CN203691620U - Ultra-thin acoustic cavity structure - Google Patents
Ultra-thin acoustic cavity structure Download PDFInfo
- Publication number
- CN203691620U CN203691620U CN201420041675.6U CN201420041675U CN203691620U CN 203691620 U CN203691620 U CN 203691620U CN 201420041675 U CN201420041675 U CN 201420041675U CN 203691620 U CN203691620 U CN 203691620U
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- Prior art keywords
- sound chamber
- loud speaker
- ultra
- loudspeaker
- support
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 108090000565 Capsid Proteins Proteins 0.000 claims description 23
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000002528 anti-freeze Effects 0.000 description 4
- 239000012467 final product Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses an ultra-thin acoustic cavity structure which comprises a front housing, a PCB, a first acoustic support, a loudspeaker, a loudspeaker flexible board and a second acoustic cavity support. The PCB is disposed on the front housing. The first acoustic support and the loudspeaker are arranged with the PCB in a sealed manner respectively. The loudspeaker is reversely mounted above a through hole arranged in the PCB. A front acoustic cavity is formed between the through hole and a diaphragm of the loudspeaker. The loudspeaker is welded onto the loudspeaker flexible board. The loudspeaker flexible board is electrically connected with the PCB through a connector welded onto the PCB. The second acoustic cavity support is mounted on the first acoustic cavity support and is positioned above the loudspeaker flexible board. An acoustic cavity channel that is communicated with the through hole is disposed inside the front housing. The acoustic cavity channel stretches to one side face of the front housing. An outlet of the acoustic cavity channel forms a sound hole in the side face of the front housing. The sound hole is far away from a magnetic field region of the loudspeaker. The ultra-thin acoustic cavity structure is reliable in sealing, has good timbre effect, helps to reduce the thickness of the overall machine, beautifies the appearance of the machine, and can prevent scraps of iron.
Description
Technical field
The utility model relates to the audio cavity structure of a kind of mobile terminal device or digital equipment, more particularly, relates to a kind of ultra-thin audio cavity structure.
Background technology
Present mobile terminal device and digital equipment are more and more focused on user and are experienced, and ultra-thin profile, perfect tonequality can promote greatly user and experience.Well-known, an important channel that promotes tonequality is exactly to use high-power, large volume, the good loud speaker of tonequality, but, the volume that so also can be accompanied by loud speaker becomes the increase that brings greatly complete machine thickness, also can cause the rising of magnetic flux, the rising of magnetic flux can improve mobile phone greatly enters the probability of iron filings, causes the problem such as noise, loud speaker inefficacy simultaneously, need again to increase antifreeze plate and solve, thickness also increases thereupon.Tradition settling mode is or sacrifices tonequality, uses small size, low power loud speaker to reduce thickness, or pursues tonequality, changes large volume, powerful loud speaker, then adds antifreeze plate and sacrifice complete machine thickness and solve, can not be satisfactory to both parties.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect of the prior art, a kind of ultra-thin audio cavity structure is provided, thickness and tonequality problem that it not only can solve mobile terminal device or digital equipment, can make again the profile of mobile terminal device or digital equipment more attractive in appearance and have an anti-iron filings function.
For achieving the above object, the technical scheme that the utility model provides is as follows: a kind of ultra-thin audio cavity structure, it comprises procapsid, pcb board, the first sound chamber support, loud speaker, loud speaker soft board and the second sound chamber support, described pcb board is arranged on described procapsid, described the first sound chamber support and described loud speaker arrange with described pcb board sealing respectively, described loud speaker is inverted and is arranged on the through hole top that described pcb board is offered, between described through hole and the vibrating diaphragm of described loud speaker, form front sound chamber, described loud speaker is welded on described loud speaker soft board, described loud speaker soft board is electrically connected with described pcb board by the connector being welded on described pcb board, described the second sound chamber support is installed in described the first sound chamber support and is positioned at described loud speaker soft board top, the inside of described procapsid is provided with the sound chamber passage being conducted with described through hole, described sound chamber passage leads to a side of described procapsid, the outlet of described sound chamber passage forms phonate hole on the side of described procapsid, described phonate hole is away from the field region of described loud speaker.
As preferably, in technique scheme, between described the first sound chamber support and described pcb board, be formed with the rear sound chamber that is positioned at described loud speaker one side.
As preferably, in technique scheme, described connector is set to POGO PIN connector.
As preferably, in technique scheme, described the first sound chamber support and described loud speaker arrange by foam and the sealing of described pcb board respectively.
As preferably, in technique scheme, described the first sound chamber support is set to plastic rubber bracket.
As preferably, in technique scheme, described the second sound chamber support is set to five metals thin slice support.
As preferably, in technique scheme, the below of described procapsid is provided with touch-screen, and described touch-screen is tightly connected by double faced adhesive tape and described procapsid.
Compared with prior art, the beneficial effects of the utility model are:
The utlity model has He Yin chamber, the front sound chamber of novel loud speaker channels designs, sealing is reliable, acoustical quality is good, has reduced complete machine thickness, simultaneously, phonate hole is reached to the side of procapsid, not only can avoid perforate on battery cover, beautify complete machine, and phonate hole is away from the field region of loud speaker, get final product anti-iron filings without antifreeze plate is installed, reduced production cost and complete machine thickness.
Accompanying drawing explanation
Fig. 1 is the generalized section of ultra-thin audio cavity structure described in the utility model.
Include in the drawings:
1---procapsid, 2---pcb board, 3---the first sound chamber support, 4---loud speaker, 5---loud speaker soft board, 6---the second sound chamber support, 7---through hole, 8------sound chamber passage, 10---phonate hole, 11---connector, 12---foam, 13---the rear sound of touch-screen, 14---double faced adhesive tape, 15---chamber, front sound chamber, 9.
Below in conjunction with drawings and Examples, ultra-thin audio cavity structure described in the utility model is described further.
Embodiment
Be below the preferred example of ultra-thin audio cavity structure described in the utility model, therefore do not limit protection range of the present utility model.
Please refer to Fig. 1, there is shown a kind of ultra-thin audio cavity structure, it comprises procapsid 1, pcb board 2, the first sound chamber support 3, loud speaker 4, loud speaker soft board 5(FPC) and the second sound chamber support 6.
In this enforcement, pcb board 2 is arranged on procapsid 1, and the first sound chamber support 3 is set to plastic rubber bracket, and the first sound chamber support 3 arranges by foam 12 and pcb board 2 sealings, is formed with the rear sound chamber 15 that is positioned at loud speaker 4 one sides between the first sound chamber support 3 and pcb board 2.
In this enforcement, loud speaker 4 is inverted and is arranged on through hole 7 tops that pcb board 2 is offered, through hole 7 can provide oscillation space for the vibrating diaphragm of loud speaker 4, loud speaker 4 arranges by foam 12 and pcb board 2 sealings, the horn spring plate of loud speaker 4 upward, the vibrating diaphragm of loud speaker 4, has formed front sound chamber 8 between through hole 7 and the vibrating diaphragm of loud speaker 4 down, and this structure has effectively utilized thickness space.In addition, loud speaker 4 is welded on loud speaker soft board 5, and loud speaker soft board 5 is electrically connected with pcb board 2 by the connector 11 being welded on pcb board 2, and wherein, connector 11 is preferably set to POGOPIN connector.
In this enforcement, the second sound chamber support 6 is installed in the first sound chamber support 3 and is positioned at loud speaker soft board 5 tops.The second sound chamber support 6 is set to five metals thin slice support, and it both can serve as the reinforcement support of loud speaker soft board 5, can become again the sealing thin-walled in rear sound chamber 15, has reduced complete machine thickness.
In this enforcement, the inside of procapsid 1 is provided with the sound chamber passage 9 being conducted with the through hole 7 of pcb board 2, sound chamber passage 9 leads to a side of procapsid 1, and the outlet of sound chamber passage 9 forms phonate hole 10 on the side of procapsid 1, and phonate hole 10 is away from the field region of loud speaker 4.Phonate hole 10 is reached to the side of procapsid 1, not only can avoid perforate on battery cover, beautify complete machine, and phonate hole 10 is away from the field region of loud speaker 4, gets final product anti-iron filings without antifreeze plate is installed, and has reduced production cost and complete machine thickness.
In this enforcement, the below of procapsid 1 is provided with touch-screen 13, and touch-screen 13 is tightly connected by double faced adhesive tape 14 and procapsid 1.Wherein, the design of sound chamber passage 9 also can effectively utilize touch-screen and double faced adhesive tape 14 to seal, and has further effectively utilized thickness space.
In sum, the utility model can, in selecting the loud speaker of relatively high power, larger volume, can reduce again complete machine thickness, can be widely used in mobile terminal device or digital equipment.
Above-described embodiment is preferably execution mode of the utility model; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection range of the present utility model.
Claims (7)
1. a ultra-thin audio cavity structure, it is characterized in that: comprise procapsid (1), pcb board (2), the first sound chamber support (3), loud speaker (4), loud speaker soft board (5) and the second sound chamber support (6), described pcb board (2) is arranged on described procapsid (1), described the first sound chamber support (3) and described loud speaker (4) arrange with described pcb board (2) sealing respectively, described loud speaker (4) is inverted and is arranged on through hole (7) top that described pcb board (2) is offered, between the vibrating diaphragm of described through hole (7) and described loud speaker (4), form front sound chamber (8), described loud speaker (4) is welded on described loud speaker soft board (5), described loud speaker soft board (5) is electrically connected with described pcb board (2) by the connector (11) being welded on described pcb board (2), described the second sound chamber support (6) is installed in described the first sound chamber support (3) and is positioned at described loud speaker soft board (5) top, the inside of described procapsid (1) is provided with the sound chamber passage (9) being conducted with described through hole (7), described sound chamber passage (9) leads to a side of described procapsid (1), the outlet of described sound chamber passage (9) forms phonate hole (10) on the side of described procapsid (1), described phonate hole (10) is away from the field region of described loud speaker (4).
2. the ultra-thin audio cavity structure of one according to claim 1, is characterized in that: between described the first sound chamber support (3) and described pcb board (2), be formed with the rear sound chamber (15) that is positioned at described loud speaker (4) one sides.
3. the ultra-thin audio cavity structure of one according to claim 1, is characterized in that: described connector (11) is set to POGO PIN connector.
4. the ultra-thin audio cavity structure of one according to claim 1, is characterized in that: described the first sound chamber support (3) and described loud speaker (4) arrange by foam (12) and described pcb board (2) sealing respectively.
5. the ultra-thin audio cavity structure of one according to claim 1, is characterized in that: described the first sound chamber support (3) is set to plastic rubber bracket.
6. the ultra-thin audio cavity structure of one according to claim 1, is characterized in that: described the second sound chamber support (6) is set to five metals thin slice support.
7. according to the ultra-thin audio cavity structure of the one described in any one in claim 1～6, it is characterized in that: the below of described procapsid (1) is provided with touch-screen (13), described touch-screen (13) is tightly connected by double faced adhesive tape (14) and described procapsid (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041675.6U CN203691620U (en) | 2014-01-22 | 2014-01-22 | Ultra-thin acoustic cavity structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041675.6U CN203691620U (en) | 2014-01-22 | 2014-01-22 | Ultra-thin acoustic cavity structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691620U true CN203691620U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041675.6U Expired - Fee Related CN203691620U (en) | 2014-01-22 | 2014-01-22 | Ultra-thin acoustic cavity structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691620U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967926A (en) * | 2015-06-16 | 2015-10-07 | 成都西可科技有限公司 | Sealing and sound outputting structure for sound chamber of loudspeaker |
| CN105376680A (en) * | 2015-11-16 | 2016-03-02 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN106101947A (en) * | 2016-06-20 | 2016-11-09 | 广东欧珀移动通信有限公司 | Loudspeaker go out acoustic form and mobile terminal |
| CN106412777A (en) * | 2016-12-07 | 2017-02-15 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN106714047A (en) * | 2016-11-29 | 2017-05-24 | 努比亚技术有限公司 | Sound cavity structure and mobile terminal |
| CN106993250A (en) * | 2017-05-17 | 2017-07-28 | 广东欧珀移动通信有限公司 | Loudspeaker assembly and mobile terminal |
| CN108650345A (en) * | 2018-04-25 | 2018-10-12 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN113674641A (en) * | 2021-08-06 | 2021-11-19 | 上海龙旗科技股份有限公司 | Inverted space avoiding structure and electronic product |
-
2014
- 2014-01-22 CN CN201420041675.6U patent/CN203691620U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967926A (en) * | 2015-06-16 | 2015-10-07 | 成都西可科技有限公司 | Sealing and sound outputting structure for sound chamber of loudspeaker |
| CN104967926B (en) * | 2015-06-16 | 2018-09-11 | 成都西可科技有限公司 | A kind of sealing of loudspeaker sound chamber and go out sound structure |
| CN105376680A (en) * | 2015-11-16 | 2016-03-02 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN105376680B (en) * | 2015-11-16 | 2018-09-21 | 青岛海信移动通信技术股份有限公司 | A kind of mobile terminal |
| CN106101947B (en) * | 2016-06-20 | 2019-01-15 | Oppo广东移动通信有限公司 | Loudspeaker go out acoustic form and mobile terminal |
| CN106101947A (en) * | 2016-06-20 | 2016-11-09 | 广东欧珀移动通信有限公司 | Loudspeaker go out acoustic form and mobile terminal |
| CN106714047A (en) * | 2016-11-29 | 2017-05-24 | 努比亚技术有限公司 | Sound cavity structure and mobile terminal |
| CN106714047B (en) * | 2016-11-29 | 2019-08-30 | 努比亚技术有限公司 | A kind of audio cavity structure and mobile terminal |
| CN106412777B (en) * | 2016-12-07 | 2020-07-31 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN106412777A (en) * | 2016-12-07 | 2017-02-15 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN106993250A (en) * | 2017-05-17 | 2017-07-28 | 广东欧珀移动通信有限公司 | Loudspeaker assembly and mobile terminal |
| CN106993250B (en) * | 2017-05-17 | 2023-01-10 | Oppo广东移动通信有限公司 | Loudspeaker assembly and mobile terminal |
| CN108650345A (en) * | 2018-04-25 | 2018-10-12 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN108650345B (en) * | 2018-04-25 | 2019-09-17 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN113674641A (en) * | 2021-08-06 | 2021-11-19 | 上海龙旗科技股份有限公司 | Inverted space avoiding structure and electronic product |
| CN113674641B (en) * | 2021-08-06 | 2023-05-30 | 上海龙旗科技股份有限公司 | Back-off space avoidance structure and electronic product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| 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: 20140702 |