CN213426422U

CN213426422U - Loudspeaker module

Info

Publication number: CN213426422U
Application number: CN202120965166.2U
Authority: CN
Inventors: 宋学平
Original assignee: Gettop Acoustic Co Ltd
Current assignee: Gettop Acoustic Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-06-11
Anticipated expiration: 2031-05-08

Abstract

The utility model provides a loudspeaker module, including the casing of metal material, its characterized in that: the casing includes epitheca, inferior valve and apron, the apron is fixed on the epitheca, the epitheca is cavity annular structure, the epitheca is including being used for the free support of fixed speaker, the support set up in the inside wall of epitheca, the support is the metal material, the support with epitheca integrated into one piece sets up. The bracket is arranged in the upper shell, the bracket and the upper shell are integrally arranged, and the bracket is only used for supporting and fixing the loudspeaker single body, so that the structure of the bracket can be greatly simplified, the size of the bracket is reduced, the space occupation ratio of the front cavity and the rear cavity is improved, and the acoustic performance of the loudspeaker can be favorably exerted; the step of fixing the bracket and the upper shell is omitted, so that the mounting operation can be simplified, and the assembly efficiency is improved; a glue storage groove used for filling a sealing glue or performing laser welding is formed between the upper shell and the lower shell, so that the sealing performance of the upper shell and the lower shell can be ensured, and the acoustic performance is improved.

Description

Loudspeaker module

Technical Field

The utility model relates to a speaker field, specifically speaking relates to a speaker module.

Background

Along with the light and thin development trend requirement of cell-phone, the requirement to speaker module thickness is also more and more thin, and present industry common design scheme comprises upper shell, FPC, speaker kernel, the inferior valve of moulding plastics, damping, and the upper and lower shell forms holds the chamber, and the speaker is fixed in on the upper shell, and divides into preceding back chamber to holding the chamber, and the upper shell has a sound hole and cell-phone sound hole cooperation formation sound channel, and FPC supplies power for the speaker. Hold the intracavity and still need connect a support and be used for supporting fixed speaker kernel among the prior art, the support need set up alone, need fix the support earlier in holding the intracavity during installation, fix the speaker kernel on the support again, it is fixed with inferior valve and epitheca at last, can cause two problems like this, firstly the support both need guarantee with the steadiness of epitheca being connected, will stabilize the support to the kernel again, this is just causing the bulky of support, the structure is complicated, secondly the support needs to be fixed in the inside of epitheca, the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a speaker module.

The purpose of the utility model is achieved through the following technical measures: the utility model provides a loudspeaker module, includes metal material's casing, its characterized in that: the casing includes epitheca, inferior valve and apron, the apron is fixed on the epitheca, the epitheca is cavity annular structure, the epitheca is including being used for the free support of fixed speaker, the support set up in the inside wall of epitheca, the support is the metal material, the support with epitheca integrated into one piece sets up.

Preferably, the upper shell and the bracket are formed by one of stamping, die casting or powder injection molding.

As a preferable scheme, the upper shell is provided with a second supporting platform, the second supporting platform is arranged along the circumferential direction of the support, and the cover plate is fixedly connected with the second supporting platform.

As a preferable scheme, a concave part is arranged on one side of the upper shell close to the cover plate, the bottom of the concave part is flush with the support, and the upper shell and the cover plate form a sound outlet.

As a preferred scheme, the upper shell is provided with a third supporting platform connected with the lower shell, the third supporting platform is arranged along the circumferential direction of the upper shell, and the third supporting platform is arranged in a step shape.

As a preferable scheme, a fourth supporting platform which is connected with the third supporting platform in a matched mode is arranged on the circumferential direction of the lower shell, the fourth supporting platform is arranged in a step shape, and the step direction of the fourth supporting platform is opposite to that of the third supporting platform.

As a preferable scheme, the third supporting platform comprises a first flat plate extending in the horizontal direction and a first baffle plate vertically arranged, the fourth supporting platform comprises a second flat plate extending in the horizontal direction and a second baffle plate vertically arranged, the first flat plate and the second flat plate are overlapped, and the first baffle plate and the second baffle plate enclose a glue storage groove.

As a preferred scheme, the support is the loop configuration, establish the through-hole in the support, the support includes first supporting station and spacing muscle, first supporting station sets up along through-hole circumference, spacing muscle is provided with a plurality ofly along first supporting station circumference, one side setting of apron is kept away from to spacing muscle orientation.

As a preferred scheme, the loudspeaker monomer is sealed to be placed on the first supporting platform, and the limiting ribs are uniformly distributed along the periphery of the loudspeaker monomer.

As a preferred scheme, epitheca, inferior valve and apron enclose the city and hold the chamber, the speaker monomer is sealed to be set up in holding the chamber and will hold the chamber and divide into front chamber and back chamber.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that:

the bracket is arranged in the upper shell, the bracket and the upper shell are integrally arranged, and the bracket is only used for supporting and fixing the loudspeaker single body, so that the structure of the bracket can be greatly simplified, the size of the bracket is reduced, the space occupation ratio of the front cavity and the rear cavity is improved, and the acoustic performance of the loudspeaker can be favorably exerted; the step of fixing the bracket and the upper shell is omitted, so that the mounting operation can be simplified, and the assembly efficiency is improved; a glue storage groove used for filling a sealing glue or performing laser welding is formed between the upper shell and the lower shell, so that the sealing performance of the upper shell and the lower shell can be ensured, and the acoustic performance is improved.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic diagram of an overall explosion structure of a speaker module according to the present invention.

Fig. 2 is a schematic view of an overall cross-sectional structure of a speaker module according to the present invention.

Fig. 3 is a schematic perspective sectional view of a speaker module according to the present invention.

Fig. 4 is a schematic view of an upper case structure of the speaker module according to the present invention.

Fig. 5 is a schematic view of a recess structure of a speaker module according to the present invention.

Fig. 6 is a schematic diagram of a sectional structure of an upper case of a speaker module according to the present invention.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): as shown in fig. 1-6, a speaker module comprises a metal casing 1, wherein the casing 1 comprises an upper casing 2, a lower casing 3 and a cover plate 4, the wall thickness of the metal casing can be 0.2mm, the processing cost is low, the heat conduction effect is good, the heat dissipation of the speaker module is facilitated, and the service life of components is prolonged. In this embodiment, the upper case 2 is a hollow ring shape of a rectangular solid, the two ends of the upper case 2 are respectively provided with openings, the openings at the two ends are rectangular and are respectively connected with the lower case 3 and the cover plate 4 in a sealing manner, the upper case 2, the lower case 3 and the cover plate 4 are enclosed to form a containing cavity 7, a bracket 6 for fixing the speaker monomer 5 is arranged in the upper case 2, the bracket 6 is arranged on the inner side wall of the upper case 2, the bracket 6 is made of metal material, the bracket 6 and the upper case 2 are integrally formed, the upper case 2 and the bracket 6 are formed by stamping, die casting or powder injection, in this embodiment, the upper case 2 and the bracket 6 are integrally formed by stamping, and the bracket 6 is only used for supporting and fixing the speaker monomer 5, so that the structure of the bracket 6 can be greatly simplified, the size of the bracket 6 is reduced, and the fixing step of the bracket 6 and the, the installation operation is simplified.

As shown in fig. 5, the upper case 2 is provided with a second supporting platform 8, the second supporting platform 8 is disposed along the circumferential direction of the support 6, in this embodiment, the second supporting platform 8 is correspondingly disposed in a U-shape without being closed, and the cover plate 4 is fixedly connected to the second supporting platform 8. The upper shell 2 is close to one side of apron 4 establishes a depressed part 9, and depressed part 9 wholly is the cuboid, has one side opening all around for install other parts, the bottom of depressed part 9 with support 6 flushes. As shown in fig. 2-3, the shape and size of the cover plate 4 are equal to the shape and size of the plane enclosed by the second supporting platform 8, the cover plate 4 is placed on the second supporting platform 8, and the second supporting platform 8 can be glued and bonded with the cover plate 4 or fixed by laser welding. The upper case 2 and the cover plate 4 form a sound outlet 15.

As shown in fig. 5-6, support 6 is the loop configuration, be provided with through-hole 10 on the support 6, support 6 includes first supporting station 11 and spacing muscle 12, first supporting station 11 sets up along through-hole 10 circumference, spacing muscle 12 is provided with a plurality ofly along first supporting station 11 circumference, one side setting of apron 4 is kept away from to spacing muscle 12 orientation. The loudspeaker monomer 5 is placed in a sealed mode on the first supporting platform 11, and the limiting ribs 12 are evenly distributed along the periphery of the loudspeaker monomer 5. As shown in fig. 6, in this embodiment, the first supporting table 11 is disposed along an XY plane, four limiting ribs 12 are disposed, and are disposed on four sides of the support 6, respectively, one end of each limiting rib 12 is disposed on the first supporting table 11, and the other end of each limiting rib 12 extends in a Z-axis direction and is used for limiting the speaker unit 5 on the XY plane, the first supporting table 11 located between adjacent limiting ribs 12 extends inward and is used for limiting the speaker unit 5 in the Z-axis direction, as shown in fig. 2 to 3, the speaker unit 5 is placed on the supporting table, the limiting ribs 12 are uniformly distributed along the periphery of the speaker unit 5, the speaker unit 5 is in a rectangular shape, and the four limiting ribs 12 are disposed outside four sides of the speaker unit 5, respectively. In this embodiment, the side facing the center of the speaker unit 5 is the inner side, and the side away from the center of the speaker unit 5 is the outer side.

As shown in fig. 2 to 3, the speaker unit 5 is hermetically disposed in the accommodating chamber 7, and divides the accommodating chamber 7 into a front chamber and a rear chamber. In this embodiment, the bracket 6, the speaker unit 5, and the cover plate 4 enclose a front cavity 13, and the upper case 2, the speaker unit 5, the bracket 6, and the lower case 3 enclose a rear cavity 14.

In this embodiment, adopt

support

6 and 2 integrative settings of epitheca,

apron

4 and 2 assembly connections of epitheca, compare in traditional speaker apron and the integrative setting of epitheca, support and epitheca assembly connection, can effectively reduce the volume of support 6, and support 6 needs fixed mounting in the chamber 7 that holds in epitheca 2, compare in the apron 4 of installing at the tip, it is more loaded down with trivial details and stable the requirement higher to show the installation fixed step of support 6, consequently, can effectively simplify the installation step of whole speaker module, thereby improve assembly efficiency.

The lower casing 3 is arranged at one end of the upper casing 2 far away from the cover plate 4 and is detachably connected with the upper casing 2. As shown in fig. 4 and 6, the upper case 2 is provided with a third support 16 connected to the lower case 3, the third support 16 is disposed along the circumferential direction of the upper case 2, and the third support 16 is disposed in a step shape. The third support platform 16 includes a first plate 18 extending in a horizontal direction and a first baffle 19 disposed vertically. In this embodiment, the first plate 18 and the second plate 20 are disposed along the XY plane direction and are in a closed rectangular ring shape as a whole, and the first baffle 19 is disposed on a side of the first plate 18 away from the accommodating chamber 7 and is disposed along the Z axis direction. As shown in fig. 1-3, the lower shell 3 is circumferentially provided with a fourth support platform 17 in matching connection with the third support platform 16, the fourth support platform 17 is arranged in a step shape, and the step direction of the fourth support platform 17 is opposite to the step direction of the third support platform 16. The fourth supporting platform 17 comprises a second flat plate 20 extending in the horizontal direction and a second baffle 21 vertically arranged, the second flat plate 20 is arranged in the XY plane direction and is parallel to the first flat plate 18, the second baffle 21 is arranged in the Z axis direction and is parallel to the first baffle 19, and the fourth supporting platform 17 is arranged along the periphery of the lower shell 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a loudspeaker module, includes metal material's casing, its characterized in that: the casing includes epitheca, inferior valve and apron, the apron is fixed on the epitheca, the epitheca is cavity annular structure, the epitheca is including being used for the free support of fixed speaker, the support set up in the inside wall of epitheca, the support is the metal material, the support with epitheca integrated into one piece sets up.

2. A speaker module as claimed in claim 1, wherein: the upper shell and the bracket are formed in one of stamping, die casting or powder injection molding.

3. A speaker module as claimed in claim 1, wherein: the upper shell is provided with a second supporting platform, the second supporting platform is arranged along the circumferential direction of the support, and the cover plate is fixedly connected with the second supporting platform.

4. A speaker module as claimed in claim 3, wherein: a sunken part is arranged on one side, close to the cover plate, of the upper shell, the bottom of the sunken part is flush with the support, and the upper shell and the cover plate form a sound outlet.

5. A loudspeaker module according to any one of claims 1 to 4, wherein: the upper shell is provided with a third supporting platform connected with the lower shell, the third supporting platform is arranged along the circumferential direction of the upper shell, and the third supporting platform is arranged in a step shape.

6. A speaker module according to claim 5, wherein: the inferior valve circumference is provided with the fourth brace table of being connected with the cooperation of third brace table, the fourth brace table is step-like setting, the step direction of fourth brace table is opposite with the step direction of third brace table.

7. The speaker module as claimed in claim 6, wherein: the third supporting table comprises a first flat plate extending in the horizontal direction and a first vertically-arranged baffle, the fourth supporting table comprises a second flat plate extending in the horizontal direction and a second vertically-arranged baffle, the first flat plate and the second flat plate are overlapped, and the first baffle and the second baffle are enclosed to form a glue storage groove.

8. A speaker module as claimed in claim 1, wherein: the support is the loop configuration, establish the through-hole in the support, the support includes first supporting station and spacing muscle, first supporting station sets up along through-hole circumference, spacing muscle is provided with a plurality ofly along first supporting station circumference, one side setting of passageway is kept away from to spacing muscle orientation.

9. A speaker module as claimed in claim 8, wherein: the loudspeaker monomer is sealed to be placed on the first supporting platform, and the spacing muscle is along the free periphery equipartition of loudspeaker.

10. A speaker module as claimed in claim 1, wherein: the epitheca, inferior valve and apron enclose the city and hold the chamber, the speaker monomer is sealed to be set up in holding the chamber and will hold the chamber and divide into antetheca and back chamber.