CN220809363U - Propaganda car with automatic clearance function of display screen - Google Patents

Abstract

The utility model discloses a propaganda car with an automatic display screen cleaning function, which belongs to the technical field of propaganda cars and comprises a car head and a car body, wherein display screens are respectively arranged on the front side surface and the rear side surface of the car body, an equipment box is fixedly arranged at the outer top of the car body, strip-shaped openings are respectively formed in the front side surface and the rear side surface of the equipment box, two sliding rails are fixedly arranged at the bottom of the equipment box, sliding plates are respectively arranged on the two sliding rails, an electric telescopic rod is arranged on the side wall, close to the strip-shaped opening, of each sliding plate, the end part of each electric telescopic rod penetrates through the strip-shaped opening, an air box is fixedly arranged at the end part of each electric telescopic rod, an air pump is arranged in the air box, an air outlet is formed in the bottom of the air box, and the air pump is communicated with the air outlet; the equipment box is provided with a driving mechanism, and the driving mechanism controls the two sliding plates to reciprocate along the sliding rails respectively. The utility model solves the problems that the LED screen of the propaganda car body is easy to be stained with dust, needs to be cleaned manually and is inconvenient in the prior art, and has simple and convenient operation and strong practicability.

Description

Propaganda car with automatic clearance function of display screen

Technical Field

The utility model relates to the technical field of propaganda vehicles, in particular to a propaganda vehicle with an automatic display screen cleaning function.

Background

The outdoor propaganda car is advertising equipment which displays advertising information through a mobile car body to serve as a propaganda carrier, is provided with equipment such as a movable type, is generally provided with sound, an industrial personal computer, a generator and the like, can realize sound and picture synchronization during normal operation, and belongs to one of the advertising cars.

When the conventional advertising vehicle is used, dust is easily attached to the LED screen of the vehicle body, and if the LED screen is not cleaned timely, the normal use effect of the LED display screen can be affected, and the LED display screen is required to be cleaned manually, so that the advertising vehicle is very inconvenient.

Disclosure of utility model

The utility model aims to provide a propaganda car with an automatic display screen cleaning function, which is used for solving the problem that dust is easy to adhere to an LED screen of a propaganda car body in the prior art, and cleaning is required to be carried out manually, so that the propaganda car is very inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a propaganda car with automatic clearance function of display screen, includes locomotive and carriage, install the display screen on the front and back side of carriage respectively, the outer top fixed mounting of carriage has the equipment box, the bar mouth has all been seted up on the front and back side of equipment box, two slide rails are installed to bottom fixed mounting in the equipment box, two install the slide plate on the slide rail respectively, install electric telescopic handle on the lateral wall that the slide plate is close to the bar mouth, the tip of electric telescopic handle runs through the bar mouth, electric telescopic handle's tip fixed mounting has bellows, be equipped with the air pump in the bellows, the bellows bottom is equipped with the air outlet, air pump and air outlet intercommunication; the equipment box is provided with a driving mechanism, and the driving mechanism controls the two sliding plates to reciprocate back and forth along the sliding rail respectively.

As a preferable technical scheme of the utility model: the driving mechanism comprises a motor and gears, the gears are rotatably arranged at the bottom in the equipment box, racks are respectively arranged on the opposite side walls of the two sliding plates, the gears are respectively meshed with the two racks, the motor is fixedly arranged at the top outside the equipment box, an output shaft of the motor penetrates into the equipment box, a cross rod is arranged at the end part of the output shaft of the motor, a supporting rod is fixedly connected with the end part of the cross rod, a limiting ring is fixedly connected to the top surface of one sliding plate, and the supporting rod is slidably connected in the limiting ring.

As a preferable technical scheme of the utility model: the gear is coaxially connected with a rotating shaft, and the bottom end of the rotating shaft is rotationally connected to the inner bottom of the equipment box.

As a preferable technical scheme of the utility model: the air outlets at the bottom of the air box are arranged in eight, and the eight air outlets are uniformly arranged at equal intervals.

By adopting the technical scheme, the utility model has the beneficial effects that: the device is simple in structure and ingenious in design, the device box is arranged at the top of the carriage, the sliding plate in the device box is used for driving the bellows to reciprocate above the display screen, the air pump in the bellows blows air flow onto the display screen through the air outlet, dust on the display screen is blown off rapidly and efficiently, cleaning of the display screen is automatically completed, and the device is high in practicability.

Drawings

FIG. 1 is a schematic diagram of a main structure of a propaganda car with an automatic display screen cleaning function;

fig. 2 is a schematic view of the internal structure of the equipment cabinet according to the present utility model.

In the figure: 1. a headstock; 2. a carriage; 3. a display screen; 4. an equipment box; 5. a strip-shaped opening; 6. a slide rail; 7. a slide plate; 8. an electric telescopic rod; 9. a wind box; 10. an air outlet; 11. a motor; 12. a gear; 13. a rack; 14. a cross bar; 15. and a limiting ring.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "upper surface", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, an embodiment of the present utility model is provided: a propaganda car with automatic display screen cleaning function comprises a car head 1 and a car body 2, wherein display screens 3 are respectively arranged on the front side surface and the rear side surface of the car body 2.

The outer top fixed mounting of carriage 2 has equipment box 4, has all seted up bar mouth 5 on the front and back side of equipment box 4, and interior bottom fixed mounting has two slide rails 6 in the equipment box 4, installs slide plate 7 on two slide rails 6 respectively, installs electric telescopic handle 8 on the lateral wall that slide plate 7 is close to bar mouth 5, and electric telescopic handle 8's tip fixed mounting has bellows 9, and electric telescopic handle 8's tip runs through out equipment box 4 for bellows 9 is arranged in outside the equipment box 4. The air box 9 is internally provided with an air pump, the bottom of the air box 9 is provided with air outlets 10, the air pump is communicated with the air outlets 10, the number of the air outlets 10 is eight according to the size of the air box 9, and the eight air outlets 10 are uniformly arranged at equal intervals.

The equipment box 4 is provided with a driving mechanism which controls the two sliding plates 7 to reciprocate back and forth along the sliding rails 6 respectively.

When dust is adhered to the display screen 3, the electric telescopic rod 8 drives the bellows 9 to move towards the display screen 3 until the air outlet 10 of the bellows 9 is positioned right above the display screen 3. The air pump is started, and the air pump blows air flow onto the display screen 3 through the air outlet 10, so that dust on the display screen 3 is blown off rapidly and accurately.

The sliding plate 7 in the equipment box 4 reciprocates back and forth along the sliding rail 6 to drive the bellows 9 to reciprocate back and forth at the top of the display screen 3, so that the air flow of the air outlet 10 at the bottom of the bellows 9 can be blown onto the display screen 3 uniformly without dead angles, and the display screen 3 is cleaned comprehensively.

Specifically, the driving mechanism comprises a motor 11 and a gear 12, the gear 12 is coaxially connected with a rotating shaft, the bottom end of the rotating shaft is rotatably arranged at the inner bottom of the equipment box 4, racks 13 are respectively arranged on opposite side walls of the two sliding plates 7, and the gear 12 is respectively meshed with the two racks 13.

The motor 11 is fixedly arranged at the outer top of the equipment box 4, an output shaft of the motor 11 penetrates into the equipment box 4, a cross rod 14 is arranged at the end part of the output shaft of the motor 11, a supporting rod is fixedly connected to the end part of the cross rod 14, a limiting ring 15 is fixedly connected to the top surface of one sliding plate 7, and the supporting rod is slidably connected into the limiting ring 15.

The motor 11 rotates to drive the cross rod 14 to do circular motion and rotate, the supporting rods connected with the end parts of the cross rod 14 slide along the inner wall of the limiting ring 15, and as the limiting ring 15 is fixedly arranged on the sliding plate 7 and the sliding plate 7 is in sliding connection with the sliding rail 6, the sliding plate 7 connected with the limiting ring 15 reciprocates along the sliding rail 6, the rack 13 on the sliding plate 7 is meshed with the gear 12, and the gear 12 drives the other sliding plate 7 to move in the rotating process, so that synchronous movement of the sliding plates 7 on two sides is skillfully realized, and the display screens 3 on two sides of the carriage 2 are cleaned simultaneously, so that the time and the labor are saved.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims (4)

1. The utility model provides a propaganda car with automatic clearance function of display screen, includes locomotive (1) and carriage (2), install display screen (3) on the front and back side of carriage (2) respectively, its characterized in that: the device is characterized in that an equipment box (4) is fixedly arranged at the outer top of the carriage (2), strip-shaped openings (5) are formed in the front side surface and the rear side surface of the equipment box (4), two sliding rails (6) are fixedly arranged at the inner bottom of the equipment box (4), sliding plates (7) are respectively arranged on the two sliding rails (6), an electric telescopic rod (8) is arranged on the side wall, close to the strip-shaped openings (5), of the sliding plates (7), the end part of the electric telescopic rod (8) penetrates through the strip-shaped openings (5), an air box (9) is fixedly arranged at the end part of the electric telescopic rod (8), an air pump is arranged in the air box (9), an air outlet (10) is formed in the bottom of the air box (9), and the air pump is communicated with the air outlet (10); the equipment box (4) is provided with a driving mechanism, and the driving mechanism controls the two sliding plates (7) to reciprocate back and forth along the sliding rail (6) respectively.

2. The propaganda car with automatic display screen cleaning function according to claim 1, characterized in that: the driving mechanism comprises a motor (11) and a gear (12), wherein the gear (12) is rotatably arranged at the inner bottom of the equipment box (4), racks (13) are respectively arranged on opposite side walls of the sliding plate (7), the gear (12) is respectively meshed with the two racks (13), the motor (11) is fixedly arranged at the outer top of the equipment box (4), an output shaft of the motor (11) penetrates into the equipment box (4), a cross rod (14) is arranged at the end part of the output shaft of the motor (11), a supporting rod is fixedly connected with the end part of the cross rod (14), a limiting ring (15) is fixedly connected to the top surface of the sliding plate (7), and the supporting rod is slidably connected into the limiting ring (15).

3. A propaganda car with automatic display screen cleaning function according to claim 2, characterized in that: the gear (12) is coaxially connected with a rotating shaft, and the bottom end of the rotating shaft is rotationally connected to the inner bottom of the equipment box (4).

4. The propaganda car with automatic display screen cleaning function according to claim 1, characterized in that: the air outlets (10) at the bottom of the air box (9) are provided with eight air outlets (10) which are uniformly arranged at equal intervals.