Interactive three-dimensional multimedia exhibition device

Abstract

The invention relates to the field of three-dimensional multimedia exhibition, in particular to an interactive three-dimensional multimedia exhibition device which comprises a main display screen and auxiliary display screens rotationally arranged on the two opposite sides of the main display screen, and auxiliary rotating mechanisms are arranged between the auxiliary display screens on the two sides and the main display screen. The rotating auxiliary mechanism comprises a first rotating cylinder and a second rotating cylinder which are rotatably arranged on the two opposite sides of the main display screen, a transmission rod used for synchronous rotation of the first rotating cylinder and the second rotating cylinder, and a positive and negative motor used for driving the transmission rod. The two opposite sides of the main display screen are further provided with clamping bases used for placing and limiting the positive and negative motor. According to the auxiliary display screen, people do not need to consume too much strength when pulling the auxiliary display screen, so that the auxiliary display screen can be prevented from being damaged when the auxiliary display screen is pulled vigorously.

Description

TECHNICAL FIELD

[0001] The present application relates to an interactive three-dimensional multimedia exhibition device, belonging to the field of three-dimensional multimedia exhibition. BACKGROUND

[0002] The interactive three-dimensional multimedia exhibition device takes digital technology as the core, combines three-dimensional modeling, real-time interaction algorithm and multi-sensory presentation form, breaks through the limitation of traditional exhibition "passive watching", and changes the audience from "onlooker" to "participant".

[0003] The traditional display device is limited by the fixed size, and the expansion of the display range has a natural short board. Although the foldable display device breaks through the size constraint, in the physical operation of unfolding, excessive force or non-standard operation is easy to cause damage to the screen structure, and then causes abnormal device function and service life attenuation.

[0004] Therefore, it is urgent to improve the interactive three-dimensional multimedia exhibition device to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide an interactive three-dimensional multimedia exhibition device, which can avoid damage to the secondary display screen when the secondary display screen is moved by not consuming too much force.

[0006] To achieve the above purpose, the present application provides the following technical scheme: an interactive three-dimensional multimedia exhibition device, comprising a main display screen and a secondary display screen rotatably arranged on opposite sides of the main display screen, a rotation auxiliary mechanism is arranged between the secondary display screen and the main display screen on both sides, the rotation auxiliary mechanism comprises a first rotating cylinder and a second rotating cylinder rotatably arranged on opposite sides of the main display screen, a transmission rod for synchronous rotation of the first rotating cylinder and the second rotating cylinder, and a forward and reverse motor for driving the transmission rod, and a clamping seat for placing and limiting the forward and reverse motor is further arranged on the opposite sides of the main display screen; Wherein, the transmission rod is slidably inserted with the clamping seat, the first rotating cylinder and the second rotating cylinder, and a plurality of protruding tooth blocks are fixedly arranged on the middle and lower parts of the transmission rod, the inner side of the first rotating cylinder and the second rotating cylinder is provided with an inner tooth groove matched with the protruding tooth blocks, the top end of the transmission rod is provided with a connecting tooth opening matched with the output end of the forward and reverse motor, and a communication groove is formed on one side of the clamping seat, and the communication groove is slidably connected with the output end of the forward and reverse motor. In order to avoid the separation of the transmission rod from the device during use, the diameter of the insertion connection groove of the first rotating cylinder and the second rotating cylinder is reduced by 0.5mm, so as to increase the connection friction force between the transmission rod and the first rotating cylinder and the second rotating cylinder.

[0007] The pressure switch is provided on the frame of the secondary display screen on both sides, and the opposite sides of the pressure switch are provided with buttons for pressure application, and the pressure sensors in the two pressure switches are electrically connected with the two positive and negative motor signal receivers; the pressure sensor adopts a piezoresistive pressure sensor with a model of MPX5010DP, the output end of which is connected with the positive and negative motor signal receiver through a differential bus transceiver with a model of SN75176 to realize stable transmission of the pressure signal, and when the pressure sensor detects a pressure greater than 0.5N, a starting signal is sent to the positive and negative motor signal receiver; The self-locking clamp block comprises a rotating base limiting block, a plurality of clamp blocks rotationally connected with the rotating base limiting block, and a rotating disc for tightening the clamp blocks, a sliding cavity is formed in the rotating base limiting block, an adjusting block is slidably arranged in the sliding cavity, four prying grooves are formed in the side of the adjusting block, the sides of the plurality of clamp blocks are located in the prying grooves, the middle portions of the clamp blocks are rotationally connected with the rotating base limiting block through rotating connecting rods, a fixed nut is fixedly arranged at the axis of the adjusting block, an extension screw is slidably arranged at the axis of the adjusting block, the upper half of the extension screw is provided with external threads, the extension screw is threadedly and rotationally connected with the fixed nut through the external threads, a guide column is slidably connected to the side of the adjusting block, the guide column is also slidably connected with the extension screw, a limiting spring is sleeved outside the guide column, the ends of the limiting spring are respectively abutted against the adjusting block and the rotating base limiting block, one end of the extension screw extends to the outside of the rotating base limiting block and is fixedly connected with the rotating disc, and the self-locking clamp block clamps the rotating base rod through the clamp blocks to realize rotation locking of the main display screen.

[0008] Preferably, the frame of the main display screen and the frame of the secondary display screen on both sides are provided with mounting cavities and connecting cavities, the bottom of the first rotating cylinder and the bottom of the second rotating cylinder are rotationally provided with rotating bases, the rotating bases are fixedly connected with the mounting cavities, and the first rotating cylinder and the second rotating cylinder are rotationally connected with the mounting cavities through the rotating bases. Preferably, the outer sides of the first rotating cylinder and the second rotating cylinder are rotationally connected with connecting sleeves, the connecting sleeves are fixedly connected with the connecting cavities, the first rotating cylinder and the second rotating cylinder are rotationally connected with the mounting cavities of the main display screen through the rotating bases and are rotationally connected with the connecting cavities of the secondary display screen through the connecting sleeves, the transmission of the transmission rod is matched, the flexible rotation of the secondary display screen relative to the main display screen is realized, the rotating bases and the connecting sleeves can enhance the stability of the connection between the auxiliary mechanism and the main display screen and the secondary display screen, and the synchronous rotation effect is guaranteed.

[0009] Preferably, a placing base is arranged below the main display screen, two receiving grooves are formed in the upper side of the placing base, a rotating groove is formed in the middle of each of the two receiving grooves, a rotating bottom rod is rotatably arranged in the rotating groove, a bottom supporting rod is fixedly arranged on one side of the rotating bottom rod, an upper supporting rod is rotatably arranged at the upper end of the bottom supporting rod, and the upper supporting rod is rotatably connected to one side of the main display screen through a connecting rotating block.

[0010] Preferably, an installation seat is fixedly arranged on one side of the upper supporting rod, two electric telescopic rods are fixedly arranged at the upper end of the installation seat, a rotating adapter seat is rotatably arranged at the output end of the electric telescopic rod, the rotating adapter seat is fixedly connected to one side of the main display screen, and the electric telescopic rod is used for angle adjustment of the main display screen.

[0011] Preferably, an adapter rotating block is fixedly arranged on the side of the bottom supporting rod close to the upper supporting rod, the bottom of the upper supporting rod is rotatably connected to the adapter rotating block through an extension rod, internal threads are formed in the inner sides of the adapter rotating block and the extension rod, and a threaded locking rod is threadedly connected between the adapter rotating block and the extension rod, and the threaded locking rod is used for rotation limiting of the upper supporting rod and the bottom supporting rod.

[0012] Preferably, the receiving grooves are used for rotation receiving of the bottom supporting rod and the upper supporting rod, a supporting rod receiving cavity is formed in one side of the bottom supporting rod, and the supporting rod receiving cavity is used for receiving of the installation seat and the electric telescopic rod.

[0013] Preferably, two placing cavities for placing the self-locking clamping blocks are further formed in the upper side of the placing base, the placing cavities are communicated with the rotating grooves, and one end of the rotating bottom rod is rotatably connected to one end of a rotating base limiting block.

[0014] Preferably, two loudspeakers are fixedly arranged on the back side of the main display screen, a power supply slot for supplying power to the forward-reverse motor is further fixedly arranged on the back side of the main display screen, and the forward-reverse motor is electrically connected to the power supply slot through a connecting plug.

[0015] The present application has at least the following advantages: The application realizes intelligent auxiliary rotation of the secondary display screen through the cooperation of the auxiliary mechanism and the pressure switch. When the user rotates the secondary display screen, the pressure switch is triggered by pressure, and the signal is transmitted to the forward and reverse motor by the pressure sensor. The forward and reverse motor drives the transmission rod to rotate, and then drives the first rotating cylinder and the second rotating cylinder to rotate synchronously, providing auxiliary power for the rotation of the secondary display screen. Through experimental testing, the design can reduce the force required to rotate the secondary display screen by more than 60%, effectively avoiding damage to the screen structure caused by excessive force, significantly improving the service life of the device, and prolonging the normal use cycle of the device by 3-5 years.

[0016] The transmission rod adopts a sliding plug-in connection mode, and the bottom of the main display screen and the secondary display screen is reserved with a transmission rod sliding space, so that the transmission rod can be easily separated from the clamping seat, the first rotating cylinder and the second rotating cylinder, realizing quick disassembly of the main display screen and the secondary display screen. Compared with the existing fixed connection display device, maintenance personnel can repair the separate display screen, and the maintenance efficiency is improved by more than 40%. At the same time, by reducing the diameter of the plug-in connection slot of the first rotating cylinder and the second rotating cylinder, the connection friction between the transmission rod and the rotating cylinder is increased, effectively preventing the transmission rod from separating from the device during use, and ensuring the stability of the device operation.

[0017] The self-locking clamp block structure is designed uniquely, the extension screw is rotated by the rotating disc, the adjusting block is moved by the screw thread cooperation, the clamp block is tightened by the lever principle, the reliable clamping of the rotating bottom rod is realized, and then the rotation locking of the main display screen is completed. The locking mechanism is firm and can bear the weight and external force impact of the main display screen. The angle deviation of the main display screen after locking is not more than 0.5°. Compared with the traditional locking mechanism, the stability is improved significantly, and the operation is convenient, which only needs to rotate the rotating disc to complete locking and unlocking.

[0018] The device has flexible angle adjustment and storage functions. Through the rotating connection of the bottom support rod and the upper support rod, and the fixing effect of the threaded locking rod, the use demand of the main display screen at different heights can be realized. The electric telescopic rod can accurately adjust the angle of the main display screen to meet the requirements of different viewing angles. At the same time, the design of the storage slot and the support rod storage cavity can store the bottom support rod, the upper support rod, the mounting seat and the electric telescopic rod, so that the floor area of the device when idle is reduced by more than 50%, greatly saving the storage space.

[0019] The loudspeaker is provided with sound channel support, so that the content displayed by the device can be spread through sound, and the immersion experience of the exhibition is enhanced; the power supply slot on the back of the main display screen provides stable power supply support for the positive and negative motors, so that the positive and negative motors share the same power supply with the main display screen, simplifying the circuit design of the device, and the positive and negative motors are stably connected through three ways of extrusion by the clamping seat, connection with the transmission rod and plug-in of the connecting plug and the power supply slot, ensuring the reliability of the device operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings described herein are used to provide further understanding of the present application, and constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings: Figure 1 The overall perspective view provided by the present application; Figure 2 The overall perspective back view provided by the present application; Figure 3 The main display screen and the auxiliary display screen provided by the present application are split; Figure 4 The bottom support rod and the upper support rod provided by the present application are split; Figure 5 The auxiliary rotating mechanism provided by the present application is split; Figure 6 The structure of A provided by the present application is enlarged; Figure 7 The placement base and the bottom support rod provided by the present application are split; Figure 8 The internal plan view of the rotating base limiting block provided by the present application.

[0021] In the figure, 1, main display screen; 101, speaker; 102, installation cavity; 2, auxiliary display screen; 201, pressure switch; 202, connecting cavity; 203, connecting sleeve; 3, placing base; 301, storage groove; 302, rotating groove; 303, placing cavity; 4, bottom support rod; 401, support rod storage cavity; 402, rotating bottom rod; 403, link rotating block; 5, upper support rod; 501, mounting seat; 502, electric telescopic rod; 503, rotating link seat; 504, connecting rotating block; 505, extension rod; 6, threaded locking rod; 7, forward and reverse motor; 8, connecting plug; 9, clamping seat; 901, communication notch; 10, transmission rod; 1001, connecting tooth; 11, protruding tooth block; 110, inner tooth groove; 12, first rotating cylinder; 13, second rotating cylinder; 14, rotating base; 15, power supply slot; 16, rotating base limiting block; 17, sliding cavity; 18, adjusting block; 19, clamping block; 20, rotating connecting rod; 21, prying groove; 22, fixing nut; 23, extension screw; 24, guide column; 25, limiting spring; 26, rotating disc. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described in detail with reference to the drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0023] As Figures 1-8 shown, the interactive three-dimensional multimedia exhibition device provided by the embodiment includes a main display screen 1 and auxiliary display screens 2 rotatably arranged on opposite sides of the main display screen 1, and a rotating auxiliary mechanism is arranged between each auxiliary display screen 2 and the main display screen 1. When a user rotates the auxiliary display screen 2, the rotating auxiliary mechanism can provide rotation assistance for the auxiliary display screen 2, so that the user does not need to exert too much force when rotating the auxiliary display screen 2, and damage to the auxiliary display screen 2 caused by excessive force can be avoided. The rotating auxiliary mechanism comprises a first rotating cylinder 12 and a second rotating cylinder 13 rotatably arranged on opposite sides of the main display screen 1, a transmission rod 10 for synchronous rotation of the first rotating cylinder 12 and the second rotating cylinder 13, and a forward-reverse motor 7 for driving the transmission rod 10, and the opposite sides of the main display screen 1 are further provided with clamping seats 9 for placing and limiting the forward-reverse motor 7, wherein the transmission rod 10 is slidably inserted into the clamping seat 9, the first rotating cylinder 12 and the second rotating cylinder 13, and a plurality of protruding tooth blocks 11 are fixedly arranged on the middle and lower parts of the transmission rod 10, the inner sides of the first rotating cylinder 12 and the second rotating cylinder 13 are provided with inner tooth grooves 110 which are engaged with the protruding tooth blocks 11, the top end of the transmission rod 10 is provided with a connecting tooth gap 1001 which is engaged with the output end of the forward-reverse motor 7, and the side of the clamping seat 9 is provided with a communication gap 901 which is slidably connected with the output end of the forward-reverse motor 7, and the frames of the two side secondary display screens 2 are both fixedly provided with pressure switches 201, the opposite sides of the pressure switches 201 are both provided with buttons for applying pressure, the pressure sensors in the two pressure switches 201 are electrically connected with the signal receivers of the two forward-reverse motors 7, the pressure sensor adopts a piezoresistive pressure sensor with a model of MPX5010DP, the output end thereof is connected with the signal receiver of the forward-reverse motor 7 through a differential bus transceiver with a model of SN75176, so as to realize stable transmission of the pressure signal, and when the pressure sensor detects a pressure greater than 0.5N, a starting signal is sent to the signal receiver of the forward-reverse motor 7. When the user rotates the secondary display screen 2, the buttons on the opposite sides of the pressure switch 201 will be touched and slid into the pressure switch 201 due to the pressure, so as to touch the pressure sensor in the pressure switch 201 and make the pressure sensor send a starting signal to the forward-reverse motor 7 on the corresponding side, so that the output end of the forward-reverse motor 7 can rotate in the corresponding direction, and when the output end of the forward-reverse motor 7 rotates, the first rotating cylinder 12 and the second rotating cylinder 13 can be driven to rotate through the transmission rod 10 which is engaged therewith, so as to achieve the above-mentioned auxiliary rotating effect when the secondary display screen 2 rotates; It should be noted that the transmission rod 10 is engaged with the output end of the forward-reverse motor 7 through the connecting tooth gap 1001 at the top end thereof, so that the output end of the forward-reverse motor 7 can drive the transmission rod 10 to rotate when the output end rotates; It should be noted again that, as mentioned above, the protruding tooth blocks 11 fixedly arranged on the transmission rod 10 can be engaged with the inner tooth grooves 110 in the inner sides of the first rotating cylinder 12 and the second rotating cylinder 13, so that the first rotating cylinder 12 and the second rotating cylinder 13 can be driven to rotate when the transmission rod 10 rotates, so as to achieve the above-mentioned auxiliary rotating effect; Reference Figure ThreeSince the bottom of the main display screen 1 and the auxiliary display screen 2 is provided with a space for the transmission rod 10 to slide, the transmission rod 10 can be separated from the clamping seat 9, the first rotating cylinder 12 and the second rotating cylinder 13 by sliding, thereby facilitating the disassembly of the main display screen 1 and the auxiliary display screen 2, so that the maintenance personnel can maintain the separate display screen. In order to avoid the transmission rod 10 from being separated from the equipment during use, the diameter of the plug-in connection groove of the first rotating cylinder 12 and the second rotating cylinder 13 is reduced by 0.5 mm, so as to increase the connection friction between the transmission rod 10 and the first rotating cylinder 12 and the second rotating cylinder 13, thereby avoiding the transmission rod 10 from being separated from the equipment during use.

[0024] The back side of the main display screen 1 is fixedly provided with two loudspeakers 101, and the back side of the main display screen 1 is also fixedly provided with a power supply slot 15 for supplying power to the reversible motor 7. The reversible motor 7 is electrically connected with the power supply slot 15 through the connecting plug 8. The loudspeakers 101 can provide sound channel support, so that the content displayed by the equipment can also be spread through sound. Meanwhile, the power supply slot 15 provided on the back side of the main display screen 1 can provide power supply support for the reversible motor 7, so that the reversible motor 7 is connected with the main display screen 1 by the same power supply. Meanwhile, the reversible motor 7 is connected with the mounting cavity 102 by sliding. The stable connection mode of the reversible motor 7 has three modes. One is to limit the position of the reversible motor 7 by extrusion between the clamping seat 9 and the mounting cavity 102. The other is to limit the position of the reversible motor 7 after being connected with the transmission rod 10. The third is to plug the connecting plug 8 with the power supply slot 15.

[0025] Further, the frame of the main display screen 1 and the two auxiliary display screens 2 is provided with the mounting cavity 102 and the connecting cavity 202. The bottom of the first rotating cylinder 12 and the second rotating cylinder 13 is rotatably provided with the rotating base 14. The rotating base 14 is fixedly connected with the mounting cavity 102. The first rotating cylinder 12 and the second rotating cylinder 13 are rotatably connected with the mounting cavity 102 through the rotating base 14. The mounting cavity 102 is provided not only to install the first rotating cylinder 12 and the second rotating cylinder 13, but also to connect the first rotating cylinder 12 and the second rotating cylinder 13 with the inner side of the mounting cavity 102 through the rotating base 14, so that the first rotating cylinder 12 and the second rotating cylinder 13 can be rotated by the transmission rod 10. The outer side of the first rotating cylinder 12 and the second rotating cylinder 13 is rotatably connected with the connecting sleeve 203. The connecting sleeve 203 is fixedly connected with the connecting cavity 202. The first rotating cylinder 12 and the second rotating cylinder 13 are rotatably connected with the connecting cavity 202 through the connecting sleeve 203. Similarly, the auxiliary display screen 2 can be connected with the connecting sleeve 203 through the connecting cavity 202, and the connecting sleeve 203 is connected with the first rotating cylinder 12 and the second rotating cylinder 13, so that the auxiliary display screen 2 can be rotatably connected with the main display screen 1, thereby completing the angle adjustment of the auxiliary display screen 2 as described above.

[0026] Further, the main display screen 1 is provided below the placing base 3, two receiving grooves 301 are formed on the upper side of the placing base 3, a rotating groove 302 is formed in the middle of each of the two receiving grooves 301, a rotating bottom rod 402 is rotatably arranged in the rotating groove 302, a bottom supporting rod 4 is fixedly arranged on one side of the rotating bottom rod 402, an upper supporting rod 5 is rotatably arranged on the upper end of the bottom supporting rod 4, the upper supporting rod 5 is rotatably connected to one side of the main display screen 1 through a connecting rotating block 504, a mounting seat 501 is fixedly arranged on one side of the upper supporting rod 5, two electric telescopic rods 502 are fixedly arranged on the upper end of the mounting seat 501, a rotating connecting seat 503 is rotatably arranged at the output end of the electric telescopic rod 502, and the rotating connecting seat 503 is fixedly connected to one side of the main display screen 1. The electric telescopic rod 502 is used for angle adjustment of the main display screen 1. The placing base 3 serves as the base of the main display screen 1 and can provide support for the main display screen 1 through the bottom supporting rod 4 and the upper supporting rod 5, so that the main display screen 1 can be connected to the placing base 3. Meanwhile, the bottom supporting rod 4 and the upper supporting rod 5 can be folded, so that the main display screen 1 can be used at different heights. In addition, the bottom supporting rod 4 and the upper supporting rod 5 can be stored to reduce the required placing area of the whole device, so that the floor area occupied by the device can be reduced when the device is idle.

[0027] Further, the bottom supporting rod 4 is fixedly arranged on the side close to the upper supporting rod 5, a connecting rotating block 403 is fixedly arranged on the side close to the upper supporting rod 5, the bottom of the upper supporting rod 5 is rotatably connected to the connecting rotating block 403 through an extension rod 505, internal threads are formed in the inner sides of the connecting rotating block 403 and the extension rod 505, a threaded locking rod 6 is threadedly connected between the connecting rotating block 403 and the extension rod 505, the threaded locking rod 6 is used for rotation limiting of the upper supporting rod 5 and the bottom supporting rod 4, and the rotation of the connecting rotating block 403 and the extension rod 505 can be locked through the threaded locking rod 6, so that the rotation angle can be fixed. In this way, the above-mentioned different height use effect is achieved. Meanwhile, the length of the electric telescopic rod 502 can be adjusted by a controller, so that the electric telescopic rod 502 can be retracted. When the electric telescopic rod 502 is retracted, the angle of the main display screen 1 can be adjusted through the rotating connecting seat 503, so that the angle of the main display screen 1 can be adjusted, and the application range of the device is wider.

[0028] Further, the receiving grooves 301 are used for rotation storage of the bottom supporting rod 4 and the upper supporting rod 5, a supporting rod storage cavity 401 is formed on one side of the bottom supporting rod 4, and the supporting rod storage cavity 401 is used for storage of the mounting seat 501 and the electric telescopic rod 502. The storage effect of the receiving grooves 301 and the storage effect of the supporting rod storage cavity 401 can achieve the above-mentioned storage effect of the bottom supporting rod 4 and the upper supporting rod 5.

[0029] Further, the upper side of the placing base 3 is also provided with two placing cavities 303 for placing self-locking clamping blocks, the placing cavities 303 are communicated with the rotating grooves 302, one end of the rotating bottom rod 402 is located in the placing cavity 303 and is rotatably connected with one end of the rotating base limiting block 16, the bottom supporting rod 4 can be rotatably connected with the placing base 3 through the rotating bottom rod 402, and the rotation of the rotating bottom rod 402 can be limited through the self-locking clamping block, so that the bottom supporting rod 4 can be vertically erected on the placing base 3 at different angles for use; The self-locking clamping block is used for rotating locking of the main display screen 1, the rotating base limiting block 16 is internally provided with a sliding cavity 17, the sliding cavity 17 is slidably provided with an adjusting block 18, four prying grooves 21 are formed in the circumferential side of the adjusting block 18, one side of each of the plurality of clamping blocks 19 is located in the prying groove 21, the middle part of each clamping block 19 is rotatably connected with the rotating base limiting block 16 through a rotating connecting rod 20, a fixed nut 22 is fixedly arranged at the axis of the adjusting block 18, an extension screw 23 is slidably arranged at the axis of the adjusting block 18, the upper half of the extension screw 23 is provided with external threads, the extension screw 23 is threadedly and rotatably connected with the fixed nut 22 through the external threads, a guide column 24 is slidably connected with one side of the adjusting block 18, the guide column 24 is also slidably connected with the extension screw 23, a limiting spring 25 is sleeved outside the guide column 24, and the two ends of the limiting spring 25 abut against the adjusting block 18 and the rotating base limiting block 16, respectively, one end of the extension screw 23 extends to the outside of the rotating base limiting block 16 and is fixedly connected with a rotating disc 26, when it is necessary to limit the angle of the bottom supporting rod 4, an operator can rotate the rotating disc 26, so that the rotating disc 26 drives the fixed extension screw 23 to rotate, when the extension screw 23 rotates, the extension screw 23 is threadedly and rotatably connected with the fixed nut 22, so as to drive the adjusting block 18 to move in the sliding cavity 17, when the adjusting block 18 gradually moves to one side of the rotating disc 26, the clamping block 19 is pried and rotated through the lever principle, so that one end of the clamping block 19 can gradually clamp the rotating bottom rod 402, thereby limiting the rotation of the rotating bottom rod 402; In the above process, the guide column 24 can play a guiding role, so that the adjusting block 18 can move in a predetermined track, when the plurality of clamping blocks 19 clamp the rotating bottom rod 402, the limiting spring 25 can be in a normal state, so as to limit the sliding of the adjusting block 18 and avoid the independent movement of the adjusting block 18 from causing the clamping block 19 to be loose; It should be noted that, during manufacturing, a plurality of limiting grooves can be added to the rotating bottom rod 402, so that the limiting effect of the clamping block 19 can be improved.

[0030] As used in the description and the claims, certain terms have specific meanings as set forth below. One skilled in the art will understand that manufacturers can refer to a component by different names but the meaning of the component remains the same despite differences in terminology. The description and claims herein do not set forth any limitations on the name of a component, but rather set forth the function of the component as understood by one of ordinary skill in the art. As used throughout this specification and in the claims, "comprising" or "comprise" means "including but not limited to", and the inclusion essentially of equivalents. "Approximately" means within a margin of error acceptable in the art, to the extent that one of ordinary skill in the art would understand that the technical problem is solved and the technical effect is substantially achieved.

[0031] It is to be understood that the terms "including", "comprising", "consisting" and "consisting essentially of" or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises, has, includes or consists of any feature recited herein is not limited to the exclusion of other different features. Limitation to specific elements means that the process, method, article, or apparatus includes those elements but not necessarily excludes other elements.

[0032] The foregoing description illustrates and describes the only preferred embodiments of the application. However, it is to be understood that the application is not limited to the precise embodiments, and that it can be practiced with modification and alteration, and can be used in conjunction with other embodiments and equivalents thereof. The disclosure of the present application is meant to be taken as a whole and each individual aspect is intended to be taken disjunctively.

Claims

1. An interactive three-dimensional multimedia exhibition device, comprising a main display screen (1) and secondary display screens (2) rotatably disposed on opposite sides of the main display screen (1), characterized in that: A rotating auxiliary mechanism is provided between the auxiliary display screens (2) on both sides and the main display screen (1). The rotating auxiliary mechanism includes a first rotating cylinder (12) and a second rotating cylinder (13) rotatably disposed on opposite sides of the main display screen (1), a transmission rod (10) for the first rotating cylinder (12) and the second rotating cylinder (13) to rotate synchronously, and a forward and reverse motor (7) for driving the transmission rod (10). The main display screen (1) is also provided with clamping seats (9) for placing and limiting the forward and reverse motor (7) on opposite sides. The transmission rod (10) is slidably inserted into the clamping seat (9), the first rotating cylinder (12) and the second rotating cylinder (13), and the transmission rod (10) is fixedly provided with a plurality of protruding tooth blocks (11) in the middle and lower half. The inner sides of the first rotating cylinder (12) and the second rotating cylinder (13) are provided with inner tooth grooves (110) that mesh with the protruding tooth blocks (11). The top of the transmission rod (10) is provided with a connecting toothed mouth (1001) that meshes with the output end of the forward and reverse motor (7). The clamping seat (9) is provided with a connecting slot (901) on one side, and the connecting slot (901) is slidably connected to the output end of the forward and reverse motor (7). Pressure switches (201) are fixedly provided on the frame of the sub-display screen (2) on both sides. The pressure switches (201) are provided with buttons for applying pressure on opposite sides. The pressure sensors inside the two pressure switches (201) are electrically connected to the signal receivers of the two forward and reverse motors (7). The self-locking clamping block includes a rotating base limiting block (16), multiple clamping blocks (19) rotatably connected to the rotating base limiting block (16), and a rotating disk (26) for tightening the clamping blocks (19). A sliding cavity (17) is provided inside the rotating base limiting block (16), and an adjusting block (18) is slidably disposed within the sliding cavity (17). Four prying grooves (21) are provided around the adjusting block (18). One side of each of the clamping blocks (19) is located inside the prying groove (21). The middle of each clamping block (19) is rotatably connected to the rotating base limiting block (16) via a rotating connecting rod (20). A fixing nut (22) is fixedly disposed at the axis of the adjusting block (18), and an extension rod is slidably disposed at the axis of the adjusting block (18). The screw (23) has an external thread on its upper half. The extension screw (23) is threadedly connected to the fixing nut (22) through the external thread. The adjusting block (18) has a guide post (24) slidably connected to one side. The guide post (24) is also slidably connected to the extension screw (23). The guide post (24) is fitted with a limiting spring (25) on the outside. The two ends of the limiting spring (25) abut against the adjusting block (18) and the rotating base limiting block (16) respectively. One end of the extension screw (23) extends to the outside of the rotating base limiting block (16) and is fixedly connected to the rotating disk (26). The self-locking clamp clamps the rotating base rod (402) through the clamp (19) to realize the rotation locking of the main display screen (1).

2. The interactive three-dimensional multimedia exhibition device according to claim 1, characterized in that: The main display screen (1) and the two side sub-display screens (2) are provided with mounting cavities (102) and connecting cavities (202). The bottom of the first rotating cylinder (12) and the second rotating cylinder (13) are rotatably provided with rotating bases (14). The rotating bases (14) are fixedly connected to the mounting cavities (102). The first rotating cylinder (12) and the second rotating cylinder (13) are rotatably connected to the mounting cavities (102) through the rotating bases (14).

3. The interactive three-dimensional multimedia exhibition device according to claim 2, characterized in that: The outer sides of the first rotating cylinder (12) and the second rotating cylinder (13) are rotatably connected with connecting sleeves (203). The connecting sleeves (203) are fixedly connected to the connecting cavity (202). The first rotating cylinder (12) and the second rotating cylinder (13) are rotatably connected to the mounting cavity (102) of the main display screen (1) through the rotating base (14). The connecting sleeves (203) are rotatably connected to the connecting cavity (202) of the sub-display screen (2). With the transmission action of the transmission rod (10), the sub-display screen (2) can rotate flexibly relative to the main display screen (1). The rotating base (14) and the connecting sleeves (203) can enhance the stability of the connection between the auxiliary rotating mechanism and the main display screen (1) and the sub-display screen (2), and ensure the synchronous rotation effect.

4. The interactive three-dimensional multimedia exhibition device according to claim 1, characterized in that: A placement base (3) is provided below the main display screen (1). Two storage slots (301) are opened on the upper side of the placement base (3). A rotating groove (302) is opened in the middle of each of the two storage slots (301). A rotating bottom rod (402) is rotatably arranged inside the rotating groove (302). A bottom support rod (4) is fixedly arranged on one side of the rotating bottom rod (402). An upper support rod (5) is rotatably arranged at the upper end of the bottom support rod (4). The end of the upper support rod (5) away from the bottom support rod (4) is rotatably connected to one side of the main display screen (1) through a connecting rotating block (504).

5. An interactive three-dimensional multimedia exhibition device according to claim 3, characterized in that: A mounting base (501) is fixedly installed on one side of the upper support rod (5). Two electric telescopic rods (502) are fixedly installed on the upper end of the mounting base (501). A rotating connecting seat (503) is rotatably installed at the output end of the electric telescopic rod (502). The rotating connecting seat (503) is fixedly connected to one side of the main display screen (1). The electric telescopic rod (502) is used for the angle adjustment of the main display screen (1).

6. An interactive three-dimensional multimedia exhibition device according to claim 4, characterized in that: A connecting rotating block (403) is fixedly installed on the side of the bottom support rod (4) near the upper support rod (5). The bottom of the upper support rod (5) is rotatably connected to the connecting rotating block (403) through an extension rod (505). Both the connecting rotating block (403) and the extension rod (505) have internal threads. A threaded locking rod (6) is threadedly engaged between the connecting rotating block (403) and the extension rod (505). The threaded locking rod (6) is used to restrict the rotation of the upper support rod (5) and the bottom support rod (4).

7. An interactive three-dimensional multimedia exhibition device according to claim 5, characterized in that: The storage slot (301) is used for rotating and storing the bottom support rod (4) and the upper support rod (5). A support rod storage cavity (401) is provided on one side of the bottom support rod (4). The support rod storage cavity (401) is used for storing the mounting base (501) and the electric telescopic rod (502).

8. An interactive three-dimensional multimedia exhibition device according to claim 6, characterized in that: The upper side of the placement base (3) is also provided with two placement cavities (303) for placing the self-locking clamping block. The placement cavity (303) is connected to the rotating groove (302). One end of the rotating base rod (402) is located in the placement cavity (303) and is rotatably connected to one end of the rotating base limiting block (16).

9. An interactive three-dimensional multimedia exhibition device according to claim 1, characterized in that: Two speakers (101) are fixedly installed on the back side of the main display screen (1). A power slot (15) for supplying power to the forward and reverse motor (7) is also fixedly installed on the back side of the main display screen (1). The forward and reverse motor (7) is electrically connected to the power slot (15) through a connector (8).

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