Multifunctional display device for propaganda car

Abstract

The utility model discloses a multifunctional display device for a propaganda car, and relates to the technical field of propaganda cars, the multifunctional display device for the propaganda car comprises a propaganda car main body and a protection mechanism arranged on the outer wall of the propaganda car main body, and by arranging a sun shield, in order to improve the convenience of sun shading and rain sheltering for a display screen and a connecting table and the convenience of folding and storing the sun shield, the propaganda car is convenient to use. A driving micro motor can be firstly started to drive a lifting rod to slide along the inner wall of a lifting groove through rotation of a driving threaded rod, then a rotating micro motor is started to drive a rack to slide along the inner wall of a sliding groove through rotation of a rotating threaded rod, and therefore a gear is driven to rotate; according to the multifunctional display device for the propaganda car, the lifting rod is driven to rotate, the sun shield is driven to turn over along the outer wall of the lifting rod, the effect of using stability after the sun shield is turned over is achieved, and the control operation of convenient sun shading and rain sheltering of the display screen and the connecting table is achieved, and compared with an existing display device, the multifunctional display device for the propaganda car is convenient to use. The device has the advantage that the display screen and the connecting table can be conveniently shaded and sheltered from rain.

Description

Technical Field

[0001] The utility model relates to the technical field of publicity vehicles, in particular to a multifunctional display device for publicity vehicles. Background Technique

[0002] A publicity vehicle refers to an advertising device that uses an LED screen or a picture switching of a roller system as an information output device and displays advertising information through a moving vehicle body as a publicity carrier. It has mobility and generally comes with devices such as speakers, industrial control computers, and generators. When operating normally, it can synchronize sound and pictures. It belongs to a type of advertising vehicle. When using a publicity vehicle in daily life, a multifunctional display device is needed to assist the publicity vehicle in publicity operations.

[0003] For example, the application number 201921636109.9 discloses a multifunctional display device for a publicity vehicle, including a vehicle head, a carriage, a flipping stage, a screen, and a screen support. The carriage is installed on the vehicle head. The screen is installed inside the carriage along the side of the carriage through the screen support. The screen support is connected to the carriage through a lifting device and can slide up and down along the edge of the side of the carriage. The flipping stage is connected to the carriage through a flipping device. The flipping stage is fixedly stored inside the screen. There are several air intake channels at a position near the top of the front of the carriage and flush with the side of the screen. The multifunctional fire publicity vehicle can well realize playing publicity videos during driving, and can play publicity content and provide a venue for display or interaction in the parked state.

[0004] However, when using this multifunctional display device for a publicity vehicle, although it can perform multifunctional use operations on the publicity vehicle well, the sunshade and rain protection effects on the display screen and the stage are often not high, and the folding and storage convenience of the sunshade is not high. When the publicity personnel on the stage display and give a speech through the display screen, the display personnel will be exposed to the sun or rain for a long time, affecting the publicity work, thus affecting the display effect of the display device on the publicity content.

[0005] Therefore, in view of this, research and improvement are carried out on the existing structural deficiencies, and a multifunctional display device for a publicity vehicle is proposed. Content of the Utility Model

[0006] The purpose of the utility model is to provide a multifunctional display device for a publicity vehicle to solve the problem that although it can perform multifunctional use operations on the publicity vehicle well, the sunshade and rain protection effects on the display screen and the stage are often not high as mentioned in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A multifunctional display device for a publicity vehicle, including a publicity vehicle main body and a protection mechanism arranged on the outer wall of the publicity vehicle main body. The protection mechanism includes a flipping assembly;

[0008] The flipping component includes a gear and a sunshade. A display screen is slidably connected to the outer wall of the main body of the promotional vehicle. A driving micro-motor is fixedly connected to the top of the display screen. The output end of the driving micro-motor is fixedly connected to a driving threaded rod rotatably connected to the inner wall of the display screen. An elevating rod slidably connected to the inner side wall of the display screen is threadedly connected to the outer wall of the driving threaded rod. An adjusting box is fixedly connected to the outer wall of the elevating rod. A rotating micro-motor is fixedly connected to the top of the adjusting box. The output end of the rotating micro-motor is fixedly connected to a rotating threaded rod rotatably connected to the inner wall of the adjusting box. A rack slidably connected to the inner wall of the adjusting box is threadedly connected to the outer wall of the rotating threaded rod. A gear rotatably connected to the inner wall of the adjusting box is meshed with the outer wall of the rack. A sunshade is rotatably connected to the outer wall of the elevating rod. A connecting shaft fixedly connected to the outer wall of the sunshade is fixedly connected to the rotation center of the gear.

[0009] Further, a connecting platform is slidably connected to the inner wall of the main body of the promotional vehicle. A connecting box is fixedly connected to the outer wall of the connecting platform. A servo motor is fixedly connected to the outer wall of the connecting box. The output end of the servo motor is fixedly connected to a worm rotatably connected to the inner wall of the connecting box. A worm gear rotatably connected to the inner wall of the connecting box is meshed with the outer wall of the worm. A support rod is rotatably connected to the bottom of the connecting platform. A rotating shaft fixedly connected to the outer wall of the support rod is fixedly connected to the rotation center of the worm gear.

[0010] Further, an elevating groove is formed at the connecting portion between the inner side wall of the display screen and the elevating rod, and the outer wall profile of the elevating rod is in a "T" shape.

[0011] Further, a sliding groove is formed at the connecting portion between the inner wall of the adjusting box and the rack.

[0012] Further, the rotation centers between the sunshade and the gear coincide with each other.

[0013] Further, a limiting groove is formed at the connecting portion between the top of the display screen and the sunshade.

[0014] Further, the rotation centers between the support rod and the worm gear coincide with each other, and three groups of support rods are provided. The outer wall profiles of the connecting portions of the three groups of support rods and the connecting platform are in a comb-tooth shape.

[0015] Further, a placement groove is formed at the connecting portion between the outer wall of the main body of the promotional vehicle and the support rod.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] 1. With the provision of the sunshade in the present utility model, when the display device is used for publicity and display, in order to improve the convenience of shading and rain protection for the display screen and the connection platform, and to enhance the convenience of folding and storing the sunshade, the driving micro-motor can be first turned on. The rotation of the driving threaded rod drives the lifting rod to slide along the inner wall of the lifting groove. Then, the rotating micro-motor is turned on, and the rotation of the rotating threaded rod drives the rack to slide along the inner wall of the sliding groove, thereby driving the gear to rotate. Through the connection of the connecting shaft, the sunshade is driven to perform a flipping motion along the outer wall of the lifting rod, which plays a role in stabilizing the use of the sunshade after flipping, and realizes the control operation of conveniently shading and rain protecting the display screen and the connection platform;

[0018] 2. With the provision of the rotating shaft in the present utility model, when it is necessary to further improve the multi-functional use effect of the publicity vehicle and enhance the stability of supporting the connection platform, the connection platform can be first slid out along the outer wall of the publicity vehicle body. Then, the servo motor is turned on, and the rotation of the worm drives the worm wheel to rotate. Through the connection of the rotating shaft, the support rod is driven to perform a rotational motion along the bottom of the connection platform, which plays a role in conveniently supporting the connection platform, realizes the control operation of the stability of supporting the connection platform, and achieves the effect of improving the multi-functional display of the display device by the speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the first perspective of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the connection between the sunshade and the connection platform of the present utility model;

[0021] Figure 3 is a schematic structural diagram of another perspective of the display device of the present utility model;

[0022] Figure 4 is a schematic structural diagram of the connection between the lifting rod and the display screen of the present utility model;

[0023] Figure 5 is a schematic structural diagram of the connection between the gear and the sunshade of the present utility model;

[0024] Figure 6 is a schematic structural diagram of the connection between the connection platform and the support rod of the present utility model;

[0025] Figure 7 is a schematic structural diagram of the connection between the worm wheel and the support rod of the present utility model.

[0026] In the figure: 1. Main body of the publicity vehicle; 11. Display screen; 2. Protection mechanism; 21. Flipping assembly; 211. Driving micro motor; 212. Driving threaded rod; 213. Lifting rod; 214. Lifting groove; 215. Adjusting box; 216. Rotating micro motor; 217. Rotating threaded rod; 218. Rack; 219. Sliding groove; 220. Gear; 221. Connecting shaft; 222. Sunshade; 223. Limiting groove; 3. Connecting platform; 31. Connecting box; 32. Servo motor; 33. Worm; 34. Worm gear; 35. Rotating shaft; 36. Support rod; 37. Placing groove. Detailed implementation mode

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Embodiment 1: As Figures 1 - 5 shown, a multifunctional display device for a publicity vehicle includes a main body 1 of the publicity vehicle and a protection mechanism 2 arranged on the outer wall of the main body 1 of the publicity vehicle. The protection mechanism 2 includes a flipping assembly 21;

[0029] The flipping assembly 21 includes a gear 220 and a sunshade 222. A display screen 11 is slidably connected to the outer wall of the main body 1 of the publicity vehicle. A driving micro motor 211 is fixedly connected to the top of the display screen 11. The output end of the driving micro motor 211 is fixedly connected to a driving threaded rod 212 rotatably connected to the inner wall of the display screen 11. A lifting rod 213 slidably connected to the inner side wall of the display screen 11 is threadedly connected to the outer wall of the driving threaded rod 212. An adjusting box 215 is fixedly connected to the outer wall of the lifting rod 213. A rotating micro motor 216 is fixedly connected to the top of the adjusting box 215. The output end of the rotating micro motor 216 is fixedly connected to a rotating threaded rod 217 rotatably connected to the inner wall of the adjusting box 215. A rack 218 slidably connected to the inner wall of the adjusting box 215 is threadedly connected to the outer wall of the rotating threaded rod 217. A gear 220 rotatably connected to the inner wall of the adjusting box 215 is meshed with the outer wall of the rack 218. A sunshade 222 is rotatably connected to the outer wall of the lifting rod 213. A connecting shaft 221 fixedly connected to the outer wall of the sunshade 222 is fixedly connected to the rotation center of the gear 220.

[0030] Further, a lifting groove 214 is provided at the connecting portion between the inner side wall of the display screen 11 and the lifting rod 213, and the outer wall contour of the lifting rod 213 is in a "T" shape. The lifting rod 213 and the driving threaded rod 212 form a lifting structure with the lifting groove 214, which is beneficial to the rotation of the driving threaded rod 212 to drive the lifting rod 213 to slide along the inner wall of the lifting groove 214, so as to realize the control operation of lifting the sunshade 222.

[0031] Further, a sliding groove 219 is provided at the connecting portion between the inner wall of the adjusting box 215 and the rack 218. The rack 218 and the rotating threaded rod 217 form a sliding structure with the sliding groove 219, which is beneficial to the rotation of the rotating threaded rod 217 to drive the rack 218 to slide along the inner wall of the sliding groove 219, so as to realize the control operation of the rotation of the gear 220.

[0032] Further, the rotation centers of the sunshade 222 and the gear 220 coincide with each other. The sunshade 222 and the gear 220 and the connecting shaft 221 form a flipping structure with the lifting rod 213, which is beneficial to the rotation of the gear 220 through the connection of the connecting shaft 221 to drive the sunshade 222 to flip along the outer wall of the lifting rod 213, playing a role in the stability of the sunshade 222 after flipping, and realizing the control operation of conveniently shading and sheltering the display screen 11 and the connecting platform 3.

[0033] Further, a limiting groove 223 is provided at the connecting portion between the top of the display screen 11 and the sunshade 222. The sunshade 222 and the lifting rod 213 and the limiting groove 223 form an adjusting structure with the display screen 11, which is beneficial to the sliding of the lifting rod 213 through the connection of the limiting groove 223 to drive the sunshade 222 to lift along the top of the display screen 11, so as to realize the control operation of the convenience of folding and storing the sunshade 222.

[0034] Embodiment 2: As Figure 1 、 Figure 2 、 Figure 6 and Figure 7As shown in the figure, a multi-functional display device for a publicity vehicle proposed by the present utility model. Compared with the first embodiment, as another implementation manner of the present utility model, a connecting platform 3 is slidably connected to the inner wall of the publicity vehicle main body 1. A connecting box 31 is fixedly connected to the outer wall of the connecting platform 3. A servo motor 32 is fixedly connected to the outer wall of the connecting box 31. An output end of the servo motor 32 is fixedly connected to a worm 33 rotatably connected to the inner wall of the connecting box 31. A worm gear 34 rotatably connected to the inner wall of the connecting box 31 is meshed with the outer wall of the worm 33. A support rod 36 is rotatably connected to the bottom of the connecting platform 3. A rotating shaft 35 fixedly connected to the outer wall of the support rod 36 is fixedly connected to the rotation center of the worm gear 34. During operation, by providing the rotating shaft 35, when it is necessary to further improve the multi-functional use effect of the publicity vehicle and the stability of supporting the connecting platform 3, the connecting platform 3 can be first slid out along the outer wall of the publicity vehicle main body 1, and then the servo motor 32 is turned on. The rotation of the worm 33 drives the rotation of the worm gear 34, and through the connection of the rotating shaft 35, the support rod 36 is driven to perform a rotational movement along the bottom of the connecting platform 3, playing a role in conveniently supporting the connecting platform 3, realizing the control operation of the stability of supporting the connecting platform 3, and achieving the effect of improving the multi-functional display of the display device by the speaker.

[0035] Furthermore, the rotation centers of the support rod 36 and the worm gear 34 coincide with each other. And three groups of support rods 36 are provided. The outer wall contours of the connection parts of the three groups of support rods 36 and the connecting platform 3 are comb-shaped. The worm gear 34 forms a rotating structure with the connecting box 31 through the servo motor 32 and the worm 33. It is beneficial for the drive of the servo motor 32 to drive the worm gear 34 to perform a rotational movement along the inner wall of the connecting box 31 through the rotation of the worm 33, realizing the control operation of the rotation of the rotating shaft 35.

[0036] Furthermore, a placement groove 37 is opened at the connection part between the outer wall of the publicity vehicle main body 1 and the support rod 36. The support rod 36 forms a flipping structure with the connecting platform 3 through the worm gear 34 and the rotating shaft 35. It is beneficial for the rotation of the worm gear 34 to drive the support rod 36 to perform a flipping movement along the bottom of the connecting platform 3 through the connection of the rotating shaft 35, playing a role in conveniently supporting the connecting platform 3, realizing the control operation of the stability of supporting the connecting platform 3, and achieving the effect of improving the multi-functional display of the display device by the speaker.

[0037] Working principle: When using the multifunctional display device for a publicity vehicle, first, when the display device is used for publicity and display, in order to improve the convenience of shading and rain protection for the display screen 11 and the connecting platform 3, and to improve the convenience of folding and storing the sunshade 222, the driving micro-motor 211 can be turned on first, and the lifting rod 213 is driven to slide along the inner wall of the lifting groove 214 by the rotation of the driving threaded rod 212. Then, the rotating micro-motor 216 is turned on, and the rack 218 is driven to slide along the inner wall of the sliding groove 219 by the rotation of the rotating threaded rod 217, thereby driving the gear 220 to rotate. Through the connection of the connecting shaft 221, the sunshade 222 is driven to perform a flipping motion along the outer wall of the lifting rod 213, which plays a role in the stability of the sunshade 222 after flipping, and realizes the control operation of conveniently shading and rain protecting the display screen 11 and the connecting platform 3.

[0038] Finally, when in order to further improve the effect of the multifunctional use of the publicity vehicle and improve the stability of the support for the connecting platform 3, the connecting platform 3 can be first slid out along the outer wall of the publicity vehicle main body 1, and then the servo motor 32 is turned on. The rotation of the worm 33 drives the worm wheel 34 to rotate, and through the connection of the rotating shaft 35, the support rod 36 is driven to perform a rotational motion along the bottom of the connecting platform 3, which plays a role in conveniently supporting the connecting platform 3, realizes the control operation of the stability of the support for the connecting platform 3, and achieves the effect of improving the multifunctional display of the display device by the speaker.

[0039] This is the working principle of the multifunctional display device for a publicity vehicle.

[0040] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. A multifunctional display device for a promotional vehicle, comprising a promotional vehicle body (1) and a protective mechanism (2) arranged on the outer wall of the promotional vehicle body (1), characterized in that: The protection mechanism (2) comprises a turning assembly (21); The flip assembly (21) comprises a gear (220) and a sunshade (222); the outer wall of the propaganda vehicle body (1) is slidably connected to a display screen (11); the top of the display screen (11) is fixedly connected to a driving micro motor (211); the output end of the driving micro motor (211) is fixedly connected to a driving threaded rod (212) rotatably connected to the inner wall of the display screen (11); the outer wall of the driving threaded rod (212) is threadedly connected to a lifting rod (213) slidably connected to the inner wall of the display screen (11); the outer wall of the lifting rod (213) is fixedly connected to an adjustment box (215); the top of the adjustment box (215) is fixedly connected to the driving threaded rod (212). A rotating micro motor (216) is connected, the output end of the rotating micro motor (216) is fixedly connected to a rotating threaded rod (217) rotatably connected to the inner wall of the regulating box (215), the outer wall of the rotating threaded rod (217) is threadedly connected to a rack (218) slidably connected to the inner wall of the regulating box (215), the outer wall of the rack (218) is meshingly connected to a gear (220) rotatably connected to the inner wall of the regulating box (215), the outer wall of the lifting rod (213) is rotatably connected to a sun visor (222), and the rotation center of the gear (220) is fixedly connected to a connecting shaft (221) fixedly connected to the outer wall of the sun visor (222).

2. A multifunctional display device for a promotional vehicle according to claim 1, characterized in that: The inner wall of the propaganda vehicle body (1) is slidably connected to a connecting platform (3), the outer wall of the connecting platform (3) is fixedly connected to a connecting box (31), the outer wall of the connecting box (31) is fixedly connected to a servo motor (32), the output end of the servo motor (32) is fixedly connected to a worm (33) rotatably connected to the inner wall of the connecting box (31), the outer wall of the worm (33) is meshingly connected to a worm wheel (34) rotatably connected to the inner wall of the connecting box (31), the bottom of the connecting platform (3) is rotatably connected to a support rod (36), and the rotation center of the worm wheel (34) is fixedly connected to a rotating shaft (35) fixedly connected to the outer wall of the support rod (36).

3. The multifunctional display device for a promotional vehicle according to claim 1, characterized in that: A lifting groove (214) is provided at the connection portion between the inner side wall of the display screen (11) and the lifting rod (213), and the outer wall profile of the lifting rod (213) is in a "T" shape.

4. The multifunctional display device for a promotional vehicle according to claim 1, characterized in that: A sliding groove (219) is provided at the connection position between the inner wall of the regulating box (215) and the rack (218).

5. The multifunctional display device for a promotional vehicle according to claim 1, characterized in that: The rotation center of the sunshade (222) and the rotation center of the gear (220) are arranged to overlap with each other.

6. The multifunctional display device for a promotional vehicle according to claim 1, characterized in that: A limiting groove (223) is provided at the connection portion between the top of the display screen (11) and the sunshade (222).

7. The multifunctional display device for a promotional vehicle according to claim 2, characterized in that: The rotation center of the support rod (36) and the rotation center of the worm wheel (34) are arranged to overlap each other, and three groups of support rods (36) are arranged. The outer wall contours of the connection parts of the three groups of support rods (36) and the connecting platform (3) are comb-tooth-shaped.

8. The multifunctional display device for a promotional vehicle according to claim 2, characterized in that: A placement groove (37) is provided at the connection position between the outer wall of the propaganda vehicle body (1) and the support rod (36).

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