CN219351750U

CN219351750U - Public broadcasting system convenient to maintain

Info

Publication number: CN219351750U
Application number: CN202320376035.XU
Authority: CN
Inventors: 葛良斌; 毛椅俊; 施勇
Original assignee: Anhui Zhongheng Fengchuang Technology Co ltd
Current assignee: Anhui Zhongheng Fengchuang Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-14
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a public broadcasting system convenient to maintain, which comprises a stand column, wherein a liftable mounting plate is arranged on the side wall of the stand column, a broadcasting loudspeaker body is rotatably arranged at the bottom of one side of the mounting plate far away from the stand column, an ejection assembly is arranged on the side wall of the mounting plate, a liftable cover body is arranged at the top of the side wall of the mounting plate, and a cleaning assembly is arranged in the cover body; the cleaning assembly comprises a cleaning roller, the cleaning roller is rotatably arranged at one side of the inner bottom of the cover body away from the mounting plate, and two sides of the cleaning roller are connected with a connecting gear at the outer side of the cover body through connecting pieces. This public broadcasting system of convenient maintenance is provided with the cleaning roller, at the cover body decline to the broadcast megaphone body shelter from the in-process, because rack and drive gear's effect for connecting gear is driven rotatoryly, and connecting gear drives the cleaning roller and rotates, and its direction of rotation is clockwise, makes things convenient for the cleaning roller to clear up the surface dust of broadcast megaphone body.

Description

Public broadcasting system convenient to maintain

Technical Field

The utility model relates to the technical field of public broadcasting systems, in particular to a public broadcasting system convenient to maintain.

Background

Broadcasting propaganda is often carried out by using a broadcasting system in places such as villages, schools, factories, stations, wharfs, squares and the like, and public broadcasting is used as an important component in media, so that the method has certain advantages, especially when emergencies and natural disasters are encountered.

The publication number is: the utility model patent of CN213028538U discloses a waterproof loudspeaker for public broadcasting, relates to the technical field of loudspeaker, and aims to solve the problems that the traditional loudspeaker for public broadcasting is inconvenient to install and easy to feed water when being used. The waterproof weather shield cover is installed to one side of installation fixed plate, waterproof weather shield cover is installed to the top of installation fixed plate one side, the installation regulation seat is installed to the below of waterproof weather shield cover, the internally mounted of installation regulation seat has waterproof public address loudspeaker, the inside of waterproof public address loudspeaker one side is provided with the thermovent, the externally mounted of waterproof public address loudspeaker has the regulation installation piece, the inside of regulation installation piece is provided with the installation fixed orifices, the connecting block is all installed at the both ends of waterproof public address loudspeaker, the internally mounted of connecting block has fixed pivot, the externally mounted of fixed pivot has.

However, the above technical solution has certain drawbacks: 1. above-mentioned patent is when in-service use, and the unable convenient clearance of dust leads to when subsequent use, and broadcast effect is not good.

2. Above-mentioned patent is when in actual use, realizes sheltering from the rainwater through waterproof weather shield cover, can't shelter from the rainwater completely, leads to inside possible intaking to influence the life of device.

Disclosure of Invention

The utility model aims to provide a public broadcasting system convenient to maintain, which solves the problems that dust in the background technology cannot be cleaned conveniently and the rainwater shielding effect is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a public broadcasting system convenient to maintain, which comprises a stand column,

the side wall of the upright post is provided with a liftable mounting plate, the bottom of one side of the mounting plate far away from the upright post is rotationally provided with a broadcast loudspeaker body, the side wall of the mounting plate is provided with an ejection assembly, the ejection assembly is used for adjusting the inclination angle of the broadcast loudspeaker body, the top of the side wall of the mounting plate is provided with a liftable cover body, the cover body is used for shielding the broadcast loudspeaker body, and the cover body is internally provided with a cleaning assembly;

the cleaning assembly comprises a cleaning roller, the cleaning roller is rotatably arranged at one side of the inner bottom of the cover body away from the mounting plate, and two sides of the cleaning roller are connected with a connecting gear at the outer side of the cover body through connecting pieces.

Through adopting above-mentioned technical scheme, when using, shelter from broadcast megaphone body through the decline of the cover body, and then realize the waterproof guard effect to broadcast megaphone body to the decline of the cover body drives the internal cleaning roller of cover and rotates, realizes the effect of clearance to the surface of broadcast megaphone body at the in-process that descends, and connecting gear plays effectual transmission effect.

As a further scheme of the utility model: the inside pneumatic cylinder that is equipped with of stand, and the output shaft of pneumatic cylinder is connected with the slider that the mounting panel inserted in the stand.

Through adopting above-mentioned technical scheme, can drive the lift of mounting panel through the pneumatic cylinder in the stand at the in-process of installation, make things convenient for the installation and the subsequent maintenance of device.

As a further scheme of the utility model: the ejection assembly comprises an electric push rod, the side wall of the mounting plate is provided with the electric push rod, the output shaft of the electric push rod is provided with a rotatable push roller, and the push roller is contacted with the side wall of the broadcasting loudspeaker body.

Through adopting above-mentioned technical scheme, when the push roller is contracted by electric putter, broadcasting megaphone body can rotate certain angle under the action of gravity, when electric putter drives the lateral shifting of push roller, can realize the angle adjustment effect to broadcasting megaphone body.

As a further scheme of the utility model: the side wall of the cover body is provided with a through groove, the top of the cover body is provided with a lifting ring, the top of the upright post is provided with a motor with an downward output shaft, the output shaft of the motor is inserted into the upright post, the output shaft of the motor is provided with a winding disc, and a pull rope is connected between the winding disc and the lifting ring.

Through adopting above-mentioned technical scheme, when using, drive the rotation of stand inner reel dish through the motor for stay cord rolling or loosen, and then realize the promotion or the letting down to the cover body, when not rolling, the cover body can descend under the action of gravity.

As a further scheme of the utility model: two racks are arranged on the side wall of the mounting plate, a row of transmission gears are rotatably arranged on the front wall and the rear wall of the cover body respectively, the transmission gears on the left side are meshed with the connecting gears, and the transmission gears on the right side are meshed with the racks.

Through adopting above-mentioned technical scheme, when the cover body descends, drive gear is driven by the cover body and descends, and then realizes drive gear's rotation, and the mutual transmission between a plurality of drive gears drives the rotation of connecting gear, and then drives the internal cleaning roller of cover and rotate to broadcasting megaphone body, and when descending, pivoted cleaning roller can clear up broadcasting megaphone body surface.

Compared with the prior art, the utility model has the beneficial effects that: the public address system with convenient maintenance is provided,

the cleaning roller is arranged, and in the process that the cover body descends to shield the broadcast loudspeaker body, the connecting gear is driven to rotate due to the action of the rack and the transmission gear, and the connecting gear drives the cleaning roller to rotate, so that the rotating direction is clockwise, and the cleaning roller is convenient for cleaning dust on the surface of the broadcast loudspeaker body;

in addition, this public broadcasting system of convenient maintenance still is provided with the cover body, stay cord and motor, drives the rolling of stay cord through the rotation of motor, and then realizes the lift control effect to the cover body, conveniently shelters from the broadcast megaphone body at appointed time, avoids the rainwater to cause the influence to the device.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

fig. 2 is a schematic side view of the mounting plate, the broadcast loudspeaker body and the cover of the present utility model;

FIG. 3 is a schematic side cross-sectional view of the cover of the present utility model.

In the figure: 1. a column; 2. a mounting plate; 3. a broadcast loudspeaker body; 4. a pushing roller; 5. an electric push rod; 6. a cover body; 601. a through groove; 602. a hanging ring; 7. a pull rope; 8. a motor; 9. a rack; 10. a transmission gear; 11. a connecting gear; 12. a connecting piece; 13. cleaning the roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a public broadcasting system convenient to maintain, which comprises a column 1,

the side wall of the upright post 1 is provided with a liftable mounting plate 2, one side bottom of the mounting plate 2 far away from the upright post 1 is rotatably provided with a broadcast loudspeaker body 3, the side wall of the mounting plate 2 is provided with an ejection assembly, the ejection assembly is used for adjusting the inclination angle of the broadcast loudspeaker body 3, the top of the side wall of the mounting plate 2 is provided with a liftable cover body 6, the cover body 6 is used for shielding the broadcast loudspeaker body 3, and a cleaning assembly is arranged in the cover body 6;

the cleaning component comprises a cleaning roller 13, the cleaning roller 13 is rotatably arranged at one side of the inner bottom of the cover body 6 far away from the mounting plate 2, and two sides of the cleaning roller 13 are connected with a connecting gear 11 at the outer side of the cover body 6 through a connecting piece 12.

Referring to fig. 1, further, a hydraulic cylinder is arranged inside the upright 1, and an output shaft of the hydraulic cylinder is connected with a slide block inserted into the upright 1 by a mounting plate 2;

specifically, the chute is arranged on the side wall of the upright post 1, so that the slide block can slide up and down conveniently.

Referring to fig. 1, further, the ejection assembly includes an electric push rod 5, the electric push rod 5 is mounted on a side wall of the mounting plate 2, and a rotatable push roller 4 is mounted on an output shaft of the electric push rod 5, and the push roller 4 contacts with a side wall of the broadcast loudspeaker body 3.

Referring to fig. 1 and 2, further, a through groove 601 is formed on a side wall of the cover 6, a hanging ring 602 is installed at the top of the cover 6, a motor 8 with an output shaft facing downwards is installed at the top of the upright 1, the output shaft of the motor 8 is inserted into the upright 1, a winding disc is installed on the output shaft of the motor 8, and a pull rope 7 is connected between the winding disc and the hanging ring 602;

specifically, the through groove 601 is of an inclined design, so that external rainwater is prevented from entering the cover body 6 to affect the broadcasting loudspeaker body 3, holes for the pull ropes 7 to pass through are formed in the side walls of the upright posts 1, and the pull ropes 7 are made of wear-resistant materials.

Referring to fig. 1 and 2, further, two racks 9 are mounted on the side wall of the mounting plate 2, a row of transmission gears 10 are rotatably mounted on the front and rear walls of the cover 6, the left transmission gear 10 is meshed with the connection gear 11, and the right transmission gear 10 is meshed with the racks 9;

specifically, the number of the transmission gears 10 is an odd number, so that when the cover body 6 descends, the connection gears 11 are kept to rotate clockwise, and the cleaning roller 13 is driven to rotate clockwise to clean the surface of the broadcast loudspeaker body 3 conveniently.

Working principle: when the public broadcasting system convenient to maintain is used, in the installation or maintenance process, the lifting control of the mounting plate 2 is realized through the hydraulic cylinder in the upright post 1, and then after the installation or maintenance, the mounting plate 2 is lifted, the broadcasting loudspeaker body 3 is positioned at the bottom of the cover body 6 in the normal use, the broadcasting function is realized, and in the use, the angle adjustment of the broadcasting loudspeaker body 3 can be realized by driving the transverse movement of the pushing roller 4 through the electric push rod 5;

when raining, drive rolling dish unwrapping wire through the start-up of motor 8, and then the cover body 6 descends under the action of gravity, shelter from broadcast megaphone body 3 through the decline of cover body 6, and then realize the waterproof protection effect to broadcast megaphone body 3, and when cover body 6 descends, drive gear 10 is driven the rotation by rack 9, and then connect gear 11 drive cleaning roller 13 rotatory, realize the effect of clearance to the surface of broadcast megaphone body 3 at the in-process that descends, the content that does not make detailed description in this specification belongs to the prior art that the expert in the field knows.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Public broadcasting system convenient to maintain, including stand (1), its characterized in that:

the novel broadcasting loudspeaker comprises a broadcasting loudspeaker body (3) and is characterized in that a liftable mounting plate (2) is mounted on the side wall of a stand column (1), the bottom of one side, far away from the stand column (1), of the mounting plate (2) is rotatably mounted with the broadcasting loudspeaker body (3), an ejection assembly is arranged on the side wall of the mounting plate (2) and is used for adjusting the inclination angle of the broadcasting loudspeaker body (3), a liftable cover body (6) is mounted on the top of the side wall of the mounting plate (2), the cover body (6) is used for shielding the broadcasting loudspeaker body (3), and a cleaning assembly is arranged in the cover body (6);

the cleaning assembly comprises a cleaning roller (13), the cleaning roller (13) is rotatably arranged at one side, away from the mounting plate (2), of the inner bottom of the cover body (6), and two sides of the cleaning roller (13) are connected with a connecting gear (11) at the outer side of the cover body (6) through connecting pieces (12).

2. A maintenance-friendly public address system as claimed in claim 1, wherein: the hydraulic cylinder is arranged in the upright post (1), and an output shaft of the hydraulic cylinder is connected with a sliding block inserted into the upright post (1) through the mounting plate (2).

3. A maintenance-friendly public address system as claimed in claim 1, wherein: the ejection assembly comprises an electric push rod (5), the electric push rod (5) is mounted on the side wall of the mounting plate (2), a rotatable push roller (4) is mounted on an output shaft of the electric push rod (5), and the push roller (4) is in contact with the side wall of the broadcast loudspeaker body (3).

4. A maintenance-friendly public address system as claimed in claim 1, wherein: through grooves (601) are formed in the side wall of the cover body (6), hanging rings (602) are arranged at the top of the cover body (6), a motor (8) with an downward output shaft is arranged at the top of the upright post (1), the output shaft of the motor (8) is inserted into the upright post (1), a winding disc is arranged on the output shaft of the motor (8), and a pull rope (7) is connected between the winding disc and the hanging rings (602).

5. A maintenance-friendly public address system as claimed in claim 1, wherein: two racks (9) are arranged on the side wall of the mounting plate (2), a row of transmission gears (10) are rotatably arranged on the front wall and the rear wall of the cover body (6), the transmission gears (10) on the left side are meshed with the connecting gears (11) mutually, and the transmission gears (10) on the right side are meshed with the racks (9).