Utility model content
The purpose of this utility model is to provide a kind of new solutions of loudspeaker mould group.
One aspect according to the present utility model provides a kind of loudspeaker mould group, comprising: shell and is set to shellThe intracorporal space of shell is separated into the preceding operatic tunes and the rear operatic tunes by interior loudspeaker monomer, the loudspeaker monomer；The operatic tunes after describedIn be provided with sound-absorbing particle filling and behave affectedly, be filled with sound-absorbing particle the sound-absorbing granule filling is intracavitary；In the rear operatic tunes alsoIt is provided with the first screen cloth for preventing sound-absorbing particle from entering in loudspeaker monomer；The connection sound-absorbing is provided on the shellThe filling aperture of the filling chamber of grain, is provided with the second screen cloth for covering the filling aperture in the filling aperture.
Optionally, the aperture of second screen cloth is greater than the partial size of sound-absorbing particle, on the outer surface of second screen clothIt is bonded with sealing plate.
Optionally, the aperture of first screen cloth is less than the partial size of sound-absorbing particle.
Optionally, the step groove of a loop is provided on the inner wall of the rear operatic tunes, first screen cloth is set to platformOn rank slot.
Optionally, first screen cloth is Metal screen cloth.
Optionally, Nian Jie by glue-line between the outer surface of second screen cloth and the sealing plate.
Optionally, sealant is filled between the side wall of the sealing plate and the inner wall of the filling aperture.
Optionally, the edge of second screen cloth is combined as a whole with the shell using injection molding manner.
Optionally, the edge of second screen cloth is combined as a whole with the shell using hot melting way.
Optionally, second screen cloth is Metal screen cloth.
Loudspeaker mould group scheme provided by the embodiment of the utility model, the loudspeaker modular structure is simple, filling sound-absorbingIt is not designed to the cyclic structure sunk at the filling aperture of grain, but is provided with the second net for covering filling aperture in filling apertureSealing plate is attached on screen cloth by cloth after the completion of filling, then gluing, realizes filling aperture sealing, and structure design aspect is not necessarily in heightOn avoided, expand the volume that sound-absorbing particle filling is behave affectedly in this way, more sound-absorbing particles can be accommodated, so as to effectively improveSound-absorbing effect.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, andCooperate appended attached drawing, is described in detail below.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless anotherIt illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimitedThe scope of the utility model processed.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practicalNovel and its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitableIn the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, withoutIt is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang YiIt is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The utility model embodiment provides a kind of loudspeaker mould group, referring to Fig.1, shown in Fig. 2 and Fig. 3, the loudspeakerThe structure of mould group is, comprising: shell and is set to the intracorporal loudspeaker monomer 11 of shell, and the loudspeaker monomer 11 will be in shellSpace be separated into the preceding operatic tunes 1 and the rear operatic tunes 2 totally two cavitys；It is provided with sound-absorbing particle filling in the rear operatic tunes 2 and behave affectedly 5, at thisSound-absorbing particle filling is behave affectedly in 5 filled with sound-absorbing particle；Being additionally provided in the rear operatic tunes prevents sound-absorbing particle from entering above-mentioned loudspeakingThe first screen cloth 3 in device monomer 11；Be provided on shell be connected to above-mentioned sound-absorbing particle filling behave affectedly 5 filling aperture 12, fillingIt is provided with the second screen cloth 4 for covering the filling aperture 12 in hole 12, is bonded with sealing plate 10 on the outer surface of the second screen cloth 4.
The step groove of a loop is provided on the inner wall of the rear operatic tunes 2, the first screen cloth 3 is set on the step groove.?That is the step groove is used to support and fixes the first screen cloth 3.
In a specific example, the first screen cloth 3 is set on the step groove with horizontality, can divide the rear operatic tunes 2It is divided into two cavitys being distributed up and down, wherein superposed cavity is that sound-absorbing particle filling behave affectedly 5.
Wherein, the aperture of the first screen cloth 3 is less than the partial size of sound-absorbing particle, to prevent sound-absorbing particle from behaveing affectedly from sound-absorbing particle fillingIt is fallen in 5, is also conducive to protection loudspeaker monomer 11.
In a specific example, the first screen cloth 3 can use Metal screen cloth, but be not limited to Metal screen cloth, Ke YizengThe intensity and durability of strong screen cloth.
Wherein, the edge of the second screen cloth 4 is linked together with shell.
In a specific example, the edge and shell of the second screen cloth 4 are combined as a whole using injection molding manner.
In another specific example, the edge and shell of the second screen cloth 4 are combined as a whole using hot melting way.
Above-mentioned injection molding manner and hot melting way can make the second screen cloth 4 and shell is good is combined together, make secondScreen cloth 4 is not easy to loosen, fall off.Especially in filling sound-absorbing particle, the second screen cloth 4 is fixedly secured, conducive to the filling of sound-absorbing particleDress.
Certainly, it can also be connected using other modes between the second screen cloth 4 and shell, as long as 4 He of the second screen cloth can be madeShell is securely attached to together.
Wherein, the aperture of the second screen cloth 4 is greater than the partial size of sound-absorbing particle.In this way in filling sound-absorbing particle, it can make to inhaleSound particle smoothly enters sound-absorbing particle filling and behave affectedly in 5.
In a specific example, the second screen cloth 4 can use Metal screen cloth, but be not limited to Metal screen cloth, Ke YizengThe intensity and durability of strong screen cloth.
Behave affectedly to sound-absorbing particle filling fill sound-absorbing particle in 5 when: sound-absorbing particle passes sequentially through filling aperture 12, the second screen cloth4, which enter sound-absorbing particle filling, behave affectedly in 5, since the aperture of the second screen cloth 4 is greater than the partial size of sound-absorbing particle, so sound-absorbing particle canSound-absorbing particle filling is fallen into the hole across the second screen cloth 4 to behave affectedly in 5；The aperture of first screen cloth 3 is less than the partial size of sound-absorbing particle, energyEnclosing lives sound-absorbing particle while ventilative, to prevent sound-absorbing particle from falling, influences loudspeaker monomer 11.
In a specific example, sound-absorbing particle filling behave affectedly in 5 can with filling full sound-absorbing particle (referring to Fig.1), at this point,Can to greatest extent using sound-absorbing particle filling behave affectedly 5 volume.Expand sound-absorbing particle filling behave affectedly 5 volume, sound-absorbing can be madeThe filling amount of particle increases, and the resonance frequency (F0) of loudspeaker mould group can be effectively reduced in the filling amount for increasing sound-absorbing particle,Improve low frequency frequency response, spread bandwidth.
Certainly, sound-absorbing particle filling behave affectedly the sound-absorbing particles filled in 5 amount can according to actual demand flexible setting, withConvenient for reaching optimum efficiency.
After the completion of sound-absorbing granule filling, filling aperture 12 is sealed, with the leakproofness of the operatic tunes 2 after guarantee.This realityWith a kind of sealing means are provided in new embodiment, that is, utilize sealing plate 10.Concrete mode are as follows: directly cover sealing plate 10And it is bonded on the outer surface of the second screen cloth 4.
It, can be by second in order to enable sealing plate 10 to be firmly covered on the second screen cloth 4 in a specific exampleIt is Nian Jie by glue-line between the outer surface of screen cloth 4 and sealing plate 10, the effect of sealing can be improved in this way, and it is existing to prevent gas leakage etc.As so as to improve the reliability and service life of loudspeaker mould group.Also, in order to realize more firm bonding, also closeFilling and sealing glue 9 between the side wall of sealing plate 10 and the inner wall of filling aperture 12, can make sealing plate 10 be bonded together with shell, make closeSealing plate 10 is not easy to loosen, fall off, and brings conveniently to using.
In a specific example, the lower surface of sealing plate 10 structure annular in shape, but it is not limited to this structure, as long asFilling aperture 13 can be covered, can have any shape.
Wherein, sealing plate can be using PET sheet, PC plate, PP plate etc..
A kind of loudspeaker mould group provided by the embodiment of the utility model, it is shown referring to Figure 1 and Figure 3, further includes: circuit board13, which stretches out shell, and is electrically connected between circuit board 13 and above-mentioned loudspeaker monomer 11.
Wherein, the type of circuit board 13 can according to need flexible setting, such as: pcb board or FPCB plate etc..
The loudspeaker mould group that the utility model embodiment mentions, the structure of shell are, shown referring to Fig.1, comprising: to be incorporated inUpper casing 8, middle shell 7 and lower casing 6 together；Upper casing 8 be covered in entire sound-absorbing particle filling behave affectedly 5 top；Wherein, upper casing 8, middle shell7 and first screen cloth 3 surround sound-absorbing particle filling jointly and behave affectedly 5, the first screen cloth 3 is arranged with horizontality.
Referring to Fig. 4 and Fig. 5, in the prior art, in order to ensure that the height of loudspeaker mould group is no more than defined requirement,Usually height evacuation is carried out to sealing plate 10 in structure design, a sinking is thus specially designed at filling aperture 12Ring structure, in order to adhesive seal plate 10.And a kind of loudspeaker mould group provided by the embodiment of the utility model, it changes and is used forThe structure of the filling aperture 12 of filling sound-absorbing particle is provided with screen cloth in filling aperture 12, and covers and glue in the outer surface of screen clothConnect sealing plate 10.Compared with prior art, loudspeaker mould group provided by the embodiment of the utility model, internal sound-absorbing particle filling5 volumes of behaveing affectedly are larger, the filling more sound-absorbing particles of energy, so as to improve sound-absorbing effect.Also after improving to a certain extentThe utilization rate of the operatic tunes 2.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a realityBody or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operationIn any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended toNon-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including thoseElement, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipmentIntrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded thatThere is also other identical elements in process, method, article or equipment including the element.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for thisFor the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility modelWithin, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.It should be noted thatTo: similar label and letter indicate similar terms in following attached drawing, therefore, once determined in a certain Xiang Yi attached drawingJustice does not need then that it is further defined and explained in subsequent attached drawing.
Although being described in detail by some specific embodiments of the example to the utility model, this fieldIt is to be understood by the skilled artisans that example above merely to be illustrated, rather than in order to limit the scope of the utility model.ThisField it is to be understood by the skilled artisans that can be repaired without departing from the scope of the invention to above embodimentsChange.The scope of the utility model is defined by the following claims.