CN214101763U

CN214101763U - Loudspeaker box

Info

Publication number: CN214101763U
Application number: CN202023045747.9U
Authority: CN
Inventors: 肖波; 令狐荣林
Original assignee: AAC Acoustic Technologies Shenzhen Co Ltd; AAC Optoelectronic Changzhou Co Ltd
Current assignee: AAC Technologies Holdings Shenzhen Co Ltd; AAC Microtech Changzhou Co Ltd; AAC Optoelectronic Changzhou Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-31
Anticipated expiration: 2030-12-16
Also published as: WO2022126768A1

Abstract

The utility model provides a loudspeaker box, it includes: the shell is provided with an accommodating space and is provided with an opening area; the sounding single body is accommodated in the accommodating space; the sound-producing unit divides the accommodating space into a front sound cavity and a rear cavity, and the opening area is provided with a powder filling hole for communicating the rear cavity to the outside and a leakage hole spaced from the powder filling hole; the sound guide channel is formed on the inner side of the shell and communicates the front sound cavity with the outside to jointly form a front cavity; the sealing element is attached to the opening area and seals the powder filling hole, and the sealing element is provided with a through hole which corresponds to the leakage hole and exposes the leakage hole; and the breathable isolating piece is attached to the sealing piece and completely covers the through hole. The utility model discloses can promote and irritate whitewashed efficiency, save automatic line process and with low in production cost.

Description

Loudspeaker box

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electroacoustic conversion technology field especially relates to a loudspeaker box.

[ background of the invention ]

The loudspeaker box is a common electronic component, is mainly used for playing audio signals, and is widely applied to intelligent audio playing equipment such as mobile phones, game machines, navigators and the like.

The loudspeaker box is including the casing that has accommodating space, accept the sound production monomer in accommodating space, sound chamber and back cavity before sound production monomer's both sides form with the casing interval respectively, preceding sound chamber forms the front chamber through leading the sound passageway and external intercommunication, still be provided with respectively on the casing in the position of difference and communicate the back cavity to external powder hole and the hole of revealing of irritating, irritate the powder hole and seal through the sealing member, reveal the hole and carry out the ventilative isolation of back cavity and external through ventilative separator.

The existing process comprises the procedures of powder filling, powder filling hole sealing, leakage hole sealing and the like, and in the automatic implementation process, the automatic line has more procedures and the production cost is relatively high.

[ Utility model ] content

The to-be-solved technical problem of the utility model is to provide a can promote irritate whitewashed efficiency, save automatic line process, and lower speaker box of manufacturing cost.

In order to solve the technical problem, the utility model provides a loudspeaker box, it includes:

the shell is provided with an accommodating space and is provided with an opening area;

the sounding single body is accommodated in the accommodating space; the sound-producing unit divides the accommodating space into a front sound cavity and a rear cavity, and the opening area is provided with a powder filling hole for communicating the rear cavity to the outside and a leakage hole spaced from the powder filling hole;

the sound guide channel is formed on the inner side of the shell and communicates the front sound cavity with the outside to jointly form a front cavity;

the sealing element is attached to the opening area and seals the powder filling hole, and the sealing element is provided with a through hole which corresponds to the leakage hole and exposes the leakage hole; and the number of the first and second groups,

and the breathable isolating piece is attached to the sealing piece and completely covers the through hole.

Preferably, the powder filling holes are at least two.

Preferably, the powder filling holes are four and are arranged around the leakage hole at equal intervals.

Preferably, the powder filling holes are uniformly arranged at the edge of the opening area in a surrounding manner.

Preferably, the housing includes a lower cover and an upper cover covering the lower cover and enclosing the accommodating space together, the sound-generating unit and the upper cover form the front sound cavity at an interval, and the sound-generating unit, the upper cover and the lower cover enclose the rear cavity together; the opening area is arranged on the lower cover.

Preferably, the hole-opening area is formed by the side of the lower cover away from the sound-generating unit and is recessed towards the accommodating space.

Preferably, the sum of the thickness of the sealing member and the thickness of the gas-permeable partition is equal to or less than the depth of the recess of the perforated region.

Compared with the prior art, the utility model discloses a in the loudspeaker box, through set up a trompil region on the casing, and will irritate the powder hole and reveal the hole and all locate the trompil region, thereby make irritate the powder hole and reveal the same position of hole site in the casing, be favorable to irritating the powder hole and reveal the hole department simultaneously like this and irritate the powder, irritate powder efficiency with the promotion, make simultaneously sealing member and ventilative separator can compound together, laminate the trompil region with the sealing member with ventilative separator on same process, save automatic line process, with reduction in production cost.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:

fig. 1 is a schematic perspective view of a speaker box according to the present invention;

fig. 2 is an exploded view of a first part of the three-dimensional structure of the speaker box of the present invention;

fig. 3 is an enlarged view of a portion B of fig. 2.

Fig. 4 is an exploded view of a second part of the three-dimensional structure of the speaker box of the present invention;

fig. 5 is a cross-sectional view taken along line a-a of fig. 1.

Wherein, 1, a shell; 11. a lower cover; 111. an opening area; 112. a leak hole; 113. filling a powder hole; 12. an upper cover; 121. a sound guide channel; 2. a sounding monomer; 21. vibrating diaphragm; 22. a front cavity; 221. a front acoustic chamber; 23. a rear cavity; 3. a seal member; 31. a through hole; 4. a breathable separator.

[ detailed description ] embodiments

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 efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides a loudspeaker box, it is shown in combination fig. 1 to 5, loudspeaker box includes: the sound emitting unit comprises a shell 1, a sound emitting single body 2, a sound guide channel 121, a sealing member 3 and a ventilation isolating member 4.

Specifically, the housing 1 includes a lower cover 11, and an upper cover 12 that covers the lower cover 11 and collectively encloses a housing space. Wherein, the lower cover 11 is provided with an opening area 111.

Specifically, the sound generating unit 2 is accommodated in the accommodating space, and one side of the sound generating unit 2 is supported by the upper cover 12, wherein the sound generating unit 2 includes a vibrating diaphragm 21.

Specifically, the diaphragm 21 and the upper cover 12 are spaced to form a front sound cavity 221, the sound guide channel 121 is formed on the inner side of the upper cover 12, and the front sound cavity 221 is communicated with the outside through the sound guide channel 121 to form a front cavity 22 together, so as to form a side sound production structure.

In the present embodiment, a portion of the upper cover 12 is recessed in a direction away from the sound-emitting unit 2, and the recessed portion is spaced apart from the sound-emitting unit 2 so as to enclose the front sound chamber 221. Therefore, the distance between the two parts can be increased by only increasing the thickness of the corresponding part of the upper cover 12, and the whole thickness of the shell 1 does not need to be increased, so that the effect of reducing the whole thickness of the loudspeaker box is achieved.

Wherein, the concave part of the upper cover 12 is the part corresponding to the sounding unit 2.

Specifically, the sound generating unit 2, the lower cover 11, and the upper cover 12 together enclose a rear cavity 23 for improving low frequency acoustic performance.

Specifically, the opening region 111 is provided with a powder filling hole 113 communicating the rear cavity 23 to the outside and a leakage hole 112 spaced apart from the powder filling hole 113.

In the present embodiment, the area of the leakage hole 112 is smaller than that of the powder filling hole 113.

The powder filling hole 113 is used for filling sound absorbing material to improve the acoustic performance of the speaker box, and the leakage hole 112 is used for realizing ventilation with the outside.

Specifically, the number of the powder filling holes 113 is at least two, such as two, three, four, five, etc. Of course, there may be one powder filling hole 113 according to actual requirements.

Specifically, when there are a plurality of powder filling holes 113, the plurality of powder filling holes 113 are disposed at equal intervals around the leakage hole 112.

In the present embodiment, the opening region 111 is provided with four powder filling holes 113, and the four powder filling holes 113 are uniformly and equally spaced around the leakage hole 112 and are disposed at the edge of the opening region 111.

Further, the opening area 111 is formed by the side of the lower cover 11 away from the sound generating unit 2 and is recessed toward the receiving space. Therefore, the opening region 111 can be quickly found to carry out the opening process of the powder filling hole 113 and the leakage hole 112, so as to ensure that the opening region 111 in the produced product is the same.

Specifically, the sealing member 3 is attached to the opening region 111 and seals the powder filling hole 113, and the sealing member 3 is provided with a through hole 31 corresponding to the leakage hole 112 and exposing the leakage hole 112.

Specifically, the air-permeable partition 4 is attached to the sealing member 3 and completely covers the through hole 31, and since the air-permeable partition 4 is made of an air-permeable material, the rear cavity 23 can be communicated with the outside air through the leakage hole 112 and the through hole 31 after the air-permeable partition 4 covers the through hole 31.

Further, the sum of the thickness of the sealing member 3 and the thickness of the gas-permeable partition 4 is equal to the depth of the depression of the perforated region 111. This ensures flatness of the lower cover 11 in the speaker box to enhance the aesthetic sense of the entire structure.

Of course, the sum of the thickness of the sealing member 3 and the thickness of the gas-permeable partition 4 may also be smaller than the depth of the recess of the perforated region 111. Thus, after the sealing member 3 and the air-permeable partition member 4 are attached to the opening region 111, the height of the opening region 111 is not increased.

Compared with the prior art, the utility model discloses an in the loudspeaker box, through set up trompil region 111 on lower cover 11, and will irritate powder hole 113 and reveal hole 112 and all locate trompil region 111, thereby make irritate powder hole 113 and reveal the hole 112 and be located the same position of lower cover 11, be favorable to irritating powder hole 113 and reveal hole 112 department simultaneously and irritate the powder like this, irritate powder efficiency with the promotion, make sealing member 3 and ventilative separator 4 can compound together simultaneously, laminate trompil region 111 with sealing member 3 and ventilative separator 4 in same process, save automatic line process, in order to reduce manufacturing cost.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. A loudspeaker enclosure, comprising:

2. A loudspeaker enclosure as claimed in claim 1, wherein the number of powder filling holes is at least two.

3. A loudspeaker enclosure according to claim 2, wherein the powder filling holes are four and equally spaced around the leakage hole.

4. The loudspeaker box as recited in claim 2, wherein the powder filling hole is uniformly arranged around the edge of the opening area.

5. The loudspeaker box of claim 1, wherein the housing comprises a lower cover and an upper cover covering the lower cover and enclosing the accommodating space together, the sound generating unit and the upper cover are spaced to form the front sound cavity, and the sound generating unit, the upper cover and the lower cover enclose the rear cavity together; the opening area is arranged on the lower cover.

6. The speaker box according to claim 5, wherein the opening area is formed by a side of the lower cover away from the sound-emitting unit being recessed in a direction toward the housing space.

7. A loudspeaker enclosure according to claim 6, wherein the sum of the thickness of the seal and the thickness of the air-permeable partition is equal to or less than the depth of depression of the apertured region.