CN220606061U - Miniature loudspeaker - Google Patents
Miniature loudspeaker Download PDFInfo
- Publication number
- CN220606061U CN220606061U CN202321480845.6U CN202321480845U CN220606061U CN 220606061 U CN220606061 U CN 220606061U CN 202321480845 U CN202321480845 U CN 202321480845U CN 220606061 U CN220606061 U CN 220606061U
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- CN
- China
- Prior art keywords
- bian
- huasi
- magnetic steel
- positioning protrusion
- positioning
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 239000003292 glue Substances 0.000 claims description 7
- 229910000679 solder Inorganic materials 0.000 claims description 7
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a miniature loudspeaker, which comprises a basin frame and a magnetic circuit assembly, wherein Bian Huasi is arranged on the basin frame; the magnetic circuit assembly comprises side magnetic steel, and the side magnetic steel is provided with a positioning bulge connected with Bian Huasi; the miniature loudspeaker provided by the utility model has the characteristics of novel structure and good reliability, and the positioning bulge is arranged on the side magnetic steel to be positioned and installed with the Bian Huasi on the basin frame, so that the reliability of the connection of the magnetic circuit assembly and the basin frame is effectively improved, the risk of falling off of the magnetic circuit assembly caused by the separation of the side magnetic steel and the Bian Huasi is reduced, and the improvement of the user experience is facilitated.
Description
Technical Field
The utility model relates to the technical field of acoustic devices, in particular to a micro loudspeaker.
Background
The micro-speaker is widely applied to portable electronic devices such as mobile phones, notebook computers, hearing aids and the like. With the rapid development of these portable electronic devices, the quality requirements of the micro electroacoustic devices applied to them are also higher and higher, and the requirements of reliability are also higher and higher. The existing miniature loudspeaker generally comprises a basin frame, a vibration assembly and a magnetic circuit assembly, wherein the magnetic circuit assembly comprises a yoke and a central magnetic steel and a side magnetic steel which are arranged on the yoke, bian Huasi connected with the side magnetic steel is arranged on the basin frame, but the volume of the side magnetic steel is smaller, the combination area of the side magnetic steel and Bian Huasi is smaller, the structural reliability is poor, in the practical use process, the side magnetic steel is easy to separate from Bian Huasi or deviate from the position, noise is caused, and even the magnetic circuit assembly is wholly separated, so that the user experience is influenced.
Disclosure of Invention
The utility model mainly aims to provide a micro-speaker with good structural reliability.
In order to solve the technical problems, the utility model adopts the following technical scheme: a micro-speaker includes
A basin stand, wherein Bian Huasi is arranged on the basin stand;
the magnetic circuit assembly comprises side magnetic steel, and the side magnetic steel is provided with a positioning protrusion connected with Bian Huasi.
In an embodiment, the number of the positioning protrusions is a plurality.
In an embodiment, the Bian Hua driver is provided with a positioning hole matched with the positioning protrusion.
In one embodiment, the Bian Huasi is welded to the edge magnet and the locating boss.
In an embodiment, the positioning protrusion is provided with a first accommodating groove, and the first accommodating groove is used for accommodating solder.
In an embodiment, the Bian Huasi is adhesively connected to the edge magnet and the positioning protrusion.
In an embodiment, the positioning protrusion is provided with a second accommodating groove, and the second accommodating groove is used for accommodating glue.
In an embodiment, the cross-sectional shape of the positioning protrusion is polygonal, circular or elliptical.
In an embodiment, the positioning protrusion and the edge magnetic steel are integrally formed.
The utility model has the beneficial effects that: the miniature loudspeaker provided by the utility model has the characteristics of novel structure and good reliability, and the positioning bulge is arranged on the side magnetic steel to be positioned and installed with the Bian Huasi on the basin frame, so that the reliability of the connection of the magnetic circuit assembly and the basin frame is effectively improved, the risk of falling off of the magnetic circuit assembly caused by the separation of the side magnetic steel and the Bian Huasi is reduced, and the improvement of the user experience is facilitated.
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 an exploded view of a micro-speaker according to a first embodiment of the present utility model;
fig. 2 is a schematic cross-sectional structure of a micro-speaker according to a first embodiment of the present utility model.
Description of the reference numerals:
1. a basin stand; 11. bian Huasi; 111. positioning holes; 2. a vibration assembly; 21. a vibrating diaphragm; 22. a voice coil; 3. a magnetic circuit assembly; 31. a yoke; 311. positioning the bulge; 32. a center magnetic steel; 33. and (5) edge magnetic steel.
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 and 2, a micro-speaker includes
A basin stand 1, wherein Bian Huasi 11 is arranged on the basin stand 1;
the magnetic circuit assembly 3, the magnetic circuit assembly 3 comprises a side magnetic steel 33, and the side magnetic steel 33 is provided with a positioning protrusion 311 connected with the Bian Huasi 11.
From the above description, the beneficial effects of the utility model are as follows: through setting up the location arch 311 and carrying out the location installation with Bian Huasi 11 on the basin frame 1 on limit magnet steel 33, improved the reliability that magnetic circuit assembly 3 and basin frame 1 are connected effectively, reduced limit magnet steel 33 and Bian Huasi 11 separation and lead to the risk that magnetic circuit assembly 3 drops, do benefit to the promotion that user experience felt.
Further, the number of the positioning protrusions 311 is plural.
As is apparent from the above description, the positioning projections 311 are provided to more firmly position and connect the side magnetic steel 33 and the Bian Huasi 11.
Further, the Bian Huasi is provided with a positioning hole 111 adapted to the positioning protrusion 311.
As can be seen from the above description, the positioning hole 111 is adapted to the positioning protrusion 311, so that the positioning of the edge magnetic steels 33 and Bian Huasi 11 can be more accurately achieved.
Further, the Bian Huasi is welded to the edge magnetic steel 33 and the positioning protrusion 311.
As is apparent from the above description, the Bian Huasi and the side magnetic steel 33 and the positioning boss 311 are connected by welding, so that a firm mechanical connection can be achieved.
Further, the positioning protrusion 311 is provided with a first accommodating groove, and the first accommodating groove is used for accommodating solder.
As is clear from the above description, the first receiving groove can receive the solder flowing out, and prevent the solder from flowing onto the magnetic circuit assembly 3 or the edge washer 11.
Further, the Bian Huasi is adhesively connected to the edge magnetic steel 33 and the positioning protrusion 311.
As is apparent from the above description, the Bian Huasi and the side magnetic steel 33 and the positioning boss 311 are connected by gluing, so that a firm mechanical connection can be achieved.
Further, the positioning protrusion 311 is provided with a second receiving groove, and the second receiving groove is used for receiving glue.
As can be seen from the above description, the second receiving groove can receive the flowing glue, so as to prevent the glue from flowing onto the magnetic circuit assembly 3 or the edge washer 11.
Further, the cross-sectional shape of the positioning protrusion 311 is polygonal, circular or elliptical.
As can be seen from the above description, the shape of the positioning protrusion 311 can be set according to practical application requirements.
Further, the positioning protrusion 311 and the edge magnetic steel 33 are integrally formed.
As can be seen from the above description, the positioning protrusion 311 and the edge magnetic steel 33 are integrally formed, so that the positioning protrusion 311 is more firm, and the positioning protrusion 311 is prevented from being separated from the edge magnetic steel 33.
Example 1
Referring to fig. 1 and 2, a first embodiment of the utility model is as follows: the miniature loudspeaker comprises a basin frame 1, and a vibration component 2 and a magnetic circuit component 3 which are respectively arranged on the basin frame 1, wherein the vibration component 2 comprises a vibrating diaphragm 21 and a voice coil 22 which are connected, bian Huasi is arranged on the basin frame 1, and the vibrating diaphragm 21 is connected with the basin frame 1; the magnetic circuit assembly 3 comprises a yoke 31, a central magnetic steel 32 and a side magnetic steel 33, wherein the central magnetic steel 32 is arranged in the center of the yoke 31, the side magnetic steel 33 is arranged on the yoke 31 and positioned on the outer side of the central magnetic steel 32, a magnetic circuit gap is formed between the side magnetic steel 33 and the central magnetic steel 32, the voice coil 22 is positioned in the magnetic circuit gap, and the side magnetic steel 33 is connected with the Bian Huasi 11 on the basin frame 1; the side magnet steel 33 be equipped with Bian Huasi 11 connected location protruding 311, it can be understood that through setting up location protruding 311 on side magnet steel 33 and carrying out the location installation with Bian Huasi on the basin frame 1, improved the reliability that magnetic circuit assembly 3 is connected with basin frame 1 effectively, reduced the risk that side magnet steel 33 and Bian Huasi 11 separate and lead to magnetic circuit assembly 3 to drop, do benefit to the promotion that user experience felt.
Preferably, the number of the positioning protrusions 311 is plural, so that the side magnetic steel 33 and the Bian Huasi 11 can be more firmly positioned and connected; specifically, the Bian Huasi 11 is provided with a positioning hole 111 adapted to the positioning protrusion 311, and the positioning hole 111 is adapted to the positioning protrusion 311, so that positioning of the edge magnetic steel 33 and Bian Huasi can be more accurately achieved.
Alternatively, the Bian Huasi is welded with the edge magnetic steel 33 and the positioning protrusion 311, and the Bian Huasi is connected with the edge magnetic steel 33 and the positioning protrusion 311 by welding, so as to realize a firm mechanical connection; further, the positioning protrusion 311 is provided with a first accommodating groove, and the first accommodating groove is used for accommodating solder, so that solder can be prevented from flowing onto the magnetic circuit assembly 3 or the edge washer 11; in addition, the Bian Huasi may be further connected to the edge magnetic steel 33 and the positioning protrusion 311 by gluing, and the Bian Huasi may be connected to the edge magnetic steel 33 and the positioning protrusion 311 by gluing, so as to achieve a firm mechanical connection; further, the positioning protrusion 311 is provided with a second receiving groove, and the second receiving groove is used for receiving glue, so that the glue is prevented from flowing onto the magnetic circuit assembly 3 or the edge washer 11. Further alternatively, the cross-sectional shape of the positioning protrusion 311 may be polygonal, circular or elliptical, and the shape of the positioning protrusion 311 may be set according to practical application requirements.
In this embodiment, the positioning protrusion 311 is disposed through the side magnetic steel 33, one end of the positioning protrusion 311 is adapted to the positioning hole 111 on the Bian Huasi, the other end of the positioning protrusion 311 is connected to the yoke 31, specifically, the positioning protrusion 311 and the yoke 31 are integrally formed as a single body, and the side magnetic steel 33 is also provided with a positioning hole identical to the positioning hole 111 on the Bian Huasi; in this way, not only the reliability of the connection between the side magnetic steel 33 and the Bian Huasi 11 but also the reliability of the connection between the side magnetic steel 33 and the yoke 31 can be ensured.
In addition, in other embodiments, the positioning protrusion 311 may also be an integral structure integrally formed with the edge magnetic steel 33, and may specifically be set according to practical application requirements.
In summary, the micro-speaker provided by the utility model has the characteristics of novel structure and good reliability, and the positioning bulge is arranged on the side magnetic steel to be positioned and mounted with the Bian Huasi on the basin frame, so that the reliability of the connection between the magnetic circuit assembly and the basin frame is effectively improved, the risk of falling off the magnetic circuit assembly caused by the separation of the side magnetic steel and the Bian Huasi is reduced, and the improvement of user experience is facilitated.
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 (8)
1. A micro-speaker, comprising
A basin stand, wherein Bian Huasi is arranged on the basin stand;
the magnetic circuit assembly comprises side magnetic steel, and the side magnetic steel is provided with a positioning protrusion connected with the Bian Huasi;
the Bian Hua driver is provided with a positioning hole matched with the positioning protrusion.
2. The micro-speaker of claim 1, wherein the number of positioning protrusions is a plurality.
3. The micro-speaker of claim 1, wherein the Bian Huasi is welded to the side magnetic steel and the positioning boss.
4. A micro-speaker according to claim 3, wherein the positioning protrusion is provided with a first receiving groove, and the first receiving groove is configured to receive solder.
5. The micro-speaker of claim 1, wherein the Bian Huasi is adhesively attached to the side magnetic steel and the positioning boss.
6. The micro-speaker of claim 5, wherein the positioning protrusion is provided with a second receiving groove, and the second receiving groove is configured to receive glue.
7. The micro-speaker of claim 1, wherein the positioning protrusion has a polygonal, circular or elliptical cross-sectional shape.
8. The micro-speaker of claim 1, wherein the positioning protrusion and the side magnet are integrally formed as a one-piece structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321480845.6U CN220606061U (en) | 2023-06-09 | 2023-06-09 | Miniature loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321480845.6U CN220606061U (en) | 2023-06-09 | 2023-06-09 | Miniature loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220606061U true CN220606061U (en) | 2024-03-15 |
Family
ID=90164900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321480845.6U Active CN220606061U (en) | 2023-06-09 | 2023-06-09 | Miniature loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220606061U (en) |
-
2023
- 2023-06-09 CN CN202321480845.6U patent/CN220606061U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |