CN207304913U - Set of half mould sets formula sound-producing device and electronic product - Google Patents
Set of half mould sets formula sound-producing device and electronic product Download PDFInfo
- Publication number
- CN207304913U CN207304913U CN201721286868.8U CN201721286868U CN207304913U CN 207304913 U CN207304913 U CN 207304913U CN 201721286868 U CN201721286868 U CN 201721286868U CN 207304913 U CN207304913 U CN 207304913U
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- CN
- China
- Prior art keywords
- sound
- producing device
- half mould
- mould sets
- absorbing
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- Withdrawn - After Issue
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Abstract
It the utility model is related to a kind of set of half mould sets formula sound-producing device and electronic product.The set of half mould sets formula sound-producing device includes：Set of half mould sets housing, the set of half mould sets housing have open receiving area, and the receiving area is divided into sound-absorbing area and core space；Sound-producing device component, the sound-producing device component are arranged in the core space；Sound-absorbing material, entrant sound packaging part and acoustical cotton, the sound-absorbing material are arranged in the sound-absorbing area, and the entrant sound packaging part lid is located in the sound-absorbing area, and sound-absorbing material is enclosed in sound-absorbing area, and the acoustical cotton lid is located in the entrant sound packaging part and sound-absorbing area；The set of half mould sets formula sound-producing device is configured to be fastened on external equipment, so that the receiving area forms the operatic tunes of closing, the sound that the sound-producing device component is configured as producing on rear side of vibrating diaphragm at work can reach sound-absorbing area.One of the utility model has the technical effect that the structural reliability for improving set of half mould sets formula sound-producing device.
Description
Technical field
The utility model belongs to sound-producing device technical field, specifically, the utility model is related to a kind of set of half mould sets formula sounding
Device and electronic product.
Background technology
Sound-producing device module is the important acoustical device of consumer electronics product, and it is in sound that it, which is used for electric signal conversion,.
Consumer electronics product is quickly grown in recent years, since consumer electronics product has lightening design on complete machine structure
Development trend, so the size dimension and structural requirement to its each device are also further harsh., should for sound-producing device module
Reduce size, ensure acoustical behavior again.
In order to achieve the above object, the mode of those skilled in the art's generally use module casing injection stalloy, is improved
The space of module inner chamber body.Further, sound-absorbing material is filled in module, to improve acoustical behavior.Existing sound-absorbing material
Particle has the function that good improvement acoustical behavior, but for the more demanding of application conditions, it is necessary to keep dry, nothing
The environmental requirements such as dirt, non-volatility organic gas.
Set of half mould sets sound-producing device in order to further reduce sound-producing device in electronic product the space occupied and design
Sound-producing device structure, its own complete assembling after have exposed cavity body structure, it is necessary to ability shape after electronic product final assembly
Into closed cavity.In this case, there are contaminated risk for sound-absorbing material particle.Moreover, in set of half mould sets sound-producing device
After being assembled to electronic product complete machine, there is also poorly sealed, the risk of gas leakage, and it is also possible to influence the property of sound-absorbing material particle
Energy.
Thus, it is necessary to be improved to the structure of set of half mould sets sound-producing device, reduce what sound-absorbing material particle was contaminated
Risk.
Utility model content
One purpose of the utility model is to provide a kind of improved set of half mould sets formula sound-producing device.
One side according to the present utility model, there is provided a kind of set of half mould sets formula sound-producing device, including：
Set of half mould sets housing, the set of half mould sets housing have open receiving area, and the receiving area is divided into sound-absorbing area and core
Heart district；
Sound-producing device component, the sound-producing device component are arranged in the core space；
Sound-absorbing material, entrant sound packaging part and acoustical cotton, the sound-absorbing material are arranged in the sound-absorbing area, the entrant sound envelope
Piece installing lid is located in the sound-absorbing area, and sound-absorbing material is enclosed in sound-absorbing area, and the acoustical cotton lid is located at the entrant sound encapsulation
On part and sound-absorbing area；
The set of half mould sets formula sound-producing device is configured to be fastened on external equipment, so that the receiving area forms closing
The operatic tunes, the sound that the sound-producing device component is configured as producing on rear side of vibrating diaphragm at work can reach sound-absorbing area.
Alternatively, the edge of the end face of the receiving area is provided with annular spring washer, and the annular spring washer is configured as
When set of half mould sets formula sound-producing device is fastened on external equipment, the annular spring washer is contacted and compressed with external equipment.
Alternatively, the apical side height of the acoustical cotton is more than the apical side height of the annular spring washer, the acoustical cotton by with
It is set to when set of half mould sets formula sound-producing device is fastened on external equipment, the acoustical cotton is contacted and compressed with external equipment.
Alternatively, the sound-absorbing material is non-foamed sound-absorbing material particle.
Alternatively, the entrant sound packaging part is ventilative screen cloth or woven wire.
Alternatively, the ventilative screen cloth is arranged in the sound-absorbing area by way of heating pressing or bonding.
Alternatively, enclosure wall portion is integrally extended on the inner wall of the set of half mould sets housing, the enclosure wall portion is described around being formed
Sound-absorbing area.
Alternatively, the acoustical cotton is fixedly connected by sound-absorbing area described in bonding agent or double faced adhesive tape and/or entrant sound packaging part.
Alternatively, the thickness range of the acoustical cotton is 0.5-1.0mm.
The utility model additionally provides a kind of electronic product, including product complete machine and above-mentioned set of half mould sets formula sound-producing device, institute
Stating product complete machine has complete machine housing, and the set of half mould sets formula sound-producing device is fastened on the inner surface of the complete machine housing, described
The receiving area is closed to form the operatic tunes by the inner surface of complete machine housing.
One of the utility model has technical effect that the entrant sound packaging part and acoustical cotton can play sound-absorbing material
Good protective effect, reduces the contaminated risk of sound-absorbing material.
By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will be made apparent from.
Brief description of the drawings
The attached drawing of a part for constitution instruction describes the embodiment of the utility model, and uses together with the description
In the principle for explaining the utility model.
Fig. 1 is the side cross sectional views of set of half mould sets formula sound-producing device provided by the utility model；
Fig. 2 is the side, sectional signal that set of half mould sets formula sound-producing device provided by the utility model is fastened on external equipment
Figure.
Embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should be noted that：It is unless another
Illustrate outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions 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 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 attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
The utility model provides a kind of set of half mould sets formula sound-producing device, as shown in Figure 1, including set of half mould sets housing 1, hair
Acoustic device component 2 and sound-absorbing material 31, entrant sound packaging part and acoustical cotton 32.The set of half mould sets housing 1 is used to carry sounding dress
The other components put, it is divided into sound-absorbing area 11 and core space 12 with open receiving area 10, the receiving area 10.It is described
Sound-producing device component 2 is arranged in the core space 12, and the sound-producing device component 2 can produce sound at work, it shakes
Sound on rear side of film can be delivered in sound-absorbing area 11 from core space 12.The set of half mould sets housing 1 also has outlet sound mouth, sounding dress
Free surrounding space can be reached by outlet sound mouth by putting the sound produced on front side of 2 vibrating diaphragm of component.
The sound-absorbing material 31 is arranged in the sound-absorbing area 11, the entrant sound packaging part then this be located at the sound-absorbing area 11
The position of upper shed, so that the sound-absorbing material 31 is encapsulated in sound-absorbing area 11.Resistance of the sound-absorbing material 31 in entrant sound packaging part
Every under effect, will not be leaked out from the sound-absorbing area 11.Further, the acoustical cotton 32 covers again is located at the entrant sound packaging part
In sound-absorbing area 11.On the one hand, the acoustical cotton can play sound-absorbing material every protective effects such as wet, dust-separations, reduce sound-absorbing
The contaminated possibility of material, and then improve the reliability of new material；On the other hand, outside the sound-absorbing area, namely accommodating
In the open space in area, the acoustical cotton can further function as sound-absorbing, fictitious expansion sound-producing device chamber volume, improve sounding
The effect of device acoustical behavior.
The set of half mould sets formula sound-producing device of the utility model, which is configured to be fastened on the external electricals such as mobile phone, tablet computer, to be set
It is standby upper, the operatic tunes for making receiving area form closing is coordinated with external equipment.In sound-producing device component energization work, on rear side of its vibrating diaphragm
The sound of generation can be reached in sound-absorbing area by the operatic tunes through acoustical cotton and entrant sound packaging part, is changed so that sound-absorbing material plays
The effect of kind acoustical behavior.
Further, in the prior art, set of half mould sets formula sound-producing device will not be directly assembled to electronics after the completion of assembling
In product complete machine.It is therefore desirable to carry out sealing protection, or it is stored in the environment of dry, dustless, non-volatility gas, with
Prevent sound-absorbing material to be contaminated and influence acoustical behavior.A kind of protected mode of the prior art is in set of half mould sets formula sound-producing device
Unlimited part attachment protective film.Tear when set of half mould sets formula sound-producing device is assembled on electronic product, then by protective film.But
It is, when tearing protective film off：On the one hand there is a situation where to remain on set of half mould sets formula sound-producing device and do not tear protective film off completely；It is another
Aspect, if the open section of set of half mould sets formula sound-producing device is provided with annular spring washer or other seal members, the removing of protective film
Operation is possible to that annular spring washer is caused to damage.Protective film is usually fixed on by way of bonding on annular spring washer, so,
Easily tear annular spring washer is related or local failure when removing.Above-mentioned both sides defect can all cause set of half mould sets formula sound-producing device
Occurs the problem of performances such as poor sealing, gas leakage are bad after being arranged in electronic product complete machine.It can cause to send out under serious situation
Acoustic device fails.
And the set of half mould sets formula sound-producing device of the utility model protects sound-absorbing material using acoustical cotton, can replace existing
There is the protective film in technology, without attaching protective film again.To sound-producing device or seal member when also avoiding to tear protective film off
Harmful effect caused by possible.Moreover, the cost of acoustical cotton is less than the cost of protective film, set of half mould sets formula sounding can be effectively reduced
The R＆D costs of device.
In a preferred embodiment, as shown in Figure 1, being used to fasten with external equipment in the set of half mould sets housing 1
Position, be usually receiving area 10 end face edge, be provided with annular spring washer 4.The annular spring washer 4 is along receiving area 10
End face edge extension, formed one circle pad.When set of half mould sets formula sound-producing device is fastened on external equipment, the annular spring washer
4 can contact with external equipment.Annular spring washer 4 has certain deformability, can pass through double of module type sound-producing device and outside
The extruding of equipment, makes annular spring washer 4 deform, so as to improve the leakproofness for the operatic tunes that receiving area 10 is formed with external equipment.
Anti- leak-stopping sound, is also possible to prevent liquid, dust is entered in the operatic tunes., can also in the utility model others embodiment
Annular spring washer is not used, but set of half mould sets housing seal is fixed on external equipment for example, by other manners such as sweat solderings
On, the utility model is limited not to this.
In the embodiment shown in figure 1, the top surface of acoustical cotton 32 is less than the top surface of annular spring washer 4.Still optionally further,
In the other embodiment for being configured with annular spring washer 4, the height of the top surface of the acoustical cotton 32 can be higher than the annular elastomeric
The height of the top surface of pad 4.This configuration is the protective effect in order to further improve acoustical cotton 32 to sound-absorbing material 31.Work as half module
When group formula sound-producing device is fastened on external equipment, due to the height higher of acoustical cotton 32, so acoustical cotton 32 can also be squeezed
Pressure is acted on and deformed, and the density rising of acoustical cotton 32, aperture reduce, so as to more effectively prevent liquid or dust from invading sound-absorbing area
11。
Preferably, the sound-absorbing material can be non-foamed sound-absorbing material, the non-foamed sound-absorbing material by zeolite, without aluminium
The materials such as silicate are made, it has fine and closely woven pore passage structure on microcosmic, can effectively play and expand Virtual Space, improvement sound
Learn the effect of performance.And non-foamed sound-absorbing material is easier to be polluted be subject to hydrone, organic molecule or dust, so needing this
The acoustical cotton and entrant sound packaging part that utility model provides are protected.
Preferably, the entrant sound packaging part is ventilative screen cloth.The ventilative screen cloth is made of fibrous material, has fine and closely woven
Gap, can extend there through sound, air.Also, sound-absorbing material can be effectively encapsulated in sound-absorbing area by ventilative screen cloth,
Sound-absorbing material is avoided to be leaked out from sound-absorbing area.The ventilative screen cloth has good pliability, when set of half mould sets formula sound-producing device is sent out
When sound collides, ventilative screen cloth can also protect sound-absorbing material, avoid sound-absorbing material from being hit and damage.In other embodiment
In, the entrant sound packaging part can also use the materials such as woven wire to be made, and the utility model is limited not to this.Wire
The hole of net is larger, and sound is delivered in sound-absorbing area more easily by woven wire.
The ventilative screen cloth lid can be located in the sound-absorbing area by way of hot-melting and injection-molding.By hot-melting and injection-molding, thoroughly
The edge of gas screen cloth can be embedded in the set of half mould sets housing of sound-absorbing area edge, and closure and connection reliability are high.But this practicality
New be not intended to limit must use this connection mode, can also use be adhesively fixed, the connection mode such as mechanical snap.
Alternatively, the acoustical cotton can be adhesively fixed on the sound-absorbing area of set of half mould sets housing by bonding agent or double faced adhesive tape
On.As shown in Figure 1, the edge and the side edge in sound-absorbing area 11 of the acoustical cotton 32 touch, can be in the position coating being in contact
Bonding agent, realizes the connection that is adhesively fixed.Further, since 11 upper cover of sound-absorbing area is equipped with entrant sound packaging part, so the sound-absorbing
Cotton can also form bonding connection relation between the entrant sound packaging part.For example, the edge of acoustical cotton and entrant sound packaging part glues
Fixation is connect, central area is not coated by bonding agent, so that sound can be smoothly passed over described in acoustical cotton and the entrance of entrant sound packaging part
Sound-absorbing area.
In the set of half mould sets formula sound-producing device of about 3 millimeters of integral thickness, the thickness range of the acoustical cotton is preferably in 0.5-
1.0 millimeter.On the one hand the thickness of acoustical cotton can effectively play the effect of protection sound-absorbing material, the opposing party in the range of this
Face can effectively play the role of sound-absorbing in receiving area, expand virtual volume.
The utility model additionally provides a kind of electronic product, which can be mobile phone, tablet computer, intelligent watch
Deng the utility model is limited not to this.The electronic product includes product complete machine and above-mentioned set of half mould sets formula sound-producing device.It is described
Product complete machine has complete machine housing 5, as shown in Fig. 2, the set of half mould sets formula sound-producing device is fastened in the complete machine housing 5
On inner surface.The receiving area that set of half mould sets housing 1 is formed forms the operatic tunes of base closed under the sealing process of complete machine housing 5
51, the sound-absorbing area 11 is located in the operatic tunes 51.The operatic tunes 51 is used to carry out the Acoustic treatments such as bass to sound, for improving sound
Audio fruit.Sound can be delivered in the above-mentioned operatic tunes 51 and sound-absorbing area from core space.
Although some specific embodiments of the utility model are described in detail by example, this area
It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
- A kind of 1. set of half mould sets formula sound-producing device, it is characterised in that including：Set of half mould sets housing, the set of half mould sets housing have open receiving area, and the receiving area is divided into sound-absorbing area and core space；Sound-producing device component, the sound-producing device component are arranged in the core space；Sound-absorbing material, entrant sound packaging part and acoustical cotton, the sound-absorbing material are arranged in the sound-absorbing area, the entrant sound packaging part Lid be located in the sound-absorbing area, sound-absorbing material is enclosed in sound-absorbing area, the acoustical cotton lid be located at the entrant sound packaging part and In sound-absorbing area；The set of half mould sets formula sound-producing device is configured to be fastened on external equipment, so that the receiving area forms the sound of closing Chamber, the sound that the sound-producing device component is configured as producing on rear side of vibrating diaphragm at work can reach sound-absorbing area.
- 2. set of half mould sets formula sound-producing device according to claim 1, it is characterised in that the edge of the end face of the receiving area It is provided with annular spring washer, the annular spring washer is configured as set of half mould sets formula sound-producing device when being fastened on external equipment, described Annular spring washer is contacted and compressed with external equipment.
- 3. set of half mould sets formula sound-producing device according to claim 2, it is characterised in that the apical side height of the acoustical cotton is more than The apical side height of the annular spring washer, the acoustical cotton are configured as set of half mould sets formula sound-producing device and are fastened on external equipment When, the acoustical cotton is contacted and compressed with external equipment.
- 4. set of half mould sets formula sound-producing device according to claim 1, it is characterised in that the sound-absorbing material is non-foamed sound-absorbing Material granule.
- 5. set of half mould sets formula sound-producing device according to claim 1, it is characterised in that the entrant sound packaging part is ventilative screen cloth Or woven wire.
- 6. set of half mould sets formula sound-producing device according to claim 5, it is characterised in that the ventilative screen cloth is pressed by heating Or the mode of bonding is arranged in the sound-absorbing area.
- 7. set of half mould sets formula sound-producing device according to claim 1, it is characterised in that one on the inner wall of the set of half mould sets housing Body extends enclosure wall portion, and the enclosure wall portion surrounds and forms the sound-absorbing area.
- 8. set of half mould sets formula sound-producing device according to claim 1, it is characterised in that the acoustical cotton passes through bonding agent or double Face glue is fixedly connected with the sound-absorbing area and/or entrant sound packaging part.
- 9. set of half mould sets formula sound-producing device according to claim 1, it is characterised in that the thickness range of the acoustical cotton is 0.5-1.0mm。
- A kind of 10. electronic product, it is characterised in that including product complete machine and claim 1-9 it is one of any described in set of half mould sets Formula sound-producing device, the product complete machine have complete machine housing, and the set of half mould sets formula sound-producing device is fastened on the complete machine housing On inner surface, the receiving area is closed to form the operatic tunes by the inner surface of the complete machine housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721286868.8U CN207304913U (en) | 2017-09-30 | 2017-09-30 | Set of half mould sets formula sound-producing device and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721286868.8U CN207304913U (en) | 2017-09-30 | 2017-09-30 | Set of half mould sets formula sound-producing device and electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304913U true CN207304913U (en) | 2018-05-01 |
Family
ID=62413429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721286868.8U Withdrawn - After Issue CN207304913U (en) | 2017-09-30 | 2017-09-30 | Set of half mould sets formula sound-producing device and electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304913U (en) |
-
2017
- 2017-09-30 CN CN201721286868.8U patent/CN207304913U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180501 Effective date of abandoning: 20210709 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180501 Effective date of abandoning: 20210709 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |