CN210168160U

CN210168160U - Loudspeaker box

Info

Publication number: CN210168160U
Application number: CN201921408014.1U
Authority: CN
Inventors: 李红; 施胜荣; 王程良
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-03-20
Anticipated expiration: 2029-08-26

Abstract

The utility model provides a loudspeaker box. The loudspeaker box comprises a shell with an accommodating space, a loudspeaker single body and a flexible circuit board, wherein the loudspeaker single body is accommodated in the accommodating space, the loudspeaker single body is electrically connected with the loudspeaker single body and extends to the flexible circuit board outside the accommodating space, the shell is provided with a leakage hole communicated with the outside, the flexible circuit board comprises a fixing part fixedly connected with the loudspeaker single body, a leakage part covering the leakage hole, a leading-out part leading out of the accommodating space and a connection part connecting the fixing part, the leakage part and the leading-out part. Compared with the prior art, the utility model provides a speaker box has increased and has revealed that the hole can establish the position and reduce the cost.

Description

Loudspeaker box

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electroacoustic conversion technology field, concretely relates to apply to speaker box of portable electronic product.

[ background of the invention ]

With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. At present, the functions of a mobile phone are very diverse, one of which is a high-quality music function, and thus, a speaker box for playing sound is widely applied to the current smart mobile devices.

The loudspeaker box in the related art comprises a shell with an accommodating space, a loudspeaker single body accommodated in the accommodating space and a flexible circuit board electrically connected with the loudspeaker single body and extending out of the accommodating space, wherein the shell is provided with a leakage hole communicated with the outside.

However, the speaker boxes of the related art often have air-permeable partitions for blocking dust at the leakage holes, which increases material costs, labor costs, and automation costs of the speaker boxes; meanwhile, when the accommodating space is limited, the position of the leakage hole is single, which is not favorable for the layout of the inner space of the accommodating space and affects the performance of the loudspeaker box.

Therefore, in order to overcome the defects of single position and high cost of the leakage hole in the speaker box in the prior art, a new speaker box with the position where the leakage hole can be created and the cost reduced needs to be provided to solve the problems.

[ Utility model ] content

The to-be-solved technical problem of the utility model is to revealing the defect that hole position is single and with high costs in the speaker box of prior art, the utility model provides a new increase reveal the hole can establish the speaker box of position and cost is reduced.

The utility model provides a loudspeaker box, including the casing of utensil accommodating space, accept in accommodating space's speaker monomer and with speaker monomer electricity is connected and extends to the outer flexible circuit board of accommodating space, the casing is equipped with the hole of revealing with external intercommunication, flexible circuit board include with fixed part that speaker monomer electricity is connected, cover the portion of revealing, drawing forth accommodating space's extraction and connection the fixed part the portion of revealing the connecting portion of extraction.

Preferably, the fixing portion, the leakage portion, the lead-out portion, and the connecting portion are integrally formed.

Preferably, the casing include the upper cover, with upper cover assembly forms accommodating space's lower cover, the speaker monomer includes the vibrating diaphragm, accommodating space include by the vibrating diaphragm with preceding sound chamber that the upper cover interval formed and with preceding sound chamber relative back chamber, the exposure hole set up in the casing corresponds back chamber department.

Preferably, the leakage portion includes a body portion and a plurality of dust-proof holes penetrating the body portion and facing the leakage hole, and the plurality of dust-proof holes are disposed at intervals and are all communicated with the leakage hole.

Preferably, the upper cover include with the relative roof of lower cover, certainly the periphery of roof is to being close to the lateral wall that the lower cover direction extends and certainly the roof is to being close to the support wall that the lower cover direction extends, the leakage hole runs through the support wall reaches the roof, the support wall be equipped with the recess of leakage hole intercommunication, the portion lid of leaking is located the support wall and with the recess forms leakage path jointly, the back chamber passes through leakage path reaches the leakage hole communicates with the external world.

Preferably, the aperture of the leakage hole gradually decreases toward the outside along the receiving space.

Compared with the prior art, the utility model discloses a loudspeaker box is through setting up the flexible circuit board with reveal the mode of revealing that the hole combines, adopt on the one hand and reveal the portion of revealing the mode in hole replaces ventilative isolator, has saved the material and the process of making ventilative isolator in addition to material cost, cost of labor and automatic cost have been reduced, on the other hand works as accommodating space is more limited time partially, has increased but the position is established to revealing the hole, thereby has reduced loudspeaker box's design and manufacturing 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 schematic view of a three-dimensional structure of a speaker box provided by the present invention;

FIG. 3 is an enlarged view of portion A of the loudspeaker enclosure shown in FIG. 2;

fig. 4 is a schematic perspective view of another angle of the speaker box according to the present invention;

FIG. 5 is a cross-sectional view of the speaker cabinet of FIG. 4 taken along line B-B;

fig. 6 is an enlarged view of a portion C of the speaker box shown in fig. 5.

[ 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.

Referring to fig. 1 to fig. 6, the present invention provides a speaker box 100, wherein the speaker box 100 includes a housing 10 having an accommodating space 101, a speaker unit 30 accommodated in the accommodating space 101, and a flexible circuit board 50 electrically connected to the speaker unit 30 and extending out of the accommodating space 101.

The housing 10 is provided with a leakage hole 11 communicating with the outside. Specifically, the housing 10 further includes an upper cover 13 and a lower cover 15 assembled with the upper cover 13 to form the receiving space 101. The speaker unit 30 includes a diaphragm 31, and the accommodating space 101 includes a front acoustic cavity 102 formed by the diaphragm 31 and the upper cover 13 at an interval, and a rear cavity 103 opposite to the front acoustic cavity 102. In the present embodiment, the leakage hole 11 is provided at the housing 10 corresponding to the rear cavity 103.

Preferably, the diameter of the leakage hole 11 is gradually reduced toward the outside along the receiving space 101.

The upper cover 13 includes a top wall 131 facing the lower cover 15, a side wall 133 extending from a peripheral edge of the top wall 131 in a direction approaching the lower cover 15, and a support wall 135 extending from the top wall 131 in a direction approaching the lower cover 15.

The shape of the support wall 135 matches the shape of the flexible circuit board 50, and the leakage hole 11 penetrates the support wall 135 and the top wall 131. At this time, the supporting wall 135 is provided with a groove 1351 communicating with the leakage hole 11, and the groove 1351 communicates the leakage hole 11 with the rear chamber 103.

The flexible circuit board 50 includes a fixing portion 51 electrically connected to the speaker unit 30, a leakage portion 53 covering the leakage hole 11, a lead-out portion 55 leading out of the accommodation space 101, and a connecting portion 57 connecting the fixing portion 51, the leakage portion 53, and the lead-out portion 55.

Preferably, the fixing portion 51, the leakage portion 53, the lead portion 55, and the connecting portion 57 are integrally formed.

In the present embodiment, the leakage portion 53 has a plate-like structure. And the leakage part 53 is covered on the supporting wall 135 and forms a leakage channel 104 together with the groove 1351, and the rear cavity 103 is communicated with the outside through the leakage channel 104 and the leakage hole 11.

Of course, in another embodiment, if the leakage hole 11 cannot be provided to penetrate the support wall 135 and the top wall 131, that is, if the support wall 135 is provided with a groove to communicate the leakage hole 11 with the rear cavity 103, the leakage portion 53 may have a hole structure.

At this time, the leakage portion 53 includes a main body portion and a plurality of dust-proof holes penetrating the main body portion and facing the leakage hole 11, and the plurality of dust-proof holes are disposed at intervals and are all communicated with the leakage hole 11.

Compared with the prior art, the utility model discloses a loudspeaker box 100 is through setting up flexible circuit board 50 with the mode of revealing that hole 11 combines adopts on the one hand to reveal 53 to cover the material and the process of making ventilative barrier member in addition have been saved to the mode of revealing hole 11 replaces ventilative barrier member to reduced material cost, cost of labor and automatic cost, on the other hand, works as accommodating space 101 is more limited, has increased but the position is established to revealing hole 11, thereby has reduced loudspeaker box 100's design and 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. The utility model provides a loudspeaker box, including the casing of utensil accommodating space, accept in accommodating space's speaker monomer and with speaker monomer electricity is connected and extends to the outer flexible circuit board of accommodating space, its characterized in that, the casing is equipped with the hole of revealing with external intercommunication, flexible circuit board include with fixed part that speaker monomer electricity is connected, cover the portion of revealing the hole, draw forth accommodating space's extraction and connection the fixed part the portion of revealing the connecting portion of extraction.

2. The speaker cabinet of claim 1, wherein the fixing portion, the leakage portion, the lead-out portion, and the connecting portion are integrally molded.

3. The speaker box of claim 1, wherein the housing includes an upper cover and a lower cover assembled with the upper cover to form the receiving space, the speaker unit includes a diaphragm, the receiving space includes a front acoustic cavity formed by the diaphragm and the upper cover at an interval and a rear cavity opposite to the front acoustic cavity, and the leakage hole is disposed at the housing corresponding to the rear cavity.

4. The speaker box of claim 3, wherein the leakage portion includes a body portion and a plurality of dust-proof holes extending through the body portion and opposing the leakage hole, the plurality of dust-proof holes being spaced apart and all communicating with the leakage hole.

5. The speaker box according to claim 3, wherein the upper cover includes a top wall opposite to the lower cover, a side wall extending from a periphery of the top wall toward a direction close to the lower cover, and a support wall extending from the top wall toward the direction close to the lower cover, the leakage hole penetrates the support wall and the top wall, the support wall is provided with a groove communicating with the leakage hole, the leakage portion is covered on the support wall and forms a leakage passage together with the groove, and the rear cavity communicates with the outside through the leakage passage and the leakage hole.

6. The speaker box according to claim 4 or 5, wherein an aperture of the leakage hole is gradually reduced toward the outside along the receiving space.