CN219999597U - Miniature loudspeaker - Google Patents
Miniature loudspeaker Download PDFInfo
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- CN219999597U CN219999597U CN202321323291.9U CN202321323291U CN219999597U CN 219999597 U CN219999597 U CN 219999597U CN 202321323291 U CN202321323291 U CN 202321323291U CN 219999597 U CN219999597 U CN 219999597U
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- flanging
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Abstract
The utility model discloses a miniature loudspeaker, which comprises a yoke, a central magnetic steel, a central washer and a second side magnetic structure, wherein a rectangular window is arranged in the center of the yoke, and a group of opposite sides of the window are respectively connected with a first flanging; the central magnetic steel is arranged on the yoke iron and is provided with a through hole corresponding to the arrangement of the window; the central washer is arranged on the top surface of the central magnetic steel, and is provided with rectangular through holes corresponding to the through holes, and a group of opposite sides of the through holes are respectively connected with a second flanging; the second side magnetic structure is arranged on the central washer and surrounds the hole, a first gap is formed between the second side magnetic structure and the first flanging, a second gap is formed between the second side magnetic structure and the second flanging, and the first gap is communicated with the second gap to form a second magnetic gap. The coaxial micro-speaker has novel structure, reduces the component parts of the magnetic circuit system in the micro-speaker, is beneficial to simplifying the assembly process, improves the production efficiency of the micro-speaker, and reduces the manufacturing cost of the micro-speaker.
Description
Technical Field
The utility model relates to the technical field of electroacoustic converters, in particular to a miniature loudspeaker.
Background
The micro-speaker is widely applied to portable electronic devices such as mobile phones, notebook computers and hearing aids, and along with the rapid development of the portable electronic devices, the requirements of people on micro electroacoustic devices applied to the portable electronic devices are also higher and higher.
The current part miniature loudspeaker promotes the audio through adopting the mode of high bass frequency division, and the miniature loudspeaker of this kind of structure has first magnetic circuit subassembly and second magnetic circuit subassembly, and wherein, first magnetic circuit subassembly is located at the top of first magnetic circuit subassembly, and first magnetic circuit subassembly includes yoke, center magnet steel, first limit magnet steel, center washer and first limit washer, and second magnetic circuit subassembly includes second center magnet steel, second limit magnet steel, second center washer and second Bian Huasi, and from this, it is apparent that in this miniature loudspeaker, magnetic circuit's component part is numerous, and this can certainly lead to miniature loudspeaker assembly process loaded down with trivial details, influences production efficiency.
Disclosure of Invention
The utility model mainly aims to provide a miniature loudspeaker with a novel structure, and aims to solve the problems of numerous parts and complicated assembly process of the traditional coaxial miniature loudspeaker.
In order to solve the technical problems, the utility model adopts the following technical scheme: a micro-speaker, comprising:
the yoke is provided with a rectangular window in the center, and a group of opposite edges of the window are respectively connected with a first flanging;
the central magnetic steel is arranged on the yoke iron and is provided with a through hole corresponding to the windowing;
the central washer is arranged on the top surface of the central magnetic steel and is provided with a rectangular through hole corresponding to the through hole, and a group of opposite sides of the through hole are respectively connected with a second flanging;
the second side magnetic structure is arranged on the central washer and surrounds the through hole, a first gap is formed between the second side magnetic structure and the first flanging, a second gap is formed between the second side magnetic structure and the second flanging, and the first gap is communicated with the second gap to form a second magnetic gap.
Further, the first flange is connected with the side edge of the window along the X-axis direction, and the second flange is connected with the side edge of the via hole along the Y-axis direction.
Further, the first flanging and the yoke are of an integrated structure formed by integrated processing.
Further, the second flanging and the central washer are of an integrated structure which is integrally formed.
Further, the first flange is not in contact with the second flange.
Further, still include first vibration subassembly, basin frame and first side magnetic structure, first side magnetic structure includes first side magnet steel and first side washer, first side magnet steel is connected first side washer with the yoke, first side washer is connected the basin frame, first vibration subassembly includes first vibrating diaphragm subassembly and connects first voice coil loudspeaker voice coil on the first vibrating diaphragm subassembly, first side magnet steel with form between the center magnet steel and supply first magnetic gap of first voice coil loudspeaker voice coil activity, the central authorities of first vibrating diaphragm subassembly have the window, the outward flange of first vibrating diaphragm subassembly is connected the basin frame, the inward flange of first vibrating diaphragm subassembly is connected second side magnetic structure.
Further, still include the second vibration subassembly, the second vibration subassembly includes second vibrating diaphragm subassembly and connects the second voice coil loudspeaker voice coil on the second vibrating diaphragm subassembly, the second voice coil loudspeaker voice coil corresponds to the setting of second magnetic gap, the second vibrating diaphragm subassembly expose in the window, the outward flange of second vibrating diaphragm subassembly is connected the second limit magnetic structure.
Further, the second side magnetic structure comprises a second side magnetic steel and a second Bian Huasi, and the second side magnetic steel is connected with the central washer and the second Bian Huasi.
Further, the number of the second side magnetic steels is a plurality, the second Bian Huasi is in a ring frame shape, and the second Bian Huasi is respectively connected with each second side magnetic steel.
Further, the outer side of the first flanging and the outer side of the second flanging are respectively provided with the second side magnetic steel correspondingly.
The utility model has the beneficial effects that: the coaxial micro-speaker is novel in structure, a group of central magnetic steel and a group of central washer are replaced by the first flanging and the second flanging, so that component parts of a magnetic circuit system in the micro-speaker are reduced, the assembly process of the micro-speaker is simplified, the production efficiency of the micro-speaker is improved, and the manufacturing cost of the micro-speaker is reduced; meanwhile, because a group of central magnetic steel and a central washer are omitted, the production consumable of the micro-speaker is reduced, the manufacturing cost of the micro-speaker is further reduced, in addition, the weight of the micro-speaker is reduced after the group of central magnetic steel and the central washer are omitted, and the portable electronic equipment is suitable for the development trend of light weight of the portable electronic equipment.
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 an overall structure of a micro-speaker according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a micro-speaker according to a first embodiment of the present utility model at another view angle;
fig. 3 is a schematic structural diagram of an internal structure of a micro-speaker according to a first embodiment of the present utility model.
Reference numerals illustrate:
1. a basin stand;
2. a yoke; 21. a first flanging;
3. a center magnetic steel;
4. a central washer; 41. a second flanging;
5. a first side magnetic structure;
6. a second side magnetic structure; 61. a second side magnetic steel; 62. second Bian Huasi;
7. a first vibration assembly; 71. a first voice coil;
8. a second vibration assembly; 81. and a second 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 the present utility model, unless explicitly specified 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
Referring to fig. 1 to 3, a first embodiment of the present utility model is as follows: a micro-speaker can be applied to portable electronic equipment such as mobile phones, notebook computers, hearing aids and the like.
The miniature loudspeaker comprises a basin frame 1, a yoke 2, a central magnetic steel 3, a central washer 4, a first side magnetic structure 5, a second side magnetic structure 6, a first vibration component 7 and a second vibration component 8, wherein the first side magnetic structure 5 comprises a first side magnetic steel and a first side washer, the first side magnetic steel is connected with the first side washer and the yoke 2, and the first side washer is connected with the basin frame 1;
the center of the yoke 2 is provided with a rectangular open window, a group of opposite edges of the open window are respectively connected with a first flanging 21, the center magnetic steel 3 is arranged on the yoke 2, and the center magnetic steel 3 is provided with a through hole corresponding to the open window;
the central washer 4 is arranged on the top surface of the central magnetic steel 3, the central washer 4 is provided with rectangular through holes corresponding to the through holes, and a group of opposite sides of the through holes are respectively connected with a second flanging 41;
the first vibration component 7 comprises a first vibration film component and a first voice coil 71 connected to the first vibration film component, a first magnetic gap for the first voice coil 71 to move is formed between the first edge magnetic steel and the central magnetic steel 3, a window is formed in the center of the first vibration film component, the outer edge of the first vibration film component is connected with the basin frame 1, and the inner edge of the first vibration film component is connected with the second edge magnetic structure 6;
the second side magnetic structure 6 is arranged on the central washer 4 and surrounds the through hole, a first gap is formed between the second side magnetic structure 6 and the first flanging 21, a second gap is formed between the second side magnetic structure 6 and the second flanging 41, and the first gap is communicated with the second gap to form a second magnetic gap;
the second vibration component 8 includes a second vibration film component and a second voice coil 81 connected to the second vibration film component, where the second voice coil 81 is disposed corresponding to the second magnetic gap, that is, the second magnetic gap provides a movable space for the second voice coil 81, the second vibration film component is exposed out of the window, and an outer edge of the second vibration film component is connected to the second magnetic structure 6.
The first flanging 21 and the yoke 2 are integrally formed into an integral structure; the second flange 41 and the central washer 4 are integrally formed into an integral structure.
Specifically, the first flange 21 is connected to the side edge of the window in the X-axis direction, and the second flange 41 is connected to the side edge of the via hole in the Y-axis direction. Thus, the first flange 21 may be formed from the windowed scrap and the second flange 41 may be formed from the via-processed scrap.
Preferably, the first flange 21 is not in contact with the second flange 41, so that the assembly of the micro-speaker can be facilitated to a greater extent, and the problem that the component parts of the magnetic circuit system cannot be assembled due to lower dimensional accuracy is avoided.
In detail, the second side magnetic structure 6 includes a second side magnetic steel 61 and a second Bian Huasi, and the second side magnetic steel 61 connects the central washer 4 and the second Bian Huasi. In this embodiment, the number of the second side magnetic steels 61 is plural, the second Bian Huasi 62 is ring-frame-shaped, and the second Bian Huasi 62 is respectively connected to each of the second side magnetic steels 61. The second Bian Huasi 62 having the ring frame shape is not only convenient to manufacture, but also further facilitates the assembly work of the micro-speaker.
In this embodiment, the inner edge of the first diaphragm assembly and the outer edge of the second diaphragm assembly are respectively bonded and fixed with the second Bian Huasi, so that the second Bian Huasi can provide a larger bonding area for the first diaphragm assembly and the second diaphragm assembly, and optionally, the section of the second Bian Huasi is L-shaped.
Preferably, the second side magnetic steel 61 is correspondingly disposed on the outer side of the first flange 21 and the outer side of the second flange 41, so that the performance of the micro-speaker can be improved to a greater extent.
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 (10)
1. A miniature loudspeaker, characterized by: comprising
The yoke is provided with a rectangular window in the center, and a group of opposite edges of the window are respectively connected with a first flanging;
the central magnetic steel is arranged on the yoke iron and is provided with a through hole corresponding to the windowing;
the central washer is arranged on the top surface of the central magnetic steel and is provided with a rectangular through hole corresponding to the through hole, and a group of opposite sides of the through hole are respectively connected with a second flanging;
the second side magnetic structure is arranged on the central washer and surrounds the through hole, a first gap is formed between the second side magnetic structure and the first flanging, a second gap is formed between the second side magnetic structure and the second flanging, and the first gap is communicated with the second gap to form a second magnetic gap.
2. A micro-speaker as claimed in claim 1, wherein: the first flanging is connected with the side edge of the window along the X-axis direction, and the second flanging is connected with the side edge of the via hole along the Y-axis direction.
3. A micro-speaker as claimed in claim 1, wherein: the first flanging and the yoke are of an integrated structure formed by integrally processing.
4. A micro-speaker as claimed in claim 1, wherein: the second flanging and the central washer are of an integrated structure which is integrally processed and formed.
5. A micro-speaker as claimed in claim 1, wherein: the first flange is not in contact with the second flange.
6. A micro-speaker as claimed in claim 1, wherein: still include first vibration subassembly, basin frame and first side magnetic structure, first side magnetic structure includes first side magnet steel and first side washer, first side magnet steel is connected first side washer with the yoke, first side washer is connected the basin frame, first vibration subassembly includes first vibrating diaphragm subassembly and connects first voice coil loudspeaker voice coil on the first vibrating diaphragm subassembly, first side magnet steel with form between the center magnet steel and supply the first magnetic gap of first voice coil loudspeaker voice coil activity, the central authorities of first vibrating diaphragm subassembly have the window, the outward flange connection of first vibrating diaphragm subassembly the basin frame, the inward flange connection of first vibrating diaphragm subassembly the second side magnetic structure.
7. A micro-speaker as claimed in claim 6, wherein: the second vibration assembly comprises a second vibrating diaphragm assembly and a second voice coil connected to the second vibrating diaphragm assembly, the second voice coil is arranged corresponding to the second magnetic gap, the second vibrating diaphragm assembly is exposed out of the window, and the outer edge of the second vibrating diaphragm assembly is connected with the second side magnetic structure.
8. A micro-speaker as claimed in claim 7, wherein: the second side magnetic structure comprises second side magnetic steel and second Bian Huasi, and the second side magnetic steel is connected with the central washer and the second Bian Huasi.
9. A micro-speaker as claimed in claim 8, wherein: the number of the second side magnetic steels is multiple, the second Bian Huasi is in a ring frame shape, and the second Bian Huasi is respectively connected with each second side magnetic steel.
10. A micro-speaker as claimed in claim 9, wherein: the outer side of the first flanging and the outer side of the second flanging are respectively provided with the second side magnetic steel correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321323291.9U CN219999597U (en) | 2023-05-26 | 2023-05-26 | Miniature loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321323291.9U CN219999597U (en) | 2023-05-26 | 2023-05-26 | Miniature loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219999597U true CN219999597U (en) | 2023-11-10 |
Family
ID=88620366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321323291.9U Active CN219999597U (en) | 2023-05-26 | 2023-05-26 | Miniature loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219999597U (en) |
-
2023
- 2023-05-26 CN CN202321323291.9U patent/CN219999597U/en active Active
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