CN210629842U - Vibrating diaphragm mounting structure for micro loudspeaker - Google Patents
Vibrating diaphragm mounting structure for micro loudspeaker Download PDFInfo
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- CN210629842U CN210629842U CN201921867883.0U CN201921867883U CN210629842U CN 210629842 U CN210629842 U CN 210629842U CN 201921867883 U CN201921867883 U CN 201921867883U CN 210629842 U CN210629842 U CN 210629842U
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- basin frame
- extension
- sound membrane
- terminal surface
- vibrating diaphragm
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- 239000012528 membrane Substances 0.000 claims abstract description 36
- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
The utility model relates to a speaker technical field especially relates to a vibrating diaphragm mounting structure for miniature speaker, the vibrating diaphragm is installed on the basin frame, the vibrating diaphragm includes dome, sound membrane and voice coil loudspeaker voice coil, sound membrane and dome stack the setting in proper order on the basin frame, a sound membrane terminal surface and a basin frame terminal surface bonding connection, the edge of a sound membrane terminal surface is equipped with the extension towards basin frame terminal surface, the outer wall of basin frame is equipped with the mounting groove that is used for fixed extension, extension and mounting groove adhesive connection. The utility model provides a vibrating diaphragm mounting structure for miniature speaker has ensured bonding structure's intensity under the prerequisite that does not influence sound membrane overall dimension and structural strength, has improved the stability of product, compares in the traditional veneer structure that adopts the large tracts of land to bond on openly, and the audio frequency performance of speaker is better.
Description
Technical Field
The utility model relates to a speaker technical field especially relates to a vibrating diaphragm mounting structure for miniature speaker.
Background
The speaker that present mobile terminal used, receiver are mostly moving coil loudspeaker, and moving coil loudspeaker includes: magnetic circuit system, vibration system and the basin frame of acceping fixed magnetic circuit system and vibration system. In the prior art, the sound film in the speaker is usually glued and connected with the plastic frame to fix the edge of the sound film. However, since the plastic bonding part between the frame and the edge of the sound film is plastic, the width of the bonding part between the frame and the edge of the sound film is usually increased to increase the bonding area between the frame and the edge of the sound film, but the width of the corrugated portion on the sound film is correspondingly reduced to lower the audio performance of the product.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a vibrating diaphragm mounting structure for a micro-speaker capable of improving the audio performance of a product is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a vibrating diaphragm mounting structure for micro loudspeaker, the vibrating diaphragm is installed on the basin frame, the vibrating diaphragm includes dome, sound membrane and voice coil loudspeaker voice coil, sound membrane and dome superpose the setting in proper order on the basin frame, a sound membrane terminal surface and basin frame terminal surface bonding connection, the edge of a sound membrane terminal surface is equipped with the extension towards basin frame terminal surface, the outer wall of basin frame is equipped with the mounting groove for fixed extension, extension and mounting groove adhesive connection.
In an alternative embodiment, the basin frame is provided with a cutting avoiding part on the inner side of the bonding part of one end face of the sound film.
In an optional embodiment, the cutting surface of the cutting avoiding part is an inclined surface, and an acute angle formed between the cutting surface and one end surface of the basin frame ranges from 30 degrees to 75 degrees.
In an alternative embodiment, the ratio of the adhesive area between the extension part and the mounting groove to the adhesive area between one end face of the sound film and one end face of the frame is greater than 1.
In an alternative embodiment, the extension part is arranged in an annular shape on one end face of the sound film, and the mounting groove is an annular groove.
In an alternative embodiment, the number of the extending portions is 4, and the 4 extending portions are respectively arranged on the corresponding side edges of the sound film.
The beneficial effects of the utility model reside in that: the utility model provides a vibrating diaphragm mounting structure for miniature speaker, a sound membrane terminal surface and basin frame terminal surface bonding connection, the edge of a sound membrane terminal surface is equipped with the extension towards basin frame terminal surface, mounting groove adhesive bonding on extension and the basin frame, adopt the veneer structure of this kind of positive adhesive bonding structure and side adhesive bonding structure combination, under the prerequisite that does not influence sound membrane overall dimension and structural strength, adhesive bonding structure's intensity has been ensured, the stability of product has been improved, compare in the traditional veneer structure that adopts the large tracts of land to bond on openly, the audio frequency performance of speaker is better.
Drawings
Fig. 1 is a schematic structural diagram of a diaphragm mounting structure for a micro-speaker according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a diaphragm mounting structure for a micro-speaker according to an embodiment of the present invention;
fig. 3 is a partial schematic view of a diaphragm mounting structure for a micro-speaker according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sound membrane according to an embodiment of the present invention;
description of reference numerals:
1-a basin stand; 11-mounting grooves; 12-cutting off the avoiding part;
2-a dome;
3-a sound membrane; 31-an extension;
4-voice coil.
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.
Please refer to fig. 1-4, the utility model discloses a vibrating diaphragm mounting structure for micro-speaker, the vibrating diaphragm is installed on the basin frame, the vibrating diaphragm includes dome, sound membrane and voice coil loudspeaker voice coil, sound membrane and dome stack the setting in proper order on the basin frame, a sound membrane terminal surface and basin frame terminal surface bonding connection, the edge of a sound membrane terminal surface is equipped with the extension towards basin frame terminal surface, the outer wall of basin frame is equipped with the mounting groove that is used for fixed extension, extension and mounting groove adhesive connection.
From the above description, the beneficial effects of the present invention are: the utility model provides a vibrating diaphragm mounting structure for miniature speaker, a sound membrane terminal surface and basin frame terminal surface bonding connection, the edge of a sound membrane terminal surface is equipped with the extension towards basin frame terminal surface, mounting groove adhesive bonding on extension and the basin frame, adopt the veneer structure of this kind of positive adhesive bonding structure and side adhesive bonding structure combination, under the prerequisite that does not influence sound membrane overall dimension and structural strength, adhesive bonding structure's intensity has been ensured, the stability of product has been improved, compare in the traditional veneer structure that adopts the large tracts of land to bond on openly, the audio frequency performance of speaker is better.
Furthermore, the basin frame is provided with a cutting avoiding part at the inner side of the bonding part of one end face of the sound film.
Further, the cutting surface of the cutting avoiding part is an inclined surface, and the range of an acute angle formed between the cutting surface and one end surface of the basin frame is 30-75 degrees.
From the above description, it can be known that the strength of the basin stand is enhanced by adjusting the angle of the cut-off avoiding part, and the problem of insufficient strength of the basin stand caused by reduction of the front gluing area is avoided.
Furthermore, the ratio of the adhesive area between the extension part and the mounting groove to the adhesive area between one end face of the sound film and one end face of the basin frame is greater than 1.
As can be seen from the above description, such a design is advantageous for improving the firmness of the combination of the frame and the side surface of the sound film.
Furthermore, the extension part is arranged on one end face of the sound film in an annular shape, and the mounting groove is an annular groove.
From the above description, it can be known that the extension part and the mounting groove are both designed into a ring shape, and the stability of the loudspeaker structure is ensured.
Furthermore, the number of the extending parts is 4, and the 4 extending parts are respectively arranged on the side edges corresponding to the sound film.
Referring to fig. 1 to 4, a first embodiment of the present invention is: the utility model provides a vibrating diaphragm mounting structure for micro loudspeaker, the vibrating diaphragm is installed on basin frame 1, the vibrating diaphragm includes dome 2, sound membrane 3 and voice coil loudspeaker voice coil 4, sound membrane 3 and dome 2 stack the setting in proper order on basin frame 1, 3 terminal surfaces of sound membrane and 1 terminal surface bonding connection of basin frame, the edge of 3 terminal surfaces of sound membrane is equipped with extension 31 towards 1 terminal surface of basin frame, the outer wall of basin frame 1 is equipped with mounting groove 11 for fixed extension 31, extension 31 and 11 adhesive bonding in mounting groove.
Referring to fig. 1 to 4, a second embodiment of the present invention is: the utility model provides a vibrating diaphragm mounting structure for micro loudspeaker, the vibrating diaphragm is installed on basin frame 1, the vibrating diaphragm includes dome 2, sound membrane 3 and voice coil loudspeaker voice coil 4, sound membrane 3 and dome 2 stack the setting in proper order on basin frame 1, 3 terminal surfaces of sound membrane and 1 terminal surface bonding connection of basin frame, the edge of 3 terminal surfaces of sound membrane is equipped with extension 31 towards 1 terminal surface of basin frame, the outer wall of basin frame 1 is equipped with mounting groove 11 for fixed extension 31, extension 31 and 11 adhesive bonding in mounting groove.
The inner side of the bonding part of the basin frame 1 and one end face of the sound film 3 is provided with a cutting avoiding part 12. The cutting surface of the cutting avoiding part 12 is an inclined surface, and an acute angle formed between the cutting surface and one end surface of the basin frame 1 is 75 degrees. The ratio of the adhesive area between the extension part 31 and the mounting groove 11 to the adhesive area between one end face of the sound film 3 and one end face of the basin stand 1 is 2. The extension part 31 is annularly arranged on one end face of the sound film 3, and the mounting groove 11 is an annular groove.
To sum up, the utility model provides a vibrating diaphragm mounting structure for miniature speaker, a sound membrane terminal surface and basin frame one end face adhesive connection, the edge of a sound membrane terminal surface is equipped with the extension towards basin frame one terminal surface, mounting groove adhesive connection on extension and the basin frame adopts the veneer structure of this kind of positive adhesive structure and side adhesive structure combination, under the prerequisite that does not influence sound membrane overall dimension and structural strength, adhesive structure's intensity has been ensured, the stability of product has been improved, compare in the traditional veneer structure that adopts the large tracts of land to bond on openly, the audio frequency performance of speaker is better.
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 (6)
1. The utility model provides a vibrating diaphragm mounting structure for micro loudspeaker, the vibrating diaphragm is installed on the basin frame, the vibrating diaphragm includes dome, sound membrane and voice coil loudspeaker voice coil, sound membrane and dome superpose the setting in proper order on the basin frame, its characterized in that, a sound membrane terminal surface and basin frame terminal surface bonding connection, the edge of a sound membrane terminal surface is equipped with the extension towards basin frame terminal surface, the outer wall of basin frame is equipped with the mounting groove that is used for fixed extension, extension and mounting groove adhesive connection.
2. The diaphragm mounting structure for a micro-speaker as claimed in claim 1, wherein the cone frame is provided with a cut-off relief portion on an inner side of a bonding portion with an end surface of the diaphragm.
3. The diaphragm mounting structure for a micro-speaker according to claim 2, wherein the cut-off surface of the cut-off vent is an inclined surface, and an acute angle included between the cut-off surface and one end surface of the frame is in a range of 30 ° to 75 °.
4. The diaphragm mounting structure for a micro-speaker as claimed in claim 1, wherein a ratio of an adhesive area between the extension portion and the mounting groove to an adhesive area between an end surface of the diaphragm and an end surface of the frame is greater than 1.
5. The diaphragm mounting structure of claim 1, wherein the extension is annularly disposed on an end surface of the diaphragm, and the mounting groove is an annular groove.
6. The diaphragm mounting structure for a micro-speaker as claimed in claim 1, wherein the number of the extension portions is 4, and 4 extension portions are respectively disposed on the corresponding side edges of the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867883.0U CN210629842U (en) | 2019-10-30 | 2019-10-30 | Vibrating diaphragm mounting structure for micro loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867883.0U CN210629842U (en) | 2019-10-30 | 2019-10-30 | Vibrating diaphragm mounting structure for micro loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210629842U true CN210629842U (en) | 2020-05-26 |
Family
ID=70749453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921867883.0U Active CN210629842U (en) | 2019-10-30 | 2019-10-30 | Vibrating diaphragm mounting structure for micro loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210629842U (en) |
-
2019
- 2019-10-30 CN CN201921867883.0U patent/CN210629842U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 3 / F, building A5, No. 463, South Ring Road, Heyi community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Weishi Technology Co.,Ltd. Country or region after: China Address before: 3 / F, building A5, No. 463, South Ring Road, Heyi community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SUNWAY ACOUSTICS TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |