CN202261699U - Sound box - Google Patents
Sound box Download PDFInfo
- Publication number
- CN202261699U CN202261699U CN2011202778550U CN201120277855U CN202261699U CN 202261699 U CN202261699 U CN 202261699U CN 2011202778550 U CN2011202778550 U CN 2011202778550U CN 201120277855 U CN201120277855 U CN 201120277855U CN 202261699 U CN202261699 U CN 202261699U
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- Prior art keywords
- cavity
- openend
- base
- audio amplifier
- circuit board
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Abstract
The utility model discloses a sound box, which comprises a top shell, a speaker, a chamber and a base, the speaker is arranged in the top shell, the chamber comprises a first open end, a second open end and a cavity, the first open end and the second open end are located on both ends of the cavity, the cavity is connected between the first open end and the second open end, the first open end is connected with the back of the speaker, and the second open end is fixed in the base. The chamber is made of elastic material, and can be stretched along the directions of the first open end and the second open end, the outer surface of the chamber is provided with an external thread structure, the sound box also comprises a threaded ring, which is screwed on the base, and the inner surface of the threaded ring is provided with an internal thread structure which is engaged with the external thread structure of the outer surface of the chamber. By rotating the threaded ring, the chamber which is engaged with the threaded ring can be compressed or stretched to any length, and thereby the volume of the cavity of the chamber is changed in order to obtain different sound effects.
Description
Technical field
The utility model relates to audio amplifier equipment, relates in particular to a kind of audio amplifier.
Background technology
Along with the progress of science and technology, the kind of audio amplifier equipment also is with rapid changepl. never-ending changes and improvements.Various portable loudspeaker box equipment are constantly weeded out the old and bring forth the new.At present, though portable loudspeaker box can satisfy the needs that people carry, the tone color of audio amplifier can not be adjusted according to individual's hobby.
The utility model content
The utility model embodiment technical problem to be solved is; A kind of audio amplifier is provided; Comprise upper casing, loud speaker, cavity and base, said loud speaker is contained in the said upper casing, and said cavity comprises first openend, second openend and cavity; Said first openend and second openend are positioned at said cavity two ends; Said cavity is communicated between said first openend and second openend, and said first openend is connected in the back side of said loud speaker, and said second openend is fixed in the said base.Said cavity adopts elastomeric material to process; Can be flexible along the direction of said first openend and second openend; The outer surface of said cavity is provided with external thread structure; Said audio amplifier also comprises threaded collar, and said threaded collar is rotationally connected with on the said base, and said threaded collar inner surface is provided with the female thread structure that is meshed with the external thread structure of said chamber outer surface.
Wherein, said audio amplifier comprises mesochite, and said mesochite is fixed on the said base, and between said upper casing and base, said mesochite is sheathed on the said cavity outside, accommodates the said cavity of compression.
Said cavity inner surface is provided with the helical structure that extends from first openend to second openend.
Said base comprises baffle plate and sound guide tube; Said baffle plate is fixed in the said base, and said baffle plate comprises first surface and the second surface that is oppositely arranged, and second openend of said cavity is posted by on the said first surface; Be provided with on the said baffle plate one run through said first surface and second surface voice guide hole; Said voice guide hole is connected with said second openend, and said base is provided with a paraphase hole, and said sound guide tube is communicated with said voice guide hole and said paraphase hole.
Said base comprises circuit board, and said circuit board is fixed in the said base, and said baffle plate is fixed on the said circuit board, and said sound guide tube is arranged between said baffle plate and the circuit board.
Said base comprises one first beam, and said first beam is processed by elastomeric material, and said first beam is held between said baffle plate and the circuit board.
Said base comprises rechargeable battery, and said rechargeable battery is contained in the said base, fixing USB charging inlet on the said circuit board, and said USB charging inlet and said rechargeable battery electrically connect.
Said circuit board is fixed on the said rechargeable battery, and said audio amplifier comprises one second beam, and said second beam is processed by elastomeric material, and said second beam is held between said circuit board and the said rechargeable battery.
Said base comprises audio jack and the audio connecting cord that is connected with said audio jack, and said base is provided with an accepting groove, and said audio jack is contained in the said accepting groove, and said audio connecting cord is contained in the said base.
Said audio amplifier comprises elastic component, and said elastic component is contained in the said cavity, and the two ends of said elastic component are individually fixed in first openend and second openend of said cavity.
In the embodiment of the utility model, through the rotary threaded ring, can make the cavity that is meshed with said threaded collar by the compression of random length or extended, thereby the volume of cavity that changes said cavity is to obtain different tamber effects.
In addition, when audio amplifier does not use, can also said cavity be compressed in mesochite or the base, reduce the volume of said audio amplifier, make said audio amplifier be easy to carry.Because said cavity and said threaded collar are screw-threaded engagement, so have the performance of self-locking, need not the flexible state that extra card and structure keep said cavity.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the decomposing schematic representation of the audio amplifier that provides of the utility model.
Fig. 2 is the combination sketch map of the audio amplifier that provides of the utility model.
Fig. 3 is the contraction sketch map of the audio amplifier that provides of the utility model.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
In the embodiment of the utility model, through the rotary threaded ring, can make the cavity that is meshed with said threaded collar by the compression of random length or extended, thereby the volume of cavity that changes said cavity is to obtain different tamber effects.
Please consult Fig. 1 and Fig. 2 in the lump, be a kind of audio amplifier 100 that the utility model provides, said audio amplifier 100 comprises outer cover 10, upper casing 20, loud speaker 30, cavity 40, elastic component 50, threaded collar 60, mesochite 70 and base 80.
Said outer cover 10 is fixed in said upper casing 20 1 ends.Offer a plurality of bellmouth orifices on the said outer cover 10.Said loud speaker 30 is contained in the other end of said upper casing 20.The front 31 of said loud speaker 30 is towards said outer cover 10, and the cone front of promptly said loud speaker 30 is towards said outer cover 10.The back side 32 of said loud speaker 30 is fixed on the said cavity 40, and the cone back side of said loud speaker 30 is fixed on the said cavity 40.Certainly, in other embodiments, said outer cover 10 also can omit or be made of one structure with said upper casing 20.
Said cavity 40 comprises first openend 41, second openend 42 and cavity 43.Said first openend 41 and second openend 42 are positioned at said cavity 40 two ends; Said cavity 43 is communicated between said first openend 41 and second openend 42; Said first openend 41 is connected in the back side of said loud speaker 30, and said second openend 42 is fixed in the said base 80.Said cavity 40 is processed by elastomeric material, can be flexible along the direction of said first openend 41 and second openend 42, and the outer surface of said cavity 40 is processed with external thread structure 40a.The inner surface of said cavity 40 is processed with the helical structure that extends from first openend, 41 to second openends 42.In the present embodiment, the inner surface of said cavity 40 also is processed with the female thread structure 40b opposite with the external thread structure 40a of said cavity 40 outer surfaces.Said cavity 40 adopts bellows structure.Said female thread structure 40b makes the sound rotation produce stereo carryover effects, can make the stack of sound phase place to strengthen bass effect.Certainly, in other embodiments, the inner surface of said cavity 40 is machining internal thread structure 40b not also.
Said elastic component 50 is contained in the said cavity 40, and the two ends 51 of said elastic component 50 are individually fixed in first openend 41 and second openend 42 of said cavity 40.In the present embodiment, said elastic component 50 is springs.Certainly, in other embodiments, said elastic component 50 also can be a reed.Said elastic component 50 also can be installed in said cavity 40 outsides.
Said threaded collar 60 is rotationally connected with on the said base 80.In the present embodiment, said mesochite 70 1 ends 71 are fixed on the said base 80, and the other end 72 is processed with flange 72a, and said threaded collar 60 1 ends 61 are processed with the cannelure 61a that matches with said flange 72a.Said threaded collar 60 is rotationally connected with on the said mesochite 70.Certainly, in other embodiments, also can omit said mesochite 70, directly on said base 80, process flange.Be processed with the female thread structure 62a that is meshed with the external thread structure 40a of said chamber outer surface on the inner surface of the other end 62 of said threaded collar 60.Through rotating said threaded collar 60, make the said cavity 40 of rubber-like in engagement process, be compressed or discharge.When said cavity 40 when stretching out, bass effect strengthens.
In the present embodiment, said mesochite 70 is sheathed on said cavity 40 outsides, accommodates said cavity 40 in said threaded collar 60 and second openend, 42 compressed parts.Certainly, in other embodiments, also can omit said mesochite 70 or said mesochite 70 is made of one structure with said base 80, thereby make said cavity 40 compressed parts be contained in the said base 80.
Said base 80 comprises drain pan 81, baffle plate 82, sound guide tube 83, circuit board 84, first beam 85, rechargeable battery 86, second beam 87 and audio jack 88.
Said baffle plate 82, sound guide tube 83, circuit board 84, first beam 85, rechargeable battery 86, second beam 87 are contained in the said drain pan 81.Said baffle plate 82 comprises first surface 82a and the second surface 82b that is oppositely arranged, and second openend 42 of said cavity 40 is posted by on the said first surface 82a, and said second surface 82b is fixed on the said circuit board 84 through said first beam 85.Offer on the said baffle plate 82 one run through said first surface 82a and second surface 82b voice guide hole 82c, said drain pan 81 is offered paraphase hole 81a.Said sound guide tube 83 is fixed on the second surface 82b of said baffle plate 82, and said sound guide tube 83 is communicated with said voice guide hole 82c and said paraphase hole 81a.Said loud speaker 10, cavity 40 and paraphase hole 81a resonance are below 200HZ, and said audio amplifier 100 basses are strong and powerful.
Said rechargeable battery 86 is fixed in said drain pan 81 bottoms, and said drain pan 81 is offered an accepting groove 81b, and said audio jack 88 is contained in the said accepting groove 81b.Said audio jack 88 is connected with said circuit board 84 through audio connecting cord 88a, and said audio connecting cord 88a is curled in the said drain pan 81, and can when said audio jack 88 is pulled out, extract out from said accepting groove 81b.Said circuit board 84 is fixed on the said rechargeable battery 86 through said second beam 87.Be integrated with the electronic component (not drawing among the figure) that makes said audio amplifier 100 work on the said circuit board 84.Switch 84a, earphone socket 84b and USB charging inlet 84c also are installed on the said circuit board 84.Said earphone socket 84b is the 3.5MM earphone socket.Said switch 84a is used to control the switching of said audio amplifier 100.Said USB charging inlet 84c and said rechargeable battery 86 electrically connect.Said first beam 85 and said second beam 87 all adopt ethylene-vinyl acetate copolymer, are used to reduce the vibrations between the two elements, reduce noise.
See also Fig. 3, in the embodiment of the utility model,, can make the cavity that is meshed with said threaded collar by the compression of random length or extended, thereby the volume of cavity that changes said cavity is to obtain different tamber effects through the rotary threaded ring.
In addition, when audio amplifier does not use, can also said cavity be compressed in mesochite or the base, reduce the volume of said audio amplifier, make said audio amplifier be easy to carry.Because said cavity and said threaded collar are screw-threaded engagement, so have the performance of self-locking, need not the flexible state that extra card and structure keep said cavity.
Said female thread structure makes the sound rotation produce stereo carryover effects, can make the stack of sound phase place to strengthen bass effect.
Above disclosedly be merely a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, the equivalent variations of therefore being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. an audio amplifier comprises upper casing, loud speaker, cavity and base, and said loud speaker is contained in the said upper casing; Said cavity comprises first openend, second openend and cavity, and said first openend and second openend are positioned at said cavity two ends, and said cavity is communicated between said first openend and second openend; Said first openend is connected in the back side of said loud speaker, and said second openend is fixed in the said base, it is characterized in that; Said cavity adopts elastomeric material to process; Can be flexible along the direction of said first openend and second openend, the outer surface of said cavity is provided with external thread structure, and said audio amplifier also comprises threaded collar; Said threaded collar is rotationally connected with on the said base, and said threaded collar inner surface is provided with the female thread structure that is meshed with the external thread structure of said chamber outer surface.
2. audio amplifier as claimed in claim 1 is characterized in that said audio amplifier comprises mesochite, and said mesochite is fixed on the said base, and between said upper casing and base, said mesochite is sheathed on the said cavity outside, accommodates the said cavity of compression.
3. audio amplifier as claimed in claim 1 is characterized in that, said cavity inner surface is provided with the helical structure that extends from first openend to second openend.
4. audio amplifier as claimed in claim 1; It is characterized in that said base comprises baffle plate and sound guide tube, said baffle plate is fixed in the said base; Said baffle plate comprises first surface and the second surface that is oppositely arranged; Second openend of said cavity is posted by on the said first surface, be provided with on the said baffle plate one run through said first surface and second surface voice guide hole, said voice guide hole is connected with said second openend; Said base is provided with a paraphase hole, and said sound guide tube is communicated with said voice guide hole and said paraphase hole.
5. audio amplifier as claimed in claim 1 is characterized in that said base comprises circuit board, and said circuit board is fixed in the said base, and said baffle plate is fixed on the said circuit board, and said sound guide tube is arranged between said baffle plate and the circuit board.
6. audio amplifier as claimed in claim 5 is characterized in that, said base comprises one first beam, and said first beam is processed by elastomeric material, and said first beam is held between said baffle plate and the circuit board.
7. audio amplifier as claimed in claim 5 is characterized in that said base comprises rechargeable battery, and said rechargeable battery is contained in the said base, fixing USB charging inlet on the said circuit board, and said USB charging inlet and said rechargeable battery electrically connect.
8. audio amplifier as claimed in claim 7; It is characterized in that said circuit board is fixed on the said rechargeable battery, said audio amplifier comprises one second beam; Said second beam is processed by elastomeric material, and said second beam is held between said circuit board and the said rechargeable battery.
9. audio amplifier as claimed in claim 1; It is characterized in that said base comprises audio jack and the audio connecting cord that is connected with said audio jack, said base is provided with an accepting groove; Said audio jack is contained in the said accepting groove, and said audio connecting cord is contained in the said base.
10. audio amplifier as claimed in claim 1 is characterized in that said audio amplifier comprises elastic component, and said elastic component is contained in the said cavity, and the two ends of said elastic component are individually fixed in first openend and second openend of said cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202778550U CN202261699U (en) | 2011-08-02 | 2011-08-02 | Sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202778550U CN202261699U (en) | 2011-08-02 | 2011-08-02 | Sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202261699U true CN202261699U (en) | 2012-05-30 |
Family
ID=46122875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202778550U Expired - Fee Related CN202261699U (en) | 2011-08-02 | 2011-08-02 | Sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202261699U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596077A (en) * | 2012-08-15 | 2014-02-19 | 刘骏涛 | Miniature sound box provided with telescopic resonance cavity |
| CN103596074A (en) * | 2012-08-15 | 2014-02-19 | 刘骏涛 | Mini sound box with telescoping resonance chamber |
| CN103596083A (en) * | 2012-08-17 | 2014-02-19 | 刘骏涛 | Miniature sound box with telescopic resonance cavity |
| CN104135696A (en) * | 2014-06-30 | 2014-11-05 | 苏州井利电子股份有限公司 | Shock absorption seat for sound box equipment |
| CN104953332A (en) * | 2015-07-03 | 2015-09-30 | 鲁奎 | Multifunctional socket |
| CN104966933A (en) * | 2015-07-03 | 2015-10-07 | 鲁奎 | Safety socket |
| CN109089181A (en) * | 2018-09-14 | 2018-12-25 | 深圳市奋达科技股份有限公司 | A kind of the bottom case mould group and speaker of speaker |
| CN109688509A (en) * | 2019-01-28 | 2019-04-26 | 徐效景 | Baffle Box of Bluetooth |
-
2011
- 2011-08-02 CN CN2011202778550U patent/CN202261699U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596077A (en) * | 2012-08-15 | 2014-02-19 | 刘骏涛 | Miniature sound box provided with telescopic resonance cavity |
| CN103596074A (en) * | 2012-08-15 | 2014-02-19 | 刘骏涛 | Mini sound box with telescoping resonance chamber |
| WO2014026363A1 (en) * | 2012-08-15 | 2014-02-20 | Liu Juntao | Miniature sound box with telescopic resonance cavity |
| CN103596083A (en) * | 2012-08-17 | 2014-02-19 | 刘骏涛 | Miniature sound box with telescopic resonance cavity |
| CN103596083B (en) * | 2012-08-17 | 2017-08-11 | 广州佳比亚电子科技有限公司 | A kind of miniature loudspeaker box with telescopic resonance cavity |
| CN104135696A (en) * | 2014-06-30 | 2014-11-05 | 苏州井利电子股份有限公司 | Shock absorption seat for sound box equipment |
| CN104953332A (en) * | 2015-07-03 | 2015-09-30 | 鲁奎 | Multifunctional socket |
| CN104966933A (en) * | 2015-07-03 | 2015-10-07 | 鲁奎 | Safety socket |
| CN109089181A (en) * | 2018-09-14 | 2018-12-25 | 深圳市奋达科技股份有限公司 | A kind of the bottom case mould group and speaker of speaker |
| CN109089181B (en) * | 2018-09-14 | 2024-04-02 | 深圳市奋达科技股份有限公司 | Bottom shell module and sound box of sound box |
| CN109688509A (en) * | 2019-01-28 | 2019-04-26 | 徐效景 | Baffle Box of Bluetooth |
| CN109688509B (en) * | 2019-01-28 | 2020-06-26 | 广州市精鑫音箱电子有限公司 | Bluetooth sound box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140802 |
|
| EXPY | Termination of patent right or utility model |