CN217363093U

CN217363093U - Subway broadcasting device

Info

Publication number: CN217363093U
Application number: CN202221352533.2U
Authority: CN
Inventors: 董利军; 徐志伟; 高福龙
Original assignee: Tianjin Haida Electronics Co ltd
Current assignee: Tianjin Haida Electronics Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-02
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a broadcasting equipment technical field, concretely relates to subway broadcasting device, it includes: the bottom of the hoisting support is a horizontally arranged connecting seat, and a positioning shaft sleeve which extends downwards and vertically is arranged in the center of the connecting seat; a plurality of hanging nails are arranged around the ring positioning shaft sleeve at the bottom of the connecting seat; a plurality of fixing supports are distributed around the connecting seat, and each fixing support is provided with a through mounting hole; the loudspeaker box is of a cavity structure, a plurality of loudspeakers are arranged in the loudspeaker box towards the periphery, and a positioning groove matched with the positioning shaft sleeve is arranged in the center of the top of the loudspeaker box; the top of the sound box is provided with a first arc-shaped hanging groove corresponding to each hanging nail. The utility model discloses a hoisting support has realized subway broadcaster's convenient dismouting mode with the cooperation of stereo set structure, need not to adopt high altitude construction to accomplish, can accomplish subway broadcaster's dismantlement and installation, has consequently improved the efficiency of maintenance efficiency operation, has reduced the operation risk.

Description

Subway broadcasting device

Technical Field

The utility model relates to a broadcasting equipment technical field, concretely relates to subway broadcasting device.

Background

Urban subways are one of the infrastructures of some cities and undertake vital urban traffic and transportation work. The existing subway broadcasting device is usually hung, but the hanging work is very troublesome, and particularly when the broadcasting device needs to be maintained, the subway broadcasting device needs to be completed by high-altitude operation, so that the later maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a subway broadcaster, the convenient dismouting mode of subway broadcaster has been realized with the cooperation of stereo set structure through hoisting support, consequently makes subway broadcaster need not to adopt high altitude construction to accomplish at later stage maintenance in-process, only need have can accomplish subway broadcaster's dismantlement and installation with the shaft-like specialized tool of spline adaptation, has consequently improved the efficiency of maintenance efficiency operation, has reduced the operation risk.

In order to achieve the above object, the utility model provides a following technical scheme: a subway broadcast apparatus, comprising: the bottom of the hoisting support is a horizontally arranged connecting seat, and a positioning shaft sleeve extending downwards and vertically is arranged in the center of the connecting seat; a plurality of hanging nails are arranged around the positioning shaft sleeve at the bottom of the connecting seat; a plurality of fixing supports are distributed around the connecting seat, and each fixing support is provided with a through mounting hole; the loudspeaker box is of a cavity structure, a plurality of loudspeakers are arranged in the loudspeaker box towards the periphery, and a positioning groove matched with the positioning shaft sleeve is arranged in the center of the top of the loudspeaker box; the top of the sound box is provided with first arc-shaped hanging grooves corresponding to the hanging nails.

Preferably, an audio socket is arranged in the positioning shaft sleeve, an audio plug matched with the audio socket is arranged in the positioning groove, the loudspeaker is connected with the audio plug, a junction box is arranged at the top of the hoisting support, and the audio socket is connected with the junction box.

Preferably, the center of the bottom of the sound box is provided with a mounting groove, and the inner side wall of the mounting groove is provided with a spline.

Preferably, the edge ring circumference of connecting seat bottom is equipped with the cotton circle of shock attenuation.

Preferably, the top end of the positioning groove and the combined edge of the top of the sound box are provided with a round chamfer.

Preferably, the top of the sound box is provided with a plurality of groups of second arc-shaped hanging grooves according to the distribution included angles of the hanging nails.

Preferably, each fixing bracket is fixedly connected with the connecting seat through a connecting arm, the junction box is fixed on the top of the connecting seat through a bolt, and the top of the junction box is lower than the top of the fixing bracket.

The utility model has the advantages that: the convenient dismounting and mounting mode of the subway broadcasting device is realized, so that the subway broadcasting device is not required to be completed by high-altitude operation in the later maintenance and maintenance process, and the dismounting and mounting of the subway broadcasting device can be completed only by a rod-shaped special tool matched with the spline, so that the efficiency of the maintenance and maintenance efficiency operation is improved, and the operation risk is reduced. In the installation and construction process of the subway broadcasting device, the hoisting support has the characteristic of light weight, so that the operation difficulty is reduced when the junction box is connected with a cable, and in the same combination process of the sound box and the hoisting support, the audio plug and the audio socket are connected in a self-adaptive mode, so that the sound box is not required to be additionally disassembled and assembled when being assembled and disassembled. The damping cotton ring not only provides enough frictional resistance for the sound box, avoids the falling risk of the sound box caused by resonance, but also eliminates the noise generated by the resonance of the sound box. The round chamfer is beneficial to aligning the positioning shaft sleeve and the positioning groove, and can guide the sound box when being installed, so that the installation efficiency of the sound box is improved. The multi-angle installation of audio amplifier has been realized to second arc string groove, has not only improved the hit probability of peg with the arc hanging hole, still realizes adjustable effect for the broadcast direction of audio amplifier. The fixing support is higher than the junction box, so that the junction box can be perfectly hidden at the top of the connecting plate, the attractive effect is achieved, and meanwhile, due to the fact that hollow areas exist around the junction box, dome wiring is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the application of the present invention;

fig. 2 is a bottom view of the hoisting bracket of the present invention;

fig. 3 is a top view of the sound box of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a subway broadcasting apparatus includes: the bottom of the hoisting support is a horizontally arranged connecting seat 1, and a positioning shaft sleeve 2 extending downwards and vertically is arranged in the center of the connecting seat 1; a plurality of hanging nails 3 are arranged around the positioning shaft sleeve 2 at the bottom of the connecting seat 1; a plurality of fixing supports 4 are distributed around the connecting seat 1, and each fixing support 4 is provided with a through mounting hole; the loudspeaker box 5 is of a cavity structure, a plurality of loudspeakers 6 are arranged in the loudspeaker box 5 towards the periphery, and a positioning groove 7 matched with the positioning shaft sleeve 2 is formed in the center of the top of the loudspeaker box 5; the top of the sound box 5 is provided with a first arc-shaped hanging groove 8 corresponding to each hanging nail 3. The loudspeaker box 5 bottom center is equipped with mounting groove 12, mounting groove 12 inside wall is equipped with spline 13.

Through the structure, the convenient dismounting and mounting mode of the subway broadcasting device is realized, so that the subway broadcasting device is not required to be completed by high-altitude operation in the later maintenance and maintenance process, and the dismounting and mounting of the subway broadcasting device can be completed only by the rod-shaped special tool matched with the spline 13, so that the efficiency of maintenance and maintenance efficiency operation is improved, and the operation risk is reduced.

An audio socket 9 is arranged in the positioning shaft sleeve 2, an audio plug 10 matched with the audio socket 9 is arranged in the positioning groove 7, the loudspeaker 6 is connected with the audio plug 10, a junction box 11 is arranged at the top of the hoisting support, and the audio socket 9 is connected with the junction box 11.

Through the arrangement, in the installation and construction process of the subway broadcasting device, the hoisting support has the characteristic of light weight, so that the operation difficulty is reduced when the junction box 11 is connected with a cable, and the audio plug 10 is adaptively connected with the audio socket 9 in the combination process of the sound box 5 and the hoisting support, so that the sound box 5 is not required to be additionally disassembled and assembled when being assembled and disassembled.

The edge ring circumference in connecting seat 1 bottom is equipped with the cotton circle of shock attenuation 14.

The damping cotton ring 14 not only provides sufficient frictional resistance for the sound box 5, avoids the risk of falling off of the sound box 5 caused by resonance, but also eliminates the noise generated by the resonance of the sound box 5.

And a round chamfer 15 is arranged at the combination edge of the top end of the positioning groove 7 and the top of the sound box 5.

This round chamfer 15 does benefit to locating shaft sleeve 2 and the adjusting well of constant head tank 7, can guide audio amplifier 5 when the installation, consequently has improved the installation effectiveness of audio amplifier 5.

And a plurality of groups of second arc-shaped hanging grooves are formed in the top of the sound box 5 according to the distribution included angles of the hanging nails 3.

The multi-angle installation of the sound box 5 is realized by utilizing the setting, the hit probability of the hanging nail 3 and the arc-shaped hanging hole is improved, and the adjustable effect is realized for the broadcasting direction of the sound box 5.

Each fixing bracket 4 is fixedly connected with the connecting base 1 through a connecting arm 16, the junction box 11 is fixed on the top of the connecting base 1 through a bolt, and the top of the junction box 11 is lower than the top of the fixing bracket 4.

In this setting, fixed bolster 4 is higher than terminal box 11, consequently can make terminal box 11 perfect hide at the connecting seat top, has reached pleasing to the eye effect, simultaneously because there is the fretwork region around terminal box 11, consequently is convenient for the dome wiring.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A subway broadcasting apparatus, comprising:

the bottom of the hoisting support is a horizontally arranged connecting seat, and a positioning shaft sleeve extending downwards and vertically is arranged in the center of the connecting seat; a plurality of hanging nails are arranged around the positioning shaft sleeve at the bottom of the connecting seat; a plurality of fixing supports are distributed around the connecting seat, and each fixing support is provided with a through mounting hole;

the loudspeaker box is of a cavity structure, a plurality of loudspeakers are arranged in the loudspeaker box towards the periphery, and a positioning groove matched with the positioning shaft sleeve is arranged in the center of the top of the loudspeaker box; the top of the sound box is provided with first arc-shaped hanging grooves corresponding to the hanging nails.

2. A subway broadcast apparatus as claimed in claim 1, wherein: an audio socket is arranged in the positioning shaft sleeve, an audio plug matched with the audio socket is arranged in the positioning groove, the loudspeaker is connected with the audio plug, a junction box is arranged at the top of the hoisting support, and the audio socket is connected with the junction box.

3. A subway broadcast apparatus as claimed in claim 1, wherein: the speaker bottom center is equipped with the mounting groove, the mounting groove inside wall is equipped with the spline.

4. A subway broadcast apparatus as claimed in claim 1, wherein: the edge ring circumference of connecting seat bottom is equipped with the cotton circle of shock attenuation.

5. The subway broadcasting device as claimed in claim 1, wherein: and a round chamfer is arranged at the combination edge of the top end of the positioning groove and the top of the sound box.

6. A subway broadcast apparatus as claimed in claim 1, wherein: and a plurality of groups of second arc-shaped hanging grooves are formed in the top of the sound box according to the distribution included angles of the hanging nails.

7. A subway broadcast apparatus as claimed in claim 2, wherein: each fixing support is fixedly connected with the connecting seat through a connecting arm, the junction box is fixed to the top of the connecting seat through bolts, and the top of the junction box is lower than the top of the fixing support.