CN215935090U - Sound generator - Google Patents
Sound generator Download PDFInfo
- Publication number
- CN215935090U CN215935090U CN202122264485.3U CN202122264485U CN215935090U CN 215935090 U CN215935090 U CN 215935090U CN 202122264485 U CN202122264485 U CN 202122264485U CN 215935090 U CN215935090 U CN 215935090U
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- Prior art keywords
- connecting portion
- voice coil
- sounder
- extending
- vibrating diaphragm
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model provides a sounder which comprises a vibration system and a magnetic circuit system, wherein the vibration system comprises a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate, the vibrating diaphragm comprises a ball top part and a folded ring part fixed with the outer edge of the ball top part, the folded ring part comprises a first connecting part connected with the ball top part, the folded ring part is provided with an extending part extending from the first connecting part to the voice coil direction, and the bottom surface of the extending part is connected with the top surface of the voice coil. The sounder provided by the utility model is simple in manufacturing process and saves cost.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of electroacoustic conversion, in particular to a sounder.
[ background of the utility model ]
A sound generator of the related art includes a vibration system and a magnetic circuit system, the vibration system includes a diaphragm and a voice coil for driving the diaphragm to vibrate, and the voice coil is inserted into a magnetic gap of the magnetic circuit system. Because the position that the voice coil inserted the magnetic gap is closely related with the size of electromagnetic drive power, the vibration system of the sounder of the correlation technique often still includes the metal framework of being connected with the vibrating diaphragm, the voice coil is fixed in the metal framework, can adjust the position that the voice coil is in the magnetic gap to magnetic circuit's extension length through adjusting the metal framework, however, the metal framework part shaping is complicated, and the metal framework still considers the assembly degree of difficulty with the vibrating diaphragm as part of vibration system simultaneously, and the preparation process is complicated, and the cost is still high simultaneously.
Therefore, there is a need for a new type of sound generator.
[ Utility model ] content
The present invention is to solve the above-mentioned technical problems, and to provide a sound generator with simple manufacturing process and low cost.
The technical scheme of the utility model is as follows: the utility model provides a sounder, its includes vibration system and magnetic circuit, vibration system includes the vibrating diaphragm and drives the voice coil loudspeaker voice coil that the vibrating diaphragm vibrated, the vibrating diaphragm include the ball top and with the fixed book ring portion in the outward flange of ball top, book ring portion includes the first connecting portion of being connected with the ball top, book ring portion be equipped with certainly first connecting portion to the extension that the voice coil loudspeaker voice coil direction extends, the bottom surface of extension with the top surface of voice coil loudspeaker voice coil is connected.
Preferably, the folded ring part is of an integral injection molding structure.
Preferably, the bottom surface of the extension is smaller than the top surface of the voice coil.
Preferably, the extension is a continuous hollow ring structure.
Preferably, the first connecting portion has an upper surface far from the magnetic circuit system and a lower surface opposite to the upper surface, the ball top portion is connected to the upper surface of the first connecting portion, and the extending portion is formed by extending from the lower surface of the first connecting portion.
Preferably, the top of the ball is provided with an installation part recessed far away from the magnetic circuit system, and the upper surface of the first connection part is fixedly connected with the installation part of the top of the ball.
Preferably, the edge portion includes a second connecting portion located on an outer periphery thereof and a recessed portion connecting the first connecting portion and the second connecting portion, and the recessed portion is recessed in a direction of the magnetic circuit system.
Preferably, the magnetic circuit system comprises a magnetic plate, an inner magnetic steel and an outer magnetic steel which are arranged on the magnetic plate, and an inner pole core and an outer pole core which are respectively arranged on the inner magnetic steel and the outer magnetic steel, wherein a magnetic gap is formed between the inner magnetic steel and the outer magnetic steel, the outer pole core is sunken towards the direction far away from the vibrating diaphragm to form an avoiding portion, and at least part of the projection of the sunken portion of the folded ring portion in the vibrating direction of the vibrating diaphragm is located in the avoiding portion.
Preferably, the sounder is further provided with a gasket clamped between the external pole core and the diaphragm, the second connecting portion is connected with the gasket, a fixing portion is formed by extending from the outer edge of the second connecting portion to the direction of the gasket, and the fixing portion is connected with the outer surface of the gasket.
The utility model has the beneficial effects that: according to the sounder, the extending part of the folded ring part, which extends from the first connecting part to the voice coil direction, replaces a metal framework in the related technology, the length of the extending part extending to the voice coil direction can adjust the position of the voice coil in the magnetic gap, the metal framework is omitted, the manufacturing process is simplified, the cost is saved, and meanwhile, the weight of the sounder can be reduced, so that the requirement of lightness and thinness is met.
[ description of the drawings ]
FIG. 1 is a perspective view of the acoustic generator of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a perspective view of a diaphragm of the acoustic generator of the present invention;
fig. 4 is a perspective view of another view angle of the diaphragm of the acoustic generator of the present invention.
[ detailed description ] embodiments
The utility model is further described with reference to the following figures and embodiments.
As shown in fig. 1 to 4, the sound generator 100 provided by the present invention includes a vibration system 10 and a magnetic circuit system 20, wherein the vibration system 10 includes a diaphragm 11 and a voice coil 12 for driving the diaphragm 11 to vibrate, the magnetic circuit system 20 includes a magnetic plate 21, an inner magnetic steel 22 and an outer magnetic steel 23 disposed on the magnetic plate 21, and an inner pole core 24 and an outer pole core 25 disposed on the inner magnetic steel 22 and the outer magnetic steel 23, respectively, a magnetic gap 201 is formed between the inner magnetic steel 22 and the outer magnetic steel 23, the voice coil 12 is disposed in the magnetic gap 201, and the sound generator 100 is further provided with a gasket 30 interposed between the outer pole core 25 and the diaphragm 11.
Specifically, the diaphragm 11 includes a spherical top portion 111 and a corrugated rim portion 112 fixed to an outer edge of the spherical top portion 111, the corrugated rim portion 112 includes a first connection portion 1121 connected to the spherical top portion 111, an extension portion 1122 extending from the first connection portion 1121 toward the voice coil 12, a second connection portion 1123 located at an outer periphery, a recess portion 1124 connecting the first connection portion 1121 and the second connection portion 1123, and a fixing portion 1125 extending from an outer edge of the second connection portion 1123 toward the gasket 30, the second connection portion 1123 is connected to the gasket 30, and the fixing portion 1125 is connected to an outer surface of the gasket 30. The bottom surface of the extension portion 1122 is connected to the top surface of the voice coil 12, the bottom surface of the extension portion 1122 is smaller than the top surface of the voice coil 12, preferably, the annular folding portion 112 is an integral injection molding structure, and the extension portion 1122 is a continuous hollow annular structure.
In the present embodiment, the dome 111 is provided with an installation portion 1111 recessed in a direction away from the magnetic circuit system 20, the upper surface of the first connection portion 1121 is fixedly connected to the installation portion 1111, and the extension portion 1122 is formed by extending from the lower surface of the first connection portion 1121. In other embodiments, the ball top portion 111 may be connected to the lower surface of the first connection portion 1121. In addition, the concave portion 1124 is concave towards the magnetic circuit system 20, and the external pole core 25 is concave towards the direction far away from the diaphragm 11 to form the avoiding portion 251, the projection of the concave portion 1124 on the vibration direction of the diaphragm 11 is at least partially located at the avoiding portion 251, the avoiding portion 251 can provide more vibration space for the ring folding portion 112, and the sound generator is beneficial to ultra-thinning development.
According to the sounder, the extending part of the folded ring part, which extends from the first connecting part to the voice coil direction, replaces a metal framework in the related technology, the length of the extending part extending to the voice coil direction can adjust the position of the voice coil in the magnetic gap, the metal framework is omitted, the manufacturing process is simplified, the cost is saved, and meanwhile, the weight of the sounder can be reduced, so that the requirement of lightness and thinness is met.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model.
Claims (9)
1. A sounder, it includes vibration system and magnetic circuit, vibration system includes the vibrating diaphragm and drives the voice coil loudspeaker voice coil that the vibrating diaphragm vibrates, the vibrating diaphragm include the ball top and with the outer fringe fixed book ring portion in ball top, book ring portion includes the first connecting portion of being connected with the ball top, its characterized in that: the edge portion is provided with an extending portion extending from the first connecting portion to the voice coil, and the bottom surface of the extending portion is connected with the top surface of the voice coil.
2. The sounder according to claim 1, wherein: the folded ring part is of an integrated injection molding structure.
3. The sounder according to claim 1, wherein: the bottom surface of the extension portion is smaller than the top surface of the voice coil.
4. The sounder according to claim 1, wherein: the extension part is a continuous hollow annular structure.
5. The sounder according to claim 1, wherein: the first connecting portion is provided with an upper surface far away from the magnetic circuit system and a lower surface opposite to the upper surface, the top of the ball is connected with the upper surface of the first connecting portion, and the extending portion is formed by extending from the lower surface of the first connecting portion.
6. The sounder according to claim 1, wherein: the top of the ball is provided with an installation part which is sunken far away from the magnetic circuit system, and the upper surface of the first connection part is fixedly connected with the installation part at the top of the ball.
7. The sounder according to claim 1, wherein: the edge portion comprises a second connecting portion located on the outer periphery and a recessed portion connecting the first connecting portion and the second connecting portion, and the recessed portion is recessed towards the magnetic circuit system.
8. The sounder according to claim 7, wherein: the magnetic circuit system comprises a magnetic plate, inner magnetic steel and outer magnetic steel arranged on the magnetic plate, and an inner pole core and an outer pole core which are respectively arranged on the inner magnetic steel and the outer magnetic steel, wherein a magnetic gap is formed between the inner magnetic steel and the outer magnetic steel, the outer pole core is sunken towards the direction far away from the vibrating diaphragm to form an avoiding part, and at least part of the projection of the sunken part of the folded ring part in the vibrating direction of the vibrating diaphragm is positioned in the avoiding part.
9. The sounder according to claim 8, wherein: the sounder is further provided with a gasket clamped between the external pole core and the vibrating diaphragm, the second connecting portion is connected with the gasket, a fixing portion is formed by extending the outer edge of the second connecting portion to the direction of the gasket, and the fixing portion is connected with the outer surface of the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264485.3U CN215935090U (en) | 2021-09-17 | 2021-09-17 | Sound generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264485.3U CN215935090U (en) | 2021-09-17 | 2021-09-17 | Sound generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215935090U true CN215935090U (en) | 2022-03-01 |
Family
ID=80417424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122264485.3U Expired - Fee Related CN215935090U (en) | 2021-09-17 | 2021-09-17 | Sound generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215935090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114866918A (en) * | 2022-04-29 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and audio equipment |
-
2021
- 2021-09-17 CN CN202122264485.3U patent/CN215935090U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114866918A (en) * | 2022-04-29 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and audio equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220301 |