CN206413186U - Sound-producing device - Google Patents
Sound-producing device Download PDFInfo
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- CN206413186U CN206413186U CN201621493120.0U CN201621493120U CN206413186U CN 206413186 U CN206413186 U CN 206413186U CN 201621493120 U CN201621493120 U CN 201621493120U CN 206413186 U CN206413186 U CN 206413186U
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- Prior art keywords
- sound
- producing device
- upper casing
- fixed part
- voice coil
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Abstract
The utility model is related to a kind of sound-producing device.The sound-producing device includes vibration component, main casing and plastics upper casing, the vibration component includes vibrating diaphragm and voice coil loudspeaker voice coil, the vibrating diaphragm has fixed part and vibration section, the fixed part is connected to the periphery of the vibration section in a ring, there is opening on the plastics upper casing, the plastics upper casing is connected from the side of the vibrating diaphragm with the fixed part hot-melting sealed, the vibration section is corresponding with the aperture position, the opposite side of the voice coil loudspeaker voice coil from the vibrating diaphragm is fixedly connected on the vibration section, the vibration component is fixedly connected with the main casing so that the voice coil loudspeaker voice coil is located in the main casing.The technical problem that the utility model is solved is how to improve the water resistance of sound-producing device.
Description
Technical field
The utility model belongs to electroacoustic transduction technical field.Specifically, the utility model is related to a kind of sound-producing device.
Background technology
In recent years, electronic product is quickly grown, and tablet personal computer, smart mobile phone are required as people's daily life
Product.The update speed of electronic product is fast, and the performance of product is gradually lifted.In order to improve the reliability of electronic product, make production
Product adapt to various use environments, those skilled in the art attempt waterproof, it is shockproof in terms of improve the performance of electronic product.
In electronic product, sound-producing device is important part, for the conversion between voice signal and sound.For electricity
The water resistance requirement of sub- product, sound-producing device is also required to carry out corresponding water-proofing treatment.In the prior art, art technology
Personnel are generally sealed by the way of glue bonding to sound-producing device, sound-producing device is had certain water resistance.But,
The reliability of this water-proofing treatment is relatively low, and glue has the risk of ageing failure.In some embodiments, glue is arranged on hair
On the vibrating diaphragm of acoustic device, because glue and the pliable of vibrating diaphragm have differences, vibration of membrane of shaking is likely to cause the cracking of glue,
Waterproof failure can be caused.
So, the water-proofing treatment reliability to sound-producing device is poor in the prior art, it is necessary to the structure of sound-producing device
New water-proofing treatment mode is improved or proposed, the waterproof reliability of sound-producing device is improved.
Utility model content
A purpose of the present utility model is to provide a kind of improved sound-producing device.
According to one side of the present utility model, there is provided a kind of sound-producing device, including vibration component, main casing and plastics
Upper casing, the vibration component includes vibrating diaphragm and voice coil loudspeaker voice coil, and the vibrating diaphragm has fixed part and vibration section, and the fixed part connects in a ring
Being connected on the periphery of the vibration section, the plastics upper casing has opening, and the plastics upper casing is from the side of the vibrating diaphragm and institute
The connection of fixed part hot-melting sealed is stated, the vibration section is corresponding with the aperture position, opposite side of the voice coil loudspeaker voice coil from the vibrating diaphragm
It is fixedly connected on the vibration section, the vibration component is fixedly connected with the main casing so that the voice coil loudspeaker voice coil is located at the master
In housing.
Alternatively, the plastics upper casing has circular table, and the circular table is corresponding with the position of the fixed part, institute
Fixed part is stated to be connected with circular table formation hot-melting sealed.
Alternatively, the region contacted on the fixed part with the circular table is all heated with circular table formation
It is tightly connected.
Alternatively, the vibration section includes ring portion and central part, and the ring portion is connected with the fixed part, it is described in
Center portion is located on the inside of the ring portion, and the voice coil loudspeaker voice coil is fixedly connected on the central part.
Alternatively, plastics composite bed, the plastics composite bed and the central part hot-melting sealed are covered with the central part
Connection.
Alternatively, the plastics upper casing is connected with the fixed part by laser welding formation hot-melting sealed.
Alternatively, the sound-producing device is sound-producing device monomer, and the plastics upper casing and the vibrating diaphragm are fastened on the master
On housing.
Alternatively, the sound-producing device is sound-producing device module, and the fixed part hot-melting sealed of the vibrating diaphragm is connected to described
On the inner surface of plastics upper casing, the main casing is fixedly connected with the inner surface of the plastics upper casing.
Alternatively, the material of the plastics upper casing is one kind in makrolon, polyamide, high temperature resistant nylon resin.
Alternatively, the material of vibrating diaphragm is one kind in polyether-ether-ketone, silicon rubber, thermoplastic polyurethane.
One of the present utility model is had technical effect that, the fixed part is connected with the plastics upper casing hot-melting sealed, tool
There is good water resistance.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for constituting a part for specification describes embodiment of the present utility model, and uses together with the description
In explanation principle of the present utility model.
Fig. 1 is the part explosive view for the sound-producing device that a kind of embodiment of the utility model is provided；
Fig. 2 is the assembling schematic diagram of vibrating diaphragm and plastics upper casing that the utility model is provided；
Fig. 3 is the side sectional view after the vibrating diaphragm that the utility model is provided is assembled with plastics upper casing；
Fig. 4 is Fig. 3 partial enlarged drawing.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：Unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is not limited
Make scope of the present utility model.
The description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
New and its application or any limitation used.
It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
The utility model provides a kind of sound-producing device, as shown in figure 1, the sound-producing device includes vibration component, main casing
With plastics upper casing, main casing and plastics the upper casing combination constitutes the space for accommodating vibration component.It can also be wrapped in sound-producing device
Include and be arranged on the part such as main casing and magnetic circuit system, circuit board in plastics upper casing, the utility model is not limited this.
As shown in Figure 1, 2, the vibration component includes vibrating diaphragm 21 and voice coil loudspeaker voice coil 22, and the vibrating diaphragm 21 has the He of fixed part 211
Vibration section 212.The vibration section 212 is the main region of the vibrating diaphragm 21, for producing vibration and sound.The fixed part
211 are located at the periphery of the vibration section 212, and the fixed part 211 is connected to the outside of the vibration section 212 in a ring.It is described
Plastics upper casing 3 is connected from the side of the vibrating diaphragm 21 with the hot-melting sealed of fixed part 211, and this hot-melting sealed connection is by institute
State fixed part 211 and/or plastics upper casing 3 subregion melt at high temperature after solidify being fixedly connected for formation again.Hot melt is close
Envelope connection makes the fixed part 211 be merged with plastic casing, forms good sealing effectiveness, effectively improves water resistance
And reliability.It is difficult to separate between fixed part 211 and plastic casing.There is opening 31, the opening 31 on the plastics upper casing 3
Position with the vibration section 212 is corresponding.
The voice coil loudspeaker voice coil 22 is arranged on the opposite side that the vibrating diaphragm 21 is not connected with plastics upper casing 3, and the voice coil loudspeaker voice coil 22, which is fixed, to be connected
It is connected on the vibration section 212.Further, the vibration component is fixedly connected with the main casing 1, is located at the voice coil loudspeaker voice coil
In the main casing 1.Because the plastics upper casing is fixedly connected with the vibration component, thus the plastics upper casing also with it is described
What main casing formation was fastened is fixedly connected with form.Between being fixedly connected between the vibration component and the main casing can also be
The type of attachment connect, the plastics upper casing can be directly fixedly connected with the main casing, and the vibrating diaphragm passes through on the plastics
Shell is fixedly connected with the main casing.The parts such as above-mentioned magnetic circuit system, circuit board can be arranged in the main casing.
In electronic product complete machine, the opening 31 on plastics upper casing 3 is typically directly in communication with the outside, the vibrating diaphragm 21 and modeling
The hot-melting sealed connection formed between material upper casing 3 can prevent liquid from entering by opening 31 between plastics upper casing 3 and vibrating diaphragm 21
Enter to inside electronic product.The sealing of this water-proofing treatment is good, and the subregion due to plastics upper casing and fixed part
Heat together, so being less prone to the situation of cracking, good reliability.
Alternatively, as in Figure 2-4, on the plastics upper casing 3 can have circular table 32, the circular table 32 with
The position of the fixed part 211 is corresponding, and the shape and size of circular table 32 are also basically identical with the fixed part 211.Institute
Circular table 32 is stated to be configured to be connected with the fixed part 211 formation hot-melting sealed.Marked off on the plastics upper casing 3 individually
The circular table 32 connected for hot-melting sealed can improve the reliability of connection, can also avoid other areas of plastics upper casing 3
Area deformation.
In embodiment of the present utility model, the hot-melt adhesive paste technique of the fixed part and plastics upper casing can be adopted
In various manners, the utility model is not limited this.For example, in one embodiment, can be using laser scanning weldering
Both modes connect carry out hot-melt adhesive paste.Alternatively, the width of the fixed part and circular table is more than what laser scanning was welded
Spot diameter, scanning welding operation can only carry out a lap welding and connect, then one can be formed on the fixed part and circular table
Fixed part and circular table on the hot-melting sealed connecting line that luminous point is inswept, the only line form hot-melting sealed connection.Or,
In other embodiments, scanning welding operation can carry out multi-turn welding, by the complete of fixed part and circular table joint
Portion region is just scanned, and the Zone Full that both contact all forms hot-melting sealed connection.Above two hot-melting sealed connection side
Formula can be selected according to the actual seal request of product.It can also be reached using other hot-melt adhesive paste processing technologys above-mentioned
Two kinds of different connection forms.
As shown in Figure 2,3, the vibration section 212 can include ring portion and central part, and the centre shakes in described
The central area of film 21, the ring portion be located at the central part periphery, the ring portion by the central part with it is described solid
Determine portion 211 to connect.The ring portion is in the membrane structure of bending, and under the working condition of sound-producing device, the ring portion mainly rises
To the effect of bending deformation.
Alternatively, as shown in figure 3, can be covered with plastics composite bed 4,4 pairs of the plastics composite bed on the central part
The central part plays the rigid effect of raising.In some embodiments, the central part has the region of part hollow out.For
This piece void region is avoided to there is leakage risk, the plastics composite bed 4 can be connected with the central part hot-melting sealed.Modeling
Material composite bed 4 is combined into one with central part hot melt, prevents liquid from entering main casing 1 or electronic product from void region
It is internal.
, there are different application modes in the sound-producing device provided for the utility model, the utility model is not carried out to this
Limitation.For example, the sound-producing device can be sound-producing device monomer, the size basic one of the plastics upper casing and the main casing
Cause, the plastics upper casing and vibrating diaphragm are together fastened on the main casing, form a sound-producing device monomer.Magnetic circuit system and electricity
The parts such as road plate can also be arranged in the main casing.
In another embodiment, the sound-producing device can also be sound-producing device module, and the plastics upper casing is hair
The upper casing of acoustic device module, the fixed part hot-melting sealed of the vibrating diaphragm is connected on the inner surface of the plastics upper casing.The master
Housing is directly or indirectly fixedly connected with the inner surface of the plastics upper casing.Module can also include lower casing, the lower casing and institute
State upper casing fasten to be formed after the acoustic construction such as the operatic tunes, the part such as circuit board can be arranged directly on lower casing with upper casing.
For the plastics upper casing and the material of vibrating diaphragm, the utility model the following provides some optional materials, below
Good hot-melting sealed connection can be realized by stating the fixed part of plastics upper casing that material is made and vibrating diaphragm, and both can heat into one
Body structure.The plastics upper casing can be by makrolon (PC), polyamide (PA), high temperature resistant nylon resin (HTN), poly- adjacent benzene two
The materials such as formamide (PPA), polybutylene terephthalate (PBT) (PBT), ABS plastic resin are made.The vibrating diaphragm can be by gathering
Ether ether ketone (PEEK), silicon rubber, thermoplastic polyurethane (TPU), thermoplastic elastomer (TPE) (TPE), PEN
(PEN), the material such as PEI (PEI), polyimides (PI) is made.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that above example is merely to illustrate, rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case where not departing from scope and spirit of the present utility model, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (10)
1. a kind of sound-producing device, it is characterised in that including vibration component, main casing (1) and plastics upper casing (3), the vibration group
Part includes vibrating diaphragm (21) and voice coil loudspeaker voice coil (22), and the vibrating diaphragm (21) has fixed part (211) and vibration section (212), the fixed part
(211) being connected in a ring on the periphery of the vibration section (212), the plastics upper casing (3) has opening (31), the plastics
Upper casing (3) is connected from the side of the vibrating diaphragm (21) with the fixed part (211) hot-melting sealed, the vibration section (212) and institute
Opening (31) position correspondence is stated, the voice coil loudspeaker voice coil (22) is fixedly connected on the vibration section from the opposite side of the vibrating diaphragm (21)
(212) on, the vibration component is fixedly connected with the main casing (1) so that the voice coil loudspeaker voice coil (22) is located at the main casing (1)
It is interior.
2. sound-producing device according to claim 1, it is characterised in that the plastics upper casing (3) has circular table (32),
The circular table (32) is corresponding with the position of the fixed part (211), the fixed part (211) and the circular table (32)
Form hot-melting sealed connection.
3. sound-producing device according to claim 2, it is characterised in that with the circular table on the fixed part (211)
(32) region of contact is all connected with the circular table (32) formation hot-melting sealed.
4. sound-producing device according to claim 1, it is characterised in that the vibration section (212) includes ring Bu He centers
Portion, the ring portion is connected with the fixed part (211), and the centre is on the inside of the ring portion, the voice coil loudspeaker voice coil (22)
It is fixedly connected on the central part.
5. sound-producing device according to claim 4, it is characterised in that plastics composite bed (4), institute are covered with the central part
Plastics composite bed (4) is stated to be connected with the central part hot-melting sealed.
6. sound-producing device according to claim 1, it is characterised in that the plastics upper casing (3) and the fixed part (211)
Connected by laser welding formation hot-melting sealed.
7. sound-producing device according to claim 1, it is characterised in that the sound-producing device is sound-producing device monomer, described
Plastics upper casing (3) and the vibrating diaphragm (21) are fastened on the main casing (1).
8. sound-producing device according to claim 1, it is characterised in that the sound-producing device is sound-producing device module, described
Fixed part (211) hot-melting sealed of vibrating diaphragm (21) is connected on the inner surface of the plastics upper casing (3), the main casing (1) with
The inner surface of the plastics upper casing (3) is fixedly connected.
9. sound-producing device according to claim 1, it is characterised in that the material of the plastics upper casing (3) be makrolon,
One kind in polyamide, high temperature resistant nylon resin HTN.
10. sound-producing device according to claim 1, it is characterised in that the material of vibrating diaphragm (21) is polyether-ether-ketone, silicon rubber
One kind in glue, thermoplastic polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493120.0U CN206413186U (en) | 2016-12-29 | 2016-12-29 | Sound-producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493120.0U CN206413186U (en) | 2016-12-29 | 2016-12-29 | Sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206413186U true CN206413186U (en) | 2017-08-15 |
Family
ID=59551886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621493120.0U Active CN206413186U (en) | 2016-12-29 | 2016-12-29 | Sound-producing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206413186U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783356A (en) * | 2017-11-23 | 2018-03-09 | 广东弘景光电科技股份有限公司 | Waterproof camera module with heat-dissipating casing |
| WO2021093338A1 (en) * | 2019-11-12 | 2021-05-20 | 歌尔股份有限公司 | Miniature sound-generating device and electronic product |
| WO2021093339A1 (en) * | 2019-11-12 | 2021-05-20 | 歌尔股份有限公司 | Miniature sound production device and electronic product |
| CN114501249A (en) * | 2021-12-31 | 2022-05-13 | 歌尔股份有限公司 | Sound production device and electronic equipment |
-
2016
- 2016-12-29 CN CN201621493120.0U patent/CN206413186U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783356A (en) * | 2017-11-23 | 2018-03-09 | 广东弘景光电科技股份有限公司 | Waterproof camera module with heat-dissipating casing |
| WO2021093338A1 (en) * | 2019-11-12 | 2021-05-20 | 歌尔股份有限公司 | Miniature sound-generating device and electronic product |
| WO2021093339A1 (en) * | 2019-11-12 | 2021-05-20 | 歌尔股份有限公司 | Miniature sound production device and electronic product |
| CN112866884A (en) * | 2019-11-12 | 2021-05-28 | 歌尔股份有限公司 | Miniature sound generating device and electronic product |
| CN114501249A (en) * | 2021-12-31 | 2022-05-13 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114501249B (en) * | 2021-12-31 | 2024-02-09 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
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