CN218768702U - Exhibitions is with portable multimedia propaganda equipment - Google Patents

Abstract

The utility model is suitable for a multimedia propaganda equipment field provides a portable multimedia propaganda equipment is used in exhibitions, including bottom plate, receiver, lid and display screen board, the fixed receiver that is provided with on the bottom plate, and lie in the fixed electronic telescoping cylinder that is provided with of receiver bilateral symmetry on the bottom plate, lid fixed mounting is served at the flexible of electronic telescoping cylinder, and the bottom surface of lid installs the display screen board, still includes the clearance subassembly, through setting up the clearance subassembly, drives the in-process of display screen board up-and-down motion at electronic telescoping cylinder, rotates thereupon together with the live-rollers in the clearance subassembly, and the sponge cover that the live-rollers upper cover was established can with display screen board surface rolling contact to realize the clearance to dust and impurity on the display screen board, avoid the phenomenon of dust and impurity accumulation to take place on the display screen board.

Description

A portable multimedia publicity device for exhibitions

technical field

The utility model relates to the field of multimedia publicity equipment, in particular to a portable multimedia publicity equipment for exhibitions.

Background technique

Multimedia publicity equipment is a display device that integrates information release, collection, unification, interactive experience, marketing, and dissemination. It can make people feel that information is everywhere. By using multimedia publicity equipment, various notification information can be effectively publicized .

After retrieval, CN216923825U, a portable multimedia publicity device for exhibitions, is provided with a storage component. When the portable multimedia publicity equipment for exhibitions is transported, the display panel is stored inside the storage box, and the sponge pads on both sides are connected to the display screen. The outer sides of the boards are in contact with each other. Through this structure, the display board can be effectively protected against collisions, thus solving the problem that traditional multimedia propaganda equipment does not have an anti-collision structure to avoid damage to the electronic screen during transportation. .

However, there are still certain defects in this application: although the display screen in this application can be stored and protected, the surface of the display screen will not only absorb certain dust due to static electricity and other reasons during the long-term use of the display screen , Moreover, when there are many mosquitoes in summer, some mosquito excrement will be attached to the display screen. After a long period of accumulation, it will affect the propaganda effect of the propaganda equipment. Therefore, it is necessary to design corresponding technical solutions to solve the existing problems. technical problem.

Utility model content

The purpose of this utility model is to provide a portable multimedia publicity device for exhibitions, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A portable multimedia publicity device for exhibitions, comprising a base plate, a storage box, a box cover and a display panel, the base plate is fixed with a storage box, and the base plate is symmetrically fixed on both sides of the storage box with electric telescopic cylinders, the The box cover is fixedly installed on the telescopic end of the electric telescopic cylinder, and the bottom surface of the box cover is equipped with a display panel, and also includes a cleaning assembly, which is used to clean up dust and impurities attached to the display panel. The cleaning assembly includes The outer casing fixedly arranged on one side of the storage box, the rotating roller arranged in the outer casing and the driving unit for driving the rotating roller to rotate, the rotating roller is covered with a sponge sleeve.

As a further solution of the utility model: the drive unit includes a first gear arranged in the storage box, a second gear meshed with the first gear, and a spur rack, and the first gear is located between the second gear and the spur rack. Between the bars, the spur rack is fixedly installed on the side of the display panel, and the second gear is fixedly connected with the rotating roller coaxially.

As a further solution of the present invention: the side of the display panel is symmetrically provided with fixed rods, and a sleeve is movably mounted on the fixed rod, and the sleeve is fixedly mounted on the inner wall of the storage box.

As a further solution of the utility model: the cleaning assembly also includes a dust scraping unit, the dust scraping unit includes a fixed plate, a movable rod and a scraper, the fixed plate is fixedly installed on the side of the storage box, and is located under the shell, fixed A plurality of movable rods are installed on the board, and a scraper is fixedly arranged on the top surface of the movable rod, and the scraper penetrates through the bottom surface of the shell and contacts with the sponge sleeve.

As a further solution of the utility model: the movable rod is movably installed on the fixed plate, and the movable rod is further provided with a spring on the rod body between the scraper and the fixed plate.

Compared with the prior art, the beneficial effects of the utility model are:

In the utility model, by setting the cleaning assembly, when the electric telescopic cylinder drives the display panel to move up and down, the rotating roller in the cleaning assembly rotates together with it, and the sponge sleeve set on the rotating roller can roll and contact with the surface of the display panel, and Realize the cleaning of dust and impurities on the display panel, and avoid the accumulation of dust and impurities on the display panel.

Description of drawings

Fig. 1 is an overall perspective view of a portable multimedia publicity device for exhibitions;

Fig. 2 is a side view sectional view of Fig. 1;

Fig. 3 is a partial enlarged view of A in Fig. 2;

In the figure: 1-bottom plate, 2-storage box, 3-box cover, 4-display panel, 5-electric telescopic cylinder, 6-outer shell, 7-rotating roller, 8-sponge cover, 9-first gear, 10 -spur rack, 11-second gear, 12-fixed rod, 13-sleeve, 14-fixed plate, 15-movable bar, 16-scraper, 17-spring.

Detailed ways

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Example 1

Please refer to Figure 1-3, a portable multimedia publicity equipment for exhibitions, including a base plate 1, a storage box 2, a box cover 3 and a display panel 4, the base plate 1 is fixed with a storage box 2, and the base plate 1 is located on Both sides of the storage box 2 are symmetrically fixed with an electric telescopic cylinder 5, and the lid 3 is fixedly installed on the telescopic end of the electric telescopic cylinder 5, and the bottom surface of the lid 3 is equipped with a display panel 4, and also includes a cleaning assembly. The cleaning assembly is used to clean the dust and impurities attached to the display panel 4. The cleaning assembly includes a casing 6 fixedly arranged on one side of the storage box 2, a rotating roller 7 arranged in the casing 6, and a device for driving the rotating roller 7 to rotate. The driving unit, the rotating roller 7 is covered with a sponge cover 8, wherein, when the display panel 4 moves upward, the driving unit drives the rotating roller 7 to rotate counterclockwise, and when the display screen moves downward, the driving unit drives the rotating roller 7 to rotate Clockwise rotation, by setting the cleaning assembly, in the process that the electric telescopic cylinder 5 drives the display panel 4 to move up and down, the rotating roller 7 in the cleaning assembly rotates thereupon, and the sponge cover 8 set on the rotating roller 7 can be connected with the display panel The surface of 4 is in rolling contact, and the cleaning of dust and impurities on the display panel 4 is realized, and the accumulation of dust and impurities on the display panel 4 is avoided.

Specifically, the drive unit includes a first gear 9 that is rotatably arranged in the storage box 2, a second gear 11 meshing with the first gear 9, and a spur rack 10, and the first gear 9 is located on the second gear 11. Between the spur rack 10 and the spur rack 10, the spur rack 10 is fixedly installed on the side of the display panel 4, and the second gear 11 is coaxially fixedly connected with the rotating roller 7. The setting of the drive unit does not need to be additionally provided with a driving element to drive the rotating roller 7 Rotation reduces production costs.

In addition, the side of the display panel 4 is also symmetrically provided with a fixed rod 12, and a sleeve 13 is movably installed on the fixed rod 12, and the sleeve 13 is fixedly installed on the inner wall of the storage box 2, and the fixed rod 12 and the sleeve The purpose of setting 13 is to guide the up and down movement of the display panel 4, so that the vertical up and down movement of the display panel 4 is more stable, while ensuring the stability of the meshing of the spur rack 10 and the first gear 9.

Further, in order to avoid certain dust and impurities attached to the sponge cover 8 after the cleaning assembly has been used for a long time, the cleaning assembly of the present application also includes a dust scraping unit, which includes a fixed plate 14, a movable rod 15 and a scraper plate 16, the fixed plate 14 is fixedly installed on the side of the storage box 2, and is located below the shell 6, a plurality of movable rods 15 are installed on the fixed plate 14, and a scraper 16 is fixedly arranged on the top surface of the movable rod 15, so that The scraper 16 runs through the bottom surface of the housing 6 and contacts the sponge cover 8. By setting the fixed plate 14, the movable rod 15 and the scraper 16, as shown in FIG. When relative scraper 16 rotates, scraper 16 carries out dust scraping operation to the bottom surface of sponge cover 8 all the time, effectively avoids the phenomenon that dust accumulates on sponge cover 8, has further improved the practicability of this cleaning assembly.

In order to further improve the scraping effect of the scraper 16 on the sponge cover 8, the movable rod 15 of the present application is movably installed on the fixed plate 14, and the movable rod 15 is also provided with a spring on the rod body between the scraper 16 and the fixed plate 14. 17.

Working principle: When the device is not in use, by controlling the electric telescopic cylinder 5, the display panel 4 is stored in the storage box 2. During the downward movement of the display panel 4, the straight teeth on the side of the display panel 4 The bar 10 meshes with the first gear 9, so that the first gear 9 rotates, and through the meshing with the second gear 11, the rotating roller 7 rotates clockwise, and the rotating roller 7 and the sponge cover 8 can remove dust from the surface of the display panel 4. and cleaning of impurities, and the scraper 16 below the rotating roller 7 can simultaneously scrape off the dust and impurities attached to the sponge cover 8. On the contrary, when the device needs to be used, the display screen rotates during the upward movement. The roller 7 rotates counterclockwise to clean up the surface of the display panel 4 again.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. The utility model provides a meeting exhibition is with portable multi-media propaganda equipment, includes bottom plate (1), receiver (2), lid (3) and display screen board (4), its characterized in that, the fixed receiver (2) that is provided with on bottom plate (1), and lie in on bottom plate (1) that receiver (2) bilateral symmetry is fixed to be provided with electronic telescoping cylinder (5), lid (3) fixed mounting is served at the flexible of electronic telescoping cylinder (5), and the bottom surface of lid (3) installs display screen board (4), still includes the clearance subassembly, the clearance subassembly is used for the clearance to adhere to dust and impurity on display screen board (4), and the clearance subassembly is including fixed shell (6) that set up in receiver (2) one side, rotation setting live-rollers (7) and drive live-rollers (7) pivoted drive unit in shell (6), live-rollers (7) go up the cover and are equipped with sponge cover (8).

2. The portable multimedia propaganda apparatus for exhibitions according to claim 1, wherein the driving unit includes a first gear (9) rotatably installed in the storage case (2), a second gear (11) engaged with the first gear (9), and a spur rack (10), the first gear (9) is located between the second gear (11) and the spur rack (10), the spur rack (10) is fixedly installed at a side of the display panel (4), and the second gear (11) is coaxially and fixedly connected with the rotary roller (7).

3. The portable multimedia propaganda equipment for exhibitions according to claim 1, wherein fixing rods (12) are symmetrically arranged on the side of the display panel (4), sleeves (13) are movably mounted on the fixing rods (12), and the sleeves (13) are fixedly mounted on the inner wall of the storage box (2).

4. The exhibitions is with portable multi-media propaganda equipment of claim 1, wherein, the clearance subassembly is still including scraping grey unit, it includes fixed plate (14), movable rod (15) and scraper blade (16) to scrape grey unit, fixed plate (14) fixed mounting is in receiver (2) side to be located shell (6) below, installs a plurality of movable rod (15) on fixed plate (14), the fixed scraper blade (16) that is provided with in top surface of movable rod (15), scraper blade (16) run through shell (6) bottom surface and with the contact of sponge cover (8).

5. A portable multimedia propaganda apparatus for exhibitions according to claim 4, wherein said movable rod (15) is movably mounted on the fixed plate (14), and a spring (17) is further sleeved on the rod body of the movable rod (15) between the scraper (16) and the fixed plate (14).

Images