CN203691576U - Micro stereo - Google Patents
Micro stereo Download PDFInfo
- Publication number
- CN203691576U CN203691576U CN201320884655.0U CN201320884655U CN203691576U CN 203691576 U CN203691576 U CN 203691576U CN 201320884655 U CN201320884655 U CN 201320884655U CN 203691576 U CN203691576 U CN 203691576U
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- CN
- China
- Prior art keywords
- loudspeaker
- annular projection
- miniature acoustics
- mesochite
- shell
- 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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Abstract
The utility model discloses a micro stereo, which comprises a shell, a circuit board fixed inside the shell, a loudspeaker electrically connected to the circuit board and a battery which provides a power supply to the loudspeaker, wherein the shell comprises an upper shell and a lower shell, the shell also comprises a middle shell equipped with a first avoidance hole which places the loudspeaker, a first annular protrusion which surrounds the first avoidance hole is also disposed on the middle shell and a convex sealing ring which seals the first annular protrusion is disposed on the inner wall of the upper shell; and the micro stereo also comprises a sealing bar which is disposed between the sealing ring and the first annular protrusion. The sealing ring seals the loudspeaker inside the micro stereo to form a sealed front voice chamber, a rear voice chamber is formed between the lower shell and the middle shell and the front voice chamber is coordinated with the rear voice chamber, so that resonance effect of mega bass of the loudspeaker is effectively improved and thus tone quality of the micro stereo is increased.
Description
Technical field
The utility model relates to sound equipment field, in particular, relates to a kind of Miniature acoustics.
Background technology
Miniature acoustics is widely used in daily life, generally comprises housing, is fixed on loudspeaker, the circuit board of enclosure interior and the battery that can charge; Housing comprises upper casing and lower casing, and loudspeaker are fixed on upper casing or lower casing inside, and the position corresponding at loudspeaker is provided with sender, only has like this sound chamber in Miniature acoustics, and the resonance effect of loudspeaker is poor, affects the tonequality of Miniature acoustics.
Utility model content
Technical problem to be solved in the utility model is to provide preferably Miniature acoustics of a kind of tonequality.
The purpose of this utility model is achieved through the following technical solutions: a kind of Miniature acoustics, loudspeaker that comprise housing, be fixed on the circuit board of described enclosure interior, are electrically connected with described circuit board and provide the battery of power supply for described loudspeaker, described housing comprises upper casing and lower casing, described housing also comprises and is provided with the mesochite of dodging hole for placing first of described loudspeaker, on described mesochite, be also provided with ring described first and dodge first annular projection in hole, described upper casing inwall is provided with the sealing ring of described the first annular projection of sealing; Described Miniature acoustics also comprises the sealing strip being clipped between described sealing ring and the first annular projection.
Preferably, described upper casing is curved surface shape and increases to centre gradually from both sides.In the case of the floor space of Miniature acoustics is constant, can increase the volume in the front sound chamber between upper casing and mesochite like this, further improve the resonance effect of loudspeaker.
Preferably, described loudspeaker are strip, and the edge of described loudspeaker is provided with outward extending fixed part, are provided with the first screw hole on described fixed part, on described mesochite, be provided with the second screw hole being used in conjunction with described the first screw hole, described loudspeaker are screwed in the first annular projection.Loudspeaker are screwed on mesochite to screw fixation and simple to operate, ease of assembly.
Preferably, be provided with the second annular projection of described the second screw hole of ring on the opposite face of described mesochite and upper casing, described the second annular projection inside is provided with screw thread.The sound mouth of loudspeaker is placed in the space between mesochite and lower casing, is provided with the second annular projection of ring the second screw hole on the opposite face of mesochite and upper casing, can prevent that screw from coming off, and better fixes loudspeaker.
Preferably, the edge of described loudspeaker is provided with and orthogonal the 3rd annular projection of sound mouth, and described the first screw hole is positioned at the corner of described the 3rd annular projection.The 3rd annular projection can play position-limiting action to screw.
Preferably, described loudspeaker are fixed with four screws.With four screws, four turnings of loudspeaker are fixing respectively, fixed effect the best.
Preferably, described sealing strip adopts flexible material and is fixed on the end of described the first annular projection with glue.The easy deformation of flexible material conveniently turns projection by first ring and is stuck in edge sealing circle after fixing with glue again.
Preferably, described sealing strip is foam.This is the concrete material that sealing strip adopts, and can certainly use other materials.
Preferably, the edge of described mesochite is provided with equally distributed sender, and described Miniature acoustics also comprises and the speaker net that covers described sender.This is the particular location that sender arranges on Miniature acoustics.
Preferably, between described upper casing and lower casing, screw is fixed, and is provided with screw and dodges hole on described mesochite.This is the fixing concrete mode of housing, screw fixation and ease of assembly.
The utility model is because sealing ring is sealed in loudspeaker in the front sound chamber that forms sealing in Miniature acoustics, and sound chamber after forming between lower casing and mesochite, Yu Houyin chamber, front sound chamber coordinates, thereby effectively improves the tonequality of the resonance effect raising Miniature acoustics of the supper bass of loudspeaker.
Brief description of the drawings
Fig. 1 is the overall schematic of the Miniature acoustics of the utility model embodiment;
Fig. 2 is the fractionation schematic diagram of the Miniature acoustics of the utility model embodiment;
Fig. 3 is the upper casing schematic internal view of the Miniature acoustics of the utility model embodiment;
Fig. 4 is the loudspeaker schematic diagram of the Miniature acoustics of the utility model embodiment;
Fig. 5 is the mesochite of Miniature acoustics and the schematic diagram of upper casing opposite face of the utility model embodiment;
Fig. 6 is button circuit board, loudspeaker and the button of the Miniature acoustics of the utility model embodiment and the combination schematic diagram of mesochite;
Fig. 7 is the longitudinal sectional view of the Miniature acoustics of the utility model embodiment.
Wherein: 1, upper casing; 11, sealing ring; 12, the 3rd screw hole post; 2, mesochite; 21, first dodge hole; 22, the first annular projection; 23, the second annular projection; 24, second dodge hole; 25, button circuit board fixed mount; 26, screw is dodged hole; 27, button is dodged hole; 28, sender; 3, lower casing; 4, loudspeaker; 41, sound mouth; 42, the first screw hole; 43, the 3rd annular projection; 5, speaker net; 6, battery; 7, main circuit board; 8, button circuit board; 9, button; 100, front sound chamber; 200, rear sound chamber.
Embodiment
A kind of Miniature acoustics, loudspeaker that comprise housing, be fixed on the circuit board of described enclosure interior, are electrically connected with described circuit board and provide the battery of power supply for described loudspeaker, described housing comprises upper casing and lower casing, described housing also comprises and is provided with the mesochite of dodging hole for placing first of described loudspeaker, on described mesochite, be also provided with ring described first and dodge first annular projection in hole, described upper casing inwall is provided with the sealing ring of described the first annular projection of sealing; Described Miniature acoustics also comprises the sealing strip being clipped between described sealing ring and the first annular projection.Sealing ring is sealed in loudspeaker in the front sound chamber of formation sealing in Miniature acoustics, and sound chamber after forming between lower casing and mesochite, Yu Houyin chamber, front sound chamber coordinates, thereby effectively improves the tonequality of the resonance effect raising Miniature acoustics of the supper bass of loudspeaker.
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is described in further detail.
As shown in Fig. 1 to 7, Miniature acoustics entirety is rectangular bread-like, loudspeaker 4 that comprise housing, be fixed on the circuit board of enclosure interior, are electrically connected with circuit board and provide the battery 6 of power supply for loudspeaker 4; Housing comprises upper casing 1, mesochite 2 and lower casing 3, in mesochite 2, be provided with first annular projection 22 of dodging hole 21 and ring first and dodge hole 21 for placing first of loudspeaker 4, the sealing ring 11 that is provided with sealing the first annular projection 22 at the inwall of upper casing 1, Miniature acoustics also comprises the sealing strip (not shown) being clipped between sealing ring 11 and the first annular projection 22.Sealing ring 11 is the vertical projection (seeing 3) of two ring-types, and the first annular projection 22 is stuck in sealing ring 11.Because sealing ring 11 is sealed in loudspeaker 4 in the front sound chamber 100 that forms sealing between upper casing 1 and mesochite 2, and sound chamber 200 after forming between lower casing 3 and mesochite 2, front sound chamber 100 coordinates with rear sound chamber 200, thereby the resonance effect that effectively improves the supper bass of loudspeaker 4 improves the tonequality of Miniature acoustics, sees Fig. 7.
As shown in Figure 3, upper casing 1 is curved surface shape and increases to centre gradually from both sides, in the case of the floor space of Miniature acoustics is constant, can increase the volume in the front sound chamber between upper casing 1 and mesochite 2 like this, further improves the resonance effect of loudspeaker 4.Between housing, be screwed, in upper casing 1, be provided with the 3rd screw hole post 12, in lower casing 3, be provided with the 3rd screw hole coordinating with the 3rd screw hole post; In conjunction with Fig. 5, on mesochite 2, be provided with the 3rd screw hole post and dodge hole 26 with the screw that the 3rd screw hole coordinates.
As described in Figure 4, loudspeaker 4 are strip, and four screws of loudspeaker 4 use are fixed in mesochite.The edge of loudspeaker 4 is provided with outward extending fixed part, is provided with the first screw hole 42 on fixed part, and the edge of loudspeaker 4 is provided with the corner that lays respectively at the 3rd annular projection 34 with orthogonal the 3rd annular projection 43, the first screw holes 42 of sound mouth 41; In conjunction with Fig. 5, on mesochite 2, be provided with the second screw hole coordinating with the first screw hole 42.For the screw that prevents fixing loudspeaker comes off, the second annular projection 22, the second annular projection 22 inside that are provided with ring the second screw hole on the opposite face of mesochite 2 and upper casing 1 are provided with screw thread.
The edge of mesochite 2 is provided with equally distributed sender 28, and sender 28 is block square hole, is distributed in the side of mesochite, and in conjunction with Fig. 2, Miniature acoustics also comprises and cover the speaker net 5 of described sender 28, and speaker net 5 use glue are fixed.
Sealing strip adopts flexible material and is fixed on the end of described the first annular projection with glue.The easy deformation of flexible material conveniently turns projection by first ring and is stuck in edge sealing circle after fixing with glue again.In the present embodiment, sealing strip is foam.This is the concrete material that sealing strip adopts, and can certainly use other materials.
As shown in Figure 2, circuit board comprise main circuit board 7 and and main circuit board between the button circuit board 8 that is electrically connected, main circuit board 7 is fixed in lower casing 3; In conjunction with Fig. 5, a side in mesochite 2 is provided with the button circuit board fixed mount 25 that is used for fixing button circuit board 7, Miniature acoustics also comprises the button 9 for controlling its broadcast state, be provided with button in position corresponding to the button circuit board fixed mount of mesochite 2 and dodge hole 27, button 9 hot melts are fixed on button and dodge on the mesochite 2 of hole 27 correspondences.In order to make full use of the space of enclosure interior, battery 6 is fixed between mesochite 2 and lower casing 3, in mesochite 2, be provided with for second of placing battery 6 and dodge hole 24.
This Miniature acoustics has TF broadcasting, computer is play and radio function, and battery 6 is rechargeable battery; On main circuit board 7, be provided with TF card interface, audio frequency input hole, usb charging inlet, audio frequency delivery outlet and reception antenna.Operation push-button 9 can regulate Miniature acoustics volume, play smoothly and function.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, portion should be considered as belonging to protection range of the present utility model.
Claims (10)
1. a Miniature acoustics, loudspeaker that comprise housing, be fixed on the circuit board of described enclosure interior, are electrically connected with described circuit board and provide the battery of power supply for described loudspeaker, described housing comprises upper casing and lower casing, it is characterized in that, described housing also comprises and is provided with the mesochite of dodging hole for placing first of described loudspeaker, on described mesochite, be also provided with ring described first and dodge first annular projection in hole, described upper casing inwall is provided with the sealing ring of described the first annular projection of sealing; Described Miniature acoustics also comprises the sealing strip being clipped between described sealing ring and the first annular projection.
2. Miniature acoustics as claimed in claim 1, is characterized in that, described upper casing is curved surface shape and increases to centre gradually from both sides.
3. Miniature acoustics as claimed in claim 1, it is characterized in that, described loudspeaker are strip, the edge of described loudspeaker is provided with outward extending fixed part, on described fixed part, be provided with the first screw hole, on described mesochite, be provided with the second screw hole being used in conjunction with described the first screw hole, described loudspeaker are screwed in the first annular projection.
4. Miniature acoustics as claimed in claim 3, is characterized in that, is provided with the second annular projection of described the second screw hole of ring on the opposite face of described mesochite and upper casing, and described the second annular projection inside is provided with screw thread.
5. Miniature acoustics as claimed in claim 4, is characterized in that, the edge of described loudspeaker is provided with and orthogonal the 3rd annular projection of sound mouth, and described the first screw hole is positioned at the corner of described the 3rd annular projection.
6. Miniature acoustics as claimed in claim 5, is characterized in that, described loudspeaker are fixed with four screws.
7. Miniature acoustics as claimed in claim 1, is characterized in that, described sealing strip adopts flexible material and is fixed on the end of described the first annular projection with glue.
8. Miniature acoustics as claimed in claim 6, is characterized in that, described sealing strip is foam.
9. Miniature acoustics as claimed in claim 1, is characterized in that, the edge of described mesochite is provided with equally distributed sender, and described Miniature acoustics also comprises and the speaker net that covers described sender.
10. Miniature acoustics as claimed in claim 1, is characterized in that, between described upper casing and lower casing, screw is fixed, and is provided with screw and dodges hole on described mesochite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884655.0U CN203691576U (en) | 2013-12-30 | 2013-12-30 | Micro stereo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884655.0U CN203691576U (en) | 2013-12-30 | 2013-12-30 | Micro stereo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691576U true CN203691576U (en) | 2014-07-02 |
Family
ID=51013424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884655.0U Expired - Fee Related CN203691576U (en) | 2013-12-30 | 2013-12-30 | Micro stereo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015100671A1 (en) * | 2013-12-30 | 2015-07-09 | 刘骏涛 | Miniature audio electronic |
| WO2015100663A1 (en) * | 2013-12-30 | 2015-07-09 | 刘骏涛 | Miniature audio electronic |
| WO2015100666A1 (en) * | 2013-12-30 | 2015-07-09 | 刘骏涛 | Miniature audio electronic |
-
2013
- 2013-12-30 CN CN201320884655.0U patent/CN203691576U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015100671A1 (en) * | 2013-12-30 | 2015-07-09 | 刘骏涛 | Miniature audio electronic |
| WO2015100663A1 (en) * | 2013-12-30 | 2015-07-09 | 刘骏涛 | Miniature audio electronic |
| WO2015100666A1 (en) * | 2013-12-30 | 2015-07-09 | 刘骏涛 | Miniature audio electronic |
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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: 20140702 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |