frame; 32. a reaction frame; 33. and translating the driving member.

Detailed Description

Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, as defined and covered below.

FIG. 1 is a schematic view of the structure 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 the initial state of the sand table model display device of the preferred embodiment of the present invention; FIG. 3 is a front view of a first state of a sand table model display device of a preferred embodiment of the present invention; FIG. 4 is a front view of a second state of the sand table model display device of the preferred embodiment of the present invention; FIG. 5 is a front view of a third state of the sand table model display device of the preferred embodiment of the present invention; FIG. 6 is a front view of a fourth state of the sand table model display device of the preferred embodiment of the present invention; FIG. 7 is a front view of a fifth state of the sand table model display device of the preferred embodiment of the present invention; FIG. 8 is a front view of a sixth state of a sand table model display device of a preferred embodiment of the present invention; FIG. 9 is a front view of a sand table model display device of a preferred embodiment of the present invention in a display state; FIG. 10 is one of the partial schematic structural views of the shielding 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 of a structure in which the shutter unit of FIG. 1 is rotatably spread; FIG. 13 is a schematic view of a structure in which the shielding unit of FIG. 1 is rotatably folded; FIG. 14 is a schematic view of the pavement arrangement of FIG. 1; fig. 15 is an enlarged view at a in fig. 14; fig. 16 is a bottom view of the pavement-disposing mechanism of fig. 1.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9, the sand table model display device 100 of this embodiment includes a hollow frame 30, and 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 rotary driving positioning component 13, a fixed end of the lifting movable component 11 is fixedly disposed on the hollow frame 30, a movable end of the lifting movable component 11 is movably disposed along a vertical direction, the movable end of the lifting movable component 11 is respectively provided with the shielding component 12 and the rotary driving positioning component 13, the shielding component 12 is rotatably disposed around the lifting movable component 11, and the rotary driving positioning component 13 is used for driving the shielding component 12 to rotate in a vertical direction and perform angular positioning on the shielding component 12 after rotation, so that the shielding component 12 rotates and expands in a vertical plane to avoid in order to make the commercial building or make the component 12 rotate in the vertical plane and further display the commercial building, and the road surface configuration mechanism 20 is movably disposed on the hollow frame 30 along a length direction of the hollow frame 30, so as to adjust the shielding component 30 and to avoid the required position of the road surface to display.

The sand table model display device 100 of the present invention includes a hollow frame 30, a road surface arrangement mechanism 20, and a shielding mechanism 10. The road surface configuration mechanism 20 is marked with a road surface mark, when the sand table model needs to be switched to a display state, the shielding mechanism 10 is contained in the hollow frame body 30, and the road surface mark is configured on the side edge of a commercial building of the sand table model through the road surface configuration mechanism 20 so as to display the road surface, so that a completed display model is formed, the sand table model display device 100 is not shielded during display, and the commercial building is convenient to observe; when the sand table model needs to be switched to the non-display state, the whole commercial building can be truly simulated, the shielding mechanism 10 is arranged on the outer side of the commercial building, the commercial building is further shielded to form a top cover layer of the commercial building, and the pavement marker is arranged on the side edge of the commercial building of the sand table model through the pavement arrangement mechanism 20 to display the pavement.

It will be appreciated 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 lifting moving assembly 11, a shielding assembly 12, and a rotation driving positioning assembly 13. The lifting movable assembly 11 is used for driving the shielding assembly 12 to vertically move and vertically position the shielding assembly 12 after the movement, and the shielding assembly 12 and the rotary driving positioning assembly 13 are driven to synchronously lift along the vertical lifting movement by the lifting movable assembly 11, so that the positioning heights of the shielding assembly 12 and the rotary driving positioning assembly 13 are adjusted, and the shielding assembly 12 and the rotary driving positioning assembly 13 extend out of the hollow frame 30 or are contained in the hollow frame 30; through shielding component 12 rotationally setting, rotary drive positioning assembly 13 is used for driving shielding component 12 and rotates in the vertical direction and carry out the angular positioning to shielding component 12 after the rotation, makes shielding component 12 rotatory expansion and then shelter from commercial building in the vertical direction or makes shielding component 12 rotatory dodge and then demonstrate commercial building in the 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 lifted and extended out of the hollow frame body 30 through the lifting movable component 11, and then the shielding component 12 is driven to be rotated and unfolded through the rotary driving positioning component 13; when the sand table model display device 100 is required to be switched to the non-display state, the shielding assembly 12 is driven to rotate by the rotary driving positioning assembly 13 to avoid, and then the shielding assembly 12 and the rotary driving positioning assembly are lowered and stored into the hollow frame body 30 by the lifting movable assembly 11.

As can be appreciated, after the shielding assembly 12 and the rotary driving positioning assembly 13 are lifted by the lifting movable assembly 11 to extend out of the hollow frame 30, the shielding unit 121 of the shielding assembly 12 is positioned above the commercial building and covers the commercial building when the shielding assembly 12 is in the rotary unfolded state; in the rotated dodged position of the screen assembly 12, the screen assembly 12 is positioned vertically and laterally of the commercial building. Wherein, the vertical movement means movement along the height direction of the lifting moving 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 by the telescopic movement of the telescopic rod; the lifting movable assembly 11 can also be a screw transmission part, and the shielding assembly 12 and the rotary driving positioning assembly 13 are driven to vertically move by the rotation of the screw transmission part.

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 moving assembly 11, the rotating shaft 122 is horizontally arranged, 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 outwards and is bent, and the rotating driving positioning assembly 13 is used for driving the rotating shaft 122 to rotate around the axis line thereof and performing angular positioning on the rotating shaft 122. In the invention, the rotation driving positioning assembly 13 drives the rotating shaft 122 to rotate around the axis line thereof, so that the shielding unit 121 rotates and positions by taking the rotating shaft 122 as a fulcrum, and further the shielding unit 121 synchronously rotates around the axis line of the rotating shaft 122 to rotate and unfold or rotate to avoid.

Further, in order to fixedly connect the shielding unit 121 with the rotation shaft 122, the first side of the shielding unit 121 is welded or fixedly connected with the rotation shaft 122 through a jackscrew.

Referring to fig. 11, further, the rotary driving positioning assembly 13 includes a rotary motor 131 disposed on the lifting moving assembly 11, a driving wheel disposed on an output end of the rotary motor 131, a driven wheel sleeved on the rotating shaft 122 and circumferentially and limitedly connected with the rotating shaft 122, and a driving rack 132 for driving and connecting the driving wheel and the driven wheel. The driving wheel is driven to rotate through the operation of the rotary motor 131, and under the transmission action of the transmission rack 132, the driven wheel synchronously rotates along with the driving wheel, so that the rotating shaft 122 rotates around the axis line of the driven wheel to drive the shielding unit 121 to rotate and unfold or rotate to avoid.

Referring to fig. 12 and 13 again, further, the shielding unit 121 includes a first cover plate portion 1211, a second cover plate portion 1212, and a folding driving motor 1213, wherein a first side of the first cover plate portion is sleeved on the rotating shaft 122 and is fixedly connected with the rotating shaft 122, the second cover plate portion is rotatably disposed on a second side of the first cover plate portion, and the folding driving motor 1213 is used for driving the second cover plate portion to rotate around the first cover plate portion and perform angular positioning on the rotated second cover plate portion, so that the second cover plate portion is rotatably laid out on a vertical plane and is flush with the first cover plate portion or rotatably folded on the first cover plate portion on a vertical plane to be overlapped. In the invention, by arranging the shielding unit 121 to comprise the first cover plate part, the second cover plate part and the folding driving motor 1213, the height space occupied by the shielding unit 121 when not in use (storage) is reduced, in particular, when the sand table model needs to be switched to the display state, the shielding component 12 and the rotary driving positioning component 13 are lifted by the lifting movable component 11 and extend out of the hollow frame body 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 state needs to be switched to the non-display state, the second cover plate part is driven to rotate and overlap with the first cover plate part through the folding driving motor 1213, and the shielding assembly 12 and the rotary driving positioning assembly 13 are driven to descend and accommodated in the hollow frame body 30 through the lifting movable assembly 11.

Further, the second apron portion includes extension apron, is used for supporting the stiffening rib of extension apron and builds in the connecting axle on the stiffening rib, and first apron portion includes the basis apron and is used for supporting the basis support of basis apron, and the basis support is L shape, and the first side cover of basis support is located on the pivot 122 and with pivot 122 fixed connection, the second side of basis support is used for supporting the connecting axle and makes the connecting axle rotationally set up, sets for folding motor's stiff end and fixes on the basis support to make folding motor's output pass through the shaft coupling and be connected with the connecting axle, through folding motor drive connecting axle rotation and then drive extension apron and rotate around the basis apron and make extension apron rotatory spread or rotatory folding.

Further, the foundation cover plate and/or the extension cover plate are/is provided with lightening holes. It can be understood that the lightening holes can be waist-shaped holes distributed along the length direction of the extension cover plate, or waist-shaped holes distributed along the width direction of the extension cover plate, and two adjacent waist-shaped holes are arranged in a staggered manner. The rotation of the extension cover plate to be unfolded or rotated to be closed by the folding driving motor 1213 is facilitated by providing the weight reducing hole to reduce the weight of the extension cover plate.

Referring to fig. 10 and 11, more preferably, the lifting moving assembly 11 includes a mounting base frame 111, a lifting driving unit 112, a screw transmission unit 113 and a horizontal rack 114, the mounting base frame 111 is fixedly disposed on the hollow frame 30, 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 for supporting the horizontal rack 114 together, the lifting driving unit 112 is used for driving the two screw transmission units 113 to synchronously lift so as to drive the horizontal rack 114 to vertically move and vertically position the moved horizontal rack 114, a supporting seat is disposed on the horizontal rack 114, and the two supporting seats are relatively disposed on the horizontal rack 114 and used for supporting the rotating shaft 122. Specifically, the rotary driving positioning assembly 13 is disposed on the horizontal rack 114, two screw driving units 113 are used for supporting the horizontal rack 114 from two sides of the horizontal rack 114, and the bearing seat is adopted as the bearing seat.

More preferably, the screw driving unit 113 comprises a driving screw 1131 and a driving lifting slider 1132 which are connected through screw thread fit, the driving screw 1131 is vertically arranged, the driving lifting slider 1132 is horizontally arranged, the driving lifting slider 1132 is arranged on the driving screw 1131, the driving screw 1131 is arranged on the mounting base frame 111, the driving slider is fixedly connected with the horizontal placing frame 114, and the lifting driving unit 112 is used for driving all the driving screws 1131 to synchronously rotate, so that the driving screw 1131 drives the driving lifting slider 1132 to vertically move.

More preferably, the lifting driving unit 112 comprises a rotating motor 1121 and a transmission bar 1122, the output end of the rotating motor 1121 is provided with a main gear, the input end of each transmission screw 1131 is provided with a slave gear, all the slave gears are in transmission connection with the main gear through the transmission bar 1122, and all the slave gears are driven to synchronously rotate through the main gear.

Preferably, the master gear is used to tension the drive strip 1122 between the various slave gears.

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

Further, both sides of the hollow frame 31 are provided with sliding grooves, the sliding grooves are distributed along the length direction of the hollow frame 31, both sides of the road surface configuration mechanism 20 are provided with corresponding sliding rails, and the road surface configuration mechanism is slidably arranged on the hollow frame 31 through matching of the sliding rails and the sliding grooves.

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

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

It will be appreciated that the vertical movement of the present invention refers to movement in the height direction of the bracket assembly 21. The vertical movable assembly 22 can be a telescopic rod, and the mounting support plate 23 is driven to move vertically through telescopic movement of the telescopic rod; the vertical movable assembly 22 can also be a screw rod transmission part, and the installation support plate 23 is driven to move vertically through the rotation of the screw rod transmission part.

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

More preferably, the vertical movable assembly 22 comprises electric telescopic units, the two electric telescopic units are respectively arranged at two sides of the bracket assembly 21 to prop the mounting support plate 23 from two sides of the mounting 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 mounting support plate 23 to vertically move. Optionally, the electric telescopic unit comprises an electric telescopic rod.

Referring to fig. 14 again, more 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 surface perpendicular to the side frame 211, and 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 are disposed in one-to-one correspondence with the extension frames 212. Alternatively, the side frames 211 and the extension frames 212 are fixedly connected through bolts, the vertical movable assemblies 22 and the extension frames 212 are fixedly connected through bolts, and the mounting support plates 23 and the vertical movable assemblies 22 are fixedly connected through bolts. Specifically, the mounting support plate 23 moves vertically and is then accommodated in the hollow frame structure or positioned outside the hollow frame structure, so as to adjust the display height of the mounting support plate 23 or hide the mounting support plate 23 in the inner cavity of the bracket assembly 21.

More preferably, the side frames 211 are disposed at one end of the extension frames 212 facing the reaction frame 32, and the two extension frames 212 and the side frames 211 are combined to form a hollow frame structure with a single-side opening, and the opening degree of the hollow frame structure is set away from the reaction frame 32 so as to avoid the shielding assembly 12 when the shielding assembly 12 is stored. Specifically, the fixed end of the translation driving member 33 is fixedly connected with the reaction frame 32, and the movable end of the translation driving member 33 is fixedly connected with the side frame.

More preferably, the installation end of the screw transmission unit 221 is mounted on the corresponding extension frame 212, and the movable end of the screw transmission unit 221 extends into the inner cavity of the bracket assembly 21 and is fixedly connected with the corresponding end of the installation support plate 23. It will be appreciated that in the present invention, the movable end of the vertical movable assembly 22 is bent inward and then extends vertically upward and is fixedly connected to the mounting bracket 23.

Referring to fig. 15 and 16 again, more preferably, the screw driving unit 221 includes a driving screw 2211 and a road lifting slide block 2212 connected by screw thread, the driving screw 2211 is vertically arranged, the road lifting slide block 2212 is horizontally arranged, the installation end of the driving screw 2211 is rotatably installed on the corresponding extension frame 212, the movable end of the driving screw 2211 is provided with the road lifting slide block 2212, the road lifting slide block 2212 extends into the inner cavity of the bracket assembly 21 and is fixedly connected with the corresponding installation support plate 23, and the rotary driving unit 222 is used for driving all the driving screws 2211 to synchronously rotate, so as to further drive all the road lifting slide blocks 2212 to synchronously move vertically. Optionally, the extension frame 212 includes two connection angle irons arranged at intervals along the height direction of the bracket assembly 21, the transmission screw 2211 is vertically arranged and arranged between the two connection angle irons, and the road surface lifting slide 2212 is in threaded fit with the transmission screw 2211 and vertically reciprocates between the two connection angle irons.

More preferably, in order to improve the bearing performance of the mounting support plate 23, each extension frame 212 is provided with a plurality of transmission screw rods 2211 in threaded fit with corresponding road surface lifting sliding blocks 2212, the rotary driving unit 222 comprises a rotary driving motor 2221 and a transmission chain 2222, the rotary driving motor 2221 is fixedly arranged on the side frame 211, the output end of the rotary driving motor 2221 is provided with a driving gear, the input end of each transmission screw rod 2211 passes through the bottom surface of the extension frame 212 to be 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 synchronously rotate. Optionally, two transmission screws 2211 are disposed on each extension frame 212, and two transmission screws 2211 on the same extension frame 212 are in threaded fit connection with corresponding road lifting slide blocks 2212 at the same time.

More preferably, the driving gears are disposed on a side of the side frame 211 away from the extension frame 212, so that the transmission chain 2222 is tensioned between the driving gears and each of the transmission gears. More preferably, a tensioning wheel is disposed on the bottom surface of each extension frame 212, the tensioning wheel is disposed on the opposite near sides of the two extension frames 212, and the driving gear, the driven gear and the tensioning wheel are in driving connection by the driving connection.

More preferably, the upper surface of the mounting bracket 23 is adhered with a sticker having a pavement marker.

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

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 be unfolded rotationally so as to shield the commercial building, at this time, the shielding assembly 12 is located at the lateral side 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 is flush with the foundation of the commercial building, so that the integrity of the commercial building is ensured in the non-display state, and the appearance of the commercial building is convenient to observe.

Specifically, the lifting movable assembly 11 of the shielding mechanism 10 is lifted to an upper limit, 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 in a rotary mode; the pavement arrangement mechanism 20 is driven to be integrally arranged close to the commercial building by the translation driving piece 33, and the mounting support plate 23 is driven to be lifted by the vertical movable assembly 22 of the pavement arrangement mechanism 20 so as to enable the pavement marker and the commercial building foundation to be level.

Referring to fig. 3, the vertical movable assembly 22 of the pavement allocation mechanism 20 works to drive the mounting support plate 23 to descend, so that the pavement marker of the sand table model is lowered below the surface of the model chassis, and at the moment, the mounting support plate 23 does not interfere with the surface of the model chassis at one side of the pavement allocation mechanism 20 when horizontally moving along the length direction of the hollow frame 31, so that barrier removal work is performed for horizontal movement; referring to fig. 4, the horizontal movement driving member 33 works to drive the road surface configuration mechanism 20 to horizontally move along the length direction of the hollow frame 31 to approach the reaction frame 32, so that the road surface mark of the sand table model is hidden and the yielding position is given to the action of the shielding mechanism 10, and then when the road surface configuration mechanism 20 moves to a position close to the reaction frame 32, an avoidance space required for rotating and lifting the shielding assembly 12 is formed.

Referring to fig. 5, the shielding component 12 and the rotary driving positioning component 13 are both arranged on the lifting moving component 11, and the shielding component 12 is driven to rotate around the connecting axis of the shielding component 12 and the lifting moving component 11 by the rotary driving positioning component 13 until the shielding component 12 rotates on a vertical plane to avoid to the lateral direction of the lifting moving component 11, and at the moment, the shielding component 12 rotates on the vertical plane to avoid so as to display a commercial building; referring to fig. 6, in order to further save the space occupied by the shielding assembly 12 when being stored, the folding driving motor 1213 works to drive the rotating shaft 122 to rotate around the axis line thereof and to perform angular positioning on the rotating shaft 122, the folding driving motor 1213 drives the second cover plate portion to rotate and overlap with the first cover plate portion, and the second cover plate portion and the first cover plate portion are folded to reduce the height value of the shielding assembly 12 when storing the shielding assembly 12, so that the shielding assembly 12 is smoothly contained in the hollow frame 31 after being lowered along with the lifting moving assembly 11; referring to fig. 7, the lifting moving assembly 11 operates to drive the shielding assembly 12 and the rotary driving positioning assembly 13 to synchronously descend and be accommodated in the hollow frame 30.

Referring to fig. 8, the horizontal movement driving member 33 is operated again to drive the road surface configuration mechanism 20 to horizontally move along the length direction of the hollow frame 31 and away from the reaction frame 32, and when the bracket assembly 21 of the road surface configuration mechanism 20 moves to approach the commercial building, the shielding mechanism 10 is accommodated in the road surface configuration mechanism 20 and the hollow frame 31. Specifically, the side wall frames are disposed close to the reaction frame 32, and the two extension frames 212 and the side frame 211 are combined to form a hollow frame structure having a single-side opening for 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 pavement allocation mechanism 20, the pavement allocation mechanism 20 is disposed close to the commercial building, and the vertical movable assembly 22 of the pavement allocation mechanism 20 drives the mounting support plate 23 to rise and be flush with the base of the commercial building, so that the commercial building is completely displayed in the display state, and the interference of the shielding mechanism 10 is avoided, thereby facilitating the 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, and can dynamically display the switching process, thereby improving the ornamental fun 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 situation that the traditional ejector rods are inserted from bottom to top to knock up the top cover from the inside of a business to damage the internal structure, so that the whole inside of the business is redundant is avoided, the situation that the traditional ejector rods push up the top cover of the business to be lifted into a display state, the sight is blocked when the traditional ejector rods are watched in the vertical direction, and the technical problems of inconvenience in overlooking and visiting when the traditional sand table is insufficient in empty space are avoided.

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

Claims (7)

1. The sand table model display device is characterized by comprising a hollow frame body, a pavement allocation mechanism and a shielding mechanism, wherein the pavement allocation mechanism and the shielding mechanism can be accommodated in the hollow frame body, the pavement allocation 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 vertically and movably arranged, the shielding assembly and the rotary driving positioning assembly are respectively arranged on the movable end of the lifting movable assembly, the shielding assembly is rotatably arranged around the lifting movable assembly, and the rotary driving positioning assembly is used for driving the shielding assembly to rotate in the vertical direction and perform angular positioning on the rotated shielding assembly, so that the shielding assembly is rotatably unfolded in the vertical plane to shield a commercial building or the shielding assembly is rotatably unfolded in the vertical plane to display the commercial building, and the pavement allocation mechanism is movably arranged on the hollow frame body along the length direction of the hollow frame body to adjust the position of the displaying pavement allocation and provide the required lifting and shielding assembly to be rotatably arranged;

the shielding assembly comprises a shielding unit and a rotating shaft, the rotating shaft is rotatably supported on the lifting movable assembly, the rotating shaft is horizontally arranged, a first side of the shielding unit is sleeved on the rotating shaft and is fixedly connected with the rotating shaft, a second side of the shielding unit extends outwards and is bent, and the rotary driving positioning assembly is used for driving the rotating shaft to rotate around the axis line of the rotating shaft and positioning the rotating shaft in an angular direction;

the shielding unit comprises a first cover plate part, a second cover plate part and a folding driving motor, wherein the first side of the first cover plate part is sleeved on the rotating shaft and fixedly connected with the rotating shaft, the second cover plate part is rotatably arranged on the second side of the first cover plate part, and the folding driving motor is used for driving the second cover plate part to rotate around the first cover plate part and carrying out angular positioning on the rotated second cover plate part so that the second cover plate part is rotationally spread on a vertical plane and is arranged flush with the first cover plate part or rotationally folded on the first cover plate part on a vertical plane to be overlapped;

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

the fixed end of the folding motor is fixed on the foundation bracket, the output end of the folding motor is connected with the connecting shaft through the coupler, and the connecting shaft is driven to rotate by the folding motor so as to drive the extension cover plate to rotate around the foundation cover plate to enable the extension cover plate to be unfolded in a rotating mode or folded in a rotating mode.

2. The sand table model display device of claim 1, wherein the first side of the shielding unit is welded to the rotating shaft or fixedly connected by a jackscrew.

3. The sand table model display device according to claim 1, wherein the rotary driving positioning assembly comprises a rotary motor arranged on the lifting movable assembly, a driving wheel arranged on an output end of the rotary motor, a driven wheel sleeved on the rotating shaft and in circumferential limit connection with the rotating shaft, and a transmission rack used for connecting the driving wheel and the driven wheel in a transmission manner.

4. The sand table model display device according to claim 1, wherein the hollow frame body comprises a hollow frame, a reaction frame and a translation 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, far away from the reaction frame, of the pavement configuration mechanism, 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 vertically movably arranged to drive the shielding assembly and the rotation driving positioning assembly to move and extend out of the hollow frame body or be accommodated in the hollow frame body, the pavement configuration mechanism is movably arranged on the hollow frame body along the length direction of the hollow frame body, the fixed end of the translation driving piece is fixedly connected with the reaction frame, and the movable end of the translation driving piece is fixedly connected with the pavement configuration mechanism.

5. The sand table model display device of claim 4, wherein 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 in two sides of the pavement allocation mechanism, and the pavement allocation structure is slidably arranged on the hollow frame through cooperation of the sliding rails and the sliding grooves.

6. The sand table model display device of claim 4, wherein the pavement allocation mechanism comprises a bracket assembly, a vertical movable assembly and an installation support plate which can be accommodated in the bracket assembly, the bracket assembly is of a hollow frame type structure, the bracket assembly is slidably arranged on the hollow frame along the length direction of the hollow frame, the installation end of the vertical movable assembly is arranged on the bracket assembly, the movable end of the vertical movable assembly props against the installation support plate, and the movable end of the vertical movable assembly drives the installation support plate to move vertically along the vertical movement so that the installation support plate is positioned at different height positions to adjust the pavement allocation height.

7. The sand table model display device of claim 6, wherein the installation support 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 bracket assembly to jointly prop the installation support plate, 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 vertically move through the screw rod transmission unit.