CN213880123U

CN213880123U - Sound box

Info

Publication number: CN213880123U
Application number: CN202022315355.3U
Authority: CN
Inventors: 陈超
Original assignee: Changzhou Meishuo Electronics Co ltd
Current assignee: Changzhou Meishuo Electronics Co ltd
Priority date: 2020-10-18
Filing date: 2020-10-18
Publication date: 2021-08-03
Anticipated expiration: 2030-10-18

Abstract

The utility model relates to an audio amplifier technical field specifically is an audio amplifier, the below position department of first audio amplifier is provided with the second audio amplifier, and connects through the pivot between first audio amplifier and the second audio amplifier, the one end fixed connection of pivot is in first audio amplifier bottom central point department of putting, and the other end of pivot passes through the bearing and rotates and connect in the second audio amplifier, the bottom of first audio amplifier is located the bilateral symmetry fixedly connected with connecting rod of pivot. The utility model discloses simple structure, the modern design is adjusted through the angle to first audio amplifier, makes the direction of propagation of two audio amplifiers different, has strengthened the propagation effect of music, reduces the influence of vibrations to the speaker through damper to guarantee the broadcast effect, the sliding closure sunshade after the broadcast is ended, can further protect the speaker, avoid causing the damage to the speaker when removing, thereby influence tone quality.

Description

Sound box

Technical Field

The utility model relates to an audio amplifier technical field specifically is an audio amplifier.

Background

But current high-fidelity audio amplifier is that two audio amplifiers carry out fixed association, can not adjust the angle, is unfavorable for the propagation of music, and the audio amplifier does not have the cushioning effect to the speaker simultaneously, causes the speaker to vibrate easily to influence the music broadcast effect. Accordingly, those skilled in the art have provided an acoustic enclosure to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sound box 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: a sound box comprises a first sound box, wherein a second sound box is arranged at the position below the first sound box, the first sound box and the second sound box are connected through a rotating shaft, one end of the rotating shaft is fixedly connected at the central position of the bottom of the first sound box, the other end of the rotating shaft is rotatably connected to the upper surface of the second sound box through a bearing, the bottom of the first sound box is positioned at two sides of the rotating shaft and is symmetrically and fixedly connected with connecting rods, one end of each connecting rod extends into the second sound box, the end parts of the two connecting rods are rotatably connected with balls, the outer surfaces of the first sound box and the second sound box are respectively provided with a notch, the inner sides of the two notches are respectively and slidably connected with a shielding plate, the outer surfaces of the shielding plates are fixedly provided with handles, sound box bodies with the same structure are respectively fixed inside the first sound box and the second sound box, and loudspeakers are arranged at the positions, corresponding to the notches, on the surfaces of the two sound box bodies, and the inside of two audio amplifier bodies all is fixed with the damper who links to each other with the speaker.

As a further aspect of the present invention: damper all includes the mount of fixed mounting in the inside of audio amplifier body, the inside slidable mounting of mount has the fly leaf, and one side that the inside of mount is located the fly leaf is fixed with the baffle, the fixed surface of fly leaf has the fixed block, the fixed block runs through the baffle and connects in one side of speaker, buffer spring is installed to one side of fly leaf, buffer spring's opposite side links to each other with the mount.

As a further aspect of the present invention: the inside of mount corresponds the position department of fly leaf and has seted up logical groove, and the width that leads to the groove is with the thickness adaptation of fly leaf.

As a further aspect of the present invention: a buffer cushion is fixed on the surface of one side, close to the loudspeaker, of the baffle plate, and the buffer cushion is a rubber component.

As a further aspect of the present invention: the junction of the upper surface of second audio amplifier and two connecting rods has seted up annular spout, and the internal diameter of annular spout is the same with the thickness of connecting rod.

As a further aspect of the present invention: the surface of the loudspeaker is provided with a dustproof mesh enclosure which is a component made of PC material.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, the modern design is adjusted through the angle to first audio amplifier, makes the direction of propagation of two audio amplifiers different, has strengthened the propagation effect of music, reduces the influence of vibrations to the speaker through damper to guarantee the broadcast effect, the sliding closure sunshade after the broadcast is ended, can further protect the speaker, avoid causing the damage to the speaker when removing, thereby influence tone quality.

Drawings

FIG. 1 is a schematic view of a sound box;

FIG. 2 is a schematic structural view of a damping mechanism for a speaker;

fig. 3 is a schematic structural view of a section of a connecting rod of a sound box.

In the figure: 1. a first speaker; 2. a sound box body; 3. a shutter; 4. a handle; 5. a connecting rod; 6. a rotating shaft; 7. a bearing; 8. a second sound box; 9. a speaker; 10. a fixed block; 11. a fixed mount; 12. a baffle plate; 13. a ball bearing; 14. a movable plate; 15. a buffer spring.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a sound box comprises a first sound box 1, a second sound box 8 is disposed at a lower position of the first sound box 1, the first sound box 1 and the second sound box 8 are connected by a rotating shaft 6, one end of the rotating shaft 6 is fixedly connected to a central position of the bottom of the first sound box 1, and the other end of the rotating shaft 6 is rotatably connected to the upper surface of the second sound box 8 by a bearing 7, the bottom of the first sound box 1 is symmetrically and fixedly connected to connecting rods 5 at two sides of the rotating shaft 6, one ends of the two connecting rods 5 extend into the second sound box 8, and ends of the two connecting rods 5 are rotatably connected to balls 13, notches are formed on outer surfaces of the first sound box 1 and the second sound box 8, shielding plates 3 are slidably connected to inner sides of the two notches, a handle 4 is fixed on outer surfaces of the shielding plates 3, sound box bodies 2 having the same structure are fixed inside the first sound box 1 and the second sound box 8, the surface of two audio amplifier bodies 2 corresponds the position department of notch and installs speaker 9, and the inside of two audio amplifier bodies 2 all is fixed with the damper who links to each other with speaker 9.

In fig. 2: damper all includes fixed mounting at the inside mount 11 of audio amplifier body 2, the inside slidable mounting of mount 11 has fly leaf 14, and one side that the inside of mount 11 is located fly leaf 14 is fixed with baffle 12, the fixed surface of fly leaf 14 has fixed block 10, fixed block 10 runs through baffle 12 and connects in one side of speaker 9, buffer spring 15 is installed to one side of fly leaf 14, buffer spring 15's opposite side links to each other with mount 11, when speaker 9 produces vibrations, make fly leaf 14 extrude buffer spring 15 and at the inside removal of mount 11, reduce the influence of vibrations to speaker 9, thereby guarantee the broadcast effect.

In fig. 2: a through groove is formed in the fixed frame 11 at a position corresponding to the movable plate 14, and the width of the through groove is adapted to the thickness of the movable plate 14, so that the movable plate 14 is moved.

In fig. 2: a buffer pad is fixed on the surface of the baffle 12 near the speaker 9, and the buffer pad is a rubber component, so that when the speaker 9 vibrates, the speaker 9 is effectively protected.

In fig. 1: the annular chute has been seted up with the junction of two connecting rods 5 to the upper surface of second audio amplifier 8, and the internal diameter of annular chute is the same with the thickness of connecting rod 5, and two connecting rods 5 both can play the effect of support to first audio amplifier 1, can slide in the annular chute again.

In fig. 1: the surface of speaker 9 is provided with the dustproof screen panel, and the dustproof screen panel is the component of a PC material, plays dustproof guard action, has guaranteed the broadcast effect.

The utility model discloses a theory of operation is: when the loudspeaker 9 works, vibration is generated to easily influence the playing effect of the loudspeaker 9, when the loudspeaker 9 generates vibration, the movable plate 14 extrudes the buffer spring 15 and moves in the fixed frame 11, the buffer pads fixed on the surface of the baffle plate 12 reduce the influence of the vibration on the loudspeaker 9, thereby ensuring the playing effect, the curtain plate 3 is closed in a sliding manner after the playing is finished, and the loudspeaker 9 can be further protected, the damage to the loudspeaker 9 during movement is avoided, so that the tone quality is not affected.

Claims

1. A sound box comprises a first sound box (1) and is characterized in that a second sound box (8) is arranged at the position below the first sound box (1), the first sound box (1) and the second sound box (8) are connected through a rotating shaft (6), one end of the rotating shaft (6) is fixedly connected to the central position of the bottom of the first sound box (1), the other end of the rotating shaft (6) is rotatably connected to the upper surface of the second sound box (8) through a bearing (7), the bottom of the first sound box (1) is positioned at two sides of the rotating shaft (6) and is symmetrically and fixedly connected with connecting rods (5), one ends of the two connecting rods (5) extend into the second sound box (8), the end parts of the two connecting rods (5) are rotatably connected with balls (13), notches are formed in the outer surfaces of the first sound box (1) and the second sound box (8), two equal sliding connection in inboard of notch has sunshade (3), the external fixed surface of sunshade (3) has handle (4), the inside of first audio amplifier (1) and second audio amplifier (8) all is fixed with the same audio amplifier body (2) of structure, two speaker (9) are installed to the position department of the surperficial corresponding notch of audio amplifier body (2), and the inside of two audio amplifier bodies (2) all is fixed with the damper who links to each other with speaker (9).

2. A loudspeaker according to claim 1, wherein the damping mechanisms each comprise a fixed mount (11) fixedly mounted inside the loudspeaker body (2), a movable plate (14) is slidably mounted inside the fixed mount (11), a baffle (12) is fixed inside the fixed mount (11) on one side of the movable plate (14), a fixed block (10) is fixed on the surface of the movable plate (14), the fixed block (10) is connected to one side of the loudspeaker (9) through the baffle (12), a buffer spring (15) is mounted on one side of the movable plate (14), and the other side of the buffer spring (15) is connected to the fixed mount (11).

3. A sound box according to claim 2, wherein a through slot is formed in the fixed frame (11) at a position corresponding to the movable plate (14), and the width of the through slot is adapted to the thickness of the movable plate (14).

4. An acoustic enclosure as claimed in claim 2, characterised in that a cushion is secured to the face of the baffle (12) adjacent the loudspeaker (9), the cushion being a rubber member.

5. A loudspeaker according to claim 1, characterised in that the junction of the upper surface of the second loudspeaker (8) and the two connecting rods (5) is provided with an annular chute, the inner diameter of which is the same as the thickness of the connecting rods (5).

6. An acoustic enclosure as claimed in claim 1, characterised in that the surface of the loudspeaker (9) is provided with a dust screen, the dust screen being a member of PC material.