CN214177547U - Sound production device - Google Patents
Sound production device Download PDFInfo
- Publication number
- CN214177547U CN214177547U CN202022214610.5U CN202022214610U CN214177547U CN 214177547 U CN214177547 U CN 214177547U CN 202022214610 U CN202022214610 U CN 202022214610U CN 214177547 U CN214177547 U CN 214177547U
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- CN
- China
- Prior art keywords
- sounding
- extending
- wall
- base
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The utility model provides a sounding device, which comprises a shell and a sounding monomer, wherein the sounding monomer comprises a vibrating diaphragm for vibrating and sounding, the shell comprises a base and a rear shell which are respectively arranged at two opposite sides of the sounding monomer along the vibration direction of the vibrating diaphragm, the base is provided with a sounding port which runs through the base, one side of the sounding monomer provided with the vibrating diaphragm faces the sounding port, the base comprises a base plate provided with the sounding port, a side wall which is bent and extended from the periphery of the base plate to the direction close to the rear shell and an extension wall which is bent and extended from one side of the side wall far away from the base plate; the base plate and the side wall jointly enclose an accommodating cavity, and the sounding monomer is accommodated in the accommodating cavity; the sound production device further comprises a fixing plate, at least part of the fixing plate is covered on one side, far away from the vibrating diaphragm, of the sound production monomer and fixed with the sound production monomer, and the fixing plate comprises a fixing portion fixed with the sound production monomer and a connecting portion formed by extending the two opposite ends of the fixing portion and fixed with the extending wall. Compared with the prior art, the utility model discloses a sounding device reliability is better.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an acoustoelectric field especially relates to a sounding device.
[ background of the invention ]
With the advent of the internet era, the number of mobile terminal devices has increased. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. Sound production devices for playing sounds such as music are widely used in mobile terminal devices such as mobile phones, and a vibration system in the sound production devices is particularly important, and the whole sound production device produces sound through vibration of the vibration system.
The sound production device comprises a shell with an accommodating space and a sound production unit accommodated in the accommodating space, wherein the sound production unit comprises a vibrating diaphragm for vibrating and producing sound, the shell comprises a base and a rear shell which are respectively arranged at two opposite sides of the sound production unit along the vibration direction of the vibrating diaphragm, the base is provided with a sound production port penetrating through the base, one side of the vibrating diaphragm, which is arranged on the sound production unit, faces the sound production port, and the base comprises a base plate provided with the sound production port, a side wall which is bent and extended from the periphery of the base plate to the direction close to the rear shell, and an extension wall which is bent and extended from one side of the side wall far away from the base plate; the bed plate with the lateral wall encloses jointly and encloses into and accepts the chamber, the sound production monomer accept in accept the chamber, the lateral wall is close to the free one side of sound production by the bed plate to the slope of extension wall direction extends in order to make things convenient for the point to glue, the free week side of sound production with the lateral wall veneer is fixed.
However, because the week side of the sound production monomer with the lateral wall needs the point to be glued, the lateral wall is close to the one side of the sound production monomer by the bed plate to extend the slope of wall direction, make the edge perpendicular to of sound production device the width of vibrating diaphragm vibration direction is great, and unilateral width increases 0.7mm at least.
Therefore, there is a need to provide a new sound generation device to solve the above problems.
[ Utility model ] content
An object of the utility model is to provide a better vocal device of reliability.
In order to achieve the above object, the present invention provides a sound generating device, which comprises a housing having an accommodating space and a sound generating unit accommodated in the accommodating space, wherein the sound generating unit comprises a vibrating diaphragm for vibrating sound, the housing comprises a base and a back shell respectively covering two opposite sides of the sound generating unit along a vibration direction of the vibrating diaphragm, the base is provided with a sound generating port penetrating through the base, one side of the sound generating unit provided with the vibrating diaphragm faces the sound generating port,
the base comprises a base plate provided with the sounding port, a side wall bent and extended from the periphery of the base plate to the direction close to the rear shell, and an extension wall bent and extended outwards from one side of the side wall far away from the base plate; the base plate and the side wall jointly enclose an accommodating cavity, and the sounding monomer is accommodated in the accommodating cavity and supported on the base plate;
the sounding device further comprises at least a part of cover arranged on one side of the vibrating diaphragm and a fixing plate fixed by the sounding unit, the fixing plate comprises a fixing part fixed by the sounding unit and a connecting part formed by extending the two opposite ends of the fixing part and fixed by the extending wall, and the fixing plate is clamped in the accommodating cavity.
Preferably, each of the connecting portions includes a first through hole penetrating therethrough, the base further includes a heat-fusible column extending from the extending wall to a direction close to the rear housing and corresponding to the first through hole, and each of the heat-fusible columns penetrates through one of the first through holes so that the connecting portion and the extending wall form a fixed connection.
Preferably, the base still includes the location portion that corresponds connecting portion set up, location portion including be fixed in extend the wall and keep away from the location diapire of bed plate one side and by the location diapire is to being close to the location lateral wall that the backshell extends of buckling, connecting portion are fixed in location diapire and butt in location lateral wall.
Preferably, one side of the positioning side wall close to the connecting part extends obliquely from the positioning bottom wall to a direction away from the connecting part.
Preferably, the connecting part is fixed with the extending wall by gluing.
Preferably, the fixing plate is made of a steel sheet.
Preferably, the fixing plate and the sounding unit are fixed through laser spot welding.
Preferably, the base still includes by extend the wall and keep away from one lateral direction of lateral wall is close to the vice extension wall that the backshell direction is buckled and is extended, the backshell include with sound production monomer spaced backshell board and by the periphery of backshell board is close to the backshell extension wall that the base direction is buckled and is extended, the backshell extension wall butt is fixed in vice extension wall.
Preferably, the rear shell further comprises a supporting portion formed by extending the rear shell plate in a direction away from the sounding monomer, the sounding device further comprises a conductive piece for connecting the sounding monomer with an external electrical signal, the conductive piece comprises a conductive piece body, a connecting arm extending from two ends of the conductive piece body in the direction towards the sounding monomer and fixedly and electrically connected with the sounding monomer, a first extension arm extending from the conductive piece body in the direction away from the sounding monomer and penetrating through the shell, a second extension arm extending from one end of the first extension arm away from the conductive piece body along the rear shell in a bending manner, and a fixing arm extending from one end of the second extension arm away from the first extension arm in a bending manner and supporting and fixing the fixing arm on the supporting portion, the fixing arm penetrates through a second through hole formed in the fixing arm, and the supporting portion is provided with a fixing column extending towards the fixing arm, the fixing column penetrates through the second through hole.
Compared with the prior art, the sound production device of the utility model also comprises a fixing plate which is at least partially covered on one side of the sound production monomer far away from the vibrating diaphragm and is fixed with the sound production monomer, the fixing plate comprises a fixing part fixed with the sound production monomer and a connecting part which is formed by extending the two opposite ends of the fixing part and is fixed with the extending wall, and the sound production monomer is clamped in the accommodating cavity by the fixing plate; by adopting the structure, the fixing plate and the sounding single body are fixed, the reliability is better, the peripheral side of the sounding single body is prevented from being glued and fixed with the side wall, the peripheral side gluing process of the sounding single body is omitted, and the process flow is simpler; the width of the sounding device along the direction perpendicular to the vibration direction of the vibrating diaphragm is reduced by at least 1.4mm, the volume of the sounding device is reduced, and the space utilization rate is higher.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of the sound device of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
fig. 3 is an assembly schematic view of the base, the sound generating unit and the conductive member of the present invention;
fig. 4 is a schematic view of the other direction of the sound generating device according to the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a sound generating device 100, wherein the sound generating device 100 includes a housing 1 having an accommodating space 10, a sound generating unit 2, a fixing plate 3 and a conductive member 4 accommodated in the accommodating space 10, the sound generating unit 2 includes a vibrating diaphragm 21 for vibrating and generating sound, the housing 1 includes a base 11 and a back shell 12 respectively covering and disposed on two opposite sides of the sound generating unit 2 along a vibration direction of the vibrating diaphragm 21. The base 11 is provided with a sound emitting port 110 penetrating through the base, and one side of the sound emitting single body 2 provided with the vibrating diaphragm 21 faces the sound emitting port 110.
Specifically, the base 11 includes a base plate 111 provided with the sound emitting port 110, a side wall 112 extending from the periphery of the base plate 111 to the direction close to the rear case 12, an extending wall 113 extending from the side of the side wall 112 away from the base plate 111 to the outside, a sub extending wall 117 extending from the side of the extending wall 113 away from the side wall 112 to the direction close to the rear case 12, and a positioning portion 116. The positioning portion 116 includes a positioning bottom wall 1161 fixed on a side of the extending wall 113 away from the base plate 111, and a positioning side wall 1162 extending from the positioning bottom wall 1161 to a position close to the rear case 12. The base plate 111 and the side wall 112 together enclose a containing cavity 114, and the sound generating unit 2 is contained in the containing cavity 114 and supported on the base plate 111.
The fixing plate 3 is made of a steel sheet, and at least part of the fixing plate is covered on one side of the sound generating unit 2 far away from the vibrating diaphragm 21 and is fixed with the sound generating unit 2. Specifically, the fixing plate 3 includes a fixing portion 31 fixed to the sounding unit 2 and a connecting portion 32 formed by extending opposite ends of the fixing portion 31 and fixed to the extending wall 113, the fixing plate 3 is clamped to the sounding unit 2 in the accommodating cavity 114, and the positioning portion 116 is disposed corresponding to the connecting portion 32. In this embodiment, the fixing portion 31 and the sounding unit 2 are fixed by laser spot welding, so that the reliability is better; which is arranged across the sound generating unit 2, the stability is better, but of course, the invention is not limited thereto. The connecting portions 32 comprise two, each connecting portion 32 comprises a first through hole 320 penetrating therethrough; preferably, the first through holes 1320 of each connection portion 32 include two and are oppositely disposed. The connecting portion 32 is fixed to the positioning bottom wall 1161 and abuts against the positioning sidewall 1162.
The fixing plate 3 and the sounding single body 2 are used for fixing, the reliability is better, the peripheral side of the sounding single body 2 is prevented from being glued and fixed with the side wall 112, the peripheral side gluing process of the sounding single body 2 is omitted, and the process flow is simpler; the width of the sounding device 100 along the direction perpendicular to the vibration direction of the vibrating diaphragm 21 is reduced by at least 1.4mm, the volume of the sounding device 100 is reduced, and the space utilization rate is higher.
Preferably, the base 11 further includes heat-fusible pillars 115 extending from the extension wall 113 to a direction close to the rear housing 12 and corresponding to the first through holes 320, each heat-fusible pillar 115 penetrates through one first through hole 320 so as to form a fixed connection between the connecting portion 32 and the extension wall 113, and further, the heat-fusible pillars 115 can be deformed into a specific shape (such as a cap shape) by heat fusion to achieve a better fixing effect. By adopting the fixing mode, the reliability is better. Of course, it is also possible to use a glue-fit, i.e. the connection portion 32 is fixed to the extension wall 113 by gluing; at this time, one side of the positioning side wall 1162 close to the connecting portion 32 is inclined and extended from the positioning bottom wall 1161 to a direction away from the connecting portion 32, and this structure facilitates gluing. The rear shell 12 includes a rear shell plate 121 spaced from the sound generating unit 2, a rear shell extension wall 122 extending from the periphery of the rear shell plate 121 toward the direction close to the base 11, and a support portion 123 formed by extending from the rear shell plate 121 toward the direction away from the sound generating unit 2, and the rear shell extension wall 122 is fixed to the auxiliary extension wall 117 in an abutting manner.
The conductive device 4 connects the sounding unit 2 with an external electrical signal, and includes a conductive device body 41, a connecting arm 42 extending from two ends of the conductive device body 41 toward the sounding unit 2 and fixedly electrically connected to the sounding unit 2, a first extending arm 43 extending from the conductive device body 41 toward a direction away from the sounding unit 2 and penetrating through the housing 1, a second extending arm 44 extending from one end of the first extending arm 43 away from the conductive device body 41 along the rear housing 12, and a fixing arm 45 extending from one end of the second extending arm 44 away from the first extending arm 43 and supported and fixed to the supporting portion 123, wherein the fixing arm 45 has a second through hole 451 penetrating therethrough, the supporting portion 123 has a fixing post 1231 extending toward the fixing post 45, and the fixing post 1231 penetrates through the second through hole 451, the reliability is better; in addition, the conductive member is arranged in such a structure, so that the space occupied by the conductive member 4 on the whole sounding device 100 is small, and the volume of the sounding device 100 is reduced.
Compared with the prior art, the sound production device of the utility model also comprises a fixing plate which is at least partially covered on one side of the sound production monomer far away from the vibrating diaphragm and is fixed with the sound production monomer, the fixing plate comprises a fixing part fixed with the sound production monomer and a connecting part which is formed by extending the two opposite ends of the fixing part and is fixed with the extending wall, and the sound production monomer is clamped in the accommodating cavity by the fixing plate; by adopting the structure, the fixing plate and the sounding single body are fixed, the reliability is better, the peripheral side of the sounding single body is prevented from being glued and fixed with the side wall, the peripheral side gluing process of the sounding single body is omitted, and the process flow is simpler; the width of the sounding device along the direction perpendicular to the vibration direction of the vibrating diaphragm is reduced by at least 1.4mm, the volume of the sounding device is reduced, and the space utilization rate is higher.
The utility model provides an above only do the embodiment of the utility model not consequently the restriction the patent scope of the utility model, all utilize the utility model discloses equivalent structure or equivalent flow transform that the content of description and drawing was done, or direct or indirect application is in other relevant technical field, all the same reason is included the utility model discloses an in the patent protection scope.
Claims (9)
1. A sounding device comprises a shell with an accommodating space and a sounding monomer accommodated in the accommodating space, wherein the sounding monomer comprises a vibrating diaphragm for vibrating and sounding, the shell comprises a base and a rear shell which are respectively arranged at two opposite sides of the sounding monomer along the vibration direction of the vibrating diaphragm, the base is provided with a sounding port penetrating through the base, one side of the sounding monomer provided with the vibrating diaphragm faces the sounding port, and the sounding device is characterized in that,
the base comprises a base plate provided with the sounding port, a side wall bent and extended from the periphery of the base plate to the direction close to the rear shell, and an extension wall bent and extended outwards from one side of the side wall far away from the base plate; the base plate and the side wall jointly enclose an accommodating cavity, and the sounding monomer is accommodated in the accommodating cavity and supported on the base plate;
the sounding device further comprises at least a part of cover arranged on one side of the vibrating diaphragm and a fixing plate fixed by the sounding unit, the fixing plate comprises a fixing part fixed by the sounding unit and a connecting part formed by extending the two opposite ends of the fixing part and fixed by the extending wall, and the fixing plate is clamped in the accommodating cavity.
2. The sounder device according to claim 1, wherein each of the connecting portions includes a first through hole extending therethrough, the base further includes a heat stake extending from the extending wall in a direction toward the rear housing and corresponding to the first through hole, and each of the heat stakes extends through one of the first through holes to fixedly connect the connecting portion with the extending wall.
3. The sounder device according to claim 1, wherein the base further comprises a positioning portion disposed corresponding to the connecting portion, the positioning portion includes a positioning bottom wall fixed to a side of the extending wall away from the base plate and a positioning sidewall extending from the positioning bottom wall to a side close to the rear housing, and the connecting portion is fixed to the positioning bottom wall and abuts against the positioning sidewall.
4. The sounder device according to claim 3, wherein a side of the positioning wall adjacent the connecting portion extends from the positioning bottom wall obliquely away from the connecting portion.
5. The sounder device according to claim 4, wherein the connecting portion is adhesively secured to the extension wall.
6. The sounder device according to claim 1, wherein the fixed plate is made of sheet steel.
7. The sound production device as claimed in claim 6, wherein the fixing plate is fixed to the sound production unit by laser spot welding.
8. The sound production device as claimed in claim 1, wherein the base further comprises a secondary extension wall extending from a side of the extension wall away from the side wall to a direction close to the rear housing, the rear housing comprises a rear housing plate spaced from the sound production unit and a rear housing extension wall extending from a periphery of the rear housing plate to a direction close to the base, and the rear housing extension wall is fixed to the secondary extension wall in an abutting manner.
9. The sound-generating device as claimed in claim 8, wherein the rear housing further comprises a supporting portion formed by extending the rear housing plate in a direction away from the sound-generating unit, the sound-generating device further comprises a conductive member connecting the sound-generating unit with an external electrical signal, the conductive member comprises a conductive member body, a connecting arm extending from two ends of the conductive member body in the direction towards the sound-generating unit and fixedly electrically connected with the sound-generating unit, a first extension arm extending from the conductive member body in the direction away from the sound-generating unit and penetrating the housing, a second extension arm extending from one end of the first extension arm far away from the conductive member body along the rear housing in a bending manner, and a fixing arm extending from one end of the second extension arm far away from the first extension arm in a bending manner and supporting manner and fixed to the supporting portion, the fixing arm being provided with a second through hole penetrating therethrough, the supporting portion is provided with a fixing column extending towards the fixing arm, and the fixing column penetrates through the second through hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022214610.5U CN214177547U (en) | 2020-09-29 | 2020-09-29 | Sound production device |
| PCT/CN2020/129786 WO2022068010A1 (en) | 2020-09-29 | 2020-11-18 | Sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022214610.5U CN214177547U (en) | 2020-09-29 | 2020-09-29 | Sound production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214177547U true CN214177547U (en) | 2021-09-10 |
Family
ID=77596668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022214610.5U Expired - Fee Related CN214177547U (en) | 2020-09-29 | 2020-09-29 | Sound production device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214177547U (en) |
| WO (1) | WO2022068010A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366324A (en) * | 2018-01-27 | 2018-08-03 | 瑞声科技(新加坡)有限公司 | Sounding device assembly and electronic equipment |
| CN110198509B (en) * | 2018-02-26 | 2022-04-12 | 歌尔股份有限公司 | Acoustic generator and electronic product |
| CN208638706U (en) * | 2018-08-10 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN209330394U (en) * | 2018-12-27 | 2019-08-30 | 瑞声光电科技(常州)有限公司 | Loudspeaker enclosure |
| CN210093534U (en) * | 2019-07-22 | 2020-02-18 | 瑞声科技(新加坡)有限公司 | Loudspeaker box and mobile terminal |
| CN211321501U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
-
2020
- 2020-09-29 CN CN202022214610.5U patent/CN214177547U/en not_active Expired - Fee Related
- 2020-11-18 WO PCT/CN2020/129786 patent/WO2022068010A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022068010A1 (en) | 2022-04-07 |
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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 |
Granted publication date: 20210910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |