CN207070326U - A kind of loudspeaker module - Google Patents
A kind of loudspeaker module Download PDFInfo
- Publication number
- CN207070326U CN207070326U CN201720677662.1U CN201720677662U CN207070326U CN 207070326 U CN207070326 U CN 207070326U CN 201720677662 U CN201720677662 U CN 201720677662U CN 207070326 U CN207070326 U CN 207070326U
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- CN
- China
- Prior art keywords
- screen cloth
- entrant sound
- edge
- sound screen
- loudspeaker
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- 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.)
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Abstract
It the utility model is related to a kind of loudspeaker module.Loudspeaker module includes housing and entrant sound screen cloth, the enclosure interior includes the back cavity of the loudspeaker accommodating chamber for placing loudspeaker assembly and filling sound-absorbing material, the side of the back cavity has opening, the surrounding of the opening has carrying edge, the entrant sound screen cloth is arranged on the carrying edge of the opening, entrant sound screen cloth is configured as separating the loudspeaker accommodating chamber and the back cavity, and the sound-absorbing material is enclosed in the back cavity；In the limited bit architecture in carrying edge of the opening, the position limiting structure is configured as positioning the entrant sound screen cloth on the carrying edge.A technical problem to be solved in the utility model is that entrant sound screen cloth easily deviates standard rigging position.
Description
Technical field
The utility model belongs to speaker technology field, specifically, the utility model is related to a kind of loudspeaker module.
Background technology
With the gradual development of consumer electronics product, loudspeaker is as electrical equipment group important in electronic equipment for consumption
Part, its Structural Design Requirement improve constantly, and those skilled in the art are steady in order to improve the work of loudspeaker when designing loudspeaker
Qualitative and performance, it is often necessary to be engaged with various structures, as loudspeaker is encapsulated by housing, housing can include multiple mutual groups
Close the shell of installation.The accommodating chamber of loudspeaker in housing is respectively communicated with outlet sound mouth and back cavity.The accommodating chamber of loudspeaker is placed
Loudspeaker monomer, back cavity is built with sound-absorbing material.Entrant sound screen cloth, sound-absorbing of the barrier in back cavity are added in loudspeaker module
Material enters the accommodating chamber of loudspeaker monomer；Transmission without influenceing sound.
Two kinds of forms are commonly used in fixation to entrant sound screen cloth at present, and the first is to use large stretch of entrant sound screen cloth, is covered in back cavity
At encapsulation port, after being fixed by technological operation, then crop unnecessary on side, the method entrant sound screen cloth waste it is more,
And production efficiency is relatively low；Be for second in advance by entrant sound screen cloth cut with back cavity encapsulation port same shape, be covered in back cavity
At encapsulation port, it is fixed by technological operation, still, in the prior art, the design to loudspeaker module is not added pair
The position limiting structure of entrant sound screen cloth, make in actual production assembling process, when entrant sound screen cloth is fixed, entrant sound screen cloth be present
Easy deflection opens predeterminated position, causes to come off during use, the problems such as reducing yields, adds the cost of enterprise.
Thus, it is necessary to be improved to loudspeaker module, the reliability of loudspeaker module, the non-defective unit of enterprise's production are improved
Rate and production efficiency.
Utility model content
A purpose of the present utility model is to provide a kind of improved loudspeaker module.
According to one side of the present utility model, there is provided a kind of loudspeaker module, including housing and entrant sound screen cloth, it is described
Enclosure interior includes the back cavity of the loudspeaker accommodating chamber for placing loudspeaker assembly and filling sound-absorbing material, the side tool of the back cavity
There is opening, the surrounding of the opening has carrying edge, and the entrant sound screen cloth is arranged on the carrying edge of the opening, entrant sound
Screen cloth is configured as separating the loudspeaker accommodating chamber and the back cavity, and the sound-absorbing material is enclosed in the back cavity；
In the limited bit architecture in carrying edge of the opening, the position limiting structure is configured as on the carrying edge described in positioning
Entrant sound screen cloth.
Alternatively, the position limiting structure includes double faced adhesive tape, the locating dowel being arranged on carrying edge or is arranged on carrying side
At least one of positionable wall on edge.
Alternatively, when the position limiting structure includes the locating dowel being arranged on the carrying edge, the carrying edge
On at least provided with two locating dowels.
Alternatively, the carrying edge is rectangular ring structure, and locating dowel is arranged at least one turning at carrying edge
Place.
Alternatively, the locating dowel is located on the outside of entrant sound screen cloth.
Alternatively, entrant sound screen cloth opening position corresponding with the locating dowel has trimming.
Alternatively, the entrant sound screen cloth is provided with positioning hole corresponding with the locating dowel, and the locating dowel is described in
Positioning hole is with the fixation entrant sound screen cloth.
Alternatively, the locating dowel is hot molten column.
Alternatively, the position limiting structure is double faced adhesive tape, and the double faced adhesive tape is located on carrying edge, or positioned at entrant sound screen cloth
The side tactile with the carrying side edge edge.
Alternatively, the width of the double faced adhesive tape is 0.5-0.7mm.
One of the present utility model has technical effect that, reduces the possibility that entrant sound screen cloth deviates standard rigging position.
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 of a part for constitution instruction describes embodiment of the present utility model, and uses together with the description
In explanation principle of the present utility model.
Fig. 1 is a kind of schematic internal view of loudspeaker module in the prior art.
Fig. 2 is a kind of schematic internal view of loudspeaker module in the prior art.
Fig. 3 is the schematic internal view of optimal technical scheme 1 of the present utility model.
Fig. 4 is the partial enlarged drawing at A in optimal technical scheme 1 of the present utility model.
Fig. 5 is the schematic internal view of optimal technical scheme 2 of the present utility model.
Fig. 6 is the B of optimal technical scheme 2 of the present utility model to profile.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part 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 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 improved loudspeaker module, and the module can reduce entrant sound screen cloth and deviate standard dress
Risk with position.
Loudspeaker module provided by the utility model, including housing and entrant sound screen cloth, enclosure interior accommodate including loudspeaker
Chamber and back cavity, loudspeaker accommodating chamber and back cavity are interconnected.Loudspeaker assembly is placed in loudspeaker accommodating chamber, loudspeaker assembly
Including one kind in loudspeaker monomer, vibration component or magnetic circuit component.Sound-absorbing material is filled with the back cavity.Sound is by raising
Sound device accommodating chamber and the connectivity part of back cavity are transferred to back cavity.The side of back cavity has opening, and opening surrounding has carrying edge, held
Carry edge to be used to carry entrant sound screen cloth, entrant sound screen cloth is provided a supporting role.Entrant sound screen cloth by loudspeaker accommodating chamber and back cavity every
Open, entrant sound screen cloth spatially separates loudspeaker accommodating chamber and back cavity, and sound-absorbing material is enclosed in back cavity.Due to entrant sound
The airing function of screen cloth in itself so that air can have no effect on the transmission of sound by entrant sound screen cloth free flow.Carrying
The limited bit architecture in edge, it is entrant sound screen cloth is spacing on carrying edge so that entrant sound screen cloth is not susceptible in fixation procedure
Deflection.Reduce the possibility that entrant sound screen cloth deviates standard rigging position.
Alternatively, housing can include multiple shells for being mutually combined installation.Alternatively, housing has outlet sound mouth, raises one's voice
Device accommodating chamber is respectively communicated with outlet sound mouth and back cavity.Alternatively, entrant sound screen cloth is hot melt screen cloth, and it is by way of sweat soldering
Fixing seal separates back cavity and loudspeaker accommodating chamber on carrying edge.Alternatively, there can be partition wall in housing, point
Space in housing is marked off back cavity and loudspeaker accommodating chamber by next door.Partition wall is not higher than the peripheral sidewall of housing, partition wall
A part of upper surface may be constructed carrying edge.
Alternatively, position limiting structure is arranged on carrying edge, is either arranged on entrant sound screen cloth or is separately positioned on and holds
Carry on edge and on entrant sound screen cloth, cooperate.
The utility model provides the optional embodiment of a variety of position limiting structures, for example, it may be being arranged on carrying edge
On locating dowel, positionable wall；Or the double faced adhesive tape on entrant sound screen cloth can be provided in；Or it can also be and be arranged on carrying
The locating dowel at edge and the trimming being arranged on entrant sound screen cloth, the combination fit structure of positioning hole.Above content has been illustrated
The optional ground structure of position limiting structure and fit system, it is not limited to these concrete structures.
Alternatively, position limiting structure includes locating dowel, one or more kinds of combinations in the structure such as positionable wall and double faced adhesive tape.
In the embodiment that position limiting structure includes locating dowel, locating dowel is configured as to saturating on carrying edge
Acoustic mesh cloth carries out spacing.For example, 2 locating dowels are arranged on carrying edge, entrant sound screen cloth is in position corresponding with locating dowel
Positioning hole is provided with, locating dowel, to fix entrant sound screen cloth entrant sound screen cloth, is played to entrant sound through positioning hole with carrying edge mate
The effect of screen cloth temporary spacing.Described above is a kind of specific embodiment, is not formed to technical solutions of the utility model
Concrete restriction.
It should be noted that in the utility model embodiment, multiple locating dowels can be arranged on to carrying edge, with
Entrant sound screen cloth is positioned, it is without limitation for the number of the locating dowel of setting, the utility model.
Alternatively, edge is carried if the polygonal ring shape structure such as rectangle, and locating dowel is preferably provided at turning for carrying edge
At angle.
Preferably, above-mentioned each corner is provided with least one locating dowel.For example, the specific implementation of one kind shown in Fig. 4
In scheme, carrying edge 4 is rectangular ring structure, and three corners are respectively arranged with a locating dowel 6 wherein, another
Corner is provided with positionable wall 7, positionable wall 7 at right angles arranges, and plays the spacing work to screen cloth of breathing freely according to internal structure design
With, it is possible to locating dowel 6 is not provided with, but when being necessary, locating dowel 6 can also be set.
It should be noted that in other embodiments, 1 can also be both provided with each corner at carrying edge
Locating dowel, or multiple locating dowels are set in a corner.The utility model is limited not to this.
Alternatively, when entrant sound screen cloth is placed on carrying edge, locating dowel can also be located at the outside of entrant sound screen cloth.Such as
In a kind of specific embodiment shown in Fig. 4, locating dowel 6 is respectively positioned on the outside of entrant sound screen cloth 5, by entrant sound screen cloth 5
Edge carry out backstop, so as to play position-limiting action.This explanation is merely illustrative of, and is not formed to the utility model technical side
The concrete restriction of case.
Preferably, can have cropped area, such as trimming or positioning hole on the entrant sound screen cloth.Cropped area is with determining
The position of position post is corresponding so that locating dowel will not hinder covering of the entrant sound screen cloth to carrying edge.Positioning hole and locating dowel
Fit system enumerates in embodiment of above.Locating dowel can also be engaged with the trimming on entrant sound screen cloth, be realized to saturating
Acoustic mesh cloth it is spacing.With the embodiment shown in Fig. 4, the corner location of entrant sound screen cloth 5 has trimming, and locating dowel 6 is located at trimming
Position, by the backstop to trimming to entrant sound screen cloth carry out it is spacing.
Alternatively, locating dowel can be hot molten column.Locating dowel can save space after being heated, will not be to loudspeaker mould
Space, assembling in group needed for original internal structure impact.Further, the locating dowel after hot melt can be covered in entrant sound
The edge of screen cloth, secondary fixation can be formed to entrant sound screen cloth, improve the assembly reliability of entrant sound screen cloth.
In the embodiment that position limiting structure includes positionable wall, surrounding or outside of the positionable wall positioned at carrying edge are right
Entrant sound screen cloth fixes.Alternatively, positionable wall can continuously be set, and can also be segmented arrangement.
Alternatively, edge is carried if the polygonal ring shape structure such as rectangle, and the positionable wall for being segmented arrangement is preferably provided at and held
Carry the corner at edge.
Alternatively, locating dowel, and the material that positionable wall is selected are identical with carrying edge.For example, carrying edge is housing
A part, housing are plastic casing, and during injection-moulded housing, locating dowel, positionable wall and housing are integrally formed.This explanation is only to illustrate
It is bright, do not form the concrete restriction to technical solutions of the utility model.
Further, position limiting structure can also be locating dowel and the combination of positionable wall, the as portion at carrying edge
Divide surrounding or outside that positionable wall is set, another part at carrying edge sets at least one locating dowel.For example, on carrying side
Edge is the polygonal ring shape structures such as rectangle, the Liang Ge corners for carrying edge can be set into positionable wall, other corners are set
At least one locating dowel, to fix entrant sound screen cloth.
In the embodiment that position limiting structure includes double faced adhesive tape, double faced adhesive tape is located on carrying edge, or positioned at entrant sound net
The edge of the side tactile with carrying side edge of cloth, it can also be separately positioned on carrying edge and on entrant sound screen cloth,
Cooperate.
Alternatively, in order to save enclosure interior space, carrying edge should not design wide.The width of double faced adhesive tape is optional less
In 0.7mm, preferably 0.5-0.7mm.In order to reduce the gas permeability that double faced adhesive tape has influence on sound-absorbing material and entrant sound screen cloth, preferred
In the case of, double faced adhesive tape is only covered on carrying edge, is not extend to the hollow sectors of back cavity.The utility model is not intended to limit two-sided
Glue must not necessarily extend to the hollow sectors of back cavity, in various embodiments, be wanted if the acoustical behavior of back cavity can reach
The standard asked, then double faced adhesive tape can also some extend in back cavity.
Alternatively, double faced adhesive tape can carry edge if the polygonal ring shape structure such as rectangle, subsection setup with subsection setup
Double faced adhesive tape be preferably provided at carrying edge corner.
Accompanying drawing 1,2 illustrates a kind of existing loudspeaker module internal structure, including housing 1 and entrant sound screen cloth 5, in housing 1
Portion includes loudspeaker accommodating chamber 2 and back cavity 3, and loudspeaker accommodating chamber 2 and back cavity 3 are interconnected, and back cavity 3 is arranged to rectangular shape,
Carrying edge 4 is provided with around back cavity 3, is carried on edge 4 covered with entrant sound screen cloth 5.Edge 4 is carried not to entrant sound screen cloth 5
Position limiting structure, entrant sound screen cloth 5 relative to carrying edge 4 easily occur translation etc. change in location, in the assembling process of entrant sound screen cloth 5
In easily glance off.
It is improved below on the basis of accompanying drawing 1,2 with further instruction the technical solution of the utility model：
On the one hand, such as accompanying drawing 3, shown in 4, loudspeaker module includes housing 1 and entrant sound screen cloth 5, and the inside of housing 1 includes raising one's voice
Device accommodating chamber 2, back cavity 3, locating dowel 6 and positionable wall 7, loudspeaker accommodating chamber 2 and back cavity 3 are interconnected, and back cavity 3 is rectangle, after
The surrounding of chamber 3 has carrying edge 4, and carrying edge 4 is rectangular ring structure, and locating dowel 6, positionable wall 7 and entrant sound screen cloth 5 are arranged on
Carrying on edge 4, entrant sound screen cloth 5 separates loudspeaker accommodating chamber 2 and back cavity 3, in four turnings at carrying edge 4, one
Corner is provided with positionable wall 7, and other three corners at carrying edge 4 are respectively arranged with a locating dowel 6, adjacent positioned post
The corresponding edge length of entrant sound screen cloth 5 is smaller than between 6；Entrant sound screen cloth 5 is that edge corresponding to locating dowel 6 has and cut
Side (shown in Fig. 4)；It is by this combination, entrant sound screen cloth 5 is spacing on carrying edge 4；The entrant sound screen cloth 5 is hot melt net
Cloth.
If it should be noted that in loudspeaker module, there are two or three corners to be provided with positionable wall 7, Ke Yi
Other corners for being not provided with positionable wall 7 at carrying edge 4 set locating dowel 6.
On the other hand, such as accompanying drawing 5, shown in 6, loudspeaker module includes housing 1, entrant sound screen cloth 5 and double faced adhesive tape 8, in housing 1
Portion includes interconnected loudspeaker accommodating chamber 2 and back cavity 3, and back cavity 3 is rectangle, and the surrounding of back cavity 3 has carrying edge 4, carrying
Edge 4 is rectangular ring structure, and double faced adhesive tape 8 is arranged on carrying edge 4, and entrant sound screen cloth 5 is arranged on double faced adhesive tape 8, entrant sound net
Cloth 5 separates loudspeaker accommodating chamber 2 and back cavity 3, and double faced adhesive tape 8 is spacing on carrying edge 4 by entrant sound screen cloth 5, and double faced adhesive tape 8 is continuous
Set, width 0.5mm；Entrant sound screen cloth 5 is hot melt screen cloth.
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 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. loudspeaker module, it is characterised in that including：Housing and entrant sound screen cloth, the enclosure interior are raised one's voice including placement The back cavity of the loudspeaker accommodating chamber of device assembly and filling sound-absorbing material, the side of the back cavity have an opening, and the four of the opening There is carrying edge, the entrant sound screen cloth is arranged on the carrying edge of the opening, and entrant sound screen cloth is configured as will be described week Loudspeaker accommodating chamber and the back cavity are separated, and the sound-absorbing material is enclosed in the back cavity；On the carrying side of the opening Limited bit architecture at edge, the position limiting structure are configured as positioning the entrant sound screen cloth on the carrying edge.
- 2. a kind of loudspeaker module according to claim 1, it is characterised in that the position limiting structure includes double faced adhesive tape, set At least one of the positionable wall put the locating dowel on carrying edge or be arranged on carrying edge.
- 3. a kind of loudspeaker module according to claim 2, it is characterised in that include being arranged on institute in the position limiting structure When stating the locating dowel on carrying edge, at least provided with two locating dowels on the carrying edge.
- 4. a kind of loudspeaker module according to claim 3, it is characterised in that the carrying edge is rectangular ring knot Structure, locating dowel are arranged at least one corner at carrying edge.
- 5. the loudspeaker module according to claim 3 or 4, it is characterised in that the locating dowel is located on the outside of entrant sound screen cloth.
- 6. a kind of loudspeaker module according to claim 5, it is characterised in that the entrant sound screen cloth and the locating dowel pair The opening position answered has trimming.
- 7. the loudspeaker module according to claim 3 or 4, it is characterised in that the entrant sound screen cloth be provided with it is described fixed Positioning hole corresponding to the post of position, the locating dowel is through the positioning hole with the fixation entrant sound screen cloth.
- 8. the loudspeaker module according to claim 3 or 4, it is characterised in that the locating dowel is hot molten column.
- 9. a kind of loudspeaker module according to claim 2, it is characterised in that the position limiting structure is double faced adhesive tape, described Double faced adhesive tape is located on carrying edge, or positioned at the edge of the tactile side of entrant sound screen cloth and described carrying side edge.
- 10. a kind of loudspeaker module according to claim 9, it is characterised in that the width of the double faced adhesive tape is 0.5- 0.7mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677662.1U CN207070326U (en) | 2017-06-12 | 2017-06-12 | A kind of loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677662.1U CN207070326U (en) | 2017-06-12 | 2017-06-12 | A kind of loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207070326U true CN207070326U (en) | 2018-03-02 |
Family
ID=61509494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720677662.1U Expired - Fee Related CN207070326U (en) | 2017-06-12 | 2017-06-12 | A kind of loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207070326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110035354A (en) * | 2018-12-29 | 2019-07-19 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| WO2020134370A1 (en) * | 2018-12-27 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Sound generating component |
-
2017
- 2017-06-12 CN CN201720677662.1U patent/CN207070326U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134370A1 (en) * | 2018-12-27 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Sound generating component |
| CN110035354A (en) * | 2018-12-29 | 2019-07-19 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN110035354B (en) * | 2018-12-29 | 2021-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180302 Termination date: 20200612 |