CN202310076U - Miniature loudspeaker - Google Patents
Miniature loudspeaker Download PDFInfo
- Publication number
- CN202310076U CN202310076U CN 201120330544 CN201120330544U CN202310076U CN 202310076 U CN202310076 U CN 202310076U CN 201120330544 CN201120330544 CN 201120330544 CN 201120330544 U CN201120330544 U CN 201120330544U CN 202310076 U CN202310076 U CN 202310076U
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- CN
- China
- Prior art keywords
- cover plate
- lower cover
- groove
- projection
- basin
- 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 - Lifetime
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Abstract
The utility model discloses a miniature loudspeaker comprising a lower cover plate, an upper cover plate, an accommodating cavity, a basin stand and a sounding monomer, wherein, the upper cover plate is connected with the lower cover plate in a covering way; the accommodating cavity is composed of the upper cover plate and the lower cover plate; the basin stand is arranged in the accommodating cavity; the sounding monomer comprises a vibrating system and a magnetic circuit system; and the lower cover plate is provided with a first groove, the basin stand is provided with a first convex block accommodated in the first groove, and glue is filled between the first groove and the first convex block so as to realize seal fit. Compared with the prior art, the miniature loudspeaker has the advantage that the seal glue cannot leak outwards after the first groove and the first convex block are sealed by using the glue.
Description
[technical field]
The utility model relates to a kind of miniature electro-acoustic device, relates in particular to a kind of Microspeaker.
[background technology]
Along with the fast development of electronic information technology, increasing electronics applications arrives loud speaker as its sounding parts, for example mobile phone, notebook computer etc.Nowadays, people not only require loud speaker to develop, have good acoustical behavior to microminiaturization, and the cosmetic look of Microspeaker is had higher requirement.People require Microspeaker now behind the process glue sealing, and sealing glue can not leak outside.
Existing Microspeaker is provided with cover plate and magnetic circuit system.Cover plate is provided with the accepting hole that exposes magnetic circuit system.Magnetic circuit system places in the cover plate accepting hole, and the size of magnetic circuit system so be provided with the gap between magnetic circuit system and the cover plate, is beaten glue sealing less than accepting hole in the gap.Obviously do not reach people's requirement.
Therefore, being necessary to propose a new technical scheme solves above-mentioned defective in fact.
[utility model content]
The purpose of the utility model provides a kind of Microspeaker that glue does not leak outside that seals.
The purpose of the utility model is achieved in that
A kind of Microspeaker; The upper cover plate that it comprises lower cover, connect with said lower cover lid, accommodate cavity, place said basin frame and sounding monomer of accommodating in the cavity by what said upper cover plate and lower cover were formed jointly; Said sounding monomer involving vibrations system and magnetic circuit system; Said basin set up upper surface, with upper surface opposing lower surface and inwall that is connected upper surface, lower surface and outer wall; Inwall by the basin frame surrounds the through hole of accommodating magnetic circuit system, and said lower cover is provided with first groove, and said basin sets up first projection that extends to lower cover from upper surface; Said first projection is contained in first groove, is filled with glue between the two in order to be sealed and matched.
Preferably, said lower cover is provided with the accepting hole that exposes magnetic circuit system, and lower cover also is provided with the barricade that extends to upper cover plate between first groove and accepting hole.
Preferably, said upper cover plate is provided with second groove, and said basin sets up second projection that extends to upper cover plate from lower surface, and said second projection is contained in second groove.
Preferably, said basin has set up from inwall to extended the 3rd projection of through hole, and said magnetic circuit system is provided with protuberance, and this protuberance part at least is folded between lower cover and the 3rd projection, and is connected to the inwall of basin frame.
Preferably, said upper cover plate is provided with the guide vane end stop that extends butt basin frame outer wall to lower cover.
The utlity model has following advantage: the disclosed a kind of Microspeaker of the utility model; The upper cover plate that it comprises lower cover, connect with said lower cover lid, accommodate cavity, place said basin frame and sounding monomer of accommodating in the cavity by what said upper cover plate and lower cover were formed jointly; Said sounding monomer involving vibrations system and magnetic circuit system; Said lower cover is provided with first groove; Said basin has set up first projection, and said first projection is contained in first groove, is filled with glue between the two in order to be sealed and matched.Compare with existing correlation technique, the utility model is behind glue sealing, and sealing glue does not leak outside.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of the utility model Microspeaker;
Fig. 2 is the stereogram of the utility model Microspeaker;
Fig. 3 is the cutaway view along the III-III line shown in Figure 2;
Fig. 4 is the A part enlarged drawing of Fig. 3;
Fig. 5 is the magnetic circuit system stereogram of the utility model Microspeaker;
Fig. 6 is the basin frame sketch map of the utility model Microspeaker;
Fig. 7 is another visual angle sketch map of basin frame of the utility model Microspeaker.
[embodiment]
Below in conjunction with accompanying drawing, the Microspeaker of the utility model is elaborated.
As shown in Figure 1, be the utility model Microspeaker 100, it comprises upper cover plate 1, vibrational system 23, magnetic circuit system 456 and basin frame 7 that lower cover 8 and lower cover 8 connect.Lower cover 8 is provided with the accepting hole 80 that exposes magnetic circuit system 456, and basin frame 7 is provided with conducting strip 70.
Said magnetic circuit system 456 comprises pole piece 40, main magnet steel 50, secondary magnet steel 51, upper plate 41, lower plate 6.Said pole piece 40 has identical profile with main magnet steel 50 and is connected to form one with glue between the two.Said lower plate 6 is provided with the circular lower surface (not label) of rounded upper surface 60, corresponding rounded upper surface 60, connects the arcwall face 61 of said rounded upper surface 60 and circular lower surface.Said main magnet steel 50 is circular and littler than lower plate 6, and main magnet steel 50 usefulness glue are attached at the center of the rounded upper surface 60 of lower plate 6.Secondary magnet steel 51 is the circular magnet of hollow, and blended rubber water is attached on the rounded upper surface 60 of lower plate 6 and is concentric with main magnet steel 50.Said upper plate 41 is provided with through hole 410, and upper plate 41 has identical size with lower plate 6.With reference to Fig. 5, said magnetic circuit system 456 is provided with magnetic gap 9.Upper plate 41 usefulness glue lids is connected on the secondary magnet steel 51, such the effect that upper plate 41 has played fixed joint magnet steel 51 is set, and upper plate 41 has played the effect of magnetic conduction simultaneously.Secondary magnet steel 51 is provided with the protuberance 510 that is in upper plate 41 and lower plate 6 outsides.Protuberance 510 be provided with upper surface 5101 near upper plate 41, with upper surface 5101 opposing lower surface (not label), connect the side 5100 of upper surface 5101 and lower surface.
As shown in figures 1 and 3, said vibrational system 23 comprises vibrating diaphragm 2 and voice coil loudspeaker voice coil 3.Said vibrating diaphragm 2 links to each other with voice coil loudspeaker voice coil 3.Vibrating diaphragm 2 is provided with ball top 211, ring portion 210 and the edge part 212 that is connected with ring portion 210.Said voice coil loudspeaker voice coil 3 one ends are bonded in the ring portion 210 of vibrating diaphragm 2, and voice coil loudspeaker voice coil 3 other ends are suspended in the said magnetic gap 9.Because vibrating diaphragm 2 links to each other with voice coil loudspeaker voice coil 3, when voice coil loudspeaker voice coil 3 vibrations, voice coil loudspeaker voice coil 3 can drive vibrating diaphragm 2 and together vibrate.
Like Fig. 6 and Fig. 7, said basin frame 7 be provided with upper surface 701, with upper surface 701 opposing lower surface 702 and inwall that is connected upper surface 701, lower surface 702 704 and outer wall 703, surround the through hole 700 of accommodating magnetic circuit system 456 by the inwall 704 of basin frame 7.Basin frame 7 is provided with first projection 71 that extends to lower cover 8 from upper surface 701, from second projection 72 of lower surface 702 to upper cover plate 1 extension, from three projection 73 of inwall 704 to through hole 700 extensions.Lower cover 8 is provided with first groove 81, and lower cover 8 is provided with the barricade 82 that between first groove 81 and accepting hole 80, extends to upper cover plate 1 simultaneously.Barricade 82 has played the effect of isolating glue.Said upper cover plate 1 is provided with second groove 11, and upper cover plate 1 is provided with the guide vane end stop 12 that extends the outer wall 703 of butt basin frame 7 to lower cover 8.
As shown in Figure 4, the edge part 212 of said vibrating diaphragm 2 is folded between upper cover plate 1 and the basin frame 7 fixing.Said first projection 71 is contained in said first groove 81, and the protuberance 510 of said secondary magnet steel 51 part at least is folded between lower cover 8 and the 3rd projection 73, and is connected to the inwall 704 of basin frame 7.In this execution mode; The upper surface 5101 of the protuberance 510 of said secondary magnet steel 51 is connected to the 3rd projection 73; The side 5100 of protuberance 510 is connected to the inwall 704 of basin frame 7, and the lower surface of protuberance 510 is connected to lower cover 8, has played effect fixing and spacing magnetic circuit system 456 like this.Simultaneously, said second projection 72 is contained in said second groove 11, and upper cover plate 1 is provided with the guide vane end stop 12 that extends the outer wall 703 of butt basin frame 7 to lower cover 8, has played effect fixing and spacing basin frame 7 like this.
The solution that the utility model proposes be said basin frame 7 be provided with upper surface 701, with upper surface 701 opposing lower surface 702 and inwall that is connected upper surface 701, lower surface 702 704 and outer wall 703; Inwall 703 by basin frame 7 surrounds the through hole 700 of accommodating magnetic circuit system; Said lower cover 8 is provided with first groove 81; Said basin frame 7 is provided with first projection 71 that extends to lower cover 8 from upper surface 701; Said first projection 71 is contained in first groove 81, is filled with glue 81a between the two in order to be sealed and matched.Compare with existing correlation technique, the utility model is behind glue sealing, and sealing glue does not leak outside.
Preferably, lower cover 8 is provided with the barricade 82 that between first groove 81 and accepting hole 80, extends to upper cover plate 1, has better isolated glue.
What need explanation in addition is: the gap among Fig. 4 between secondary magnet steel 51 and the basin frame 7, and exaggerative drafting has been done in the gap between gap between secondary magnet steel 51 and the lower cover 8 and basin frame 7 and the upper cover plate 1, and purpose is in order more clearly to describe the position relation between them.
Above-described only is the execution mode of the utility model; Should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the utility model creation design; Can also make improvement, but these all belong to the protection range of the utility model.
Claims (5)
1. Microspeaker; The upper cover plate that it comprises lower cover, connect with said lower cover lid, accommodate cavity, place said basin frame and sounding monomer of accommodating in the cavity by what said upper cover plate and lower cover were formed jointly; Said sounding monomer involving vibrations system and magnetic circuit system; Said basin set up upper surface, with upper surface opposing lower surface and inwall that is connected upper surface, lower surface and outer wall; Inwall by the basin frame surrounds the through hole of accommodating magnetic circuit system, it is characterized in that: said lower cover is provided with first groove, and said basin sets up first projection that extends to lower cover from upper surface; Said first projection is contained in first groove, is filled with glue between the two in order to be sealed and matched.
2. Microspeaker according to claim 1 is characterized in that: said lower cover is provided with the accepting hole that exposes magnetic circuit system, and lower cover also is provided with the barricade that extends to upper cover plate between first groove and accepting hole.
3. Microspeaker according to claim 1 is characterized in that: said upper cover plate is provided with second groove, and said basin sets up second projection that extends to upper cover plate from lower surface, and said second projection is contained in second groove.
4. Microspeaker according to claim 1; It is characterized in that: said basin has set up from inwall to extended the 3rd projection of through hole; Said magnetic circuit system is provided with protuberance, and this protuberance part at least is folded between lower cover and the 3rd projection, and is connected to the inwall of basin frame.
5. Microspeaker according to claim 1 is characterized in that: said upper cover plate is provided with the guide vane end stop that extends butt basin frame outer wall to lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120330544 CN202310076U (en) | 2011-09-05 | 2011-09-05 | Miniature loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120330544 CN202310076U (en) | 2011-09-05 | 2011-09-05 | Miniature loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202310076U true CN202310076U (en) | 2012-07-04 |
Family
ID=46378883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120330544 Expired - Lifetime CN202310076U (en) | 2011-09-05 | 2011-09-05 | Miniature loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202310076U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096221A (en) * | 2013-01-31 | 2013-05-08 | 美特科技(苏州)有限公司 | Laser welding speaker |
| CN104105035A (en) * | 2014-07-22 | 2014-10-15 | 慈溪市奇炳电子有限公司 | Novel high pitch driving head good in heat dissipation |
| CN106231507A (en) * | 2016-08-26 | 2016-12-14 | 广东欧珀移动通信有限公司 | A kind of vibrating diaphragm, speaker, sound chamber assembly and terminal |
| CN109348374A (en) * | 2018-10-26 | 2019-02-15 | 歌尔股份有限公司 | A kind of loudspeaker |
-
2011
- 2011-09-05 CN CN 201120330544 patent/CN202310076U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096221A (en) * | 2013-01-31 | 2013-05-08 | 美特科技(苏州)有限公司 | Laser welding speaker |
| CN104105035A (en) * | 2014-07-22 | 2014-10-15 | 慈溪市奇炳电子有限公司 | Novel high pitch driving head good in heat dissipation |
| CN104105035B (en) * | 2014-07-22 | 2018-10-09 | 慈溪市奇炳电子有限公司 | A kind of high pitch driving head |
| CN106231507A (en) * | 2016-08-26 | 2016-12-14 | 广东欧珀移动通信有限公司 | A kind of vibrating diaphragm, speaker, sound chamber assembly and terminal |
| CN109348374A (en) * | 2018-10-26 | 2019-02-15 | 歌尔股份有限公司 | A kind of loudspeaker |
| WO2020082996A1 (en) * | 2018-10-26 | 2020-04-30 | 歌尔股份有限公司 | Loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170509 Address after: Singapore Ang Mo Kio 65 Street No. 10 pass Co-patentee after: AAC Acoustic Technologies (Changzhou) Co., Ltd. Patentee after: AAC Technologies (Singapore) Co., Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd. Patentee before: AAC Acoustic Technologies (Changzhou) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |