An exhibition stand

Abstract

The application relates to an exhibition display platform, belonging to the technical field of display platforms, which comprises an exhibition platform and an exhibition seat, a plurality of hydraulic cylinders for driving the exhibition platform to tilt are symmetrically arranged below the exhibition platform, the hydraulic cylinders are vertically arranged, the top of the hydraulic cylinders is hinged to the bottom of the exhibition platform, and the hinge shafts of the hydraulic cylinders are horizontally arranged; the exhibition seat is rotationally arranged on the exhibition platform, and the rotating shaft of the exhibition seat coincides with the vertical central axis of the exhibition platform. The application has the effect that exhibition personnel with different heights can fully observe the exhibits.

Description

Technical Field

[0001] The present application relates to the technical field of display stands, and in particular to an exhibition display stand. Background Art

[0002] At current exhibitions, major companies or manufacturers will set up their own exhibition booths and display their products on the booths.

[0003] The current exhibition display stand is a fixed table top on which products are placed for display. Customers walk around the display stand in a circle to observe all the products on the table.

[0004] The heights of customers who observe the items on the display stand vary, and exhibitions with different themes involve different groups of exhibitors. Teenagers are generally short in height, and for exhibitors of different heights, the products on the display stand will remain on the display stand, resulting in the exhibitors being unable to fully observe the exhibits. Summary of the Invention

[0005] In order to enable exhibitors of different heights to fully observe the exhibits, the present application provides an exhibition display stand.

[0006] The exhibition display stand provided in this application adopts the following technical solution:

[0007] An exhibition display stand includes an exhibition plate and an exhibition stand. A plurality of hydraulic cylinders are symmetrically arranged below the exhibition plate and cooperate with each other to drive the exhibition plate to tilt. The hydraulic cylinders are arranged vertically, and the tops of the hydraulic cylinders are hinged to the bottom of the exhibition plate, and the hinge axes of the hydraulic cylinders are arranged horizontally; the exhibition stand is rotatably arranged on the exhibition plate, and the rotation axis of the exhibition stand coincides with the vertical central axis of the exhibition plate.

[0008] By adopting the above technical solution, a plurality of hydraulic cylinders cooperate to create an inclination angle between the exhibition plate and the horizontal plane, thereby changing the vertical height position of the exhibits on the exhibition plate, that is, one end of the exhibition plate is lower than the other end. At the same time, the exhibition stand can be rotated on the exhibition stand, and the exhibits are placed on the exhibition stand. In this way, exhibitors, regardless of their height, can find a suitable height to observe the exhibits. At the same time, exhibitors do not need to move around, and the exhibits will automatically rotate in front of them for easy observation.

[0009] Optionally, the display plate and the display seat are both annular, and a center column is provided in the middle of the display plate, and the central axis of the center column coincides with the central axis of the display plate; an adjusting tube is provided between the center column and the display plate, one end of the adjusting tube is fixedly connected to the circumferential inner wall of the display plate, and the other end passes through the interior of the center column, and a ring gear, a motor and a first gear are provided inside the center column, the motor is fixed inside the center column, the first gear is provided on the rotating shaft of the motor and rotates with the rotating shaft of the motor, the ring gear ring is fixed on the outer wall of the adjusting tube, and the first gear is engaged with the ring gear; the adjusting tube rotates relative to the center column.

[0010] By adopting the technical scheme, the central column cooperates with the adjusting pipe to provide a stable support structure for the display stand, the motor is started, the motor drives the adjusting pipe to rotate through cooperation of the first gear and the gear ring, and finally the display stand is tilted, the operation is simple and convenient, and the central column also provides a concealed fixing position for placement of the motor and other structures.

[0011] Optionally, the display seat is fixed with a rack at the bottom of the display seat; the adjusting pipe is provided with an adjusting rod, the central axis of the adjusting rod coincides with the central axis of the adjusting pipe, and the end of the adjusting rod extends into the display seat; the rotating shaft of the motor is provided with a second gear that rotates synchronously with the motor; the adjusting rod is fixed with a third gear and a fourth gear, the fourth gear is engaged with the rack, the adjusting pipe is provided with an adjusting hole, the length direction of the adjusting hole is along the length direction of the adjusting pipe, the edge of the second gear is engaged with the third gear through the adjusting hole; the engagement state of the first gear and the gear ring is different from the engagement state of the second gear and the third gear.

[0012] By adopting the technical scheme, the motor is started, the positions of the second gear and the first gear are adjusted, the second gear is engaged with the third gear, and the first gear is not engaged with the gear ring, the motor drives the fourth gear to rotate through the adjusting rod, and the motor starts to drive the display seat to rotate due to the existence of the rack, and the motor resources are fully utilized.

[0013] Optionally, the central column is fixed with a gas cylinder, the piston end of the gas cylinder is arranged along the length direction of the adjusting pipe, the piston end of the gas cylinder is fixed with a limiting rod, the end of the limiting rod away from the gas cylinder is slidably connected with the side wall of the first gear, the sliding path of the end of the limiting rod on the side wall of the first gear is circular and the center of the circle coincides with the central axis of the first gear, the limiting rod is opposite to the space between the adjacent teeth of the gear ring along the length direction of the adjusting pipe, the first gear is fixedly connected with the second gear, and the first gear and the second gear are slidably connected with the rotating shaft of the motor along the length direction of the adjusting pipe.

[0014] By adopting the technical scheme, when the display stand is adjusted to a proper inclination angle through engagement of the first gear and the gear ring, the gas cylinder is started, the first gear and the second gear are pushed along the length direction of the adjusting pipe, the first gear is separated from the gear ring, and the limiting rod is inserted into the gear ring, that is, the limiting rod is inserted between the adjacent teeth of the gear ring, thereby limiting the gear ring, ensuring the stability of the display stand after the adjustment, and ensuring the adjustment of the positions of the first gear and the second gear.

[0015] Optionally, the inner wall of the display stand is fixed with a convex rib, the convex rib is arranged around the inner wall of the display stand, the convex rib is below the display seat, a ball is rotatably arranged on the convex rib, the ball rotates relative to the convex rib, and the ball rolls against the bottom of the display seat.

[0016] By adopting the above technical solution, the ridges cooperate with the balls to support the stand. At the same time, the presence of the balls reduces the friction generated when the stand rotates relative to the display plate, making the stand rotate more smoothly.

[0017] Optionally, the interior of the exhibition tray is hollow and the top is open, the exhibition seat is located in the exhibition tray, and a plurality of balancing grooves are provided on the top of the exhibition seat, with the openings of the balancing grooves facing upward, and adjacent balancing grooves are spaced apart along the circumference of the exhibition seat. A display stand is rotatably provided on the exhibition seat, and the display stands are provided corresponding to the number of balancing grooves. The exhibition stand is located in the balancing groove, and a horizontal bubble column for measuring the horizontality is slidingly provided on the top surface of the exhibition stand, and the sliding direction of the horizontal bubble column is along the direction of approaching or moving away from the inner wall of the balancing groove, and a plurality of sockets are provided on the inner wall of the balancing groove, and the ends of the horizontal bubble columns are inserted into the corresponding sockets.

[0018] By adopting the above technical solution, the opening of the balance groove provides space for the booth to rotate, and the horizontal bubble column can observe whether the top surface of the booth is horizontal. When the display plate is adjusted to a tilted state, in order to ensure the stable placement of the exhibits and the best viewing posture of the exhibits, the booth is adjusted to a horizontal state by rotating the booth; the horizontal bubble column not only serves as a measuring device but also as a locking device. The end of the horizontal bubble column is inserted into the corresponding socket to fix the position of the booth.

[0019] Optionally, the interior of the center column is hollow, and a supporting platform is rotatably arranged inside the center column. The rotating axis of the supporting platform coincides with the central axis of the center column. The position above the middle of the center column itself is transparent. A connecting rod is fixed to the bottom of the supporting platform. The center line of the connecting rod coincides with the center line of the supporting platform. A fifth gear is fixed on the connecting rod. A sixth gear is fixed to the end of the rotating shaft of the motor, and the sixth gear is engaged with the fifth gear.

[0020] By adopting the above technical solution, the presence of the supporting platform, on the one hand, fully utilizes the central column and provides a place for exhibits to be placed again; on the other hand, it fully utilizes the motor and reduces the waste of resources.

[0021] Optionally, a rubber strip is fixed to the edge of the top opening of the display tray, and the rubber strip is arranged around the shape of the display tray.

[0022] By adopting the above technical solution, the setting of the rubber strip can, on the one hand, make the edge of the rubber strip contact the side wall of the booth after the booth rotates relative to the booth seat, which can further reduce the shaking of the booth and ensure the stability of the booth. On the other hand, the setting of the rubber table can shield the rotation of the booth seat relative to the exhibition plate, preventing the hair of exhibitors from being caught in it.

[0023] Optionally, the diameter of the fifth gear is greater than the diameter of the sixth gear, and the diameter of the sixth gear is smaller than the diameter of the fourth gear.

[0024] By adopting the above technical solution and limiting the diameters of the fifth gear, the sixth gear and the fourth gear, the supporting platform can rotate slowly. When special exhibits are placed on the supporting platform, the slow rotation speed can fully display them to exhibitors.

[0025] Optionally, a plurality of telescopic rods cooperating with the hydraulic cylinder to support the exhibition tray are provided at the bottom of the exhibition tray, and the telescopic rods have a damping effect.

[0026] By adopting the above technical solution, the multiple telescopic rods with damping effect can further stabilize the display panel.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. Through the cooperation of multiple hydraulic cylinders, the exhibition tray is tilted at an angle to the horizontal plane, so that the vertical height of the exhibits on the exhibition tray changes, that is, the exhibition tray is lower at one end and higher at the other end. At the same time, the exhibition stand can rotate on the stand, and the exhibits are placed on the stand. In this way, exhibitors of all heights can find a suitable height to observe the exhibits. At the same time, exhibitors do not need to move around, and the exhibits will automatically rotate in front of them for easy observation.

[0029] 2. The motor can drive the display panel to tilt, the motor can drive the display stand to rotate, and the motor can also drive the bearing platform to rotate, which fully utilizes the motor and reduces the waste of resources;

[0030] 3. The rotation of the booth relative to the booth, combined with the horizontal bubble columns, ensures the exhibition posture of the exhibits. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural diagram of an embodiment of the present application;

[0032] Figure 2 is a vertical structural cross-sectional view of an embodiment of the present application;

[0033] Figure 3 yes Figure 2 A partial enlarged schematic diagram of part A;

[0034] Figure 4 yes Figure 2 A partial enlarged schematic diagram of part B.

[0035] In the figure, 1. display plate; 11. hydraulic cylinder; 12. ridge; 13. ball bearing; 2. display base; 21. rack; 22. balance groove; 3. center column; 31. motor; 32. ring gear; 33. first gear; 34. second gear; 35. sixth gear; 4. adjusting tube; 41. adjusting rod; 42. adjusting hole; 43. third gear; 44. fourth gear; 5. cylinder; 51. limit rod; 6. display stand; 61. horizontal bubble column; 7. supporting platform; 71. connecting rod; 72. fifth gear; 8. telescopic rod. DETAILED DESCRIPTION

[0036] The following is combined with Figures 1-4 This application is described in further detail.

[0037] The embodiment of the present application discloses an exhibition display stand.

[0038] refer to Figure 1 An exhibition display stand includes an exhibition tray 1, an exhibition stand 2, and a center column 3. Both the exhibition tray 1 and the exhibition stand 2 are annular. The center column 3 is located at the center of the exhibition tray 1, and the vertical center axis of the center column 3 coincides with the center axis of the exhibition tray 1. The exhibition stand 2 is rotatably mounted on the exhibition tray 1, and the rotation axis of the exhibition stand 2 coincides with the center axis of the exhibition tray 1, that is, the exhibition stand 2 rotates relative to the exhibition tray 1. The exhibition tray 1 is rotatably connected to the center column 3, and the rotation axis of the exhibition tray 1 is arranged in the horizontal direction.

[0039] refer to Figures 1-4 Below the display panel 1 are multiple telescopic rods 8 and multiple hydraulic cylinders 11. In this embodiment, two hydraulic cylinders 11 are provided, symmetrically arranged at the bottom of the display panel 1. The hydraulic cylinders 11 are arranged vertically, with the bottoms of the hydraulic cylinders 11 placed on the ground or fixed to the ground. The tops of the hydraulic cylinders 11 are hinged to the bottom of the display panel 1, and the hinge axes of the hydraulic cylinders 11 are arranged horizontally. An adjustment tube 4 is provided between the center column 3 and the display panel 1. The adjustment tube 4 is rotatably mounted on the center column 3, and the rotation axis of the adjustment tube 4 is arranged parallel to the hinge axis of the hydraulic cylinder 11. One end of the adjustment tube 4 is fixedly connected to the inner wall of the display panel 1, and the other end extends into the interior of the center column 3. A motor 31 is provided inside the center column 3 to drive the adjustment tube 4 to rotate, thereby driving the display panel 1 to a tilted state. The hydraulic cylinders 11 provide auxiliary power for the adjustment of the display panel 1 and also provide support for the display panel 1. The telescopic rod 8 uses a telescopic rod 8 with damping capacity, such as a gas spring or a hydraulic damping rod. The telescopic rod 8 is vertically arranged with the bottom end placed on the ground, and the top end is hinged to the bottom of the display plate 1. The hinge axis of the telescopic rod 8 is parallel to the hinge axis of the hydraulic cylinder 11. The telescopic rod 8 plays the role of auxiliary support of the display plate 1.

[0040] refer to Figure 2 and Figure 3The display tray 1 is hollow and open at the top. A rubber strip is fixed to the display tray 1, located at the edge of the opening and extending along the entire perimeter of the display tray 1. Ribs 12 are fixed to the inner wall of the display tray 1. Ribs 12 are distributed on the vertical inner walls on both sides of the display tray 1 and extend along the inner wall of the display tray 1. Ball bearings 13 are rotatably mounted on the ribs 12, rotating relative to the ribs 12. There are multiple balls 13, with adjacent balls 13 spaced apart along the length of the ribs 12. The display stand 2 is located within the display tray 1, with its bottom resting on the balls 13. The balls 13 roll against the bottom of the stand 2, reducing friction generated when the stand 2 rotates relative to the display tray 1.

[0041] refer to Figure 2 and Figure 3 The exhibition stand 2 is provided with a balancing groove 22, with the groove opening facing upward. Multiple balancing grooves 22 are provided, and adjacent balancing grooves 22 are spaced apart along the length of the exhibition stand 2. A display stand 6 is rotatably mounted within the balancing groove 22, with the number of display stands 6 corresponding to the number of balancing grooves 22. The rotation axis of the display stand 6 is horizontally positioned, and a horizontal bubble column 61 is slidably mounted on the top surface of the display stand 6. When the bubble in the horizontal bubble column 61 is centered, the top surface of the display stand 6 is horizontal. If the display tray 1 tilts, the display stand 6 is rotated to maintain its horizontal state. Multiple sockets are provided in the wall of the balancing groove 22. When the display stand 6 is level, the horizontal bubble column 61 is inserted into the corresponding sockets.

[0042] refer to Figure 2 、 Figure 3 and Figure 4 The interior of the central column 3 is hollow, and the motor 31 is fixed on the inner wall of the central column 3. The direction of the rotating axis of the motor 31 is arranged along the length direction of the adjusting tube 4. The first gear 33, the second gear 34 and the sixth gear 35 are provided on the rotating axis of the motor 31. The first gear 33 and the second gear 34 are arranged adjacent to each other and the side walls are fixed to each other. The first gear 33 and the second gear 34 can rotate along the rotating axis of the motor 31 but can also slide along the length direction of the rotating axis of the motor 31, that is, a convex strip is provided on the rotating axis of the motor 31, or the cross-section of the rotating axis of the motor 31 is non-circular, so that the first gear 33 and the second gear 34 can slide on the rotating axis of the motor 31 without affecting the synchronous rotation following the start of the motor 31.

[0043] refer to Figure 2 、 Figure 3 and Figure 4A ring gear 32 is fixed to the outer wall of the adjustment tube 4 in a ring sleeve, and the first gear 33 is meshed with the ring gear 32. An adjustment hole 42 is provided on the adjustment tube 4, and the length direction of the adjustment hole 42 is opened along the length direction of the adjustment tube 4, and the adjustment hole 42 is arranged adjacent to the ring gear 32. An adjustment rod 41 is provided in the adjustment tube 4, and the central axis of the adjustment rod 41 coincides with the central axis of the adjustment tube 4. The end of the adjustment rod 41 extends into the interior of the exhibition stand 2. A third gear 43 and a fourth gear 44 are fixed on the adjustment rod 41. A rack 21 is fixed to the bottom of the exhibition stand 2. The rack 21 is arranged around the bottom of the exhibition stand 2. The fourth gear 44 is meshed with the rack 21, and the edge of the second gear 34 is meshed with the third gear 43 through the adjustment hole 42; when the first gear 33 and the ring gear 32 are in meshing state, the second gear 34 and the third gear 43 are in a separated state; when the second gear 34 and the third gear 43 are in meshing state, the first gear 33 and the ring gear 32 are in a separated state.

[0044] refer to Figure 2 、 Figure 3 and Figure 4 , a cylinder 5 is provided next to the motor 31, and the cylinder 5 is fixed on the inner wall of the center column 3. The piston end of the cylinder 5 is arranged along the length direction of the adjusting tube 4. The piston end of the cylinder 5 is fixed with a limiting rod 51. The limiting rod 51 is away from one end of the cylinder 5 and is slidably connected to the side wall of the first gear 33. The sliding path of the end of the limiting rod 51 on the side wall of the first gear 33 is circular and the center of the circle coincides with the central axis of the first gear 33. The limiting rod 51 is directly opposite to the adjacent teeth of the ring gear 32 along the length direction of the adjusting tube 4. When the cylinder 5 is started, the limiting rod 51 pushes the first gear 33 to slide, so that the first gear 33 is separated from the ring gear 32, and the second gear 34 is meshed with the third gear 43. When the first gear 33 is separated from the ring gear 32, the limiting rod 51 is inserted between the adjacent teeth of the ring gear 32. At this time, the limiting rod 51 plays a limiting role on the ring gear 32. The limiting rod 51 can be in the form of a sheet or a stepped limiting rod 51 so that the limiting rod 51 can slide to limit the gear ring 32 without affecting the rotation of the first gear 33, that is, the stepped protrusion limits the gear ring 32.

[0045] refer to Figure 2 、 Figure 3 and Figure 4 A support platform 7 is rotatably mounted within the center column 3. The rotation axis of the support platform 7 coincides with the central axis of the center column 3. The center column 3 itself is transparent above the middle. A connecting rod 71 is fixed to the bottom of the support platform 7. The centerline of the connecting rod 71 coincides with the centerline of the support platform 7. A fifth gear 72 is fixed to the connecting rod 71. The sixth gear 35 is fixed to the end of the rotation axis of the motor 31 and meshes with the fifth gear 72. The diameter of the fifth gear 72 is larger than that of the sixth gear 35, and the diameter of the sixth gear 35 is smaller than that of the fourth gear 44.

[0046] The implementation principle of an exhibition display stand in an embodiment of the present application is as follows: start the motor 31, and through the cooperation of the motor 31 and the two hydraulic cylinders 11, an inclination angle is generated between the exhibition plate 1 and the horizontal plane, and the cylinder 5 is started to engage the third gear 43 with the second gear 34, so that the exhibition stand 2 can rotate on the exhibition stand 2, and at the same time, the supporting platform 7 also starts to rotate, and the exhibits can be placed on the exhibition stand 6 after adjusting the exhibition stand 6 to a horizontal state. This application changes the vertical height position of the exhibits on the exhibition plate 1, that is, one end of the exhibition plate 1 is lower than the other end, so that exhibitors, regardless of their height, can find a suitable height to observe the exhibits. At the same time, exhibitors do not need to move, and the exhibits will automatically rotate in front of them for easy observation by exhibitors.

[0047] The embodiments of this specific implementation method are all preferred embodiments of the present application and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An exhibition display stand, characterized by: The invention comprises an exhibition plate (1) and an exhibition stand (2), wherein a plurality of hydraulic cylinders (11) are symmetrically arranged below the exhibition plate (1) and cooperate with each other to drive the exhibition plate (1) to tilt, the hydraulic cylinders (11) are arranged vertically, the top of the hydraulic cylinders (11) is hinged to the bottom of the exhibition plate (1), and the hinge axis of the hydraulic cylinders (11) is arranged horizontally; the exhibition stand (2) is rotatably arranged on the exhibition plate (1), and the rotation axis of the exhibition stand (2) coincides with the vertical center axis of the exhibition plate (1); the exhibition plate (1) and the exhibition stand (2) are both annular, a central column (3) is arranged in the middle of the exhibition plate (1), and the center axis of the central column (3) coincides with the center axis of the exhibition plate (1); an adjustment tube (4) is arranged between the central column (3) and the exhibition plate (1), and one end of the adjustment tube (4) is connected to the exhibition plate (1). The circumferential inner wall is fixedly connected, and the other end passes through the interior of the central column (3). A gear ring (32), a motor (31) and a first gear (33) are provided inside the central column (3). The motor (31) is fixed inside the central column (3). The first gear (33) is provided on the rotating shaft of the motor (31) and rotates along the rotating shaft of the motor (31). The gear ring (32) is fixed on the outer wall of the adjustment tube (4) in an annular sleeve. The first gear (33) is meshed with the gear ring (32); the adjustment tube (4) rotates relative to the central column (3); a rack (21) is fixed on the bottom of the exhibition stand (2), and the rack (21) is provided around the bottom of the exhibition stand (2); an adjustment rod (41) is provided inside the adjustment tube (4), and the central axis of the adjustment rod (41) is aligned with the axis of the adjustment tube ( 4) the central axis coincides, the end of the adjusting rod (41) extends into the interior of the exhibition stand (2); a second gear (34) is provided on the rotating shaft of the motor (31) and rotates synchronously with the start of the motor (31); a third gear (43) and a fourth gear (44) are fixed on the adjusting rod (41); the fourth gear (44) is meshed with the rack (21); an adjusting hole (42) is provided on the adjusting tube (4); the length direction of the adjusting hole (42) is opened along the length direction of the adjusting tube (4); the edge of the second gear (34) is meshed with the third gear (43) through the adjusting hole (42); the meshing state of the first gear (33) and the gear ring (32) and the meshing state of the second gear (34) and the third gear (43) are not generated at the same time; the central column (3 ) is fixed with a cylinder (5), the piston end of the cylinder (5) is arranged along the length direction of the regulating tube (4), a limiting rod (51) is fixed to the piston end of the cylinder (5), the limiting rod (51) is slidably connected to the side wall of the first gear (33) at one end away from the cylinder (5), the sliding path of the end of the limiting rod (51) on the side wall of the first gear (33) is circular, and the center of the circle coincides with the central axis of the first gear (33), the limiting rod (51) is directly opposite to the adjacent teeth of the gear ring (32) along the length direction of the regulating tube (4), the first gear (33) and the second gear (34) are fixedly connected, the first gear (33) and the second gear (34) are both slidably connected to the rotating shaft of the motor (31), and the sliding direction is along the length direction of the regulating tube (4);The cylinder (5) is started, and the limiting rod (51) pushes the first gear (33) to slide, so that the first gear (33) is separated from the ring gear (32), and the second gear (34) is meshed with the third gear (43). When the first gear (33) is separated from the ring gear (32), the limiting rod (51) is inserted between the adjacent teeth of the ring gear (32). At this time, the limiting rod (51) plays a limiting role on the ring gear (32).

2. The exhibition display stand according to claim 1, characterized in that: A convex rib (12) is fixed on the inner wall of the display tray (1), and the convex rib (12) is arranged along the inner wall of the display tray (1). The convex rib (12) is located below the display seat (2). A ball (13) is rotatably arranged on the convex rib (12), and the ball (13) rotates relative to the convex rib (12). The ball (13) rolls and contacts the bottom of the display seat (2).

3. The exhibition display stand according to claim 2, characterized in that: The exhibition tray (1) is hollow inside and has an open top. The exhibition stand (2) is located in the exhibition tray (1). A plurality of balancing grooves (22) are provided on the top of the exhibition stand (2). The balancing grooves (22) are opened upward. Adjacent balancing grooves (22) are provided at intervals along the circumference of the exhibition stand (2). An exhibition stand (6) is rotatably provided on the exhibition stand (2). The number of exhibition stands (6) corresponds to the number of balancing grooves (22). The exhibition stand (6) is located in the balancing groove (22). A horizontal bubble column (61) for measuring horizontality is slidably provided on the top surface of the exhibition stand (6). The sliding direction of the horizontal bubble column (61) is along the direction of approaching or moving away from the inner wall of the balancing groove (22). The inner wall of the balancing groove (22) is provided with a plurality of insertion holes. The ends of the horizontal bubble columns (61) are inserted into the corresponding insertion holes.

4. The exhibition display stand according to claim 1, characterized in that: The center column (3) is hollow inside, and a bearing platform (7) is rotatably arranged inside the center column (3). The rotation axis of the bearing platform (7) coincides with the central axis of the center column (3). The center column (3) itself is transparent above the middle. A connecting rod (71) is fixed to the bottom of the bearing platform (7), and the center line of the connecting rod (71) coincides with the center line of the bearing platform (7). A fifth gear (72) is fixed on the connecting rod (71). A sixth gear (35) is fixed to the end of the rotation axis of the motor (31), and the sixth gear (35) is meshed with the fifth gear (72).

5. The exhibition display stand according to claim 3, characterized in that: A rubber strip is fixed at the edge of the top opening of the display plate (1), and the rubber strip is arranged around the shape of the display plate (1).

6. The exhibition display stand according to claim 4, characterized in that: The diameter of the fifth gear (72) is larger than the diameter of the sixth gear (35), and the diameter of the sixth gear (35) is smaller than the diameter of the fourth gear (44).

7. The exhibition display stand according to claim 1, characterized in that: The bottom of the display plate (1) is provided with a plurality of telescopic rods (8) cooperating with the hydraulic cylinder (11) to support the display plate (1), and the telescopic rods (8) have a damping effect.

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