CN218336381U

CN218336381U - Sound box

Info

Publication number: CN218336381U
Application number: CN202222078291.9U
Authority: CN
Inventors: 刘家侠; 尹继圣; 刘大照; 廖烈泉; 陈红春; 李颛; 杨田
Original assignee: Shenzhen Ganzhen Intelligent Co ltd
Current assignee: Shenzhen Ganzhen Intelligent Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-01-17
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a sound box, include: the device comprises a front shell, a cavity, a back shell, a playing unit and a main control board; wherein, preceding shell, cavity and dorsal scale are sealing connection in proper order. The cavity comprises a middle plate and a cavity part; the upper part of the middle plate is provided with a fixing hole, the cavity component is connected with one side of the middle plate facing the back shell to form a sound cavity, and the playing unit is arranged in the sound cavity; the back of the playing unit is connected with the inner wall of the cavity piece, and the playing end of the playing unit is fixed on the middle plate through a fixing hole; the main control board is electrically connected with the playing unit and arranged on the back shell towards one side of the cavity. Compared with the prior art, the utility model provides a pair of audio amplifier simple to operate, be convenient for production, and compactness between each part good, have waterproof function.

Description

Sound box

Technical Field

The utility model relates to an audio amplifier equipment technical field, concretely relates to audio amplifier.

Background

Along with the progress of science and technology, the rapid development of panel computer for the application demand of wireless terminal product is growing day by day, and bluetooth speaker just is one of them, and bluetooth speaker indicates built-in bluetooth chip to connect the stereo set equipment that replaces traditional wire rod to connect with the bluetooth, through being connected with bluetooth playback devices such as cell-phone panel computer and notebook, reach convenient and fast's purpose.

At present, a sound box is a music playing device, and is widely applied to places such as outdoor scenes, theaters, conference halls and the like. Since the sound box is usually used outdoors, the sound box needs to have a certain waterproof function, and the sealing structure of the sound box is an important factor for determining the waterproof property of the sound box. In addition, the tightness of the sound cavity also affects the sound effect of the sound box.

However, the sound box in the prior art has the following defects: the installation of current audio amplifier is inseparable, and the waterproof function of realization is relatively poor, prevents the main control board inside the shell, leads to audio amplifier equipment impaired because of intaking easily, leads to the broadcast effect not good, is difficult to satisfy the demand of user to the high-quality audio to lead to user experience to feel poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a sound box, the concrete technical scheme is as follows:

an acoustic enclosure, comprising: the device comprises a front shell, a cavity, a back shell, a playing unit and a main control board; the front shell, the cavity and the back shell are sequentially connected in a sealing manner;

the cavity comprises a middle plate and a cavity body; the upper part of the middle plate is provided with a fixing hole, the cavity part is connected with one side of the middle plate facing the back shell to form a sound cavity, and the playing unit is arranged in the sound cavity; the back of the playing unit is connected with the inner wall of the cavity piece, and the playing end of the playing unit is fixed on the middle plate through the fixing hole; the main control board is electrically connected with the playing unit, and the main control board is arranged on the back shell and faces one side of the cavity.

In one embodiment, the cavity member comprises an upper cavity member and a lower cavity member, and the depth of the lower cavity member is smaller than that of the upper cavity member; the depth of the upper cavity piece is matched with the thickness of the playing unit, and the playing unit is embedded between the middle plate and the upper cavity piece.

In a specific embodiment, one of the middle plate and the back shell is provided with a connecting portion, and the other is provided with a limiting portion, and the connecting portion is matched with the limiting portion, so that the connecting portion is embedded in the limiting portion, and the middle plate and the back shell are buckled.

In a specific embodiment, one of the middle plate and the back shell is provided with a mounting portion, the other is provided with a mounting hole, and the mounting portion is matched with the mounting hole and used for enabling a fastener to penetrate through the mounting hole and be connected to the mounting portion, so that the middle plate and the back shell are connected.

In a specific embodiment, the back shell is provided with an external connecting piece.

In a specific embodiment, the back shell comprises a bottom plate, a side plate and a top plate, wherein the bottom plate, the side plate and the top plate are connected in sequence;

the middle plate covers the side plates, the bottom plate completely covers the edge of the middle plate close to the bottom plate, and the top plate completely covers the edge of the middle plate close to the top plate.

In a specific embodiment, the back case is provided with an output unit, and the output unit includes at least one output interface, and the output interface is electrically connected with the main control board.

In a specific embodiment, the mobile phone further comprises a wireless module, wherein the wireless module comprises Bluetooth, 2.4G, WIFI or 5.8G.

In a specific embodiment, a seal is provided between the middle plate and the back shell.

In a specific embodiment, the anti-skid device further comprises an anti-skid pad, and the anti-skid pad is arranged on the bottom plate.

The utility model discloses following beneficial effect has at least:

the utility model provides a sound box, include: the device comprises a front shell, a cavity, a back shell, a playing unit and a main control board; wherein, preceding shell, cavity and dorsal scale are sealing connection in proper order. The cavity comprises a middle plate and a cavity part; the upper part of the middle plate is provided with a fixing hole, the cavity part is connected with one side of the middle plate facing the back shell to form a sound cavity, and the playing unit is arranged in the sound cavity; the back of the playing unit is connected with the inner wall of the cavity piece, and the playing end of the playing unit is fixed on the middle plate through a fixing hole; the main control board is electrically connected with the playing unit and arranged on the back shell towards one side of the cavity. Compared with the prior art, the utility model provides a pair of audio amplifier simple to operate, be convenient for production, and compactness between each part good, have waterproof function.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a perspective view of a sound box provided by the present invention;

fig. 2 is an exploded view of the sound box provided by the present invention;

fig. 3 is a schematic structural view of a back shell of the sound box provided by the present invention;

fig. 4 is a schematic structural view of the middle plate of the sound box provided by the present invention;

fig. 5 is an enlarged view of the middle plate of the sound box provided by the present invention;

fig. 6 is an enlarged view of the back shell of the sound box provided by the present invention;

fig. 7 is a schematic structural view of the cavity of the sound box provided by the present invention.

Reference numerals are as follows:

1-a front shell; 2-a cavity; 3-back shell; 4-a playback unit; 5, a main control board;

21-middle plate; 22-a cavity member;

211-fixation holes; 221-an upper cavity member; 222-a lower cavity member;

31-a base plate; 32-a top plate; 33-side plates;

61-a connecting portion; 62-a limiting part;

71-a mounting portion; 72-mounting holes;

8-external connection;

9-an output interface;

12-heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a sound box, including: the device comprises a front shell 1, a cavity 2, a back shell 3, a playing unit 4 and a main control board 5; wherein, the front shell 1, the cavity 2 and the back shell 3 are sequentially connected in a sealing way. The cavity 2 comprises a middle plate 21 and a cavity component 22; wherein, the upper part of the middle plate 21 is provided with a fixing hole 211, the cavity component 22 is connected with one side of the middle plate 21 facing the back shell 3 to form a sound cavity, and the playing unit 4 is arranged in the sound cavity; the back of the playing unit 4 is connected with the inner wall of the cavity 22, and the playing end of the playing unit 4 is fixed on the middle plate 21 through a fixing hole 211; the main control board 5 is electrically connected with the playing unit 4, and the main control board 5 is arranged on the back shell 3 and faces one side of the cavity 2. Compared with the prior art, the utility model provides a pair of audio amplifier simple to operate, be convenient for production, and compactness between each part good, have waterproof function.

Specifically, as shown in fig. 1, 2, 3, 4, and 7, the cavity member 22 includes an upper cavity member 221 and a lower cavity member 222, and a depth L1 of the upper cavity member 221 is adapted to a thickness h of the playing unit 4, so that the playing unit 4 is embedded between the middle plate 21 and the upper cavity member 221. The depth L2 of the lower cavity member 222 is smaller than the depth L1 of the upper cavity member 221, and a space is reserved between one side of the lower cavity member 222 close to the back plate and the back plate, so that the main control panel 5 can be placed between the back plate and the lower cavity member 222.

Wherein, the playing unit 4 comprises one of a high frequency loudspeaker, a medium frequency loudspeaker or a low frequency loudspeaker.

As shown in fig. 1, 5, and 6, the middle plate 21 and the back shell 3 may be detachably connected by fastening, snapping, screwing, or may be connected by gluing, welding, or the like. Through the tight connection between the middle plate 21 and the back shell 3, the sound box has a certain waterproof function.

Specifically, when the detachable connection is realized by the fastening, clamping, threaded connection and the like between the middle plate 21 and the back shell 3, one of the middle plate 21 and the back shell 3 is provided with the connecting portion 61, the other is provided with the limiting portion 62, and the connecting portion 61 and the limiting portion 62 are adapted to enable the connecting portion 61 to be embedded in the limiting portion 62, so that the fastening of the middle plate 21 and the back shell 3 is realized. And one of the middle plate 21 and the back shell 3 is further provided with a mounting portion 71, the other is provided with a mounting hole 72, and the mounting portion 71 is matched with the mounting hole 72, so that a fastener penetrates through the mounting hole 72 and is connected to the mounting portion 71, and threaded connection of the middle plate 21 and the back shell 3 is achieved.

In this embodiment, the middle plate 21 is provided with a connecting portion 61, the back shell 3 is provided with a limiting portion 62, and the connecting portion 61 and the limiting portion 62 are adapted to enable the connecting portion 61 to be embedded in the limiting portion 62, so as to achieve the buckling of the middle plate 21 and the back shell 3. The middle plate 21 is further provided with a mounting portion 71, the back shell 3 is further provided with a mounting hole 72, and the mounting portion 71 is matched with the mounting hole 72, so that a fastener penetrates through the mounting hole 72 and is connected to the mounting portion 71, and the middle plate 21 and the back shell 3 are connected.

As shown in fig. 1 and 2, the connection between the cavity 22 and the middle plate 21 may also be a detachable connection achieved by fastening, snapping, screwing, or the like, or a connection achieved by gluing, welding, or the like. In this embodiment, the cavity 22 is embedded in the middle plate 21. Specifically, middle plate 21 is equipped with the plug connector, and cavity piece 22 is equipped with the jack with plug connector looks adaptation, and the plug connector embedding realizes in the jack that cavity piece 22 is connected with one side of middle plate 21 towards dorsal scale 3 for cavity piece 22 is fixed on middle plate 21.

The back shell 3 is provided with an external connecting piece 8, and the external connecting piece 8 can be a sucker, a bolt or a connecting piece with a connecting hole.

In one embodiment, the external connection member 8 is a suction cup, and the sound box is fixed by the suction force of the suction cup.

In another embodiment, the external connector 8 is a plug, and the sound box is fixed by plugging the plug into an external device.

In this embodiment the ambient connection 8 extends and bends in a direction away from the back shell 3. The external connecting piece 8 is provided with a plurality of connecting holes for connecting the external connecting piece 8 with external equipment through a fastener.

As shown in fig. 1 to 6, the middle plate 21 is disposed on the back plate, and the back shell 3 includes a bottom plate 31, a top plate 32 and a plurality of side plates 33, wherein the edges of the bottom plate 31, the top plate 32 and the side plates 33 close to each other are connected in sequence. The projection of the middle plate 21 on the back plate is completely located on the back plate, the projection of the middle plate 21 on the bottom plate 31 is completely located on the bottom plate 31, and/or the projection of the middle plate 21 on the top plate 32 is completely located on the top plate 32. Thereby achieving that the middle plate 21 completely covers the back plate and the edges of the middle plate 21 close to the bottom plate 31 and the top plate 32 have tightness.

The back shell 3 is provided with an output unit, the output unit comprises at least one output interface 9, and the output interface 9 is electrically connected with the main control board 5. In this embodiment, the back shell 3 has a recessed receiving groove therein, and the interface is disposed on the receiving groove and exposes a surface of the receiving groove. The output interface 9 includes a USB interface, a type-c interface, a LAN interface, or an HDMI interface.

As shown in fig. 1-6, the utility model provides a sound box still includes wireless module, and wireless module includes bluetooth, 2.4G, WIFI or 5.8G. Specifically, the wireless module is connected with the external device, and the using state of the sound box is displayed on the external device, specifically including volume, sound mode, using electric quantity and the like.

A sealing element is arranged between the middle plate 21 and the back shell 3. The sealing member can be the adhesive of sealing rubber ring or glue class for be in encapsulated situation between messenger's medium plate 21 and the backshell 3, thereby guarantee to be located main control board 5 and the play unit 4 between medium plate 21 and the backshell 3 and be located sealed space, thereby make the audio amplifier have better waterproof performance, prevent to lead to audio amplifier equipment impaired because of intaking, lead to the not good problem of broadcast effect.

The one side that dorsal scale 3 is close to medium plate 21 still is equipped with the strengthening rib on, and the strengthening rib is used for strengthening the holistic rigidity of dorsal scale 3 to guarantee that the audio amplifier is non-deformable under the exogenic action.

The bottom plate 31 is provided with a non-slip mat, and the non-slip mat is positioned at the edge of the bottom plate 31 and used for enabling the sound box not to easily slide on an uneven plane. In the present embodiment, the non-slip mat is in a shape of a strip, and the non-slip mat has two non-slip mats, which are respectively located in the areas close to the corresponding edges of the bottom plate 31.

As shown in fig. 1 and 2, the main control board 5 is disposed on the back case 3 toward the cavity 2 side. The back shell 3 that the main control board 5 is close to is provided with a plurality of louvres 12, and a plurality of louvres 12 correspond the setting with main control board 5 for give off the heat that main control board 5 produced.

In this embodiment, the main control board 5 is disposed on the middle of the back casing 3 toward one side of the cavity 2, and correspondingly, the heat dissipation holes 12 are disposed in an area of the back casing 3 close to the main control board 5. The number of the heat dissipation holes 12 is two, heat generated by the main control board 5 can be dissipated through the heat dissipation holes 12, a heat dissipation channel of the main control board 5 is increased, heat dissipation performance of the loudspeaker box is improved, and the service life of the main control board 5 is prolonged.

Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention.

Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into multiple sub-modules.

The sequence numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the implementation scenario.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An acoustic enclosure, comprising: the device comprises a front shell, a cavity, a back shell, a playing unit and a main control board; the front shell, the cavity and the back shell are sequentially connected in a sealing manner;

the cavity comprises a middle plate and a cavity part; the upper part of the middle plate is provided with a fixing hole, the cavity piece is connected with one side of the middle plate facing the back shell to form a sound cavity, and the playing unit is arranged in the sound cavity; the back of the playing unit is connected with the inner wall of the cavity piece, and the playing end of the playing unit is fixed on the middle plate through the fixing hole; the main control board is electrically connected with the playing unit, and the main control board is arranged on the back shell and faces one side of the cavity.

2. The acoustic enclosure of claim 1, wherein the chamber member includes an upper chamber member and a lower chamber member, the lower chamber member having a depth less than a depth of the upper chamber member; the depth of the upper cavity piece is matched with the thickness of the playing unit, and the playing unit is embedded between the middle plate and the upper cavity piece.

3. The sound box according to claim 1, wherein one of the middle plate and the back case is provided with a connecting portion, and the other one of the middle plate and the back case is provided with a limiting portion, and the connecting portion is adapted to the limiting portion, so that the connecting portion is embedded in the limiting portion, and the middle plate and the back case are fastened together.

4. The sound box according to claim 1, wherein one of the middle plate and the back case is provided with a mounting portion, and the other one of the middle plate and the back case is provided with a mounting hole, and the mounting portion is adapted to the mounting hole, so that a fastening member can pass through the mounting hole and be connected to the mounting portion, thereby realizing the connection between the middle plate and the back case.

5. An acoustic enclosure according to claim 1, wherein the back cover is provided with an external connection.

6. The sound box of claim 1, wherein the back case comprises a bottom plate, side plates and a top plate, and the bottom plate, the side plates and the top plate are connected in sequence;

7. The sound box according to claim 1, wherein the back shell is provided with an output unit, the output unit comprises at least one output interface, and the output interface is electrically connected with the main control board.

8. The speaker of claim 1, further comprising a wireless module comprising bluetooth, 2.4G, WIFI, or 5.8G.

9. An acoustic enclosure according to claim 1, wherein a seal is provided between the middle plate and the back enclosure.

10. The acoustic enclosure of claim 6, further comprising a non-slip mat disposed on the base plate.