CN218850988U

CN218850988U - Loudspeaker module

Info

Publication number: CN218850988U
Application number: CN202120854056.9U
Authority: CN
Inventors: 钟秋明; 王武超
Original assignee: Yiyang Xinwei Acoustic Technology Co Ltd
Current assignee: Yiyang Xinwei Acoustic Technology Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2023-04-11
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a loudspeaker module, include FPC, shell body and locate the speaker monomer in the shell body, FPC's one end expose in the shell body, FPC and shell body are through mould injection moulding formula structure as an organic whole in, FPC is last to be equipped with and to be used for switching on the free contact of speaker, the contact is followed the inner wall of shell body exposes. FPC and shell body pass through mould internal injection moulding formula structure as an organic whole, when equipment speaker module, need not to carry out FPC's assembly process and need not the point and glue sealed, simplified the equipment flow of speaker module, made things convenient for the equipment work of speaker module greatly, do benefit to the manufacturing cost who reduces speaker module. And FPC need not or less occupies speaker module inner chamber space, does benefit to the acoustics performance that improves speaker module.

Description

Loudspeaker module

Technical Field

The utility model relates to an electroacoustic transducer technical field especially relates to a speaker module.

Background

The full chamber speaker includes the shell body and locates the speaker monomer in the shell body, and the shell body is including continuous epitheca and inferior valve, and general full chamber speaker all switches on the speaker monomer and outside complete machine mainboard through FPC, and FPC generally adopts the back equipment mode to adorn in the shell body. The assembly process of the existing full-cavity speaker is briefly described as follows: firstly, the FPC back is pasted with glue, then the FPC is assembled in the shell, the positioning column is used for positioning, the FPC is connected with the loudspeaker monomer in a soldering mode, and finally after the upper shell and the lower shell are assembled in an ultrasonic mode, glue dispensing and sealing are conducted at the position where the FPC penetrates out of the shell. It can be seen from the above description that the existing speaker module has complex assembly process and high assembly cost, and the outlet of the FPC needs to be sealed by dispensing, which is prone to generate bad air leakage and affect performance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a speaker module is provided which is easy to assemble.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a loudspeaker module, includes FPC, shell body and locates the speaker monomer in the shell body, FPC's one end expose in the shell body, FPC and shell body are through mould injection moulding formula structure as an organic whole in, FPC is last to be equipped with and to be used for switching on the free contact of speaker, the contact is followed the inner wall of shell body exposes.

Further, the shell body comprises an upper shell and a lower shell which are connected, and the FPC and the lower shell are in an integral structure formed by injection molding in the mold.

Further, the FPC penetrates out of the lower shell, and the lower shell wraps the FPC along the periphery of the cross section of the FPC.

Further, the upper shell and the lower shell are connected through ultrasonic welding or gluing.

Further, the contact is soldered on the FPC.

Further, the inner wall surface of the outer case has a through hole through which the contact passes.

Furthermore, the single loudspeaker body is provided with a spring pin which is communicated with the contact.

Further, the outer shell is provided with a bulge, and a partial area of the FPC is located in the bulge.

The beneficial effects of the utility model reside in that: FPC and shell body pass through mould internal injection moulding formula structure as an organic whole, when equipment speaker module, need not to carry out FPC's assembly process and need not the point and glue sealed, simplified the equipment flow of speaker module, made things convenient for the equipment work of speaker module greatly, do benefit to the manufacturing cost who reduces speaker module. And FPC need not or less occupies speaker module inner chamber space, does benefit to the acoustics performance that improves speaker module.

Drawings

Fig. 1 is an exploded view of a speaker module according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a speaker module according to an embodiment of the present invention;

fig. 3 is an enlarged view of detail a in fig. 2.

Description of the reference symbols:

1、FPC；

11. a contact point;

2. a speaker unit;

21. a spring foot;

3. an upper shell;

4. a lower case;

5. a raised portion.

Detailed Description

In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 3, a speaker module includes an FPC1, an outer housing, and a speaker unit 2 disposed in the outer housing, wherein one end of the FPC1 is exposed out of the outer housing, the FPC1 and the outer housing are molded into an integral structure by in-mold injection molding, a contact 11 for conducting the speaker unit 2 is disposed on the FPC1, and the contact 11 is exposed from an inner wall of the outer housing.

From the above description, the beneficial effects of the utility model reside in that: FPC1 passes through mould plastics shaping formula structure as an organic whole in the mould with the shell body, does benefit to the equipment flow of simplifying the speaker module, reduces the manufacturing cost of speaker module.

Further, the shell body is including continuous epitheca 3 and inferior valve 4, FPC1 with inferior valve 4 is through mould internal injection moulding formula structure as an organic whole.

Further, the FPC1 penetrates out of the lower shell 4, and the lower shell 4 wraps the FPC1 along the periphery of the cross section of the FPC1.

As can be seen from the above description, the FPC1 penetrates out of the position of the lower shell 4, and the FPC1 is wrapped by the material of the lower shell 4, so that sealing is realized, and the performance of the loudspeaker module is guaranteed.

Further, the upper case 3 and the lower case 4 are ultrasonically welded or adhesively bonded.

Further, the contact 11 is soldered on the FPC1.

As can be seen from the above description, the contact 11 is simply and stably connected to the FPC1.

Further, the inner wall surface of the outer case has a through hole through which the contact 11 passes.

As can be seen from the above description, the contact 11 protrudes from the inner wall surface of the outer casing, so that the connection and conduction between the speaker unit 2 and the contact 11 can be facilitated.

Furthermore, the speaker unit 2 is provided with a spring pin 21 which is conducted with the contact 11.

As can be seen from the above description, the speaker unit 2 and the FPC1 can be stably connected and conducted.

Further, the outer shell has a boss 5 therein, and a partial area of the FPC1 is located in the boss 5.

As can be seen from the above description, the provision of the protruding portion 5 can reduce the requirement of the FPC1 on the wall thickness of the outer housing, so that the outer housing has more internal space for use as a cavity, which is beneficial to improving the acoustic performance of the speaker module.

Example one

Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: a loudspeaker module can be used for portable electronic terminal equipment such as mobile phones, tablet computers and intelligent watches.

As shown in fig. 1 and fig. 2, the speaker module includes FPC1, shell body and locate speaker monomer 2 in the shell body, the shell body includes epitheca 3 and inferior valve 4 that link to each other, epitheca 3 and inferior valve 4 adhesive bonding, FPC 1's one end expose in the shell body, FPC1 and shell body pass through mould internal injection moulding formula structure as an organic whole, be equipped with on FPC1 and be used for switching on speaker monomer 2's contact 11, contact 11 follows the inner wall of shell body exposes. In this embodiment, the FPC1 and the lower case 4 are molded into an integrated structure by in-mold injection; and the loudspeaker single body 2 is provided with a spring pin 21 which is communicated with the contact 11.

Preferably, the other regions of the FPC1 except the region exposed to the outer housing are all covered by the material of the outer housing. Of course, in other embodiments, it is also possible that the FPC1 is located in a portion inside the outer housing, one surface of which is exposed from the inner wall surface of the outer housing.

As shown in fig. 1, further, the FPC1 penetrates out of the lower case 4, and the lower case 4 covers the FPC1 along the periphery of the cross section of the FPC1.

Referring to fig. 1 and 3, in the present embodiment, the contact 11 is in a cylindrical shape, the contact 11 is soldered on the FPC1, and for convenience of processing, the contact 11 is surface-mounted on the FPC1 by an SMT process. Preferably, the inner wall surface of the outer housing has a through hole through which the contact 11 passes.

In order to make the outer shell have a larger space cavity, a bulge part 5 is arranged in the outer shell, and a partial area of the FPC1 is positioned in the bulge part 5. In this embodiment, the protruding portion 5 is disposed on the inner wall of the lower case 4.

Example two

Referring to fig. 1 to 3, a second embodiment of the present invention is: a loudspeaker module can be used for portable electronic terminal equipment such as mobile phones, tablet computers and intelligent watches.

As shown in fig. 1 and 2, the speaker module includes FPC1, shell body and locate speaker monomer 2 in the shell body, the shell body includes continuous epitheca 3 and inferior valve 4, epitheca 3 and inferior valve 4 ultrasonic welding are in the same place, FPC 1's one end expose in the shell body, FPC1 and shell body pass through mould internal injection moulding formula structure as an organic whole, be equipped with on FPC1 and be used for switching on speaker monomer 2's contact 11, contact 11 follows the inner wall of shell body exposes. In this embodiment, the FPC1 and the lower case 4 are molded into an integrated structure by in-mold injection; and the loudspeaker single body 2 is provided with a spring pin 21 which is communicated with the contact 11.

Preferably, the other regions of the FPC1 except the region exposed to the outer housing are all covered by the material of the outer housing. Of course, in other embodiments, it is also possible that the FPC1 is located in a portion inside the outer case, with one surface thereof exposed from the inner wall surface of the outer case.

In order to make the outer shell have a larger space cavity, a bulge part 5 is arranged in the outer shell, and a partial area of the FPC1 is positioned in the bulge part 5. In this embodiment, the protruding portion 5 is provided on the inner wall of the lower case 4.

To sum up, the utility model provides a speaker module, FPC and shell body pass through mould internal injection moulding formula structure as an organic whole, when equipment speaker module, need not to carry out FPC's assembly process and need not the point and glue sealed, have simplified the equipment flow of speaker module, have made things convenient for the equipment work of speaker module greatly, do benefit to the manufacturing cost who reduces speaker module. The FPC does not need to occupy the space of the inner cavity of the loudspeaker module or occupies less space, so that the acoustic performance of the loudspeaker module is improved; the arrangement of the bulge part can reduce the requirement of the FPC on the wall thickness of the outer shell, so that the outer shell has a larger inner cavity, and the acoustic performance of the loudspeaker module is improved; in addition, FPC switches on through the free bullet foot of contact and speaker, need not the welding, does benefit to the packaging efficiency who further improves speaker module.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a loudspeaker module, includes FPC, shell body and locates the speaker monomer in the shell body, FPC's one end expose in the shell body, its characterized in that: FPC passes through mould injection moulding formula structure as an organic whole with the shell body, be equipped with on the FPC and be used for switching on the free contact of speaker, the contact is followed the inner wall of shell body exposes.

2. The speaker module of claim 1, wherein: the shell body is including the epitheca and the inferior valve that link to each other, FPC with inferior valve is through mould injection moulding formula structure as an organic whole in the mould.

3. The speaker module of claim 2, wherein: the FPC penetrates out of the position of the lower shell, and the lower shell wraps the FPC along the periphery of the cross section of the FPC.

4. The speaker module as claimed in claim 2, wherein: the upper shell and the lower shell are connected through ultrasonic welding or gluing.

5. The speaker module of claim 1, wherein: the contacts are soldered on the FPC.

6. The speaker module of claim 5, wherein: the inner wall surface of the outer shell is provided with a through hole for the contact to pass through.

7. The speaker module of claim 1, wherein: and the loudspeaker monomer is provided with an elastic pin which is communicated with the contact.

8. The speaker module of claim 1, wherein: the shell body is internally provided with a bulge part, and a partial area of the FPC is positioned in the bulge part.