CN218416580U - Miniature speaker module and electronic equipment - Google Patents

Abstract

The utility model discloses a miniature speaker module and electronic equipment, miniature speaker module include the module shell, be equipped with disappointing hole on the module shell, the wall in disappointing hole is including consecutive outside plastic layer, steel sheet layer and inboard plastic layer, the downthehole connecting block that is equipped with loses heart, the connecting block respectively with outside plastic layer, steel sheet layer and inboard plastic layer link to each other. In the micro loudspeaker module, the connecting block effectively improves the bonding strength of the steel sheet layer and the outer plastic layer/inner plastic layer at the air leakage hole, reduces the risk of separating the steel sheet layer from the outer plastic layer/inner plastic layer at the air leakage hole, and is favorable for improving the structural stability of the micro loudspeaker module; moreover, compare in traditional micro loudspeaker module, the hole phenomenon is blockked up to Bass powder more difficult to take place in the disappointing hole on the module shell in this micro loudspeaker module, does benefit to the disappointing performance of guaranteeing the hole of disappointing to acoustic performance for micro loudspeaker module provides effective guarantee.

Description

Miniature speaker module and electronic equipment

Technical Field

The utility model relates to an electroacoustic converter technical field especially relates to miniature speaker module and electronic equipment.

Background

The miniature loudspeaker module comprises a module shell and a loudspeaker monomer arranged in the module shell, wherein the loudspeaker monomer is divided into a front cavity and a rear cavity by the inner cavity of the module shell, and the module shell is provided with a communicating air leakage hole between the rear cavity and the outside.

Along with the ultra-thin of miniature speaker module, in order to increase the back chamber volume, the module shell needs as much as possible use the steel sheet, consequently, the module shell is in the regional three layer construction that can form outside plastic layer-steel sheet layer-inboard plastic layer and constitute of disappointing hole, however, among this three layer construction, outside plastic/inboard plastic and steel sheet easily take place the separation phenomenon, current miniature speaker module has the poor problem of structural stability promptly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that: a micro speaker module with stable structure and an electronic device having the same are provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: miniature speaker module, including the module shell, be equipped with the hole of disappointing on the module shell, the wall in hole of disappointing includes consecutive outside plastic layer, steel sheet layer and inboard plastic layer, the downthehole connecting block that is equipped with loses heart, the connecting block respectively with outside plastic layer, steel sheet layer and inboard plastic layer link to each other.

Further, the number of the connecting blocks is multiple, and a gap is formed between every two adjacent connecting blocks.

Furthermore, a connecting part is arranged in the gap and is respectively connected with the outer plastic layer and the two adjacent connecting blocks.

Furthermore, one side of the connecting part, which is close to the inner plastic layer, is provided with a first inclined plane.

Furthermore, the distance between one end of the first inclined plane close to the wall surface of the air leakage hole and the inner side plastic layer is smaller than the distance between one end of the first inclined plane far away from the wall surface of the air leakage hole and the inner side plastic layer.

Further, the number of the connecting blocks is two, and the two connecting blocks are arranged oppositely.

Furthermore, the junction of the inner side surface of the connecting block and the inner side surface of the connecting part is in smooth transition.

Further, at least one side of the connecting block is provided with a second inclined surface.

Furthermore, the outer plastic layer, the inner plastic layer and the connecting block are of an integrated structure formed by injection molding.

In order to solve the technical problem, the utility model discloses still adopt following technical scheme: the electronic equipment comprises the micro loudspeaker module.

The beneficial effects of the utility model reside in that: in the micro loudspeaker module, the connecting blocks which are respectively connected with the outer side plastic layer, the steel sheet layer and the inner side plastic layer are arranged in the air leakage holes of the module shell, so that the bonding strength of the steel sheet layer at the air leakage holes and the outer side plastic layer/the inner side plastic layer is effectively improved, the risk of separating the steel sheet layer at the air leakage holes from the outer side plastic layer/the inner side plastic layer is reduced, and the structural stability of the micro loudspeaker module is favorably improved; moreover, compare in traditional micro loudspeaker module, the hole phenomenon is blockked up to Bass powder more difficult to take place in the disappointing hole on the module shell in this micro loudspeaker module, does benefit to the disappointing performance of guaranteeing the hole of disappointing to acoustic performance for micro loudspeaker module provides effective guarantee.

Drawings

Fig. 1 is a schematic structural diagram of a partial structure of a module housing in a micro speaker module according to a first embodiment of the present invention;

FIG. 2 is an enlarged view of detail A in FIG. 1;

FIG. 3 is a cross-sectional view of the structure shown in FIG. 1;

fig. 4 is an enlarged view of detail B in fig. 3.

Description of the reference symbols:

1. a module housing; 11. an outer plastic layer; 12. a steel sheet layer; 13. an inner plastic layer; 14. connecting blocks; 141. a second inclined plane; 15. a gap; 16. a connecting portion; 161. a first inclined plane;

2. and air leakage holes.

Detailed Description

In order to explain the technical content, 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 4, the micro speaker module includes a module housing 1, the module housing 1 is provided with a gas release hole 2, a wall of the gas release hole 2 includes an outer plastic layer 11, a steel sheet layer 12 and an inner plastic layer 13 which are sequentially connected, a connecting block 14 is arranged in the gas release hole 2, and the connecting block 14 is respectively connected with the outer plastic layer 11, the steel sheet layer 12 and the inner plastic layer 13.

From the above description, the beneficial effects of the utility model reside in that: in the micro loudspeaker module, the connecting blocks 14 respectively connected with the outer side plastic layer 11, the steel sheet layer 12 and the inner side plastic layer 13 are arranged in the air leakage hole 2 of the module shell 1, so that the bonding strength of the steel sheet layer 12 at the air leakage hole 2 and the outer side plastic layer 11/the inner side plastic layer 13 is effectively improved, the separation risk of the steel sheet layer 12 at the air leakage hole 2 and the outer side plastic layer 11/the inner side plastic layer 13 is reduced, and the structural stability of the micro loudspeaker module is favorably improved; moreover, compare in traditional micro speaker module, the stifled hole phenomenon of Bass powder is more difficult to take place for disappointing hole 2 on the module shell 1 in this micro speaker module, does benefit to the disappointing performance of guaranteeing to lose heart hole 2 to acoustic performance for micro speaker module provides effective guarantee.

Further, the number of the connecting blocks 14 is plural, and a gap 15 is formed between two adjacent connecting blocks 14.

As can be seen from the above description, the presence of the gap 15 allows better exchange of the air flow through the bleed holes 2.

Furthermore, a connecting portion 16 is disposed in the gap 15, and the connecting portion 16 is connected to the outer plastic layer 11 and two adjacent connecting blocks 14 respectively.

As is apparent from the above description, the provision of the connecting portion 16 can further improve the structural strength of the module case 1 at the relief hole 2.

Further, a first inclined surface 161 is disposed on a side of the connecting portion 16 close to the inner plastic layer 13.

Further, the distance between one end of the first inclined plane 161 close to the wall surface of the air release hole 2 and the inner plastic layer 13 is smaller than the distance between one end of the first inclined plane 161 far away from the wall surface of the air release hole 2 and the inner plastic layer 13.

As can be seen from the above description, the arrangement of the first inclined surface 161 can further improve the Bass powder hole blocking phenomenon, which is beneficial to ensuring the performance of the micro-speaker module.

Further, the number of the connecting blocks 14 is two, and the two connecting blocks 14 are arranged oppositely.

As can be seen from the above description, the number of the connecting blocks 14 is proper, which not only can effectively improve the structural strength of the module housing 1, but also can reduce the design difficulty of the mold for molding the module housing 1, and reduce the design cost of the micro-speaker module.

Furthermore, the junction between the inner side surface of the connecting block 14 and the inner side surface of the connecting part 16 is in smooth transition.

As can be seen from the above description, the smooth transition at the boundary between the inner side of the connecting block 14 and the inner side of the connecting portion 16 allows the air release hole 2 to exchange air flow more smoothly.

Further, at least one side of the connecting block 14 is provided with a second inclined surface 141.

As can be seen from the above description, the second inclined plane 141 is provided to further improve the phenomenon of Bass powder blocking, which is beneficial to ensuring the performance of the micro-speaker module. Meanwhile, the air leakage holes 2 can exchange air flow more smoothly.

Further, the outer plastic layer 11, the inner plastic layer 13 and the connecting block 14 are integrally formed by injection molding.

As can be seen from the above description, the module housing 1 is simple to machine and form, and the combination strength of the outer plastic layer 11, the steel sheet layer 12 and the inner plastic layer 13 is high.

The electronic equipment comprises the micro loudspeaker module.

From the above description, the electronic device has good structural stability and stable acoustic performance.

Example one

Referring to fig. 1 to 4, a first embodiment of the present invention is: electronic devices include, but are not limited to, devices with a sound playing function, such as a mobile phone, a smart watch, an earphone, a gamepad, an intercom, a tablet computer, and a notebook computer.

Electronic equipment includes the miniature speaker module, the miniature speaker module includes module shell 1 and locates speaker monomer in the module shell 1, the speaker monomer will the inner chamber of module shell 1 is separated for antechamber and back chamber, be equipped with the intercommunication on the module shell 1 antechamber and external phonate hole and intercommunication the back chamber is with external disappointing hole 2, the wall in disappointing hole 2 is including consecutive outside plastic layer 11, steel sheet layer 12 and inboard plastic layer 13, the wall in disappointing hole 2 seems to be three-layer laminated structure, be equipped with connecting block 14 in disappointing hole 2, connecting block 14 respectively with outside plastic layer 11, steel sheet layer 12 and inboard plastic layer 13 link to each other.

Specifically, the outer plastic layer 11, the inner plastic layer 13 and the connecting block 14 are an integral structure formed by injection molding. Namely, the area of the module housing 1 having the steel sheet layer 12 is formed by insert injection molding.

Optionally, the number of the connecting blocks 14 is multiple, and a gap 15 is formed between two adjacent connecting blocks 14. Preferably, a connecting portion 16 is disposed in the gap 15, the connecting portion 16 is respectively connected to the outer plastic layer 11 and two adjacent connecting blocks 14, and further preferably, a boundary between an inner side surface of each connecting block 14 and an inner side surface of each connecting portion 16 is in smooth transition. In this embodiment, the outside plastic layer 11, the inside plastic layer 13 the connecting block 14 reaches the connecting portion 16 four is injection moulding's integral type structure as an organic whole, so, made things convenient for greatly the manufacturing of module shell 1 does benefit to the assurance the production efficiency of miniature speaker module. In this embodiment, the quantity of connecting block 14 and the quantity of connecting portion 16 is two respectively, two connecting block 14 sets up relatively, two connecting portion 16 sets up relatively, so, can balance effectively module shell 1 is in the atress of disappointing hole 2 department, thereby further guarantee the structural stability of miniature speaker module.

In order to improve the phenomenon that Bass powder in the rear cavity blocks the air release hole 2, optionally, a first inclined surface 161 is arranged on one side of the connecting part 16 close to the inner plastic layer 13. Specifically, first inclined plane 161 is close to the one end of the wall of disappointing hole 2 with the distance of inboard plastic layer 13 is less than first inclined plane 161 is kept away from the one end of the wall of disappointing hole 2 with the distance of inboard plastic layer 13, that is to say, first inclined plane 161 is kept away from the one end of the wall of disappointing hole 2 is towards keeping away from the direction slope of inlayer plastic layer.

In order to improve the phenomenon that Bass powder in the rear cavity blocks the air release hole 2, at least one side of the connecting block 14 is optionally provided with a second inclined surface 141. In this embodiment, the second inclined planes 141 are respectively disposed on two opposite sides of the connecting block 14, and a width of one end of the connecting block 14 away from the outer plastic layer 11 is smaller than a width of one end of the connecting block 14 away from the inner plastic layer 13.

To sum up, the utility model provides a miniature speaker module and electronic equipment, the disappointing hole of module shell has the connecting block that connects outside plastic layer, steel sheet layer and inboard plastic layer respectively, has improved the bonding strength of disappointing hole department steel sheet layer and outside plastic layer/inboard plastic layer effectively, has reduced the steel sheet layer of disappointing hole department and outside plastic layer/inboard plastic layer separation risk, does benefit to the structural stability who improves miniature speaker module; and, compare in traditional miniature speaker module, the gas release hole on the module shell more is difficult to take place Bass powder plug hole phenomenon in this miniature speaker module, does benefit to the disappointing performance of guaranteeing the gas release hole to acoustic performance for miniature speaker module provides effective guarantee.

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 (10)

1. Miniature speaker module, its characterized in that: including the module shell, be equipped with the hole of disappointing on the module shell, the wall in hole of disappointing includes consecutive outside plastic layer, steel sheet layer and inboard plastic layer, the downthehole connecting block that loses heart, the connecting block respectively with outside plastic layer, steel sheet layer and inboard plastic layer link to each other.

2. The micro-speaker module of claim 1, wherein: the number of the connecting blocks is multiple, and a gap is formed between every two adjacent connecting blocks.

3. The micro-speaker module of claim 2, wherein: and a connecting part is arranged in the gap and is respectively connected with the outer plastic layer and the two adjacent connecting blocks.

4. The micro-speaker module of claim 3, wherein: one side of the connecting part, which is close to the inner plastic layer, is provided with a first inclined plane.

5. The micro-speaker module of claim 4, wherein: the first inclined plane is close to one end of the wall surface of the air leakage hole and the distance between the inner side plastic layer is smaller than the distance between one end of the first inclined plane, far away from the wall surface of the air leakage hole, and the distance between the inner side plastic layer and the end of the first inclined plane.

6. The micro-speaker module of claim 3, wherein: and the junction of the inner side surface of the connecting block and the inner side surface of the connecting part is in smooth transition.

7. The micro-speaker module of claim 2, wherein: the number of connecting blocks is two, two the connecting block sets up relatively.

8. The micro-speaker module of claim 1, wherein: at least one side of the connecting block is provided with a second inclined plane.

9. The micro-speaker module of claim 1, wherein: the outer plastic layer, the inner plastic layer and the connecting block are of an integrated structure formed by injection molding.

10. An electronic device, characterized by: comprising a micro-speaker module according to any of claims 1-9.

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