CN205726375U - Mini-sound device - Google Patents

Abstract

Disclosure one mini-sound device, including: housing, it includes the first wall, the second wall and sidewall；Described first wall is oppositely arranged with described second wall；Described sidewall is provided with out acoustic aperture；It is positioned at the sounding component of described housing；Described sounding component includes vibrating diaphragm and framework；Described vibrating diaphragm is arranged in the face of described first wall；The sidewall of described framework is provided with the sidewall with described housing and seals the sealing coordinated；Described sealing is divided into ante-chamber and back cavity by described housing, described in go out acoustic aperture and communicate with described ante-chamber；Described sealing goes out the acoustic aperture side away from described first wall described in being positioned at.

Description

Mini-sound device

Technical field

The application relates to a kind of acoustic equipment field, particularly relates to a kind of mini-sound device.

Background technology

Mini-sound device is widely used in living and industrial numerous electronic products (such as mobile phone), miniature Acoustic device generally includes speaker unit.Speaker unit generally includes housing (speaker box) and is contained in housing Speaker body (speaker).Speaker body is provided with vibrating diaphragm, and according to the position relationship with vibrating diaphragm, the space in housing leads to Often it is divided into ante-chamber and back cavity.

Existing speaker unit is generally divided into front and speaks speaker (positive sounding loudspeaker) and speak speaker in side (side sounding loudspeaker).For side sounding loudspeaker, be offer on the sidewall of loudspeaker housing communicate with ante-chamber go out acoustic aperture Sound is transmitted.

When making side sounding loudspeaker at present, need first to put in upper shell by speaker body, by glue by speaker Main body and upper shell bond together and once put glue sealing, and once put when glue seals and need to avoid out acoustic aperture position, wherein, Once some glue seals track and is similar to opening annulus, and the opening of annulus is out acoustic aperture position.Speaker body with on Housing is once put after glue completes, then will go out the some glue sealing of acoustic aperture position by secondary point glue, thus is divided in the space in housing Ante-chamber and back cavity.

Needing repeatedly to seal when can be seen that and make side sounding loudspeaker at present, technique is complex.Meanwhile, secondary seal And the situation of poor sealing easily occurs between once sealing, thus cannot be completely by ante-chamber and back cavity sealed separation, impact is raised The output tonequality of sound device.

Utility model content

Inventor finds through research, and existing speaker is confined to the position of vibrating diaphragm to distinguish ante-chamber and back cavity, thus Side sounding loudspeaker is first once put glue at the marginal area (edge portion) of vibrating diaphragm and is sealed, if carrying out one in this position Secondary glue seals, then fluid sealant can cut off the connection of acoustic aperture and ante-chamber, and then can keep away going out acoustic aperture position when once putting glue Open, and carry out a glue sealing when secondary point glue at the lower boundary (going out the acoustic aperture border away from vibrating diaphragm) going out acoustic aperture, thus ensure Go out the connection of acoustic aperture and ante-chamber.

In view of the deficiencies in the prior art, the purpose of the application is to provide a kind of mini-sound device, close to be conducive to simplifying Envelope technique.

For reaching above-mentioned purpose, the application provides a kind of mini-sound device, including:

Housing, it includes the first wall, the second wall and sidewall；Described first wall is oppositely arranged with described second wall；Described Sidewall is provided with out acoustic aperture；

It is positioned at the sounding component of described housing；Described sounding component includes vibrating diaphragm and framework；Described vibrating diaphragm is in the face of described First wall is arranged；The sidewall of described framework is provided with the sidewall with described housing and seals the sealing coordinated；Described sealing will Be divided into ante-chamber and back cavity in described housing, described in go out acoustic aperture and communicate with described ante-chamber；Described sealing goes out acoustic aperture described in being positioned at Side away from described first wall.

As one preferred embodiment, described sealing include that the sidewall of described framework is provided with along its circumference to The bulge-structure of outer lug.

As one preferred embodiment, described bulge-structure is ring-type.

As one preferred embodiment, described bulge-structure is one-body molded with described framework.

As one preferred embodiment, the inner surface of the sidewall of described housing is provided with and matches with described bulge-structure Step.

As one preferred embodiment, described step is arranged near described first wall relative to described bulge-structure.

As one preferred embodiment, described bulge-structure have back to first surface and second surface；Institute State first surface relative to described second surface near described first wall；Described first surface seals with described step and coordinates.

As one preferred embodiment, described sealing cooperation includes some glue sealing, ultrasonic bonding sealing, a Laser Welding Connect the one in sealing.

As one preferred embodiment, described housing includes main casing and the lid mutually covered；Described main casing Including described first wall and described sidewall, described lid includes described second wall.

As one preferred embodiment, described mini-sound device includes speaker or receiver.

By above technical scheme, the mini-sound device of the application is by being provided with and described housing on the sidewall of framework Sidewall seal the sealing coordinated, and arrange sealing be positioned at described in go out the acoustic aperture side away from described first wall, thus can Can ensure that acoustic aperture connects with ante-chamber with direct once sealing, therefore, the mini-sound device of present embodiment is conducive to letter Change sealing technology.

Simultaneously as the mini-sound device once sealing of the application, and need not repeatedly seal, such that it is able to It is effectively improved airtight quality, it is ensured that ante-chamber and the sealed separation effect of back cavity.

With reference to explanation hereinafter and accompanying drawing, disclose in detail particular implementation of the present utility model, specify this practicality Novel principle can be in adopted mode.It should be understood that embodiment of the present utility model in scope not thus be subject to Limit.In the range of the spirit and terms of claims, embodiment of the present utility model includes many changes, amendment And equivalent.

The feature described for a kind of embodiment and/or illustrate can be in same or similar mode one or more Other embodiment individual uses, combined with the feature in other embodiment, or substitute the feature in other embodiment.

It should be emphasized that term " includes/comprises " existence referring to feature, one integral piece, step or assembly herein when using, but also It is not excluded for the existence of one or more further feature, one integral piece, step or assembly or additional.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is embodiments more of the present utility model, for those skilled in the art, on the premise of not paying creative work, Other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the exploded view of the mini-sound device that a kind of embodiment of the application is provided；

Fig. 2 is the sectional view of mini-sound device shown in Fig. 1.

Detailed description of the invention

For the technical scheme making those skilled in the art be more fully understood that in the application, real below in conjunction with the application Execute the accompanying drawing in example, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement Example is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, this area is common The every other embodiment that technical staff is obtained on the premise of not making creative work, all should belong to this practicality new The scope of type protection.

It should be noted that when element is referred to as " being arranged at " another element, and it can be directly on another element Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ", For illustrative purposes only, being not offered as is unique embodiment for " right " and similar statement.

Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein The purpose of specific embodiment is described, it is not intended that in limiting this utility model.Term as used herein "and/or" bag Include the arbitrary and all of combination of one or more relevant Listed Items.

Referring to Fig. 1, Fig. 2, the application one embodiment provides a kind of mini-sound device, this mini-sound device bag Including but be not limited to speaker, such as, the speaker of electronic equipment (mobile phone, panel computer, computer etc.), this mini-sound device is also Receiver can be included.

In the present embodiment, described mini-sound device includes: housing 100, and it includes first wall the 101, second wall 102 And sidewall 103；Described first wall 101 is oppositely arranged with described second wall 102；Described sidewall 103 is provided with out acoustic aperture 104； It is positioned at the sounding component 200 of described housing 100；Described sounding component 200 includes vibrating diaphragm 201 and framework 202；Described vibrating diaphragm 201 are arranged in the face of described first wall 101；The sidewall 103 that the sidewall 203 of described framework 202 is provided with described housing 100 seals The sealing coordinated；Described sealing is divided into ante-chamber and back cavity in described housing 100, described in go out acoustic aperture 104 with described before Chamber communicates；Described sealing goes out the acoustic aperture 104 side away from described first wall 101 described in being positioned at.

By above technical scheme, the mini-sound device of present embodiment is by being provided with on the sidewall 203 of framework 202 Seal the sealing coordinated with the sidewall 103 of described housing 100, and arrange sealing be positioned at described in go out acoustic aperture 104 away from described The side of the first wall 101, such that it is able to directly once sealing can ensure that acoustic aperture 104 connects with ante-chamber, therefore, this embodiment party The mini-sound device of formula is conducive to simplifying sealing technology.

Simultaneously as the mini-sound device once sealing of present embodiment, and need not repeatedly seal, thus Airtight quality can be effectively improved, it is ensured that ante-chamber and the sealed separation effect of back cavity.

In one embodiment, the first wall 101 and second of housing 100 (Speaker Box or Acoustic Box) Wall 102 is oppositely arranged, and wherein, one of the first wall 101 and the second wall 102 can be roof, and another can be diapire.Concrete, In view of vibrating diaphragm 201 and the first facing setting of wall 101, as in figure 2 it is shown, the first wall 101 is preferably roof.

In the present embodiment, sidewall 103 is located substantially between the first wall 101 and the second wall 102, its respectively with the first wall 101 and second can be to be mutually perpendicular between wall 102, it is also possible to out of plumb, the application is also not intended to be limited in any.Wherein, first Wall the 101, second wall 102 and sidewall 103 enclose and are configured to housing 100.

In one embodiment, as it is shown in figure 1, for convenience of technique manufacture, described housing 100 can include mutually covering Main casing 100 and lid.Described main casing 100 includes described first wall 101 and described sidewall 103, and described lid includes institute State the second wall 102.Main casing 100 by with lid cover formed accommodate sounding component 200 cavity.During making, Ke Yixian Sounding component 200 is positioned in main casing 100, then is covered by lid, form described mini-sound device.

In one embodiment, described sounding component 200 includes but not limited to speaker body (speaker) or called Device main body, concrete, sounding component 200 includes vibrating diaphragm 201 and framework (frame) 202.Certainly, sounding component 200 is all right Including magnet, voice coil loudspeaker voice coil etc..As in figure 2 it is shown, vibrating diaphragm 201 is supported in the top of framework 202 and in the face of the first wall 101 (inner surface) sets Put.

In the present embodiment, sidewall 103 sealing that the sidewall 203 of described framework 202 is provided with described housing 100 is joined The sealing closed.Wherein, described sealing cooperation can include in some glue sealing, ultrasonic bonding sealing, a laser welded seal A kind of.

Wherein, sealing can have multiple structure, and such as, in some embodiments, sealing can be ring-type recessed Groove, the inner surface of the sidewall 103 of housing 100 can be provided with the projection stretching into groove；Sealing can also be that step 105 (becomes Footpath is formed or the formation that convexes to form or cave in), the inner surface of the sidewall 103 of housing 100 is provided with and matches with described step 105 Coupling step or projection；It addition, sealing can also be for be positioned at the acoustic aperture 104 side away from described first wall 101 (from figure It is positioned at the lower section of acoustic aperture 104 from the point of view of 2) annular surface, by sealing means such as glue by the sidewall of sealing Yu housing 100 Seal between the inner surface of 103.

As a preferably embodiment, as shown in Figure 1 and Figure 2, described sealing can include described framework 202 Sidewall 203 be provided with along its peripherally and outwardly protruding bulge-structure 210.Wherein, outwardly convex is appreciated that as by framework 202 The direction of sidewall 103 of sidewall 203 to housing 100 protruding.It is also preferred that the left described bulge-structure 210 can be ring-type.Described convex Play structure 210 and form annular along circumference (it can be appreciated that around surrounding of framework 202) the continual extension of framework 202.

Carry out sealing coordinates, together as in figure 2 it is shown, the surface of bulge-structure 210 may be used for the inner surface with housing 100 Time, bulge-structure 210 is positioned at acoustic aperture 104 and (is positioned at acoustic aperture in terms of Fig. 2 104 away from the side of described first wall 101 Side), now, sealing surface is respectively positioned on out the lower section of acoustic aperture 104, thus once sealing can ensure that acoustic aperture 104 connects with ante-chamber.

The bulge-structure 210 that sidewall 103 is provided with can be that the construction itself of non-framework 202, such as bulge-structure 210 pass through Welding, the connected mode such as cementing arrange (being similar to sheathed) on the sidewall 203 of framework 202.As preferably scheme, described convex Play structure 210 one-body molded with described framework 202, i.e. described bulge-structure 210 is structure as a whole with framework 202, before ensureing Sealing effectiveness between chamber and back cavity, it is to avoid seal number of times too much.

Accordingly, the inner surface of the sidewall 103 of described housing 100 is provided with the step matched with described bulge-structure 210 105.This step 105 can be housing 100 inner surface reducing formed, depression formed or convex to form, such as in figure 2 it is shown, From the bottom to top observe housing 100 inwall (also referred to as inner surface) convex to form in step 105 position (or undergauge formation) this Rank 105.

Wherein, described step 105 is arranged near described first wall 101 relative to described bulge-structure 210.That is, reader When Fig. 2, step 105 is positioned at the top of bulge-structure 210, now, the surface of step 105 and the surface of bulge-structure 210 Can carry out sealing coordinating.Concrete, described bulge-structure 210 have back to first surface and second surface；Described One surface relative to described second surface near described first wall 101；Described first surface seals with described step 105 and coordinates.

Such as Fig. 2 it can be seen that first surface is a horizontal plane, step 105 is similarly a water in the face of the surface of first surface Plane, meanwhile, goes out acoustic aperture 104 and vibrating diaphragm 201 is respectively positioned on the two top, therefore, can be completed by once sealing therebetween.

Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented and , between any lower value and any much higher value, there is the interval of at least two unit in all values of upper value.For example, as Fruit elaborates that the quantity of parts or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20 To 80, more preferably from 30 to 70, then list such as 15 to 85,22 during purpose illustrates that this description the most clearly and arrive 68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1. These only want the example clearly expressed, it is believed that the institute of the numerical value enumerated between minimum and peak is likely Combination is expressly set forth in this description the most in a similar manner.

Except as otherwise noted, all scopes all include all numerals between end points and end points.It is used together with scope " about " or " approximation " be suitable for two end points of this scope.Thus, " about 20 to 30 " are intended to cover that " about 20 to about 30 ", the end points indicated at least is included.

The all articles disclosed and reference material, including patent application and publication, for various purposes by quoting knot Together in this.Describe combination term " substantially by ... constitute " should include determined by element, composition, parts or step and reality Other elements, composition, parts or the step of the basic novel feature of this combination is not affected in matter.Use term " comprise " or " include " combination describing element, composition, parts or step here it is also contemplated that basic by these elements, composition, parts Or the embodiment that step is constituted.Here by use term " can ", it is intended to illustrate that " permissible " include is described any Attribute is all optional.

Multiple elements, composition, parts or step can be provided by single integrated component, composition, parts or step.Alternative Ground, single integrated component, composition, parts or step can be divided into multiple elements, composition, parts or the step of separation.It is used for The open "a" or "an" describing element, composition, parts or step is not said to get rid of other element, composition, parts Or step.

It should be understood that above description is to illustrate rather than to limit.By reading above-mentioned retouching Stating, the many embodiments outside the example provided and many application will be the most all aobvious and easy See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to claims and this The four corner of the equivalent that a little claim are had determines.Include specially for comprehensive purpose, all articles and reference The disclosure of profit application and bulletin is all passed through with reference to being incorporated herein.Theme disclosed herein is omitted in aforementioned claim Any aspect is not intended to abandon this body matter, also should not be considered as inventor and is not thought of as disclosed by this theme A part for utility model theme.

Claims (10)

1. a mini-sound device, it is characterised in that including:

Housing, it includes the first wall, the second wall and sidewall；Described first wall is oppositely arranged with described second wall；Described sidewall It is provided with out acoustic aperture；

It is positioned at the sounding component of described housing；Described sounding component includes vibrating diaphragm and framework；Described vibrating diaphragm is in the face of described first Wall is arranged；The sidewall of described framework is provided with the sidewall with described housing and seals the sealing coordinated；Described sealing is by described Be divided into ante-chamber and back cavity in housing, described in go out acoustic aperture and communicate with described ante-chamber；Described sealing be positioned at described in go out acoustic aperture away from The side of described first wall.

2. mini-sound device as claimed in claim 1, it is characterised in that: described sealing includes on the sidewall of described framework Be provided with along its peripherally and outwardly protruding bulge-structure.

3. mini-sound device as claimed in claim 2, it is characterised in that: described bulge-structure is ring-type.

4. mini-sound device as claimed in claim 2, it is characterised in that: described bulge-structure becomes with described framework one Type.

5. mini-sound device as claimed in claim 2, it is characterised in that: the inner surface of the sidewall of described housing is provided with and institute State the step that bulge-structure matches.

6. mini-sound device as claimed in claim 5, it is characterised in that: described step is close relative to described bulge-structure Described first wall is arranged.

7. mini-sound device as claimed in claim 6, it is characterised in that: described bulge-structure have back to the first table Face and second surface；Described first surface relative to described second surface near described first wall；Described first surface is with described Step seals and coordinates.

8. the mini-sound device as described in claim 1 to 7 is arbitrary, it is characterised in that: described sealing cooperation includes that a glue is close One in envelope, ultrasonic bonding sealing, laser welded seal.

9. the mini-sound device as described in claim 1 to 7 is arbitrary, it is characterised in that: described housing includes mutually covering Main casing and lid；Described main casing includes described first wall and described sidewall, and described lid includes described second wall.

10. the mini-sound device as described in claim 1 to 7 is arbitrary, it is characterised in that: described mini-sound device includes raising Sound device or receiver.