CN219019027U

CN219019027U - Sounding monomer and loudspeaker module

Info

Publication number: CN219019027U
Application number: CN202223295073.7U
Authority: CN
Inventors: 林富华; 周喻; 朱俊杰
Original assignee: Shenzhen Weishi Acoustics Co Ltd
Current assignee: Shenzhen Weishi Acoustics Co Ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-12
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a sounding monomer and a loudspeaker module, wherein the loudspeaker module comprises a sounding monomer, the sounding monomer comprises a basin frame and a yoke arranged on the basin frame, and the outer side wall of the basin frame is provided with a gas leakage port communicated with the inner side of the basin frame; the yoke is provided with a turned edge which is arranged at the air leakage port, and the outer side wall of the turned edge is provided with a plurality of air holes communicated with the inner space of the basin frame; the flange is arranged on the yoke, the flange is arranged at the air leakage opening of the basin frame, the communication between the inside and the outside of the sounding monomer is realized through the air holes formed in the flange, when the sounding monomer is arranged in the loudspeaker module, the isolation between the inside of the sounding monomer and the rear cavity can be realized without additionally installing a sound-permeable net-shaped structural member, the sound absorption particles are prevented from entering the inside of the sounding monomer, the production process is simplified, the improvement of the production yield is facilitated, and the occupation of the space of the rear cavity is reduced.

Description

Sounding monomer and loudspeaker module

Technical Field

The utility model relates to the field of acoustic devices, in particular to a sounding monomer and a loudspeaker module.

Background

With the development of consumer electronic products, the micro-speaker is widely applied to portable electronic equipment such as mobile phones, notebook computers, tablet computers, hearing aids and the like, the interior of the existing micro-speaker comprises a containing cavity and a rear cavity which are communicated, sound-producing monomers are arranged in the containing cavity, sound-absorbing particles are required to be filled in the rear cavity for ensuring sound quality, the containing cavity and the rear cavity are separated through a sound-transmitting net-shaped structural member, the sound-absorbing particles in the rear cavity are prevented from entering the sound-producing monomers, the existing sound-transmitting net-shaped structural member is divided into two types, one type is hot-melt screen cloth, but the texture of the hot-melt screen cloth is soft, and the assembly difficulty is high; another is to use metal mesh enclosure to prevent sound absorption particles from entering the sounding unit, for example, the utility model patent with the authority number of CN214591838U discloses a loudspeaker module, which has the characteristics of high structural strength and convenient assembly compared with the scheme of hot melt mesh cloth; but above-mentioned two kinds of sound-transmitting netted structure all need install sound-transmitting netted structure to the casing after the sound production monomer is installed to holding the chamber again, and assembly process is comparatively loaded down with trivial details, has the inseparable risk of assembly, leads to easily that the sound-absorbing particle enters into inside the sound production monomer to sound-transmitting netted structure still can occupy the back chamber volume.

Disclosure of Invention

The utility model mainly aims to provide a sounding monomer and a loudspeaker module, which solve the technical problems of unsmooth assembly and occupation of the volume of a rear cavity caused by installation of a sound-transmitting net-shaped structural member in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a sound producing monomer comprising:

the outer side wall of the basin frame is provided with an air leakage port communicated with the inner side of the basin frame;

the yoke is arranged on the basin frame, the yoke is provided with a turned edge, the turned edge is arranged on the air leakage port, and a plurality of air holes communicated with the inner space of the basin frame are formed in the outer side wall of the turned edge.

In one embodiment, the flange is provided with a reinforcing rib.

In one embodiment, the cross section of the reinforcing rib is in the shape of an isosceles trapezoid.

In one embodiment, the cuff is adhesively attached to the vent.

In an embodiment, the air leakage port is further provided with a positioning groove for positioning the flanging.

In an embodiment, the opening area of the ventilation holes communicated with the outer side wall of the flanging is smaller than the opening area of the ventilation holes communicated with the inner side wall of the flanging.

The utility model also provides a loudspeaker module, which comprises the sounding monomer.

The utility model has the beneficial effects that: the flange is arranged on the yoke, the flange is arranged at the air leakage opening of the basin frame, the communication between the inside and the outside of the sounding monomer is realized through the air holes formed in the flange, when the sounding monomer is arranged in the loudspeaker module, the isolation between the inside of the sounding monomer and the rear cavity can be realized without additionally installing a sound-permeable net-shaped structural member, the sound absorption particles are prevented from entering the inside of the sounding monomer, the production process is simplified, the improvement of the production yield is facilitated, and the occupation of the space of the rear cavity is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a sounding monomer according to a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of another view of a sound-producing monomer according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a sound-producing unit according to a first embodiment of the present utility model;

fig. 4 is a detailed view at a in fig. 3.

Description of the reference numerals:

1. a basin stand; 11. an air vent; 2. a magnetic circuit assembly; 21. a yoke; 211. flanging; 212. ventilation holes; 213. reinforcing ribs; 22. a center magnetic steel; 23. edge magnetic steel; 3. a vibration assembly; 31. a vibrating diaphragm; 32. and a voice coil.

Detailed Description

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In addition, if the meaning of "and/or" is presented throughout this document to include three parallel schemes, taking "and/or" as an example, including a scheme, or a scheme that is satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1 to 4, a sounding monomer includes:

the basin stand 1, the outer side wall of the basin stand 1 is provided with an air leakage port 11 communicated with the inner side of the basin stand 1;

yoke 21, install in basin frame 1, yoke 21 is equipped with turn-ups 211, turn-ups 211 install in bleeder 11, the lateral wall of turn-ups 211 be equipped with a plurality of bleeder vents 212 of the interior space intercommunication of basin frame 1.

From the above description, the beneficial effects of the utility model are as follows: the flange 211 is arranged on the yoke 21, the flange 211 is arranged at the air leakage port 11 of the basin frame 1, the communication between the inside and the outside of the sounding monomer is realized through the air holes 212 formed in the flange 211, when the sounding monomer is arranged in the loudspeaker module, the isolation between the inside of the sounding monomer and the rear cavity can be realized without additional installation of a sound-permeable net-shaped structural member, the sound absorption particles are prevented from entering the inside of the sounding monomer, the production process is simplified, the improvement of the production yield is facilitated, and the occupation of the space of the rear cavity is reduced.

Further, the flange 211 is provided with a reinforcing rib 213.

As is apparent from the above description, the reinforcing ribs 213 can enhance the structural strength of the flange 211, and reduce the risk of deformation of the flange 211 during the assembly process.

Further, the cross section of the reinforcing rib 213 is in the shape of an isosceles trapezoid.

As can be seen from the above description, the shape of the reinforcing ribs 213 can be set according to practical application requirements.

Further, the flange 211 is adhesively connected to the air leakage opening 11.

As can be seen from the above description, the connection mode of the flange 211 may be selected according to practical application requirements.

Further, the air leakage port 11 is further provided with a positioning groove for positioning the flange 211.

As can be seen from the above description, the positioning groove facilitates positioning the flange 211, and ensures the accuracy of the assembling position of the flange 211.

Further, the opening area of the ventilation holes 212 communicated with the outer side wall of the flange 211 is smaller than the opening area of the ventilation holes 212 communicated with the inner side wall of the flange 211.

As can be seen from the above description, the opening area of the vent holes 212 communicated with the outer side wall of the flange 211 is smaller than the opening area of the vent holes 212 communicated with the inner side wall of the flange 211, so that the gas inside the sounding monomer can flow out conveniently, and the sound absorbing particles outside can be prevented from entering the sounding monomer.

Example 1

Referring to fig. 1 to 4, a first embodiment of the present utility model is as follows: a loudspeaker module comprises a shell (not shown) and a sounding monomer arranged in the shell, wherein the sounding monomer divides the interior of the shell into a front cavity and a rear cavity, and sound-absorbing particles are filled in the rear cavity in a potting mode; the sounding unit comprises a basin frame 1, and a vibration assembly 3 and a magnetic circuit assembly 2 which are respectively arranged on the basin frame 1, wherein the magnetic circuit assembly 2 comprises a yoke 21, a central magnetic steel 22 and a side magnetic steel 23 which are arranged on the yoke 21, the side magnetic steel 23 is positioned on the outer side of the central magnetic steel 22, a magnetic circuit gap is formed between the central magnetic steel 22 and the side magnetic steel 23, and the yoke 21 is arranged on one side of the basin frame 1; the vibration assembly 3 comprises a vibrating diaphragm 31 and a voice coil 32 connected with the vibrating diaphragm 31, the vibrating diaphragm 31 is arranged on the other side of the basin frame 1, and the voice coil 32 is positioned in the magnetic circuit gap; the outer side wall of the basin frame 1 is provided with an air leakage port 11 communicated with the inner side of the basin frame; the yoke 21 is provided with a turned-over edge 211, the turned-over edge 211 is arranged at the air leakage port 11, and the outer side wall of the turned-over edge 211 is provided with a plurality of air holes 212 communicated with the inner space of the basin frame 1; the bleeder vent 212 is used for realizing the ventilation inside and outside the sound production monomer, when to the back intracavity embedment is inhaled the sound granule, bleeder vent 212 can the separation inhale the sound granule and enter into inside the sound production monomer, consequently, need not to additionally adorn the netted structure of penetrating sound and can be with realizing the isolation to sound production monomer inside and back chamber, avoid inhaling the sound granule and enter into inside the sound production monomer, simplified production process, do benefit to the promotion of production yield to the occupation to back chamber space has been reduced.

In detail, the flange 211 is formed by bending the yoke 21 through a punching process, and the ventilation holes 212 are formed in the flange 211 through punching, etching perforation or laser perforation.

Preferably, the flange 211 is provided with a reinforcing rib 213, and the reinforcing rib 213 can enhance the structural strength of the flange 211 and reduce the risk of deformation of the flange 211 during the assembly process; in this embodiment, the cross section of the reinforcing rib 213 is in the shape of an isosceles trapezoid, and in addition, the cross section of the reinforcing rib 213 may also be in other shapes, such as a rectangle, a triangle, etc., and the shape of the reinforcing rib 213 may be specifically set according to practical application requirements.

Optionally, the connection manner between the flange 211 and the basin stand 1 may be adhesive connection, welding or snap connection, and specifically, the connection manner of the flange 211 may be selected according to practical application requirements; further, the air leakage opening 11 may further be provided with a positioning groove, which is convenient for positioning the flange 211, so as to ensure the accuracy of the assembling position of the flange 211.

Preferably, the opening area of the vent hole 212 communicated with the outer side wall of the turnup 211 is smaller than the opening area of the vent hole 212 communicated with the inner side wall of the turnup 211, the gas inside the sounding monomer is convenient to flow out, and meanwhile, the outside sound absorbing particles are prevented from entering the sounding monomer.

In summary, the sounding monomer and the speaker module provided by the utility model have the characteristics of simple structure, convenience in assembly and high product yield.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A sound producing monomer comprising:

2. The sound producing unit according to claim 1, wherein the flange is provided with a reinforcing rib.

3. The sound generating unit according to claim 2, wherein the cross section of the reinforcing rib is in the shape of an isosceles trapezoid.

4. The sound producing monomer of claim 1, wherein the cuff is adhesively attached to the vent.

5. The sound producing unit as claimed in claim 1, wherein the air vent is further provided with a positioning groove for positioning the flange.

6. The sound generating unit according to claim 1, wherein an opening area of the vent hole communicating with the outer sidewall of the flange is smaller than an opening area of the vent hole communicating with the inner sidewall of the flange.

7. A speaker module comprising the sound producing unit according to any one of claims 1 to 6.