CN216057372U

CN216057372U - Sound box

Info

Publication number: CN216057372U
Application number: CN202122171487.8U
Authority: CN
Inventors: 王福
Original assignee: Sichuan Shule Jiayin Culture Technology Co ltd
Current assignee: Sichuan Shule Jiayin Culture Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-03-15
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a sound box, and relates to the technical field of sound equipment. The sound box comprises a bottom shell, a main board, a sound production unit and a fixing piece; the bottom shell is provided with an accommodating space; the mainboard and the sounding unit are accommodated in the accommodating space, and the mainboard is electrically connected with the sounding unit so as to control the sounding unit to sound; the main board is provided with a plurality of through holes penetrating through the main board, the inner wall of the bottom shell is provided with connecting columns corresponding to the through holes one by one, and the fixing piece penetrates through the through holes and is connected with the connecting columns so as to fix the main board on the bottom shell; the mainboard is provided with a groove, the inner wall of the bottom shell is provided with a bulge matched with the groove, so that the mainboard can be positioned by the bulge extending into the groove. The utility model solves the technical problem that the mainboard in the existing loudspeaker box is difficult to assemble and position.

Description

Sound box

Technical Field

The utility model relates to the technical field of sound equipment, in particular to a sound box.

Background

The audio amplifier generally includes mainboard, drain pan and sound generating unit, and current mainboard is generally through the spliced pole connection with fixed mainboard of the screw of wearing to establish the mainboard and drain pan, but this kind of mode is more difficult in the assembling process, after having installed a plurality of screws, and the hole on the mainboard can take place to deviate rather than the spliced pole that corresponds, consequently need dismantle repeatedly and install, causes assembly difficulty, installation effectiveness low.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a sound box, which is used to solve the technical problem of difficult assembly and positioning of a main board in the existing sound box.

A sound box comprises a bottom shell, a main board, a sound production unit and a fixing piece; the bottom shell is provided with an accommodating space; the mainboard and the sounding unit are accommodated in the accommodating space, and the mainboard is electrically connected with the sounding unit so as to control the sounding unit to sound; the main board is provided with a plurality of through holes penetrating through the main board, the inner wall of the bottom shell is provided with connecting columns corresponding to the through holes one by one, and the fixing piece penetrates through the through holes and is connected with the connecting columns so as to fix the main board on the bottom shell; the mainboard is provided with a groove, the inner wall of the bottom shell is provided with a bulge matched with the groove, so that the mainboard can be positioned by the bulge extending into the groove.

In some embodiments of the sound box, the recess is an annular groove.

In some embodiments of the sound box, an end of the protrusion opposite to the groove is provided with an elastic block, and the elastic block abuts against a groove bottom of the groove.

In some embodiments of the sound box, the connecting posts are flexible pieces, and the protrusions are integrally formed with adjacent connecting posts.

In some embodiments of the sound box, the bottom case is provided with an opening to form the accommodating space; the sound box also comprises a first enclosure, and the first enclosure is fixedly connected with the inner wall of the opening; the sound generating unit is connected to a side of the first enclosure facing the opening; the first enclosure is provided with a through hole penetrating through the first enclosure at a position corresponding to the sound generating unit, so that the sound generated by the sound generating unit can be transmitted out through the through hole.

In some embodiments of the sound box, a barrier strip is fixedly disposed on the first enclosure, one end of the barrier strip is fixedly connected to a hole wall on one side of the through hole, and the other end of the barrier strip is fixedly connected to a hole wall on the other side of the through hole.

In some embodiments of the sound box, the sound box further includes a second enclosure, the second enclosure is fixedly connected to a side of the first enclosure facing away from the opening, the second enclosure is provided with a plurality of sound emitting holes penetrating through the second enclosure, and each of the sound emitting holes is communicated with the through hole.

In some embodiments of the sound box, a positioning block is disposed on a side of the first enclosure facing the second enclosure, a positioning hole matched with the positioning block is disposed on the second enclosure, and the positioning block is disposed through the positioning hole to position the second enclosure.

In some embodiments of the sound box, the sound box further includes a battery, the battery is accommodated in the accommodating space and electrically connected to the main board so as to provide electric energy to the main board, a charging interface is disposed on the main board, the charging structure is disposed through the bottom case, and the charging interface is used for communicating the battery with an external power supply.

In some embodiments of the speaker, the speaker further includes a bluetooth module, the bluetooth module is accommodated in the accommodating space and electrically connected to the motherboard, and the bluetooth module is configured to receive wireless data and transmit the wireless data to the motherboard.

The embodiment of the utility model has the following beneficial effects:

the loudspeaker box comprises a bottom shell, a main board, a sound production unit and a fixing piece, wherein the bottom shell is provided with an accommodating space, the main board and the sound production unit are accommodated in the accommodating space, and the fixing piece penetrates through a through hole in the main board and is fixedly connected with a connecting column so as to fixedly install the main board on the bottom shell, namely the accommodating space; and be equipped with the recess on the mainboard, be equipped with on the drain pan with recess assorted arch to can realize the location of mainboard in stretching into the recess through protruding, can make things convenient for the one-to-one of mounting and spliced pole, and prevent when a mounting and the corresponding spliced pole fastening connection process, and the relative position of all the other mountings and corresponding spliced pole changes, in order to avoid taking place the condition that follow-up mounting can't and should be relative spliced pole dislocation, thereby the technical problem of mainboard assembly positioning difficulty in the current audio amplifier has been solved.

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 following description 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 an overall structure of a sound box according to an embodiment;

FIG. 2 is an exploded view of the enclosure of FIG. 1;

FIG. 3 is a schematic diagram of a motherboard according to an embodiment;

fig. 4 is a schematic structural diagram of the bottom chassis in one embodiment.

Wherein: 1. a bottom case; 11. a protrusion; 12. connecting columns; 2. a main board; 21. a through hole; 22. a groove; 23. a charging interface; 24. a knob; 25. a button; 3. a sound emitting unit; 4. a first enclosure; 41. a through hole; 42. blocking strips; 43. positioning blocks; 5. a second enclosure; 51. a sound emitting hole; 52. positioning holes; 6. a battery.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The mainboard in the current audio amplifier is generally through the spliced pole connection of the screw of wearing to establish the mainboard and drain pan in order to fix the mainboard, but this kind of mode is more difficult in the assembling process, after having installed a plurality of screws, and the spliced pole that hole on the mainboard can correspond relatively takes place to deviate, consequently need dismantle repeatedly and install, causes assembly difficulty, installation effectiveness low.

As shown in fig. 1-4, in an embodiment of the sound box, the sound box includes a bottom case 1, a main board 2, a sound generating unit 3 and a fixing member; the bottom shell 1 is provided with an accommodating space; the mainboard 2 and the sounding unit 3 are accommodated in the accommodating space, and the mainboard 2 is electrically connected with the sounding unit 3 so as to control the sounding unit 3 to sound; the mainboard 2 is provided with a plurality of through holes 21 penetrating through the mainboard 2, the inner wall of the bottom shell 1 is provided with connecting columns 12 corresponding to the through holes 21 one by one, and the fixing piece penetrates through the through holes 21 and is connected with the connecting columns 12 so as to fix the mainboard 2 on the bottom shell 1; be equipped with recess 22 on the mainboard 2, be equipped with on the inner wall of drain pan 1 with recess 22 assorted arch 11 to can stretch into recess 22 through arch 11 and fix a position mainboard 2.

In the embodiment, the fixing member is inserted into the through hole 21 of the main board 2 and is fixedly connected to the connecting column 12, so that the main board 2 can be fixedly mounted on the bottom case 1, i.e. in the accommodating space; and be equipped with recess 22 on mainboard 2, be equipped with on the drain pan 1 with recess 22 assorted arch 11, thereby can be through stretching into the location that realizes mainboard 2 in the recess 22 with arch 11, can make things convenient for the one-to-one of mounting and spliced pole 12, and prevent when a mounting and the corresponding spliced pole 12 fastening connection process, and the relative position of all the other mountings and corresponding spliced pole 12 changes, in order to avoid taking place the unable and the corresponding spliced pole 12 condition of misplacing that should be relative of follow-up mounting, thereby the technical problem of mainboard 2 assembly positioning difficulty in the current audio amplifier has been solved.

In one embodiment of the enclosure, as shown in FIG. 3, the recess 22 is an annular groove.

In this embodiment, through setting recess 22 to the ring channel, compare in the groove of shape such as rectangle, circular, reduce the space that occupies mainboard 2 to the location of ring channel is effectual, and annular arch 11 stretches into annular inslot, and the inner wall of ring channel also can play certain limiting displacement, preferably, the optional non-ring shape of ring channel, thereby can restrict mainboard 2's rotation, further limited mainboard 2's degree of freedom, in order to facilitate the location.

In one embodiment of the sound box, as shown in fig. 2-4, the end of the protrusion 11 opposite to the groove 22 is provided with an elastic block, and the elastic block abuts against the bottom of the groove 22. The elastic block may be bonded to the protrusion 11.

In this embodiment, protruding 11 can the butt in the tank bottom of recess 22 to can cooperate spliced pole 12 to support mainboard 2, and set up the elastic material through the tip at protruding 11, can make the in-process of 3 sound production vibrations of sound generating unit, reduce mainboard 2 and receive the influence of vibrations, avoid mainboard 2 because of receiving vibrations rigidity collision spliced pole 12 or drain pan 1, and then avoid mainboard 2 to break off.

In addition, it can be understood that the main board 2 is a circuit board, a circuit is disposed inside the circuit board, a certain distance is left between the bottom of the groove 22 and the circuit inside the circuit board, or the thickness of the circuit board can be increased at the position of the circuit board corresponding to the groove 22, so that the circuit inside the circuit board is not damaged by forming the groove 22 on the circuit board. Furthermore, glue can be smeared on the groove bottom of the groove 22 to be better fixed with the end elastic block of the protrusion 11, and compared with the existing mode of smearing, positioning and fixing the glue on the circuit board, the glue is arranged on the groove bottom of the groove, so that a better positioning effect can be achieved.

In one embodiment of the sound box, as shown in fig. 4, the connecting posts 12 are flexible pieces, and the protrusions 11 are integrally formed with adjacent connecting posts 12.

In this embodiment, the connecting column 12 can be made of the same material as the protrusion 11 and is made of a flexible or elastic material with elastic deformation, so that the influence of the sound vibration of the main board 2 caused by the sound production unit 3 can be relieved. In addition, the bulges 11 and the connecting column 12 are integrally connected, so that the structural stability of the connecting column 12 can be enhanced, and the risk of fracture of the connecting column 12 is reduced.

Specifically, the connecting column 12 is a columnar structure, a threaded hole extending along the axial length of the connecting column 12 is formed in the center of the connecting column 12, the fixing piece is a screw, the axial length of the threaded hole can be smaller than the axial length of the connecting column 12, namely, the threaded hole does not penetrate through the connecting column 12, and the main board 2 can be firmly fixed on the bottom shell 1 through the locking of the fixing piece and the threaded hole.

In an embodiment of the sound box, as shown in fig. 2 and 4, the bottom case 1 is provided with an opening to form an accommodating space; the sound box also comprises a first enclosure 4, and the first enclosure 4 is fixedly connected with the inner wall of the opening; the sound emitting unit 3 is connected to the side of the first enclosure 4 facing the opening; the first enclosure 4 is provided with a through hole 41 penetrating the first enclosure 4 at a position corresponding to the sound generating unit 3, so that the sound generated from the sound generating unit 3 can be emitted through the through hole 41.

In this embodiment, specifically, the bottom case 1 is a box-packed structure, and can be divided into a connecting wall and a bottom plate, the connecting column 12 and the protrusion 11 are fixedly disposed on the bottom plate to form an opening, and then form an accommodating space, the end portions of the circumferential side wall and the connecting wall of the first enclosure 4, which are far away from the bottom plate, can be fixedly connected with the connecting wall by means of clamping, gluing, threads, and the like, the first enclosure 4 is a plate-shaped structure matched with the shape of the open bottom case 1, such as a rectangular plate, a circular plate, a square plate, and the like, the sound generating unit 3 is fixedly clamped or glued on one side of the first enclosure 4 facing the bottom plate, and the sound generated by the sound generating unit 3 can be transmitted out of the bottom case 1 and the first enclosure 4 through the through hole 41 communicating with the opening.

In an embodiment of the sound box, as shown in fig. 3, a barrier 42 is fixedly disposed on the first enclosure 4, and two ends of the barrier 42 are respectively fixedly connected to the wall of the through hole 41.

In this embodiment, the shape of through-hole 41 and sound generating unit 3's shape phase-match, if sound generating unit 3 is circular, the shape of through-hole 41 also can be circular, if again when sound generating unit 3's shape is square, the shape of through-hole 41 also is the quad slit to can spread the sound production of sound generating unit 3 better, can avoid sound generating unit 3 to fall out from through-hole 41 through blend stop 42 in addition. Specifically, the blocking strip 42 is an elongated rod-shaped structure and can be disposed on two opposite sides of the through hole 41. Preferably, the barrier 42 may be a cross bar or a m-shape formed by intersecting a plurality of bars, i.e. the center of the barrier 42 may be a disc, and a plurality of barriers extending along the radial direction of the disc away from the disc are disposed around the disc. Through the form that sets up the disc and add the pin, compare in single pole, be more stable difficult rupture.

In an embodiment of the sound box, as shown in fig. 3, the sound box further comprises a second enclosure 5, the second enclosure 5 is fixedly connected to a side of the first enclosure 4 away from the opening, the second enclosure 5 is provided with a plurality of sound emitting holes 51 penetrating through the second enclosure 5, and each sound emitting hole 51 is communicated with the through hole 41.

In the present embodiment, the second capsule 5 has a plate-like structure, and the second capsule 5 is attached to the first capsule 4, and the sound emitted from the through-hole 41 can be guided through the sound emitting hole 51 in the second capsule 5. Preferably, the sound-emitting holes 51 are equally spaced on the second enclosure 5, it being understood that the sound-emitting holes 51 outside the area of the through-hole 41 directed toward the orthographic projection of the second enclosure 5 serve merely as decoration and are not actually used for sound transmission.

In an embodiment of the sound box, as shown in fig. 1-2, a positioning block 43 is disposed on a side of the first enclosure 4 facing the second enclosure 5, a positioning hole 52 matching with the positioning block 43 is disposed on the second enclosure 5, and the positioning block 43 is disposed through the positioning hole 52 to position the second enclosure 5.

In the embodiment, the positioning block 43 may be connected to the first package 4 by gluing, integral molding, or the like, and the positioning block 43 may facilitate positioning and mounting the second package 5 on the first package 4, thereby preventing the second package 5 from deviating when mounted on the first package 4 and affecting the appearance and the sound effect.

In an embodiment of the sound box, the sound box further includes a battery 6, the battery 6 is accommodated in the accommodating space and electrically connected with the mainboard 2, so that electric energy can be provided for the mainboard 2, a charging interface 23 is arranged on the mainboard 2, the charging interface 23 penetrates through the bottom case 1, and the charging interface 23 is used for electrically communicating the battery 6 with an external power supply.

In this embodiment, the battery 6 is stored in the speaker so as to store electric energy, and the battery 6 is a rechargeable battery 6 accommodated in the accommodation space, so that environmental pollution caused by the use of the dry battery 6 can be reduced.

The main board 2 is further provided with a knob 24 and a button 25, and the volume output by the sound generating unit 3 can be controlled by rotating the knob 24. The connection and disconnection between the main board 2 and the battery 6 can be controlled by the button 25, so that a switching function can be provided. Knob 24 and button 25 are all inserted through bottom shell 1. The charging interface 23, the knob 24 and the button 25 are arranged in the surrounding area of the inner ring of the annular groove.

In an embodiment of the speaker, the speaker further includes a bluetooth module, the bluetooth module is accommodated in the accommodating space and electrically connected to the motherboard 2, and the bluetooth module is configured to receive the wireless data and transmit the wireless data to the motherboard 2.

In this embodiment, through addding the bluetooth subassembly, can make the audio amplifier have bluetooth function to can receive wireless data with wireless mode, bluetooth audio amplifier compares traditional wired audio amplifier, and more nimble moving facilitates the user and uses.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A sound box is characterized in that: the sound box comprises a bottom shell, a main board, a sound production unit and a fixing piece; the bottom shell is provided with an accommodating space; the mainboard and the sounding unit are accommodated in the accommodating space, and the mainboard is electrically connected with the sounding unit so as to control the sounding unit to sound;

the main board is provided with a plurality of through holes penetrating through the main board, the inner wall of the bottom shell is provided with connecting columns corresponding to the through holes one by one, and the fixing piece penetrates through the through holes and is connected with the connecting columns so as to fix the main board on the bottom shell;

the mainboard is provided with a groove, the inner wall of the bottom shell is provided with a bulge matched with the groove, so that the mainboard can be positioned by the bulge extending into the groove.

2. The acoustic enclosure of claim 1, wherein: the groove is an annular groove.

3. The acoustic enclosure of claim 2, wherein: the end part of the protrusion, which is opposite to the groove, is provided with an elastic block, and the elastic block is abutted against the groove bottom of the groove.

4. An acoustic enclosure as claimed in any one of claims 1 to 3, characterised in that: the connecting column is a flexible block, and the bulges and the adjacent connecting columns are integrally formed.

5. The acoustic enclosure of claim 1, wherein: the bottom shell is provided with an opening to form the accommodating space; the sound box also comprises a first enclosure, and the first enclosure is fixedly connected with the inner wall of the opening; the sound generating unit is connected to a side of the first enclosure facing the opening; the first enclosure is provided with a through hole penetrating through the first enclosure at a position corresponding to the sound generating unit, so that the sound generated by the sound generating unit can be transmitted out through the through hole.

6. The acoustic enclosure of claim 5, wherein: and a barrier strip is fixedly arranged on the first enclosure, and two ends of the barrier strip are fixedly connected to the hole wall of the through hole respectively.

7. An acoustic enclosure as claimed in claim 5 or 6, wherein: the loudspeaker box further comprises a second enclosure, the second enclosure is fixedly connected to the side, away from the opening, of the first enclosure, a plurality of sounding holes penetrating through the second enclosure are formed in the second enclosure, and each sounding hole is communicated with the through hole.

8. The acoustic enclosure of claim 7, wherein: the first capsule is provided with a positioning block on one side facing the second capsule, the second capsule is provided with a positioning hole matched with the positioning block, and the positioning block penetrates through the positioning hole so as to position the second capsule.

9. The acoustic enclosure of claim 1, wherein: the loudspeaker box further comprises a battery, the battery is contained in the containing space and electrically connected with the mainboard to supply electric energy to the mainboard, a charging interface is arranged on the mainboard and penetrates through the bottom shell, and the charging interface is used for electrically communicating the battery with an external power supply.

10. The acoustic enclosure of claim 1, wherein: the sound box further comprises a Bluetooth assembly, the Bluetooth assembly is contained in the containing space and electrically connected with the mainboard, and the Bluetooth assembly is used for receiving wireless data and transmitting the wireless data to the mainboard.