Interactive advertisement large-screen equipment

Abstract

The utility model discloses an interactive advertisement large-screen device, which relates to the technical field of advertisement screen devices and comprises an advertisement screen, a display screen, a display screen and a display screen. A fixing frame; the sleeve rod is fixedly connected with the fixing frame, an adjusting channel is formed in the sleeve rod, and a plurality of positioning holes are further formed in the sleeve rod; the mounting frame comprises an adjusting end, the adjusting end is movably arranged in the adjusting channel, a containing cavity is formed in the mounting frame, a connecting plate and an inner rod are movably connected in the containing cavity, the inner rod is connected with the connecting plate, and the advertising screen is arranged on the mounting frame; the inner rod is connected with the pressing rod, the movable seat is connected with a positioning pin, the fixed seat is fixedly connected with the adjusting end, the fixed seat is provided with a mounting cavity and a through hole communicated with the mounting cavity, the movable seat is movably arranged in the mounting cavity, the positioning pin extends out of the mounting cavity from the through hole, and the positioning pin is matched with the positioning hole. The interactive advertisement large-screen equipment provided by the technical scheme of the utility model can adapt to people with different heights, and the applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of advertising screen equipment, in particular to an interactive large-screen advertising equipment. Background Art

[0002] Advertising screens are screen devices used to display advertising content, usually used in commercial places, public transportation, outdoor advertising and other scenarios. These screens can be made of LED, LCD or other display technologies, with high brightness, high definition and remote control, so as to attract the audience's attention and effectively convey advertising information.

[0003] The existing advertising screens have some defects when used. For example, the height of the advertising screen cannot be adjusted, and effective interactive operations cannot be performed when facing people of different heights. Utility Model Content

[0004] The main purpose of the utility model is to provide an interactive large-screen advertising device, aiming to solve the technical problem that the current advertising screen cannot be adjusted in height and cannot adapt to people of different heights.

[0005] To achieve the above purpose, the interactive large-screen advertising device proposed by the utility model includes:

[0006] Advertising screen;

[0007] Fixed frame;

[0008] A sleeve rod, the sleeve rod is fixedly connected to the fixing frame, an adjustment channel is provided inside the sleeve rod, and a plurality of positioning holes are provided on the sleeve rod, and the plurality of positioning holes are all connected to the adjustment channel;

[0009] A mounting frame, the mounting frame comprising an adjustment end, the adjustment end being movably disposed in the adjustment channel, the mounting frame having an accommodation cavity disposed therein, a connecting plate and an inner rod being movably connected in the accommodation cavity, the inner rod being connected to the connecting plate, and the advertising screen being disposed on the mounting frame; and

[0010] A positioning mechanism, the positioning mechanism includes a pressure rod, a fixed seat and a movable seat, the end of the inner rod away from the connecting plate is connected to the pressure rod, the movable seat is connected to a positioning pin, the fixed seat is arranged in the accommodating cavity and fixedly connected to the adjusting end, the fixed seat is provided with an installation cavity and a through hole connected to the installation cavity, the movable seat is movably arranged in the installation cavity, and the positioning pin extends out of the installation cavity from the through hole, and the positioning pin cooperates with the positioning hole.

[0011] In one embodiment, the positioning mechanism also includes a first spring, one end of which is connected to the inner wall of the fixed seat, and the other end is connected to the side of the movable seat away from the positioning pin, an oblique groove is provided on the side wall of the movable seat, and the end of the pressure rod away from the inner rod is connected to a slider, and the slider is slidably connected in the oblique groove.

[0012] In one embodiment, the positioning mechanism also includes a support foot, the bottom of the support foot is connected to the inner rod, the top of the support foot is connected to the pressure rod, two pressure rods are provided, the two side walls opposite to each other of the movable seat are provided with the inclined grooves, the two pressure rods are respectively arranged corresponding to the two inclined grooves, the two side walls of the fixed seat are provided with slots, and the pressure rod is slidably connected to the slots.

[0013] In one embodiment, a second spring is connected to the top surface of the connecting plate, an end of the second spring facing away from the connecting plate is connected to the inner wall of the mounting frame, a button is connected to the bottom of the connecting plate, the mounting frame is provided with an avoidance opening, and the button extends to the outside of the mounting frame through the avoidance opening.

[0014] In one embodiment, the mounting frame includes a horizontal beam and a vertical beam, and two vertical beams are provided, the two vertical beams are respectively connected to the two ends of the horizontal beam, the inner rod is arranged inside the vertical beam, the connecting plate is arranged inside the horizontal beam, and the advertising screen is arranged on the outer wall of the horizontal beam.

[0015] In one embodiment, two sleeve rods are provided, and the two sleeve rods are arranged in one-to-one correspondence with the two vertical beams, and the inner rod and the positioning mechanism are respectively connected to the two vertical beams.

[0016] In one embodiment, the sleeve rod is connected to a fixed beam, the fixed beam is connected to a cleaning assembly, the cleaning assembly includes a cleaning drive and a cleaning brush, the cleaning drive is fixedly connected to the fixed beam, the cleaning drive drives the cleaning brush and drives the cleaning brush to move to clean the advertising screen.

[0017] In one embodiment, the cleaning assembly further includes a threaded rod and a slide seat, wherein the slide seat is threadedly connected to the threaded rod, the cleaning drive member is drivingly connected to the threaded rod and drives the threaded rod to rotate, the rotation of the threaded rod drives the slide seat to move along the threaded rod, and the cleaning brush is connected to the slide seat.

[0018] In one embodiment, the fixed beam defines an activity chamber, the threaded rod and the slide seat are both disposed in the activity chamber, the fixed beam defines an avoidance groove, and one end of the slide seat extends out of the avoidance groove and is connected to the cleaning brush.

[0019] In one embodiment, two cleaning brushes are provided, and the two cleaning brushes are respectively connected to the slide seat and are located on two opposite sides of the advertising screen.

[0020] The technical solution of the utility model adopts a sleeve rod connected to a fixed frame to fix the advertising screen on the mounting frame, and the mounting frame is movably connected in the adjustment channel of the sleeve rod, so that the mounting frame moves in the sleeve rod to adjust the height of the advertising screen. Specifically, a connecting plate and an inner rod are set in the mounting frame, and the inner rod and the pressure rod are driven to rise by driving the connecting plate to rise. The rising pressure rod will drive the movable seat to move inside the fixed seat, and further drive the cylindrical pin to retract, so that the positioning hole releases the limit on the cylindrical pin. At this time, the advertising screen can be moved up and down by using the gravity of the mounting frame itself to drop and push the mounting frame to rise, so as to adapt to people of different heights to control and operate the advertising screen and realize interaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the structure of an embodiment of an interactive advertising large-screen device provided by the utility model;

[0023] Figure 2 A partial cross-sectional structural schematic diagram of an embodiment of an interactive large-screen advertising device provided by the utility model;

[0024] Figure 3 A partial structural diagram of a positioning mechanism of an embodiment of an interactive large-screen advertising device provided by the utility model;

[0025] Figure 4 This is a structural schematic diagram of the positioning mechanism of an embodiment of an interactive advertising large-screen device provided by the utility model.

[0026] Description of Figure Numbers:

[0027] 100. Advertising screen;

[0028] 200, fixed frame;

[0029] 300, sleeve rod; 310, positioning hole;

[0030] 400, mounting frame; 410, inner rod; 420, connecting plate; 430, second spring; 440, button; 450, cross beam; 460, vertical beam;

[0031] 500, positioning mechanism; 510, pressure rod; 520, fixed seat; 521, slot; 530, movable seat; 531, inclined slot; 540, positioning pin; 550, first spring; 560, slider; 570, support foot;

[0032] 600, fixed beam; 610, activity room;

[0033] 700, cleaning assembly; 710, cleaning drive member; 720, cleaning brush; 730, threaded rod; 740, slide seat.

[0034] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0037] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0038] In the prior art, there are some defects in the use of advertising screens. First, the height of the advertising screen cannot be adjusted, and effective interactive operations cannot be performed when facing people of different heights. Second, the advertising screen is placed outside and dust easily accumulates on the surface, making it difficult to clean.

[0039] The utility model provides a large-screen interactive advertising device.

[0040] See also Figures 1 to 4 As shown, in one embodiment of the utility model, the interactive large-screen advertising device includes: an advertising screen 100, a fixing frame 200, a sleeve rod 300, a mounting frame 400, and a positioning mechanism 500, wherein the sleeve rod 300 is fixedly connected to the fixing frame 200, an adjustment channel is provided inside the sleeve rod 300, and the sleeve rod 300 also has a plurality of positioning holes 310, and the plurality of positioning holes 310 are all connected to the adjustment channel. The mounting frame 400 includes an adjustment end, which is movably arranged in the adjustment channel, and an accommodating cavity is provided inside the mounting frame 400, and a connecting plate 420 and an inner rod 410 are movably connected in the accommodating cavity, and the inner rod 410 is connected to the connecting plate 420, and the advertising screen 100 is arranged on the mounting frame 400. The positioning mechanism 500 includes a pressure rod 510, a fixed seat 520 and a movable seat 530. The end of the inner rod 410 away from the connecting plate 420 is connected to the pressure rod 510. The movable seat 530 is connected to a positioning pin 540. The fixed seat 520 is arranged in the accommodating cavity and is fixedly connected to the adjusting end. The fixed seat 520 is provided with an installation cavity and a through hole connected to the installation cavity. The movable seat 530 is movably arranged in the installation cavity, and the positioning pin 540 extends out of the installation cavity from the through hole. The positioning pin 540 cooperates with the positioning hole 310.

[0041] In this embodiment, the fixing frame 200 is supported on the supporting surface, and the fixing frame 200 is fixedly connected to the outer wall of the sleeve rod 300, such as bolt connection or welding. An adjustment channel is provided inside the sleeve rod 300, and an opening is provided at the lower end of the sleeve rod 300. The top end of the mounting frame 400 is an adjustment end, and the adjustment end extends into the adjustment channel through the opening and slides up and down along the adjustment channel. The connecting plate 420, the inner rod 410 and the positioning mechanism 500 are all located in the accommodating cavity of the mounting frame 400. The positioning mechanism 500 is connected to the inner rod 410, and the connecting plate 420 is driven to rise to drive the inner rod 410 to rise, thereby driving the pressure rod 510 of the positioning mechanism 500 to rise. The pressure rod 510 rises to make the movable seat 530 move in the fixing seat 520, thereby realizing the movement of the positioning pin 540, and releasing the connection between the positioning pin 540 and the positioning hole 310, and then the height of the advertising screen 100 can be adjusted by driving the mounting frame 400 to rise. Specifically, the pressure rod 510 rises in the vertical direction, driving the movable seat 530 to move in the lateral direction. The positioning pin 540 is fixed on the movable seat 530. In this way, the movable seat 530 drives the positioning pin 540 to move lateraly to release the positioning.

[0042] The technical solution of the utility model adopts the sleeve rod 300 connected to the fixing frame 200 to fix the advertising screen 100 on the mounting frame 400, and the mounting frame 400 is movably connected in the adjustment channel of the sleeve rod 300, so that the mounting frame 400 moves in the sleeve rod 300 to adjust the height of the advertising screen 100. Specifically, a connecting plate 420 and an inner rod 410 are arranged in the mounting frame 400, and the inner rod 410 and the pressure rod 510 are driven to rise by driving the connecting plate 420 to rise, and the rising pressure rod 510 will drive the movable seat 530 to move inside the fixing seat 520, and further drive the cylindrical pin to retract, so that the positioning hole 310 releases the limit of the cylindrical pin. At this time, the advertising screen 100 can be moved up and down by using the gravity of the mounting frame 400 itself to drop and push the mounting frame 400 to rise, so as to adapt to people of different heights to control and operate the advertising screen 100 and realize interaction.

[0043] In one embodiment, reference Figure 3 and Figure 4 As shown, the positioning mechanism 500 also includes a first spring 550, one end of which is connected to the inner wall of the fixed seat 520, and the other end is connected to the side of the movable seat 530 away from the positioning pin 540. The side wall of the movable seat 530 is provided with an inclined groove 531, and the end of the pressure rod 510 away from the inner rod 410 is connected to a slider 560, and the slider 560 is slidably connected in the inclined groove 531.

[0044] In this embodiment, the pressure rod 510 slides along the inclined groove 531 through the slider 560, so that the pressure rod 510 moves in the vertical direction to drive the movable seat 530 to move horizontally. The first spring 550 is located in the installation cavity of the fixed seat 520, and is installed between the side wall of the movable seat 530 away from the positioning pin 540 and the inner wall of the fixed seat 520. In this way, the first spring 550 makes the movable seat 530 have a tendency to move horizontally, driving the movable seat 530 to move in the direction of the positioning pin 540, so that the positioning pin 540 is automatically inserted into the positioning hole 310. It can be understood that after contacting the positioning pin 540 for positioning, the first spring 550 is compressed. When the positioning pin 540 moves to the corresponding positioning hole 310, the first spring 550 drives the movable seat 530 to move under the action of elastic force, so that the positioning pin 540 is inserted into the positioning hole 310 and restored to position.

[0045] In one embodiment, the positioning mechanism 500 also includes a support foot 570, the bottom of the support foot 570 is connected to the inner rod 410, the top of the support foot 570 is connected to the pressure rod 510, two pressure rods 510 are provided, and the two side walls opposite to each other of the movable seat 530 are provided with inclined grooves 531, and the two pressure rods 510 are respectively arranged corresponding to the two inclined grooves 531, and the two side walls of the fixed seat 520 are provided with slots 521, and the pressure rod 510 is slidably connected to the slots 521.

[0046] Specifically, the top of the support leg 570 is connected to two parallel pressure rods 510, and the bottom of the support leg 570 is connected to the inner rod 410. The inner rod 410 drives the two pressure rods 510 to rise synchronously through the support leg 570. Correspondingly, the two opposite side walls of the movable seat 530 are provided with oblique grooves 531, and the two pressure rods 510 slide along the oblique grooves 531 through corresponding sliders 560. The fixed seat 520 is provided with two slots 521 for accommodating the pressure rods 510 and sliding in the slots 521. The pressure rods 510 pass through the slots 521 to connect to the sliders 560. The slots 521 also play the role of positioning and avoiding.

[0047] In one embodiment, reference Figure 2 As shown, the top surface of the connecting plate 420 is connected to a second spring 430, one end of the second spring 430 facing away from the connecting plate 420 is connected to the inner wall of the mounting frame 400, the bottom of the connecting plate 420 is connected to a button 440, the mounting frame 400 is provided with an escape opening, and the button 440 extends to the outside of the mounting frame 400 through the escape opening. The second spring 430 is arranged between the connecting plate 420 and the inner wall of the mounting frame 400, the connecting plate 420 is driven to rise by the button 440, the second spring 430 is compressed, and after the button 440 is released, the button 440 is driven to reset under the elastic force of the second spring 430. In this way, the button 440 can always be located outside the connecting plate 420, which is convenient for operation.

[0048] In one embodiment, the mounting frame 400 includes a horizontal beam 450 and a vertical beam 460, and two vertical beams 460 are provided, and the two vertical beams 460 are respectively connected to the two ends of the horizontal beam 450, the inner rod 410 is arranged inside the vertical beam 460, the connecting plate 420 is arranged inside the horizontal beam 450, and the advertising screen 100 is arranged on the outer wall of the horizontal beam 450.

[0049] In the specific implementation process, the two ends of the cross beam 450 are respectively connected to a vertical beam 460, so that the mounting frame 400 is a U-shaped structure, and the advertising screen 100 is installed on the cross beam 450 and is located between the two vertical beams 460. It can be understood that the connecting plate 420 is located in the cross beam 450, and each vertical beam 460 is provided with an inner rod 410. Correspondingly, there are two sleeve rods 300, and the two sleeve rods 300 are arranged one by one with the two vertical beams 460, and the two vertical beams 460 are respectively connected with the inner rod 410 and the positioning mechanism 500. In order to improve the strength of the mounting frame 400, the cross beam 450 and the number are integrally formed.

[0050] In one embodiment, the sleeve rod 300 is connected to a fixed beam 600, and the fixed beam 600 is connected to a cleaning assembly 700. The cleaning assembly 700 includes a cleaning drive 710 and a cleaning brush 720. The cleaning drive 710 is fixedly connected to the fixed beam 600, and the cleaning drive 710 drives the connected cleaning brush 720 and drives the cleaning brush 720 to move to clean the advertising screen 100. The fixed beam 600 is fixedly mounted on the top of the sleeve rod 300, and the cleaning assembly 700 is mounted on the fixed beam 600. The cleaning brush 720 extends toward the advertising screen 100, and the cleaning drive 710 drives the cleaning brush 720 to clean the advertising screen 100.

[0051] Furthermore, the cleaning assembly 700 also includes a threaded rod 730 and a slide 740, the slide 740 is threadedly connected to the threaded rod 730, the cleaning drive 710 is drivingly connected to the threaded rod 730 and drives the threaded rod 730 to rotate, the rotation of the threaded rod 730 drives the slide 740 to move along the threaded rod 730, and the cleaning brush 720 is connected to the slide 740.

[0052] In the specific implementation process, the cleaning drive member 710 adopts a servo motor, the output shaft of the servo motor is connected to the threaded rod 730, and drives the threaded rod 730 to rotate, the slide 740 is threadedly connected to the threaded rod 730, and the rotation of the threaded rod 730 drives the slide 740 to move along the threaded rod 730. The cleaning brush 720 is also connected to the slide 740, and the movement of the slide 740 drives the cleaning brush 720 to move synchronously, thereby cleaning the advertising screen 100.

[0053] Furthermore, the fixed beam 600 is provided with an activity chamber 610, the threaded rod 730 and the slide 740 are both arranged in the activity chamber 610, the fixed beam 600 is provided with an avoidance groove, and one end of the slide 740 extends out of the avoidance groove and is connected to the cleaning brush 720. In order to protect the threaded rod 730 and the slide 740 from dust, the fixed beam 600 is provided with an activity chamber 610 and an avoidance groove connected to the activity chamber 610, wherein the threaded rod 730 and the slide 740 are both installed in the activity chamber 610, one end of the threaded rod 730 is rotatably connected to the inner wall of the activity chamber 610 through a bearing, and the output shaft of the servo motor passes through the fixed beam 600 and is connected to the other end of the threaded rod 730. The avoidance groove extends in the lateral direction, and one end of the slide 740 extends out of the avoidance groove and is connected to the cleaning brush 720, so that the slide 740 can drive the cleaning brush 720 to move and facilitate the replacement of the cleaning brush 720.

[0054] In the specific implementation process, two cleaning brushes 720 are provided, and the two cleaning brushes 720 are respectively connected to the slide 740 and are located on two opposite sides of the advertising screen 100. The two cleaning brushes 720 are driven to move by a slider 560 to clean the two opposite sides of the advertising screen 100. It can be understood that both sides of the advertising screen 100 are used for advertising display, and the two opposite sides of the slide 740 are connected to the cleaning brushes 720, and the two cleaning brushes 720 are arranged opposite to each other to clean the two opposite sides of the advertising screen 100 at the same time.

[0055] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An interactive advertising large-screen device, characterized in that: include: Advertising screen; Fixed frame; A sleeve rod, the sleeve rod is fixedly connected to the fixing frame, an adjustment channel is provided inside the sleeve rod, and a plurality of positioning holes are provided on the sleeve rod, and the plurality of positioning holes are all connected to the adjustment channel; A mounting frame, the mounting frame comprising an adjustment end, the adjustment end being movably disposed in the adjustment channel, an accommodating cavity being provided inside the mounting frame, a connecting plate and an inner rod being movably connected in the accommodating cavity, the inner rod being connected to the connecting plate, and the advertising screen being disposed on the mounting frame; as well as A positioning mechanism, the positioning mechanism includes a pressure rod, a fixed seat and a movable seat, the end of the inner rod away from the connecting plate is connected to the pressure rod, the movable seat is connected to a positioning pin, the fixed seat is arranged in the accommodating cavity and fixedly connected to the adjusting end, the fixed seat is provided with an installation cavity and a through hole connected to the installation cavity, the movable seat is movably arranged in the installation cavity, and the positioning pin extends out of the installation cavity from the through hole, and the positioning pin cooperates with the positioning hole.

2. The interactive advertising large-screen device according to claim 1, characterized in that: The positioning mechanism also includes a first spring, one end of which is connected to the inner wall of the fixed seat, and the other end is connected to the side of the movable seat away from the positioning pin. An oblique groove is provided on the side wall of the movable seat, and the end of the pressure rod away from the inner rod is connected to a slider, and the slider is slidably connected in the oblique groove.

3. The interactive advertising large-screen device according to claim 2, characterized in that: The positioning mechanism also includes a support foot, the bottom of the support foot is connected to the inner rod, the top of the support foot is connected to the pressure rod, two pressure rods are provided, the two opposite side walls of the movable seat are provided with the inclined grooves, the two pressure rods are respectively arranged corresponding to the two inclined grooves, the two side walls of the fixed seat are provided with slots, and the pressure rod is slidably connected to the slots.

4. The interactive advertising large-screen device according to claim 1, characterized in that: The top surface of the connecting plate is connected to a second spring, one end of the second spring facing away from the connecting plate is connected to the inner wall of the mounting frame, the bottom of the connecting plate is connected to a button, the mounting frame is provided with an avoidance opening, and the button extends to the outside of the mounting frame through the avoidance opening.

5. The interactive advertising large-screen device according to claim 1, characterized in that: The mounting frame includes a horizontal beam and a vertical beam, and two vertical beams are provided. The two vertical beams are respectively connected to the two ends of the horizontal beam, the inner rod is arranged inside the vertical beam, the connecting plate is arranged inside the horizontal beam, and the advertising screen is arranged on the outer wall of the horizontal beam.

6. The interactive large-screen advertising device according to claim 5, characterized in that: There are two sleeve rods, and the two sleeve rods are arranged in one-to-one correspondence with the two vertical beams, and the inner rod and the positioning mechanism are respectively connected in the two vertical beams.

7. The interactive large-screen advertising device according to claim 1, characterized in that: The sleeve rod is connected to a fixed beam, the fixed beam is connected to a cleaning assembly, the cleaning assembly includes a cleaning drive and a cleaning brush, the cleaning drive is fixedly connected to the fixed beam, the cleaning drive drives the cleaning brush and drives the cleaning brush to move to clean the advertising screen.

8. The interactive advertising large-screen device according to claim 7, characterized in that: The cleaning assembly also includes a threaded rod and a slide seat, the slide seat is threadedly connected to the threaded rod, the cleaning drive is drivingly connected to the threaded rod and drives the threaded rod to rotate, the rotation of the threaded rod drives the slide seat to move along the threaded rod, and the cleaning brush is connected to the slide seat.

9. The interactive advertising large-screen device according to claim 8, characterized in that: The fixed beam defines an activity chamber, the threaded rod and the slide seat are both arranged in the activity chamber, the fixed beam defines an avoidance groove, and one end of the slide seat extends out of the avoidance groove and is connected to the cleaning brush.

10. The interactive large-screen advertising device according to claim 8, characterized in that: There are two cleaning brushes, which are respectively connected to the slide seat and located on two opposite sides of the advertising screen.

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