Retractable and mobile new media display device

Abstract

The present invention provides a retractable mobile new media display device, comprising a display screen, a moving mechanism and a supporting mechanism; the display screen is a folding screen; the moving mechanism comprises a first base and two second bases; a folding chain plate is provided between each second base and the first base; a plurality of running wheels are provided at the bottom of each second base; the supporting mechanism comprises a first supporting mechanism and two second supporting mechanisms; each second supporting mechanism is provided with a pull rod, one end of the pull rod is hinged to the second supporting mechanism, and the other end is detachably connected to the first supporting mechanism; the folding screen is rotatably connected to the top of the first supporting mechanism and the two second supporting mechanisms respectively; a storage battery and a PLC controller are installed inside the first base. The new media display device of the present invention can be unfolded, folded and moved, can display new media when unfolded, can reduce space occupation and facilitate transportation when folded, and can be widely used in outdoor publicity activities and new media displays.

Description

Technical Field

[0001] The invention belongs to the technical field of media display equipment, and in particular relates to a retractable and mobile new media display device. Background Art

[0002] New media is a form of communication that uses digital technology to provide information and services to users through computer networks, wireless communication networks, satellites and other channels, as well as computers, mobile phones, digital televisions and other terminals. From a spatial perspective, "new media" specifically refers to the current media that is opposite to "traditional media". It is supported by digital compression and wireless network technology, and can cross geographical boundaries and ultimately achieve globalization by utilizing its large capacity, real-time and interactivity. When using new media for commercial promotion or product display, it is usually necessary to use display devices.

[0003] In addition to being fixed in exhibition halls for fixed-point display, new media display devices are also needed for commercial promotion or product display in outdoor promotional activities and some temporary venues. Existing new media display devices that can be moved outdoors have problems such as large size, space occupation, and inconvenience in transportation. Summary of the invention

[0004] In view of the problems that existing new media display devices have large specifications and sizes, occupy space, and are inconvenient to transport, the present invention proposes a retractable mobile new media display device, which can be unfolded and folded. When unfolded, new media can be displayed, and when folded, space occupancy can be reduced and transportation is convenient.

[0005] The present invention is achieved through the following technical solutions:

[0006] A retractable and mobile new media display device comprises a display screen, a mobile mechanism and a supporting mechanism, wherein the display screen is mounted on the mobile mechanism via the supporting mechanism;

[0007] The display screen is a folding screen, specifically, the folding screen is an LED folding screen, the LED folding screen is a prior art device or can be manufactured by prior art means, and its specific structure and principle are not described in detail here;

[0008] The moving mechanism comprises a first base and two second bases symmetrically arranged on the left and right sides of the first base; a folding chain plate is arranged between each of the second bases and the first base, and the folding chain plate can be retracted, folded and extended, and the two ends of the folding chain plate are respectively hinged to the second base and the side wall of the first base; when the folding chain plate is extended, the second base is away from the first base, and after the folding chain plate is folded and retracted, the second base is close to the first base;

[0009] The left and right side walls of the first base are respectively provided with cavities for accommodating the folded and contracted folding chain plates. After the folded and contracted folding chain plates are stored in the cavities of the first base; an L-shaped plate is fixedly provided on the top of each of the second bases, which can be fixed by welding or bolted; a lock is provided between the L-shaped plate and the first base, and when the second base is close to the first base, the L-shaped plate is attached to the first base and is locked and connected by the lock. Specifically, the left and right side walls of the first base are respectively provided with cavities for facilitating the embedding of the L-shaped plate;

[0010] The bottom of each of the second bases is respectively provided with a plurality of running wheels with brakes, so as to facilitate the movement and parking of the new media display device;

[0011] The support mechanism includes a first support mechanism and two second support mechanisms symmetrically arranged on the left and right sides of the first support mechanism; the bottom end of the first support mechanism is connected to the first base, and the bottom end of the second support mechanism is connected to the second base; each of the second support mechanisms is provided with a pull rod, one end of the pull rod is hinged to the second support mechanism, and the other end is detachably connected to the first support mechanism; when the two second bases are unfolded, the pull rod can be rotated so that the two ends of the pull rod are respectively connected to the second support mechanism and the first support mechanism, and the pull rod can maintain the distance between the first support mechanism and the second support mechanism, avoid the folding chain plate from shrinking and folding, and ensure the stability of the mobile mechanism;

[0012] The folding screen is rotatably connected to the top of the first supporting mechanism and the two second supporting mechanisms respectively. Specifically, a rotating bearing is respectively provided between the top of the first supporting mechanism and the two second supporting mechanisms and the bottom of the display screen. When the second base drives the second supporting mechanism to move closer to or away from the first base, the folding screen can rotate and can be folded or extended.

[0013] A battery and a PLC controller are installed inside the first base, and the PLC controller is equipped with an input module, an output module and a data transmission module; the battery is electrically connected to the input module; the folding screen is electrically connected to the output module; the data transmission module is wirelessly connected to the smartphone, specifically, the data transmission module is connected to the smartphone via the Modbus communication protocol; the battery can power the PLC controller and the folding screen, and the smartphone and the PLC controller can send and receive commands; it should be noted that, for those skilled in the art, the folding screen and the battery are both prior art equipment, and their specific structures and working principles will not be repeated here. For those skilled in the art, the PLC controller and its equipped input module, output module and data transmission module, as well as the Modbus communication protocol between the data transmission module and the smartphone are all prior art.

[0014] It is further defined that the folding chain plate includes a plurality of connecting plates connected in series, a hinge plate is provided between two adjacent connecting plates, and two adjacent connecting plates are respectively hinged to the hinge plates. This structure enables the folding chain plate to contract, fold and stretch, and two adjacent connecting plates can be folded and overlapped together.

[0015] It is further defined that both the first supporting mechanism and the second supporting mechanism are telescopic mechanisms and can be used to adjust the height of the display screen.

[0016] It is further defined that the first supporting mechanism includes a first inner cylinder and a first outer cylinder; the bottom end of the first outer cylinder is fixedly connected to the top end of the first base, the first inner cylinder is arranged inside the first outer cylinder and can move vertically along the first outer cylinder; a stepper motor is arranged inside the first base, the stepper motor is electrically connected to the output module of the PLC controller, a lead screw is arranged inside the first outer cylinder, the bottom end of the lead screw is transmission-connected to the rotating shaft of the stepper motor, specifically, a reducer is arranged between the lead screw and the rotating shaft of the stepper motor, which can facilitate the control of the rotation speed of the lead screw; a threaded hole plate is fixedly provided inside the first inner cylinder, the threaded hole plate is threadedly connected to the lead screw, and a limit plate is fixedly provided on the top end of the lead screw to prevent the threaded hole plate from being separated from the lead screw; when the stepper motor drives the lead screw to rotate, the first inner cylinder can move vertically along the first outer cylinder, thereby controlling the lifting and lowering of the folding screen.

[0017] It is further defined that the second supporting mechanism includes a second inner cylinder and a second outer cylinder; the bottom end of the second inner cylinder is fixedly connected to the top end of the second base, the second outer cylinder is sleeved on the outside of the second inner cylinder and can move vertically along the second inner cylinder; a guide rod is provided inside the second outer cylinder, the top end of the guide rod is fixedly connected to the bottom of the second outer cylinder, a guide hole plate is fixedly provided inside the second inner cylinder, and the guide hole plate is sleeved on the outside of the guide rod. This structure can improve the stability of the lifting and lowering of the second supporting mechanism.

[0018] It is further defined that one end of the pull rod is hinged to the top side wall of the second outer tube, and the other end is pinned to the top side wall of the first inner tube. Specifically, the top side wall of the first inner tube is provided with a pin hole plate for inserting pins. Rotating the pull rod with this structure can facilitate the connection between the pull rod and the first inner tube; when the first inner tube moves vertically, it can drive the second outer tube to move vertically, thereby ensuring the stable lifting and lowering of the folding screen.

[0019] It is further defined that the cross-sections of the first inner cylinder, the first outer cylinder, the second inner cylinder and the second outer cylinder are all square, which can guide lifting and avoid rotation.

[0020] It can be seen from the above technical scheme that the present invention provides a retractable mobile new media display device, which has the beneficial effects of: the new media display device is movable and can be widely used in outdoor promotional activities and new media displays in certain temporary places; the new media display device can be unfolded and folded, and new media can be displayed when unfolded, and can reduce space occupancy and facilitate transportation when folded. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0022] Figure 1 It is a front view of the folded state of the present invention.

[0023] Figure 2 It is a top view of the folded state of the present invention.

[0024] Figure 3 for Figure 1 Schematic diagram of the partial structure of the moving mechanism and the supporting mechanism.

[0025] Figure 4 It is the front view of the unfolded state of the present invention.

[0026] Figure 5 It is a side view of the unfolded state of the present invention.

[0027] Figure 6 for Figure 4 Partial cross-sectional view along AA direction.

[0028] Figure 7 for Figure 4 Schematic diagram of the partial structure of the moving mechanism and the supporting mechanism.

[0029] Figure 8 This is a framework diagram of the intelligent control structure of the present invention.

[0030] In the accompanying drawings: 1-folding screen, 21-first base, 22-second base, 23-folding chain plate, 231-connecting plate, 232-hinge plate, 24-cavity groove, 25-L-shaped plate, 26-lock, 27-travel wheel, 3-first supporting mechanism, 31-first inner cylinder, 32-first outer cylinder, 33-stepping motor, 34-screw, 35-threaded hole plate, 36-limiting plate, 4-second supporting mechanism, 41-second inner cylinder, 42-second outer cylinder, 43-guide rod, 44-guide hole plate, 5-pull rod, 6-battery, 7-PLC controller. DETAILED DESCRIPTION

[0031] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", "left", "right", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] like Figures 1 to 8 As shown, a retractable mobile new media display device includes a display screen, a mobile mechanism and a supporting mechanism, wherein the display screen is mounted on the mobile mechanism through the supporting mechanism;

[0034] The display screen is a folding screen 1, specifically, the folding screen 1 is an LED folding screen 1, the LED folding screen 1 is a prior art device or can be manufactured by prior art means, and its specific structure and principle are not described in detail here;

[0035] The moving mechanism includes a first base 21 and two second bases 22 symmetrically arranged on the left and right sides of the first base 21; a folding chain plate 23 is provided between each of the second bases 22 and the first base 21, and the folding chain plate 23 can be retracted, folded, stretched and extended, and the two ends of the folding chain plate 23 are respectively hinged to the side walls of the second base 22 and the first base 21; the folding chain plate 23 includes a plurality of connecting plates 231 connected in series, and a hinge plate 232 is provided between two adjacent connecting plates 231, and two adjacent connecting plates 231 are respectively hinged to the hinge plate 232, such a structure can make the folding chain plate 23 shrink, fold, stretch and extend, and the two adjacent connecting plates 231 can be folded and overlapped together; when the folding chain plate 23 is stretched and extended, the second base 22 is away from the first base 21, and after the folding chain plate 23 is folded and shrunk, the second base 22 is close to the first base 21;

[0036] The left and right side walls of the first base 21 are respectively provided with cavities 24 for accommodating the folded and contracted folding chain plates 23. After the folded and contracted folding chain plates 23 are stored in the cavities 24 of the first base 21; an L-shaped plate 25 is fixedly provided on the top of each of the second bases 22, which can be fixed by welding or bolted; a lock 26 is provided between the L-shaped plate 25 and the first base 21, and when the second base 22 is close to the first base 21, the L-shaped plate 25 is attached to the first base 21 and is locked and connected by the lock 26. Specifically, the left and right side walls of the first base 21 are respectively provided with cavities 24 for facilitating the insertion of the L-shaped plate 25;

[0037] The bottom of each of the second bases 22 is provided with a plurality of running wheels 27 with brakes, so as to facilitate the movement and parking of the new media display device;

[0038] The support mechanism includes a first support mechanism 3 and two second support mechanisms 4 symmetrically arranged on the left and right sides of the first support mechanism 3. The first support mechanism 3 and the second support mechanism 4 are both telescopic mechanisms and can be used to adjust the height of the display screen.

[0039] The first supporting mechanism 3 comprises a first inner cylinder 31 and a first outer cylinder 32; the bottom end of the first outer cylinder 32 is fixedly connected to the top end of the first base 21, the first inner cylinder 31 is arranged inside the first outer cylinder 32 and can move vertically along the first outer cylinder 32; a stepping motor 33 is arranged inside the first base 21, a lead screw 34 is arranged inside the first outer cylinder 32, the bottom end of the lead screw 34 is transmission-connected with the rotating shaft of the stepping motor 33, specifically, a reducer is arranged between the lead screw 34 and the rotating shaft of the stepping motor 33, which can facilitate the control of the rotation speed of the lead screw 34; a threaded hole plate 35 is fixedly arranged inside the first inner cylinder 31, the threaded hole plate 35 is threadedly connected to the lead screw 34, and a limit plate 36 is fixedly arranged on the top end of the lead screw 34 to prevent the threaded hole plate 35 from being separated from the lead screw 34; when the stepping motor 33 drives the lead screw 34 to rotate, the first inner cylinder 31 can move vertically along the first outer cylinder 32, thereby controlling the lifting and lowering of the folding screen 1;

[0040] The second supporting mechanism 4 comprises a second inner cylinder 41 and a second outer cylinder 42; the bottom end of the second inner cylinder 41 is fixedly connected to the top end of the second base 22, the second outer cylinder 42 is sleeved on the outside of the second inner cylinder 41 and can move vertically along the second inner cylinder 41; a guide rod 43 is provided inside the second outer cylinder 42, the top end of the guide rod 43 is fixedly connected to the bottom of the second outer cylinder 42, a guide hole plate 44 is fixedly provided inside the second inner cylinder 41, and the guide hole plate 44 is sleeved on the outside of the guide rod 43. This structure can improve the stability of the lifting and lowering of the second supporting mechanism 4;

[0041] A pull rod 5 is provided on the second outer cylinder 42 of each second supporting mechanism 4, one end of the pull rod 5 is hinged to the top side wall of the second outer cylinder 42, and the other end is pinned to the top side wall of the first inner cylinder 31. Specifically, the top side wall of the first inner cylinder 31 is provided with a pin hole plate for inserting pins. Rotating the pull rod 5 with this structure can facilitate the connection between the pull rod 5 and the first inner cylinder 31; when the two second bases 22 are unfolded, the pull rod 5 can be rotated so that the two ends of the pull rod 5 are respectively connected to the second outer cylinder 42 and the first inner cylinder 31, and the pull rod 5 can maintain the distance between the first supporting mechanism 3 and the second supporting mechanism 4, avoid the folding chain plate 23 from shrinking and folding, and ensure the stability of the moving mechanism; when the first inner cylinder 31 moves vertically, it can drive the second outer cylinder 42 to move vertically, which can ensure the stable lifting and lowering of the folding screen 1; the cross-sections of the first inner cylinder 31, the first outer cylinder 32, the second inner cylinder 41 and the second outer cylinder 42 are all square, which can guide the lifting and lowering and avoid rotation;

[0042] The folding screen 1 is rotatably connected to the top of the first inner tube 31 of the first supporting mechanism 3 and the second outer tubes 42 of the two second supporting mechanisms 4. Specifically, a rotating bearing is provided between the top of the first inner tube 31 and the two second outer tubes 42 and the bottom of the display screen. When the second base 22 drives the second supporting mechanism 4 to move closer to or away from the first base 21, the folding screen 1 can rotate and can be folded or extended.

[0043] A battery 6 and a PLC controller 7 are installed inside the first base 21, and the PLC controller 7 is equipped with an input module, an output module and a data transmission module; the battery 6 is electrically connected to the input module; the folding screen 1 and the stepper motor 33 are both electrically connected to the output module; the data transmission module is wirelessly connected to the smartphone, specifically, the data transmission module is connected to the smartphone via the Modbus communication protocol; the battery 6 can power the PLC controller 7 and the folding screen 1, and commands can be sent and received between the smartphone and the PLC controller 7; it should be noted that, for those skilled in the art, the folding screen 1, the battery 6 and the stepper motor 33 are all prior art equipment, and their specific structures and working principles will not be repeated here. For those skilled in the art, the PLC controller 7 and its equipped input module, output module and data transmission module, as well as the Modbus communication protocol between the data transmission module and the smartphone are all prior art.

[0044] The working principle of this embodiment is as follows: when the new media display device is used for outdoor promotional activities and new media displays in some temporary places, the new media display device is moved to the destination; when the new media display device is unfolded, Figures 4 to 7As shown, the lock 26 between the second base 22 and the first base 21 is opened, and the folding chain plate 23 is manually pulled to extend, so that the second base 22 is away from the first base 21 and assists in unfolding the folding screen 1; after the second base 22 moves into place, the folding screen 1 is fully unfolded and flattened, and the pull rod 5 is rotated so that the other end of the pull rod 5 is pinned to the first inner cylinder 31 to ensure that the distance between the first base 21 and the second base 22 is constant; the brake of the running wheel 27 is locked to stop the new media display device; an instruction is sent to the PLC controller 7 through the smartphone to drive the stepper motor 33 to drive the lead screw 34 to rotate, so that the first inner cylinder 31 rises vertically along the first outer cylinder 32, and under the traction of the folding screen 1 and the pull rod 5, the second outer cylinder 42 rises vertically along the second inner cylinder 41, pushing the folding screen 1 to rise to a specified height; the folding screen 1 can be controlled by the smartphone to perform new media display; when the new media display device is folded, as shown in FIG. Figures 1 to 3 As shown, the lead screw 34 is controlled to rotate by the stepper motor 33 to lower the folding screen 1; the pin connection between the pull rod 5 and the first inner tube 31 is removed, and the pull rod 5 is retracted to the side wall of the second outer tube 42; the brake of the walking wheel 27 is released, and the folding chain plate 23 is manually retracted, so that the two adjacent connecting plates 231 of the folding chain plate 23 are folded and overlapped together, and the second base 22 is pushed close to the first base 21, and the folding screen 1 is assisted to fold; until the L-shaped plate 25 on the second base 22 fits with the first base 21, and the folding chain plate 23 is folded and contracted, and then stored in the cavity 24 of the first base 21, and the lock 26 between the L-shaped plate 25 and the first base 21 is locked, so that the folding of the new media display device is completed; after the new media display device is folded, it can reduce space occupancy and facilitate transportation. The new media display device is movable and can be widely used in outdoor publicity activities and new media displays in certain temporary places; the new media display device can be unfolded and folded, and can display new media when unfolded, and can reduce space occupation and facilitate transportation when folded.

Claims

1. A retractable mobile new media display device, comprising a display screen, a mobile mechanism and a supporting mechanism, wherein the display screen is mounted on the mobile mechanism via the supporting mechanism, and characterized in that: The display screen is a folding screen; The moving mechanism comprises a first base and two second bases symmetrically arranged on the left and right sides of the first base; a folding chain plate is arranged between each second base and the first base, and the folding chain plate can be retracted, folded and extended, and the two ends of the folding chain plate are respectively hinged to the side walls of the second base and the first base; The left and right side walls of the first base are respectively provided with cavities for accommodating the folded and contracted folding chain plates; an L-shaped plate is fixedly provided on the top of each second base; a lock is provided between the L-shaped plate and the first base, and when the second base is close to the first base, the L-shaped plate and the first base are attached and locked and connected by the lock; The bottom of each of the second bases is respectively provided with a plurality of running wheels with brakes; The support mechanism includes a first support mechanism and two second support mechanisms symmetrically arranged on the left and right sides of the first support mechanism; the bottom end of the first support mechanism is connected to the first base, and the bottom end of the second support mechanism is connected to the second base; each second support mechanism is provided with a pull rod, one end of the pull rod is hinged to the second support mechanism, and the other end is detachably connected to the first support mechanism; The folding screen is rotatably connected to the tops of the first supporting mechanism and the two second supporting mechanisms respectively; A battery and a PLC controller are installed inside the first base, and the PLC controller is connected with an input module, an output module and a data transmission module; the battery is electrically connected to the input module; the folding screen is electrically connected to the output module; the data transmission module is wirelessly connected to the smartphone; the folding chain plate includes a plurality of connecting plates connected in series, a hinge plate is provided between two adjacent connecting plates, and two adjacent connecting plates are hinged to the hinge plates respectively; the first supporting mechanism and the second supporting mechanism are both telescopic mechanisms and can be used to adjust the height of the display screen.

2. The retractable mobile new media display device according to claim 1, characterized in that: The first supporting mechanism comprises a first inner cylinder and a first outer cylinder; the bottom end of the first outer cylinder is fixedly connected to the top end of the first base, the first inner cylinder is arranged inside the first outer cylinder and can move vertically along the first outer cylinder; a stepper motor is arranged inside the first base, and the stepper motor is electrically connected to the output module of the PLC controller; a lead screw is arranged inside the first outer cylinder, and the bottom end of the lead screw is transmission-connected to the rotating shaft of the stepper motor; a threaded hole plate is fixedly arranged inside the first inner cylinder, the threaded hole plate is threadedly connected to the lead screw, and a limit plate is fixedly arranged on the top end of the lead screw.

3. The retractable mobile new media display device according to claim 2, characterized in that: The second supporting mechanism includes a second inner cylinder and a second outer cylinder; the bottom end of the second inner cylinder is fixedly connected to the top end of the second base, the second outer cylinder is sleeved on the outside of the second inner cylinder and can move vertically along the second inner cylinder; a guide rod is provided inside the second outer cylinder, the top end of the guide rod is fixedly connected to the bottom of the second outer cylinder, and a guide orifice plate is fixedly provided inside the second inner cylinder, and the guide orifice plate is sleeved on the outside of the guide rod.

4. The retractable mobile new media display device according to claim 3 is characterized in that: One end of the pull rod is hinged to the top side wall of the second outer cylinder, and the other end is pin-connected to the top side wall of the first inner cylinder.

5. The retractable mobile new media display device according to claim 3 or 4, characterized in that: The cross sections of the first inner cylinder, the first outer cylinder, the second inner cylinder and the second outer cylinder are all square.

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