CN205213036U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN205213036U CN205213036U CN201520904823.7U CN201520904823U CN205213036U CN 205213036 U CN205213036 U CN 205213036U CN 201520904823 U CN201520904823 U CN 201520904823U CN 205213036 U CN205213036 U CN 205213036U
- Authority
- CN
- China
- Prior art keywords
- loud speaker
- cover plate
- fit
- gap
- side wall
- 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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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a loudspeaker, include: one end open -ended casing, cover in the apron of the opening part of casing, should lap and the casing vacuole formation, and install loudspeaker monomer in the cavity, the loudspeaker monomer includes the magnetism bowl that is close to the apron, the apron is equipped with the through -hole with the position department that the magnetism bowl corresponds, the apron include the first side wall that is close to the cavity and with the relative second lateral wall in the first side wall position, the first side wall and the second lateral wall that the through -hole runs through the apron forms the pore wall of connection the first side wall and second lateral wall, the pore wall extends towards the middle part of through -hole has the baffle, edge that the magnetism bowl is close to one side of apron has a step portion corresponding with the baffle, and baffle part at least covers in step portion, loudspeaker is still including filling the sealing device between baffle and step portion. The utility model discloses among the loudspeaker, the flange of the baffle of apron and magnetism bowl links up each other, has avoided glue to leak and has revealed downtheholely, has improved the yields of loudspeaker production.
Description
Technical field
The utility model relates to electroacoustic transduction field, particularly relates to a kind of loud speaker.
Background technology
Mini-sound device is widely used in the portability electronic equipments such as mobile phone, notebook computer, hearing aids.Along with the fast development of these portability electronic equipments, people are more and more stronger to its Functional Requirement, the mini-sound device be applied thereon is also corresponding to be developed rapidly.People not only require that its stable performance is good, and it is less dexterousr that miniature generating device can do by hope simultaneously.
Current loud speaker comprises magnetic bowl and cover plate, magnetic bowl periphery is smooth, when magnetic bowl needs to expose outside cover plate, through hole on cover plate is exposed magnetic bowl, and hole inwall reserves fit-up gap to magnetic bowl limit, play glue after magnetic bowl and cover plate have assembled at fit-up gap place to seal back cavity.
But said structure exists following defect: fit-up gap place does not protect, play glue when glue operates and likely drain in loud speaker, the core components such as sound film, voice coil loudspeaker voice coil can be polluted further, cause speaker performance bad.
Summary of the invention
The purpose of this utility model is to provide a kind of loud speaker, does not protect with the fit-up gap place solved between the magnetic bowl of loud speaker and cover plate, plays glue when glue operates and likely drains in loud speaker, cause the technical problem that speaker performance is bad.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of loud speaker, comprise: the housing of one end open, be covered in the cover plate on the opening of housing, described cover plate and described housing form cavity, and are arranged on the loudspeaker monomer in described cavity; Described loudspeaker monomer comprises the magnetic bowl near described cover plate; The position that described cover plate is corresponding with described magnetic bowl is provided with through hole;
Described cover plate comprises the first side wall of close described cavity and second sidewall relative with described the first side wall position, and the first side wall that described through hole runs through described cover plate forms with the second sidewall the hole wall being connected described the first side wall and the second sidewall;
Be extended with towards the baffle plate of described through hole along described hole wall;
Described magnetic bowl has the stage portion corresponding with described baffle plate near the edge of the side of cover plate, and described baffle plate covers in described stage portion at least partly.
In loud speaker described in the utility model,
Described loud speaker also comprises the sealing device be filled between described baffle plate and described stage portion.
In loud speaker described in the utility model, between described stage portion and described hole wall, leave the first fit-up gap.
In loud speaker described in the utility model, between described stage portion and described baffle plate, leave the second fit-up gap.
In loud speaker described in the utility model, described first fit-up gap and/or described second fit-up gap are 0.05 ~ 0.2mm.
In loud speaker described in the utility model, described sealing device is fluid sealant.
In loud speaker described in the utility model, in described second fit-up gap, be provided with double-sided tape.
In loud speaker described in the utility model, described baffle plate is provided with chamfering near the edge of described magnetic bowl.
The beneficial effects of the utility model are: in the utility model loud speaker, the baffle plate of cover plate is connected mutually with the stage portion of magnetic bowl, fluid sealant can not be revealed by fit-up gap, avoiding glue drains in loud speaker, cause glue to pollute the problem of the core components such as sound film, voice coil loudspeaker voice coil, improve the yields that loud speaker is produced.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is a kind of schematic perspective view of loud speaker of embodiment;
Fig. 2 is the decomposing schematic representation of loud speaker embodiment illustrated in fig. 1;
Fig. 3 for loud speaker shown in Fig. 1 along A-A to cross-sectional schematic;
The P portion enlarged diagram that Fig. 4 is loud speaker shown in Fig. 2;
The shell that Fig. 5 is loud speaker shown in Fig. 1 is along the cutaway view in A-A direction.
In accompanying drawing, the list of parts representated by each label is as follows:
1, housing; 10, cavity; 2, cover plate; 2A, the first side wall; 2B, the second sidewall; 2C, sidewall; 20, through hole; 21, baffle plate; 22, chamfering; 3, loudspeaker monomer, 30, leak holes, 31, frame, 32, magnetic bowl, 33, vibrating diaphragm, 34, voice coil loudspeaker voice coil, 35, magnet, 36, stage portion; 5, the first fit-up gap; 6, the second fit-up gap.
Embodiment
The embodiment recorded at this is specific embodiment of the present utility model, for illustration of design of the present utility model, is all explanatory and exemplary, should not be construed as the restriction to the utility model execution mode and the utility model scope.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and specification, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
The accompanying drawing of this specification is schematic diagram, and aid illustration design of the present utility model schematically shows shape and the correlation thereof of each several part.Note that the structure of each parts for the ease of clearly showing the utility model embodiment, not according to identical scale between each accompanying drawing.Identical reference marker is for representing identical part.
Fig. 1-5 illustrates the loadspeaker structure schematic diagram of a kind of embodiment of the utility model, and this loud speaker comprises: the housing 1 with openend, and lid is located at cover plate 2 of raising one's voice, and described cover plate 2 is covered in the opening part of housing 1; This cover plate 2 forms cavity 10 with housing 1 openend and housing 1, is provided with loudspeaker monomer 3 in cavity 10.Loudspeaker monomer 3 comprises frame 31, and the vibrational system be arranged in frame 31 and magnetic circuit system.As shown in Figure 3, vibrational system comprises the vibrating diaphragm 33 be fixed in described frame 31, drives the voice coil loudspeaker voice coil 34 of described vibrating diaphragm 33 vibration sounding.Described magnetic circuit system comprises magnet 35 and lid is located at the magnetic bowl 32 of magnet away from vibrating diaphragm 33 1 side external surface.Leak 30 is formed between frame 31 and above-mentioned magnetic circuit system.The position that described cover plate 2 is corresponding with magnetic bowl 32 is provided with through hole 20 (see Fig. 2), and during assembling, cover plate 2 lid is located on leak 30.
As shown in figures 2 and 5, described cover plate 2 comprises the first side wall 2A and the second sidewall 2B relative with the first side wall 2A position, the first side wall 22 that described through hole 20 runs through described cover plate 2 forms with the second sidewall 23 the hole wall 2C being connected told the first side wall and the second sidewall, surrounds the cavity 10 receiving loudspeaker monomer between cover plate 2 and housing 1.
As shown in Figure 4, described hole wall 2C place has the baffle plate 21 extended in the middle part of through hole 20, described magnetic bowl 32 has the stage portion 36 corresponding with baffle plate 21 near a lateral edges of cover plate, coordinating between baffle plate 21 with stage portion 36 forms mutual buckle type structure, the first fit-up gap 5 is left between stage portion 36 and hole wall 2C, leave the second fit-up gap 6 between stage portion 36 and baffle plate 21, the width of above-mentioned first fit-up gap 5 and the second fit-up gap 6 can be 0.05-0.2mm.Preferably, the first fit-up gap is 0.1mm, and the second fit-up gap 6 is 0.05mm.During assembling; fluid sealant is coated with as sealing device in the second fit-up gap 6; simultaneously because the mutual buckle type between stage portion 36 with baffle plate 21 coordinates; expand the space of storage fluid sealant; especially when using liquid sealant; extend the flow path of fluid sealant, effectively can prevent fluid sealant from flowing in loudspeaker monomer 3 and pollute and infringement, and then the loudspeaker monomer 3 in available protecting loud speaker.In addition, during assembling, first can attach double-sided tape in the first fit-up gap 5, then in the second fit-up gap 6 coating liquid fluid sealant, effectively avoid fluid sealant to flow in loudspeaker monomer 3.
The loud speaker of the utility model above-described embodiment is when assembling, loudspeaker monomer 3 is fixed in described housing 1, then cover plate 2 to be arranged on described housing 1 and to make magnetic bowl 32 expose outside cover plate 2, finally with baffle plate described in sealant sealing 21 and stage portion 36.When utilizing fluid sealant to seal, because baffle plate 21 is connected mutually with stage portion 36, fluid sealant can not be revealed by fit-up gap, avoids glue and drains in leak holes, causes glue to pollute the problem of the core components such as sound film, voice coil loudspeaker voice coil.
Improve further the loud speaker of the utility model above-described embodiment, baffle plate 21 forms outward-dipping chamfering 22 near the outer ledge of magnetic bowl 32, and chamfering 22 is more conducive to fluid sealant and flows into above-mentioned fit-up gap.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the utility model.
Claims (8)
1. a loud speaker, comprising: the housing of one end open, is covered in the cover plate on the opening of housing, and described cover plate and described housing form cavity, and are arranged on the loudspeaker monomer in described cavity; Described loudspeaker monomer comprises the magnetic bowl near described cover plate; The position that described cover plate is corresponding with described magnetic bowl is provided with through hole, it is characterized in that:
Described cover plate comprises the first side wall of close described cavity and second sidewall relative with described the first side wall position, and the first side wall that described through hole runs through described cover plate forms with the second sidewall the hole wall being connected described the first side wall and the second sidewall;
Be extended with towards the baffle plate of described through hole along described hole wall;
Described magnetic bowl has the stage portion corresponding with described baffle plate near the edge of the side of cover plate, and described baffle plate covers in described stage portion at least partly.
2. loud speaker according to claim 1, is characterized in that, described loud speaker also comprises the sealing device be filled between described baffle plate and described stage portion.
3. loud speaker according to claim 2, is characterized in that, leaves the first fit-up gap between described stage portion and described hole wall.
4. loud speaker according to claim 3, is characterized in that, leaves the second fit-up gap between described stage portion and described baffle plate.
5. loud speaker according to claim 4, is characterized in that, described first fit-up gap and/or described second fit-up gap are 0.05 ~ 0.2mm.
6. loud speaker according to claim 4, is characterized in that, described sealing device is fluid sealant.
7. loud speaker according to claim 4, is characterized in that, is provided with double-sided tape in described second fit-up gap.
8. the loud speaker according to any one of claim 1-7, is characterized in that, described baffle plate is provided with chamfering near the outer ledge of described magnetic bowl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520904823.7U CN205213036U (en) | 2015-11-12 | 2015-11-12 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520904823.7U CN205213036U (en) | 2015-11-12 | 2015-11-12 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205213036U true CN205213036U (en) | 2016-05-04 |
Family
ID=55850721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520904823.7U Expired - Fee Related CN205213036U (en) | 2015-11-12 | 2015-11-12 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205213036U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018218766A1 (en) * | 2017-05-31 | 2018-12-06 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| WO2021042403A1 (en) * | 2019-09-06 | 2021-03-11 | 瑞声声学科技(深圳)有限公司 | Loudspeaker structure, and electronic apparatus applying same |
-
2015
- 2015-11-12 CN CN201520904823.7U patent/CN205213036U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018218766A1 (en) * | 2017-05-31 | 2018-12-06 | 歌尔股份有限公司 | Loudspeaker module and electronic device |
| WO2021042403A1 (en) * | 2019-09-06 | 2021-03-11 | 瑞声声学科技(深圳)有限公司 | Loudspeaker structure, and electronic apparatus applying same |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211112 |