CN213186415U

CN213186415U - Multi-direction public address audio amplifier

Info

Publication number: CN213186415U
Application number: CN202022288584.0U
Authority: CN
Inventors: 陈超
Original assignee: Changzhou Meishuo Electronics Co ltd
Current assignee: Changzhou Meishuo Electronics Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-11
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to a sound equipment technical field discloses a multi-direction public address audio amplifier, the on-line screen storage device comprises a base, the screw has been seted up to the inside of base, the internal connection of screw has the stand, the inside of stand is including connecting the screw thread in the stand outside, a plurality of third through-hole has been seted up to the inside of stand, the internal connection of third through-hole has the bolt, the outside that the outside of bolt just is located the stand is connected with the sleeve pipe, the sheathed tube inside is including connecting the second through-hole in the bolt outside, the nut has been cup jointed to the end of bolt, the utility model discloses a sleeve pipe, ball bearing and supporting seat, rotatory supporting seat under ball bearing's effect, can carry out multi-angle rotation with the sound body of supporting seat one side, through installing a plurality of sound bodies, can satisfy multi-angle multi-direction, Bolt, nut, slider and spout are favorable to the staff to dismantle and install, increase the practicality.

Description

Multi-direction public address audio amplifier

Technical Field

The utility model relates to a sound equipment technical field specifically is a multi-direction public address audio amplifier.

Background

The sound box is a device for converting electric signals into sound signals, is an extremely important component of a sound system, and utilizes a power amplifier arranged in the box body to amplify audio signals and then emit sound by the sound box body so as to increase the sound.

There are many public address loudspeaker boxes in the market at present, but these public address loudspeaker boxes generally exist, and the direction of the public address loudspeaker box is not adjustable, leads to in the application of many occasions, the audience is at certain angle the volume is very big when and the volume is very little when other angles, therefore, the technical staff in this field provides a multi-direction public address loudspeaker box, in order to solve the problem that the above-mentioned background art proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-direction public address audio amplifier to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a multi-direction public address audio amplifier, includes the base, the screw has been seted up to the inside of base, the internal connection of screw has the stand, the inside of stand is including the screw thread of connecting in the stand outside, a plurality of third through-hole has been seted up to the inside of stand, the internal connection of third through-hole has the bolt, the outside that the outside of bolt just is located the stand is connected with the sleeve pipe, sheathed tube inside is including connecting the second through-hole in the bolt outside, the nut has been cup jointed to the end of bolt.

As a further aspect of the present invention: the utility model discloses a loudspeaker box, including telescopic support seat, ball bearing, supporting seat, spout, sound body, slider, ball bearing, supporting seat, sound body, sound.

As a further aspect of the present invention: the upright post is in threaded connection with the base through threads and screw holes.

As a further aspect of the present invention: the bolt penetrates through the second through hole and the third through hole in sequence, and the sleeve is fixedly connected with the stand column through the bolt.

As a further aspect of the present invention: the sound body and the supporting seat are connected with the sliding groove in a sliding mode through the sliding block.

As a further aspect of the present invention: the supporting seat is rotatably connected with the sleeve through a ball bearing.

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

1. through sleeve pipe, ball bearing and supporting seat, the rotary supporting seat under ball bearing's effect, can carry out multi-angle rotating with the stereo set body of supporting seat one side, through installing a plurality of stereo set bodies, can satisfy the multi-direction public address demand of multi-angle.

2. Through screw, screw thread, bolt, nut, slider and spout, rotatory stand makes the stand follow the inside separation of screw, unscrews the nut from the bolt, can make sleeve pipe and stand separation, and the slider that upwards moves can make slider and sound body and supporting seat separation, is favorable to the staff to dismantle and installs, increases the practicality.

Drawings

FIG. 1 is a schematic structural view of a multi-directional sound amplifying speaker;

fig. 2 is a side cross-sectional view of a multi-directional loudspeaker enclosure.

In the figure: 1. a base; 101. a screw hole; 2. a sound body; 21. a slider; 3. a supporting seat; 31. a first through hole; 32. a chute; 4. a ball bearing; 5. a sleeve; 51. a second through hole; 6. a column; 61. a thread; 62. a third through hole; 7. a bolt; 8. and a nut.

Detailed Description

Please refer to fig. 1-2, in the embodiment of the present invention, a multi-direction public address speaker, including base 1, screw 101 has been seted up to base 1's inside, the internal connection of screw 101 has stand 6, stand 6's inside is including connecting the screw thread 61 in the stand 6 outside, a plurality of third through-hole 62 has been seted up to stand 6's inside, the internal connection of third through-hole 62 has bolt 7, the outside that just is located stand 6 in bolt 7's the outside is connected with sleeve pipe 5, sleeve pipe 5's inside is including connecting the second through-hole 51 in the bolt 7 outside, nut 8 has been cup jointed to bolt 7's end.

In fig. 2: the outside of sleeve pipe 5 is connected with ball bearing 4, and the outside of ball bearing 4 is connected with supporting seat 3, and the inside of supporting seat 3 is including connecting the first through-hole 31 in the ball bearing 4 outside, and spout 32 has been seted up to the inside of supporting seat 3, and the internal connection of spout 32 has sound body 2, and sound body 2's inside is including connecting the slider 21 in spout 32 inside, under ball bearing 4's effect, will rotate sound body 2 and rotate to the assigned position.

In fig. 2: the upright 6 and the base 1 are in threaded connection with the screw hole 101 through the threads 61, and the upright 6 is rotated to fixedly connect the upright 6 and the base 1.

In fig. 2: the bolt 7 penetrates through the second through hole 51 and the third through hole 62 in sequence, the sleeve 5 is fixedly connected with the upright post 6 through the bolt 7, the bolt 7 is inserted into the second through hole 51 and the third through hole 62, and the nut 8 is rotated to enable the sleeve 5 to be tightly connected with the upright post 6.

In fig. 2: the sound body 2 and the support base 3 are slidably connected with the sliding groove 32 through the sliding block 21, the sliding block 21 is aligned to the inside of the sliding groove 32, the sound body 2 moves downwards, and the sound body 2 is tightly connected with the support base 3.

In fig. 2: the supporting seat 3 is rotatably connected with the sleeve 5 through a ball bearing 4, so that the supporting seat 3 can rotate at multiple angles.

The utility model discloses a theory of operation is: when needing to use this kind of multi-direction public address audio amplifier, insert inside screw 101 with stand 6, and screw up, later with a plurality of sleeve pipes 5 cover in the stand 6 outside, and insert inside second through-hole 51 and third through-hole 62 with bolt 7, and swivel nut 8, make sleeve pipe 5 and stand 6 zonulae occludens, then aim at inside spout 32 with slider 21, and make audio body 2 move down, make audio body 2 and supporting seat 3 zonulae occludens, swivel support seat 3, under ball bearing 4's effect, with swivel audio body 2 rotatory to the assigned position.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a multi-direction public address audio amplifier, includes base (1), its characterized in that, screw (101) have been seted up to the inside of base (1), the internal connection of screw (101) has stand (6), the inside of stand (6) is including connecting screw thread (61) in the stand (6) outside, a plurality of third through-hole (62) have been seted up to the inside of stand (6), the internal connection of third through-hole (62) has bolt (7), the outside of bolt (7) and the outside that is located stand (6) are connected with sleeve pipe (5), the inside of sleeve pipe (5) is including connecting second through-hole (51) in the bolt (7) outside, nut (8) have been cup jointed at the end of bolt (7).

2. The multidirectional public address sound box as claimed in claim 1, wherein a ball bearing (4) is connected to the outer side of the sleeve (5), a supporting seat (3) is connected to the outer side of the ball bearing (4), the inside of the supporting seat (3) comprises a first through hole (31) connected to the outer side of the ball bearing (4), a sliding groove (32) is formed in the inside of the supporting seat (3), the inside of the sliding groove (32) is connected with the sound body (2), and the inside of the sound body (2) comprises a sliding block (21) connected to the inside of the sliding groove (32).

3. The multidirectional public address sound box as claimed in claim 1, wherein the upright post (6) and the base (1) are in threaded connection with the screw hole (101) through threads (61).

4. The multidirectional public address sound box as claimed in claim 2, wherein the bolt (7) penetrates through the second through hole (51) and the third through hole (62) in sequence, and the sleeve (5) and the upright post (6) are fixedly connected through the bolt (7).

5. The multidirectional public address sound box as claimed in claim 2, wherein the sound body (2) and the support base (3) are slidably connected with the sliding groove (32) through the sliding block (21).

6. A multidirectional public address loudspeaker according to claim 2, characterised in that the support base (3) is rotatably connected to the sleeve (5) by means of ball bearings (4).