CN218648838U - Miniature loudspeaker assembly - Google Patents
Miniature loudspeaker assembly Download PDFInfo
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- CN218648838U CN218648838U CN202120777191.8U CN202120777191U CN218648838U CN 218648838 U CN218648838 U CN 218648838U CN 202120777191 U CN202120777191 U CN 202120777191U CN 218648838 U CN218648838 U CN 218648838U
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- external cavity
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Abstract
The utility model discloses a micro loudspeaker assembly, which comprises a loudspeaker assembly and an external cavity, wherein the loudspeaker assembly comprises an inner cavity assembly and a loudspeaker monomer arranged in the inner cavity assembly, an installation part is arranged on the outer surface of the external cavity, the inner cavity assembly is fixedly arranged on the installation part, and the inner cavity assembly is communicated with the external cavity; the utility model provides a miniature speaker subassembly divides traditional speaker subassembly to establish to speaker subassembly and external cavity, and external cavity can increase miniature speaker subassembly's back cavity volume, and when the model of the different styles of adaptation, only need reset external cavity according to new style, and need not change speaker subassembly, and the commonality is strong, and low in production cost, and structural stability is strong.
Description
Technical Field
The utility model relates to a speaker technical field especially relates to a miniature speaker subassembly.
Background
The micro-speaker is an important acoustic component in the portable electronic device, and with the development of the technology, the thickness of the mobile phone becomes thinner and thinner, the compression of the internal space tends to be limited, and higher requirements are also put forward on the volume of the micro-speaker.
Nowadays, portable electronic devices are various in types and styles, and the situation that the speaker needs to be redesigned according to different models often occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: a micro speaker assembly having a high versatility is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a miniature speaker subassembly, includes speaker subassembly and external cavity, the speaker subassembly includes the inner chamber subassembly and locates the inside speaker monomer of inner chamber subassembly, be equipped with the installation department on the surface of external cavity, the inner chamber subassembly set firmly in on the installation department, the inner chamber subassembly with external cavity intercommunication.
Furthermore, a partial region at one end of the external cavity is recessed inwards to form the mounting part.
Further, the inner chamber subassembly includes continuous epitheca and inferior valve, the lateral surface of inferior valve is equipped with the location boss, the middle part region of location boss is equipped with the through-hole, be equipped with on the installation department be used for with location boss complex locating hole, the inner chamber subassembly pass through the locating hole with external cavity intercommunication.
Further, the lower shell is connected with the external cavity body in an adhesive mode.
Furthermore, the lower shell and/or the mounting part are/is provided with a glue containing groove.
Furthermore, the inner side surface of the upper shell is provided with a fixing part, and the loudspeaker unit is arranged on the fixing part.
Further, the wall thickness of the external cavity is smaller than that of the inner cavity component.
Furthermore, the upper shell is provided with a first mounting boss, and the lower shell is provided with a second mounting boss matched with the first mounting boss.
Furthermore, a sound outlet is arranged on one side wall of the lower shell.
Furthermore, the loudspeaker assembly further comprises an FPC, and the FPC is electrically connected with the loudspeaker monomer.
The beneficial effects of the utility model reside in that: the traditional loudspeaker assembly is divided into the loudspeaker assembly and the external cavity, so that when the loudspeaker assemblies are adapted to models of different styles, the external cavity is reset only according to the new style, the loudspeaker assembly does not need to be changed, and the universality of the miniature loudspeaker assembly is improved.
Drawings
Fig. 1 is an exploded view of a micro-speaker assembly 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 schematic structural diagram of a micro-speaker assembly according to a first embodiment of the present invention;
fig. 4 is a cross-sectional view of a micro-speaker assembly according to a first embodiment of the present invention;
fig. 5 is a schematic structural view of an external cavity in a micro speaker assembly according to an embodiment of the present invention.
Description of reference numerals:
1. an external cavity; 2. an inner chamber component; 21. an upper shell;
22. a lower case; 3. a speaker unit; 4. an installation part;
5. positioning the boss; 6. a through hole; 7. positioning holes;
8. a glue containing groove; 9. a fixed part; 10. a sound outlet;
11、FPC。
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 assembly includes a speaker assembly and an external cavity 1, the speaker assembly includes an inner cavity assembly 2 and a speaker unit 3 disposed inside the inner cavity assembly 2, an installation portion 4 is disposed on an outer surface of the external cavity 1, the inner cavity assembly 2 is fixedly disposed on the installation portion 4, and the inner cavity assembly 2 is communicated with the external cavity 1.
From the above description, the beneficial effects of the present invention are: the traditional loudspeaker assembly is divided into a loudspeaker assembly and an external cavity 1, and an inner cavity assembly 2 of the loudspeaker assembly is communicated with the external cavity 1, so that the volume of a rear cavity of the miniature loudspeaker assembly is greatly increased; and external cavity 1 sets up alone and half wraps up the speaker subassembly, and this micro loudspeaker subassembly passes through external cavity 1 and external machine cooperation installation for when the model of the different styles of adaptation, only need to reset external cavity 1 according to new style, and need not change the speaker subassembly, do benefit to the commonality that improves the micro loudspeaker subassembly.
Furthermore, a partial region at one end of the external cavity 1 is recessed inwards to form the mounting part 4.
As can be seen from the above description, a partial region at one end of the external cavity 1 is recessed inwards to form the mounting portion 4, which is beneficial to reducing the overall volume of the micro-speaker assembly.
Further, inner chamber subassembly 2 is including continuous epitheca 21 and inferior valve 22, the lateral surface of inferior valve 22 is equipped with location boss 5, the middle part region of location boss 5 is equipped with through-hole 6, be equipped with on the installation department 4 be used for with location boss 5 complex locating hole 7, inner chamber subassembly 2 passes through locating hole 7 with external cavity 1 intercommunication.
As can be known from the above description, the inner cavity component 2 is communicated with the external cavity 1 through the positioning hole 7, which is beneficial to increasing the volume of the rear cavity of the micro-speaker component.
Further, the lower shell 22 is connected with the external cavity 1 by gluing.
As can be seen from the above description, the lower shell 22 is adhesively connected to the external cavity 1, which is convenient for production and beneficial to reducing the production cost of the micro-speaker assembly.
Furthermore, the lower shell 22 and/or the mounting part 4 are/is provided with a glue containing groove 8.
It can be known from the above description that the glue containing groove 8 is formed in the lower shell 22 and/or the mounting portion 4, so that the bonding area between the lower shell 22 and the mounting portion 4 can be effectively increased, the structural stability of the micro-speaker assembly can be improved, and the lower shell 22 and the external cavity 1 can be prevented from being separated from each other due to external force.
Furthermore, a fixing portion 9 is disposed on an inner side surface of the upper case 21, and the speaker unit 3 is disposed on the fixing portion 9.
As is apparent from the above description, the fixing portion 9 for fixing the speaker unit 3 is provided on the inner side surface of the upper case 21, which can further improve the structural stability of the micro-speaker assembly.
Further, the wall thickness of the external cavity 1 is smaller than that of the inner cavity component 2.
As can be seen from the above description, the wall thickness of the external cavity 1 is smaller than that of the inner cavity component 2, so that the internal space of the external cavity 1 can be maximized, and the volume of the rear cavity can be further increased.
Furthermore, a first mounting boss is arranged on the upper shell 21, and a second mounting boss matched with the first mounting boss is arranged on the lower shell 22.
As can be seen from the above description, the first mounting bosses are provided on the upper case 21, the second mounting bosses are provided on the lower case 22, and the bonding area between the upper case 21 and the lower case 22 can be effectively increased by the first mounting bosses and the second mounting bosses.
Further, a sound outlet 10 is provided on a side wall of the lower casing 22.
As can be seen from the above description, the present micro-speaker assembly sounds through the side.
Further, the speaker assembly further comprises an FPC11, and the FPC11 is electrically connected to the speaker unit 3.
Example one
Referring to fig. 1 to 5, a first embodiment of the present invention is: a micro-speaker assembly is an important acoustic component in portable electronic equipment such as mobile phones, flat panels, smart watches and the like.
The miniature speaker subassembly includes speaker subassembly and external cavity 1, external cavity 1 is through blowing technology integrated into one piece, the speaker subassembly includes FPC11, inner chamber subassembly 2 and locates the inside speaker monomer 3 of inner chamber subassembly 2, FPC11 with 3 electric connection of speaker monomer, be equipped with installation department 4 on external cavity 1's the surface, installation department 4 is close to external cavity 1's one end sets up, inner chamber subassembly 2 set firmly in on the installation department 4, inner chamber subassembly 2 with external cavity 1 intercommunication, it is specific, the part region of external cavity 1 one end inwards caves in and forms installation department 4.
As shown in fig. 1, 2, 4 and 5, the inner chamber component 2 includes an upper casing 21 and a lower casing 22 connected to each other, the upper casing 21 is adhesively connected to the lower casing 22, specifically, a first mounting boss is provided on the upper casing 21, a second mounting boss for cooperating with the first mounting boss is provided on the lower casing 22, and the first mounting boss and the second mounting boss are engaged and adhesively connected; further, the lateral surface of inferior valve 22 is equipped with location boss 5, location boss 5 is cylindricly, the middle part region of location boss 5 is equipped with through-hole 6, be equipped with on installation department 4 be used for with location boss 5 complex locating hole 7, inner chamber subassembly 2 passes through locating hole 7 with external cavity 1 intercommunication, preferably, the wall thickness of external cavity 1 is less than the wall thickness of inner chamber subassembly 2.
Referring to fig. 2, the lower shell 22 is adhesively connected to the external cavity 1, and optionally, a glue containing groove 8 is formed on the lower shell 22 and/or the mounting portion 4, in this embodiment, the glue containing groove 8 is formed on the lower shell 22.
As shown in fig. 1, a fixing portion 9 is disposed on an inner side surface of the upper case 21, and the speaker unit 3 is disposed on the fixing portion 9, specifically, the fixing portion 9 is a fixing step.
Referring to fig. 1, a sound outlet 10 is formed on a side wall of the lower casing 22.
Example two
Referring to fig. 1 to 5, a second embodiment of the present invention is: a micro-speaker assembly is an important acoustic component in portable electronic equipment such as mobile phones, flat panels, smart watches and the like.
The miniature loudspeaker assembly comprises a loudspeaker assembly and an external cavity 1, wherein the external cavity 1 comprises a shell assembly, the shell assembly comprises an upper external cavity shell and a lower external cavity shell which are connected, the upper external cavity shell and the lower external cavity shell are fixed through ultrasonic welding, the loudspeaker assembly comprises an FPC11, an inner cavity assembly 2 and a loudspeaker monomer 3 arranged in the inner cavity assembly 2, the FPC11 is electrically connected with the loudspeaker monomer 3, an installation part 4 is arranged on the outer surface of the external cavity 1, the installation part 4 is arranged in the middle region of the external cavity 1, the inner cavity assembly 2 is fixedly arranged on the installation part 4, the inner cavity assembly 2 is communicated with the external cavity 1, and particularly, the middle region of the external cavity 1 is inwards sunken to form the installation part 4.
Further, the inner cavity component 2 comprises an upper shell 21 and a lower shell 22 which are connected, the upper shell 21 and the lower shell 22 are connected in an adhesive manner, specifically, a first mounting boss is arranged on the upper shell 21, a second mounting boss matched with the first mounting boss is arranged on the lower shell 22, and the first mounting boss and the second mounting boss are clamped and connected in an adhesive manner; further, the lateral surface of inferior valve 22 is equipped with location boss 5, location boss 5 is cylindricly, the middle part region of location boss 5 is equipped with through-hole 6, be equipped with on installation department 4 be used for with location boss 5 complex locating hole 7, inner chamber subassembly 2 passes through locating hole 7 with external cavity 1 intercommunication, preferably, the wall thickness of external cavity 1 is less than the wall thickness of inner chamber subassembly 2.
Specifically, inferior valve 22 with 1 adhesive bonding of external cavity, it is optional, inferior valve 22 and/or be equipped with on the installation department 4 and hold gluey groove 8, in this embodiment, inferior valve 22 with be equipped with respectively on the installation department 4 hold gluey groove 8, inferior valve 22 is last hold gluey groove 8 with on the installation department 4 hold gluey groove 8 and set up by staggering of holding gluey groove 8.
Preferably, a fixing portion 9 is disposed on an inner side surface of the upper case 21, the speaker unit 3 is disposed on the fixing portion 9, and specifically, the fixing portion 9 is a fixing step.
Specifically, a sound outlet 10 is provided on one side wall of the lower shell 22.
To sum up, the utility model provides a miniature speaker subassembly divides traditional speaker subassembly to establish to speaker subassembly and external cavity, and external cavity can increase miniature speaker subassembly's back cavity volume, and when the model of the different styles of adaptation, only need reset external cavity according to new style, and need not change speaker subassembly, and the commonality is strong, and low in production cost, and structural stability is strong.
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. A micro-speaker assembly, comprising: including speaker subassembly and external cavity, the speaker subassembly includes the inner chamber subassembly and locates the inside speaker monomer of inner chamber subassembly, be equipped with the installation department on the surface of external cavity, the inner chamber subassembly set firmly in on the installation department, the inner chamber subassembly with external cavity intercommunication.
2. The micro-speaker assembly as recited in claim 1, wherein: and a partial region at one end of the external cavity is inwards recessed to form the mounting part.
3. The micro-speaker assembly as recited in claim 1, wherein: the inner chamber subassembly is including continuous epitheca and inferior valve, the lateral surface of inferior valve is equipped with the location boss, the middle part region of location boss is equipped with the through-hole, be equipped with on the installation department be used for with location boss complex locating hole, the inner chamber subassembly pass through the locating hole with external cavity intercommunication.
4. A micro-speaker assembly as claimed in claim 3, wherein: the lower shell is connected with the external cavity body in an adhesive mode.
5. The micro-speaker assembly as recited in claim 4, wherein: the inferior valve and/or be equipped with on the installation department and hold gluey groove.
6. A micro-speaker assembly as claimed in claim 3, wherein: the loudspeaker is characterized in that a fixing part is arranged on the inner side face of the upper shell, and the loudspeaker single body is arranged on the fixing part.
7. A micro-speaker assembly as claimed in claim 3, wherein: the wall thickness of the external cavity is smaller than that of the inner cavity component.
8. A micro-speaker assembly as claimed in claim 3, wherein: the upper shell is provided with a first mounting boss, and the lower shell is provided with a second mounting boss matched with the first mounting boss.
9. A micro-speaker assembly as claimed in claim 3, wherein: and a sound outlet is formed in one side wall of the lower shell.
10. The micro-speaker assembly as recited in claim 1, wherein: the loudspeaker assembly further comprises an FPC, and the FPC is electrically connected with the loudspeaker monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120777191.8U CN218648838U (en) | 2021-04-15 | 2021-04-15 | Miniature loudspeaker assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120777191.8U CN218648838U (en) | 2021-04-15 | 2021-04-15 | Miniature loudspeaker assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218648838U true CN218648838U (en) | 2023-03-17 |
Family
ID=85489398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120777191.8U Active CN218648838U (en) | 2021-04-15 | 2021-04-15 | Miniature loudspeaker assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218648838U (en) |
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2021
- 2021-04-15 CN CN202120777191.8U patent/CN218648838U/en active Active
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