CN213586154U - Miniature speaker module - Google Patents
Miniature speaker module Download PDFInfo
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- CN213586154U CN213586154U CN202022379715.6U CN202022379715U CN213586154U CN 213586154 U CN213586154 U CN 213586154U CN 202022379715 U CN202022379715 U CN 202022379715U CN 213586154 U CN213586154 U CN 213586154U
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- bowl
- sealant
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- speaker module
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Abstract
The utility model discloses a miniature speaker module, including apron and speaker monomer, the speaker monomer includes magnetic circuit assembly, magnetic circuit assembly includes the magnetism bowl and locates limit magnet steel on the magnetism bowl, be equipped with the confession on the apron the exerted through-hole of magnetism bowl, the apron with the fit-up gap department of magnetism bowl is equipped with sealed glue, the edge of magnetism bowl is equipped with the confession the exerted breach of limit magnet steel, the apron through-hole department has and extends to the intraoral extension piece of breach, sealed partly covers extend the piece and keep away from one side of limit magnet steel. One part of the sealant covers one side of the extension block, which is far away from the side magnetic steel, the part of the sealant is integrated with the sealant in the assembly gap, the tension of the sealant per se can prevent the sealant from smoothly flowing into the assembly gap, and more importantly, the extension block can cover most of the assembly gap, so that a large amount of the sealant is prevented from flowing into the assembly gap.
Description
Technical Field
The utility model relates to an electroacoustic transducer technical field especially relates to a miniature speaker module.
Background
The miniature sound production device is widely applied to portable electronic equipment such as mobile phones, notebook computers, hearing aids and the like. With the rapid development of these portable electronic devices and the increasing functional requirements of people, the miniature sound generating devices applied thereto have also been rapidly developed.
Present speaker module includes speaker monomer and apron, and the speaker monomer includes magnetic circuit assembly, and magnetic circuit assembly includes the magnetism bowl and locates the limit magnet steel on the magnetism bowl, and the periphery of magnetism bowl and the outer wall parallel and level of limit magnet steel when the magnetism bowl needs expose in the apron, thereby can set up the through-hole on the apron and expose the magnetism bowl to the downthehole wall is to the peripheral assembly clearance that reserves of magnetism bowl, and the magnetism bowl is glued in order to seal the back chamber in assembly clearance department after the apron assembly is accomplished with the apron assembly.
However, the above structure has the following drawbacks: the assembly gap department does not protect, glue probably leaks to the speaker module in when beating the operation of gluing to pollute the speaker monomer and lead to leaking gas, cause speaker module performance bad, that is to say, there is the problem that the production yield is low in current miniature speaker module.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a micro speaker module with high production yield.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a miniature speaker module, includes apron and speaker monomer, and the speaker monomer includes magnetic circuit assembly, magnetic circuit assembly includes the magnetism bowl and locates limit magnet steel on the magnetism bowl, be equipped with the confession on the apron the exposed through-hole of magnetism bowl, the apron with the assembly gap department of magnetism bowl is equipped with sealed glue, the edge of magnetism bowl is equipped with the confession the exposed breach of limit magnet steel, the apron through-hole department has and extends to extension piece in the breach, sealed partly cover extend the piece and keep away from one side of limit magnet steel.
Further, a part of the sealant fills a gap between the extension block and the magnetic bowl.
Furthermore, the extension block is abutted against the side magnetic steel.
Furthermore, the magnetic bowl is rectangular, and at least one group of opposite sides of the magnetic bowl are respectively provided with the notch.
Furthermore, each edge of the magnetic bowl is provided with the notch.
Furthermore, a chamfer is arranged at the notch of the magnetic bowl.
Furthermore, the loudspeaker also comprises a shell connected with the cover plate, and the cover plate and the shell are connected to form a cavity for accommodating the loudspeaker monomer.
Furthermore, a glue groove communicated with the assembly gap is formed in the cover plate, and a part of the sealant is located in the glue groove.
The beneficial effects of the utility model reside in that: one part of the sealant covers one side of the extension block, which is far away from the side magnetic steel, the part of the sealant is integrated with the sealant in the assembly gap, the tension of the sealant per se can prevent the sealant from smoothly flowing into the assembly gap, more importantly, the extension block can cover most of the assembly gap, so that a large amount of the sealant is prevented from flowing into the assembly gap, the phenomenon of air leakage or loudspeaker monomer pollution is reduced, and the yield of the production of the miniature loudspeaker module is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of an overall structure of a micro speaker module according to a first embodiment of the present invention;
fig. 2 is a cross-sectional view of a micro speaker module according to a first embodiment of the present invention;
FIG. 3 is an enlarged view of detail A in FIG. 2;
fig. 4 is a schematic structural diagram of a cover plate in a micro speaker module according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a speaker unit in a micro speaker module according to a first embodiment of the present invention.
Description of reference numerals:
1. a cover plate;
2. a housing;
3. a speaker unit;
4. a magnetic circuit assembly;
5. a magnetic bowl;
6. edge magnetic steel;
7. a through hole;
8. sealing glue;
9. a notch;
10. an extension block;
11. a glue groove;
12. and (6) chamfering.
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 5, a micro speaker module includes a cover plate 1 and a speaker unit 3, the speaker unit 3 includes a magnetic circuit component 4, the magnetic circuit component 4 includes a magnetic bowl 5 and a side magnetic steel 6 disposed on the magnetic bowl 5, the cover plate 1 is provided with a through hole 7 for exposing the magnetic bowl 5, an assembly gap between the cover plate 1 and the magnetic bowl 5 is provided with a sealant 8, an edge of the magnetic bowl 5 is provided with a gap 9 for exposing the side magnetic steel 6, the through hole 7 of the cover plate 1 is provided with an extension block 10 extending into the gap 9, and a part of the sealant 8 covers one side of the extension block 10 far from the side magnetic steel 6.
From the above description, the beneficial effects of the present invention are: one part of the sealant covers one side of the extension block, which is far away from the side magnetic steel, the part of the sealant is integrated with the sealant in the assembly gap, the tension of the sealant per se can prevent the sealant from smoothly flowing into the assembly gap, more importantly, the extension block can cover most of the assembly gap, so that a large amount of the sealant is prevented from flowing into the assembly gap, the phenomenon of air leakage or loudspeaker monomer pollution is reduced, and the yield of the production of the miniature loudspeaker module is effectively improved.
Further, a part of the sealant 8 fills a gap between the extension block 10 and the magnetic bowl 5.
As can be seen from the above description, the sealing performance of the micro-speaker module can be improved, and the sealing adhesive 8 covering the extension block 10 can be prevented from being broken accidentally, so that the sealing adhesive 8 enters the interior of the micro-speaker module through the assembly gap.
Further, the extension block 10 collides with the side magnetic steel 6.
It can be known from the above description that extension piece 10 can play the effect of supporting speaker monomer 3, can provide the holding power for speaker monomer 3 to strengthen micro loudspeaker module's structural stability, improve among the reliability experiment phenomenon such as speaker monomer 3 falls or speaker monomer 3 magnetic circuit component 4 drops.
Further, the magnetic bowl 5 is rectangular, and the notches 9 are respectively arranged on at least one pair of paired edges of the magnetic bowl 5.
Furthermore, the notches 9 are respectively arranged on each edge of the magnetic bowl 5.
From the above description, the specific structure of the micro speaker module is various, which is beneficial to enrich the diversity of the micro speaker module.
Further, a chamfer 12 is arranged at the notch 9 of the magnetic bowl 5.
As can be seen from the above description, the chamfer 12 is provided to allow the sealant 8 to smoothly flow into the gap between the extension block 10 and the magnetic bowl 5.
Further, the loudspeaker further comprises a shell 2 connected with the cover plate 1, and a cavity for accommodating the loudspeaker single body 3 is formed after the cover plate 1 is connected with the shell 2.
Further, a glue groove 11 communicated with the assembly gap is formed in the cover plate 1, and a part of the sealant 8 is located in the glue groove 11.
As can be seen from the above description, the glue groove 11 can function to accommodate the sealant 8, which is beneficial to improving the sealing performance of the micro speaker module.
Example one
Referring to fig. 1 to 5, a first embodiment of the present invention is: the miniature loudspeaker module is suitable for electronic equipment such as mobile phones, tablet computers and the like.
Referring to fig. 1 and 2, the micro speaker module includes a cover plate 1, a housing 2, and a speaker unit 3, and the cover plate 1 is connected to the housing 2 to form a cavity for accommodating the speaker unit 3.
Referring to fig. 1 to 5, a speaker unit 3 includes a magnetic circuit assembly 4, where the magnetic circuit assembly 4 includes a magnetic bowl 5 and a side magnetic steel 6 disposed on the magnetic bowl 5, a through hole 7 for exposing the magnetic bowl 5 is disposed on the cover plate 1, a sealant 8 is disposed at an assembly gap between the cover plate 1 and the magnetic bowl 5, a notch 9 for exposing the side magnetic steel 6 is disposed at an edge of the magnetic bowl 5, an extension block 10 extending into the notch 9 is disposed at the through hole 7 of the cover plate 1, a part of the sealant 8 covers at least a partial area of a side of the extension block 10 away from the side magnetic steel 6, and a part of the sealant 8 fills a gap between the extension block 10 and the magnetic bowl 5, and preferably, the extension block 10 abuts against the side magnetic steel 6; the extension block 10 and the cover plate 1 are of an integrated structure. This miniature speaker module, novel structure, reliable and stable, production yields height.
As shown in fig. 3, a glue groove 11 communicating with the assembly gap is formed in the cover plate 1, and a part of the sealant 8 is located in the glue groove 11.
As shown in fig. 5, the magnetic bowl 5 is rectangular, and the notches 9 are respectively arranged on at least one pair of paired edges of the magnetic bowl 5. Since the speaker unit 3 in this embodiment is of a five-magnetic circuit, it has four side magnetic steels 6, and therefore, in this embodiment, the notches 9 are respectively disposed on each side of the magnetic bowl 5.
Referring to fig. 3 and 5, in order to facilitate the sealant 8 to flow into the gap between the extension block 10 and the magnetic bowl 5, a chamfer 12 is disposed at the notch 9 of the magnetic bowl 5.
To sum up, the utility model provides a miniature speaker module, novel structure, reliable and stable, the yields of production is high.
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 (8)
1. The utility model provides a miniature speaker module, includes apron and speaker monomer, and the speaker monomer includes magnetic circuit assembly, magnetic circuit assembly includes the magnetism bowl and locates limit magnet steel on the magnetism bowl, be equipped with the confession on the apron the exposed through-hole of magnetism bowl, the apron with the fit-up gap department of magnetism bowl is equipped with sealed glue, its characterized in that: the edge of the magnetic bowl is provided with a notch for exposing the edge magnetic steel, the through hole of the cover plate is provided with an extension block extending into the notch, and one part of the sealant covers one side of the extension block, which is far away from the edge magnetic steel.
2. The micro-speaker module of claim 1, wherein: and a part of the sealant fills a gap between the extension block and the magnetic bowl.
3. The micro-speaker module of claim 1, wherein: the extension block is abutted against the side magnetic steel.
4. The micro-speaker module of claim 1, wherein: the magnetic bowl is rectangular, and the notches are respectively arranged on at least one group of opposite sides of the magnetic bowl.
5. The micro-speaker module of claim 4, wherein: the notches are respectively arranged on each edge of the magnetic bowl.
6. The micro-speaker module of claim 1, wherein: and a chamfer is arranged at the notch of the magnetic bowl.
7. The micro-speaker module of claim 1, wherein: the loudspeaker is characterized by further comprising a shell connected with the cover plate, and the cover plate and the shell are connected to form a cavity for accommodating the loudspeaker monomer.
8. The micro-speaker module of claim 1, wherein: the cover plate is provided with a glue groove communicated with the assembly gap, and one part of the sealant is positioned in the glue groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022379715.6U CN213586154U (en) | 2020-10-22 | 2020-10-22 | Miniature speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022379715.6U CN213586154U (en) | 2020-10-22 | 2020-10-22 | Miniature speaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213586154U true CN213586154U (en) | 2021-06-29 |
Family
ID=76528193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022379715.6U Active CN213586154U (en) | 2020-10-22 | 2020-10-22 | Miniature speaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213586154U (en) |
-
2020
- 2020-10-22 CN CN202022379715.6U patent/CN213586154U/en active Active
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| GR01 | Patent grant |