CN206350134U - A kind of sound box sealing structure and audio amplifier - Google Patents
A kind of sound box sealing structure and audio amplifier Download PDFInfo
- Publication number
- CN206350134U CN206350134U CN201621092747.5U CN201621092747U CN206350134U CN 206350134 U CN206350134 U CN 206350134U CN 201621092747 U CN201621092747 U CN 201621092747U CN 206350134 U CN206350134 U CN 206350134U
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- China
- Prior art keywords
- sealing strip
- sealing
- seal groove
- sound box
- annular seal
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of sound box sealing structure, for being tightly connected between audio amplifier cavity and preceding baffle, including sealing strip and for installing the annular seal groove of the sealing strip, the sealing strip is end to end to be arranged in the annular seal groove, and the sealing strip partly overlaps in the position of interconnection.The audio amplifier using above-mentioned sound box sealing structure is also disclosed in the utility model simultaneously.Sound box sealing structure described in the utility model can avoid traditional single foam sealing from having gap, cause sealing effectiveness not ideal enough, simultaneously relative to the sealing of ring-type foam, requirement to raw material is lower, product cost can significantly be saved, cost can be saved while audio is ensured using the audio amplifier of the sound box sealing structure, the market competitiveness is improved.
Description
Technical field
The utility model is related to technology for loudspeaker box field, more particularly to a kind of sound box sealing structure and use audio amplifier sealing knot
The audio amplifier of structure.
Background technology
The sealing of audio amplifier inner space is one of important instruction of audio amplifier, is related to the stabilization of tonequality output, and audio amplifier
The sealing of cavity and baffle is wherein to influence to commonly use the mode of compression foam bar in audio amplifier sealing most important factor, industry to enter
The sealing of an actor's rendering of an operatic tune body and baffle, in the prior art it is common sealing strips have two kinds, the first for be punched into length with it is close
The adaptable sealing strip of front cover girth, its end to end is arranged in seal groove is sealed, but be due to scale error
Influence, the length of sealing strip can not be completely with being consistent by the girth of sealing surface, it is thus possible to before and after occurring sealing strip
End bonding station has gap and causes gas leakage.
In view of the above-mentioned problems, providing another processing mode in the prior art, i.e., mould punching is directly used, formed
The sealing strip of ring-type, the sealing strip of ring-type need not carry out ending connection, therefore be not in the situation for having gap to cause gas leakage,
But, directly it is stamped and formed out annular seal bar its material that is stamped and will have greatly to be wasted, financial cost has very big
Rising, therefore, need offer one kind badly the problem of can either solve sealing, can effectively control the audio amplifier of cost to seal knot again
Structure.
Utility model content
A purpose of the present utility model is：A kind of sound box sealing structure is provided, it can realize audio amplifier inner space
Excellent sealing, while save encapsulant use.
Another purpose of the present utility model is：A kind of audio amplifier is provided, it can realize the stable output of tonequality, it is ensured that
Acoustics.
For up to this purpose, the utility model uses following technical scheme：
On the one hand there is provided a kind of sound box sealing structure, for being tightly connected between audio amplifier cavity and preceding baffle, including it is close
Strip of paper used for sealing and the annular seal groove for installing the sealing strip, the sealing strip it is end to end be arranged on the ring packing
In groove, the sealing strip partly overlaps in the position of interconnection.
As a kind of preferred technical scheme of described sound box sealing structure, the annular seal groove includes the first sealing
Groove and the second seal groove, second seal groove are arranged on the bottom of first seal groove, and positioned at the sealing strip phase
Mutual overlapping position.
As a kind of preferred technical scheme of described sound box sealing structure, the annular seal groove is arranged on the sound
On case cavity or the preceding baffle.
As a kind of preferred technical scheme of described sound box sealing structure, on the preceding baffle or the audio amplifier cavity
It is corresponding with the annular seal groove to be provided with sealed muscle position.
As a kind of preferred technical scheme of described sound box sealing structure, the sealed muscle position includes and described first
The corresponding first muscle position of seal groove and the second muscle corresponding with second seal groove position, the length of the second muscle position are more than
The length of the first muscle position.
As a kind of preferred technical scheme of described sound box sealing structure, the sealing strip, which has, is used as the close of stem
Strip of paper used for sealing first end and the end of sealing strip second as afterbody, the sealing strip first end are located in second seal groove, institute
State the top that the end of sealing strip second is located at first sealing strip.
As a kind of preferred technical scheme of described sound box sealing structure, the sealing strip, which has, is used as the close of stem
Strip of paper used for sealing first end and the end of sealing strip second as afterbody, the sealing strip first end is in the depth side of the annular seal groove
Upward medium position sets fluted, and the end of sealing strip second, which is provided with, corresponding with the groove is provided with projection, institute
State in the raised insertion groove and realize that the first end is overlapping with second end.
As a kind of preferred technical scheme of described sound box sealing structure, the sealing strip, which has, is used as the close of stem
Strip of paper used for sealing first end and the end of sealing strip second as afterbody, depth side of the sealing strip first end along the annular seal groove
To being arranged at intervals with some first sealings teeth, the end of sealing strip second, which is provided with, some to be sealed tooth with described first and is engaged
Second sealing tooth, the sealing strip first end and the end of sealing strip second seal tooth and described second close by described first
Envelope tooth mutual cooperation is realized overlapping.
As a kind of preferred technical scheme of described sound box sealing structure, the bottom of the annular seal groove is provided with
Fluid sealant, the sealing strip is bonded in the annular seal groove.
On the other hand there is provided a kind of audio amplifier, including sound box sealing structure as described above.
The beneficial effects of the utility model are：Sound box sealing structure described in the utility model can avoid the single bubble of tradition
Minuteness sealing has gap, causes sealing effectiveness not ideal enough, while relative to the sealing of ring-type foam, the requirement to raw material is more
It is low, product cost can be significantly saved, can be saved while audio is ensured using the audio amplifier of the sound box sealing structure
Cost, improves the market competitiveness.
Brief description of the drawings
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is that audio amplifier cavity described in an embodiment is tightly connected state schematic cross-sectional view with preceding baffle.
Fig. 2 is that audio amplifier cavity described in an embodiment is tightly connected another angle schematic cross-sectional view of state with preceding baffle.
Fig. 3 is that preceding baffle installs dimensional structure diagram after sealing strip described in an embodiment.
Fig. 4 is that preceding baffle installs planar structure schematic diagram after sealing strip described in an embodiment.
Fig. 5 is that preceding baffle installs sectional view after sealing strip described in an embodiment.
Fig. 6 is that preceding baffle installs partial structurtes enlarged drawing after sealing strip described in an embodiment.
Fig. 7 is preceding baffle dimensional structure diagram described in an embodiment.
Fig. 8 is preceding mask plane structural representation described in an embodiment.
Fig. 9 is the first seal groove described in an embodiment and the second seal groove correspondence position sectional view.
Figure 10 is the first seal groove correspondence position sectional view described in an embodiment.
Figure 11 is that audio amplifier cavity described in an embodiment is tightly connected state partial schematic sectional view with preceding baffle.
Figure 12 is that audio amplifier cavity described in another embodiment is tightly connected state partial schematic sectional view with preceding baffle.
Figure 13 is that sealing strip described in an embodiment is arranged on partial structural diagram in annular seal groove.
Figure 14 be described in an embodiment before the second sealing groove location partial enlarged drawing on baffle.
Figure 15 be described in an embodiment before second sealing another visual angle partial enlarged drawing of groove location on baffle.
Figure 16 be described in an embodiment before the first sealing groove location partial enlarged drawing on baffle.
Figure 17 is that sealing strip described in another embodiment is arranged on partial structural diagram in annular seal groove.
Figure 18 is that sealing strip described in another embodiment is arranged on partial structural diagram in annular seal groove.
In figure：
100th, audio amplifier cavity；110th, sealed muscle position；111st, the first muscle position；112nd, the second muscle position；200th, preceding baffle；210th, ring
Shape seal groove；211st, the first seal groove；212nd, the second seal groove；300th, sealing strip；310th, sealing strip first end；320th, sealing strip
Second end.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Embodiment one：
As shown in Fig. 1 to 10,13 to 16, in the present embodiment, a kind of sound box sealing structure described in the utility model is used
Being tightly connected between audio amplifier cavity 100 and preceding baffle 200, including sealing strip 300 and for installing the sealing strip 300
Annular seal groove 210, the sealing strip 300 is end to end to be arranged in the annular seal groove 210, the sealing strip
300 partly overlap in the position of interconnection.
Specifically, the sealing strip 300 described in scheme described in the utility model can be one or more, when described
The a plurality of sealing strip 300 joins end to end successively when sealing strip 300 is a plurality of, and is connected with each other in each two sealing strip 300
Position have part produce it is overlapping, in order to will not be produced in the position of connection gap influence audio amplifier air-tightness.
Sealing strip 300 is described for the situation of one as specific embodiment in the present embodiment, it is specially：
The sealing strip 300 is a strip foam, and its total length is more than the girth of the annular seal groove 210, and its thickness is slightly less than
The depth of the annular seal groove 210, the width of its width and the annular seal groove 210 is adapted, the phase of sealing strip 300
Mutually overlapping part and the thickness of remainder can be the same or different, and the present embodiment is the thickness of whole piece sealing strip 300
Sealing strip 300, is placed in the annular seal groove 210 by the situation of all same in use, because its length is more than
The girth of the annular seal groove 210 therefore will necessarily some overlap, so as to avoid producing gap.
Because overlapping part integral thickness will be greater than the thickness of the remainder of sealing strip 300, while also greater than the ring
The depth of shape seal groove 210, therefore the annular seal groove 210 in the present embodiment includes the first seal groove 211 and second
Seal groove 212, second seal groove 212 is arranged on the bottom of first seal groove 211, and positioned at the sealing strip 300
Overlapped position.
By setting the second seal groove 212 in the bottom of first seal groove 211, the process of sealing strip 300 is being installed
In cause sealing strip 300 lap it is corresponding with the position of second seal groove 212, the sealing of lap can be made
Bar 300 is entered in the second seal groove 212, thus avoid it is overlapping after sealing strip 300 extend out to the opening of annular seal groove 210
Place's influence sealing effectiveness.
The annular seal groove 210 can be arranged on the audio amplifier cavity 100 or the preceding baffle 200, the present embodiment
Middle annular seal groove 210 is arranged on the preceding baffle 200.
A kind of overlapping mode of specific sealing strip 300 is provided in the present embodiment, specifically, in the present embodiment, institute
Sealing strip 300 is stated with the sealing strip first end 310 as stem and the second end of sealing strip 330 as afterbody, it is described close
Strip of paper used for sealing first end 310 is located in second seal groove 212, and second end of sealing strip 330 is located at first sealing strip 300
Top.
It is to be noted that the sealing strip first end 310 and the overlap mode at the second end of the sealing strip 330 are not
Be confined to above-mentioned form, other skilled in the art it is conceivable that overlay structure should be included in protection of the present utility model
In the range of.
Embodiment two：
As shown in Fig. 1 to 11,13 to 16, in the present embodiment, a kind of sound box sealing structure described in the utility model is used
Being tightly connected between audio amplifier cavity 100 and preceding baffle 200, including sealing strip 300 and for installing the sealing strip 300
Annular seal groove 210, the sealing strip 300 is end to end to be arranged in the annular seal groove 210, the sealing strip
300 partly overlap in the position of interconnection.The annular seal groove 210 includes the first seal groove 211 and the second seal groove
212, second seal groove 212 is arranged on the bottom of first seal groove 211, and positioned at the phase mutual respect of sealing strip 300
Folded position.
Equally the annular seal groove 210 is arranged on the preceding baffle 200 in the present embodiment.Simultaneously with the preceding barrier
Plate 200 is corresponding to be provided with sealed muscle position 110 on the audio amplifier cavity 100.Sealed muscle position 110 is used to extrude the sealing strip
300 closely with reference in the annular seal groove 210.
The audio amplifier cavity 100 has the sealing surface towards the preceding baffle 200, and the sealed muscle position 110 protrudes from institute
Sealing surface setting is stated, the sealed muscle position 110 is inserted into the annular seal groove 210 to the sealing strip in the mounted state
300 are extruded.
The sealing strip 300 and preceding baffle for enabling to be located in annular seal groove 210 by the extruding of sealed muscle position 110
200 and audio amplifier cavity 100 combination it is even closer, it is to avoid occur gap influence air-tightness.
Embodiment three：
As shown in Fig. 1 to 16, in the present embodiment, a kind of sound box sealing structure described in the utility model, for audio amplifier
Being tightly connected between cavity 100 and preceding baffle 200, including sealing strip 300 and the annular for installing the sealing strip 300
Seal groove 210, the sealing strip 300 is end to end to be arranged in the annular seal groove 210, and the sealing strip 300 is in phase
The position connected partly overlaps.The annular seal groove 210 includes the first seal groove 211 and the second seal groove 212, described
Second seal groove 212 is arranged on the bottom of first seal groove 211, and positioned at the overlapped position of the sealing strip 300.
The annular seal groove 210 is arranged on the preceding baffle 200.With 210 pairs of the annular seal groove on the audio amplifier cavity 100
That answers is provided with sealed muscle position 110.
Specifically, the sealed muscle position 110 includes first muscle corresponding with first seal groove 211 in the present embodiment
Position 111 and second muscle corresponding with second seal groove 212 position 112, the length of second muscle position 112 are more than described the
The length of one muscle position 111.
Because the depth that the depth at the second seal groove 212 is more than first seal groove 211 is corresponding by the second muscle position 112
The length for being more than the first muscle 111 that length is set can preferably ensure the extruding to sealing strip 300, so as to avoid sealing strip
300 occur the phenomenon of relaxation, cause sealing effectiveness to decline.
Example IV：
As shown in Fig. 1 to 17, in the present embodiment, a kind of sound box sealing structure described in the utility model, for audio amplifier
Being tightly connected between cavity 100 and preceding baffle 200, including sealing strip 300 and the annular for installing the sealing strip 300
Seal groove 210, the sealing strip 300 is end to end to be arranged in the annular seal groove 210, and the sealing strip 300 is in phase
The position connected partly overlaps.
The present embodiment is the overlapping side of sealing strip first end 310 and the second end of sealing strip 330 with the difference of embodiment five
Formula, sealing strip 300 described in the present embodiment has the sealing strip first end 310 as stem and the sealing strip as afterbody the
Two ends 330, medium position of the sealing strip first end 310 on the depth direction of the annular seal groove 210 is provided with recessed
Groove, second end of sealing strip 330 is provided be provided with projection, the raised insertion groove corresponding with the groove
Realize that the first end is overlapping with second end.
Embodiment five：
As shown in Fig. 1 to 16,18, in the present embodiment, a kind of sound box sealing structure described in the utility model, for sound
Being tightly connected between case cavity 100 and preceding baffle 200, including sealing strip 300 and the ring for installing the sealing strip 300
Shape seal groove 210, the sealing strip 300 is end to end to be arranged in the annular seal groove 210, and the sealing strip 300 exists
The position of interconnection partly overlaps.
The present embodiment is the overlapping side of sealing strip first end 310 and the second end of sealing strip 330 with the difference of embodiment five
Formula, sealing strip 300 described in the present embodiment has the sealing strip first end 310 as stem and the sealing strip as afterbody the
Two ends 330, it is close that depth direction of the sealing strip first end 310 along the annular seal groove 210 is arranged at intervals with some first
Tooth is sealed, second end of sealing strip 330 is provided with some the second sealing teeth being engaged with the described first sealing tooth, the sealing
Bar first end 310 is cooperated with second end of sealing strip 330 by the described first sealing tooth and the second sealing tooth
Realize overlapping.
Embodiment six：
In the present embodiment, a kind of sound box sealing structure described in the utility model, for audio amplifier cavity 100 and preceding baffle
Being tightly connected between 200, including sealing strip 300 and the annular seal groove 210 for installing the sealing strip 300, it is described
Sealing strip 300 is end to end to be arranged in the annular seal groove 210, and the sealing strip 300 is in the position portion of interconnection
Divide overlapping.
The bottom of annular seal groove 210 described in the present embodiment is provided with fluid sealant (not shown), the sealing strip
300 are bonded in the annular seal groove 210 by the fluid sealant.By setting fluid sealant in the bottom of annular seal groove 210
Sealing strip 300, which is bonded in annular seal groove 210, can preferably ensure sealing effectiveness.
Embodiment seven：
In the present embodiment, a kind of audio amplifier described in the utility model, including the audio amplifier sealing as described in above-mentioned embodiment
Structure.
The utility model is illustrated above by specific embodiment, but the utility model is not limited to these tools
The embodiment of body.It will be understood by those skilled in the art that various modifications, equivalent substitution, change can also be made to the utility model
Etc..But, these conversion, all should be within protection domain of the present utility model without departing from spirit of the present utility model.
In addition, some terms used in present specification and claims are not limitation, it is only for be easy to description.This
Outside, described in above many places " embodiment one ", " embodiment two " etc. represents different embodiment, naturally it is also possible to by it all or
Part is combined in one embodiment.
Claims (10)
1. a kind of sound box sealing structure, for being tightly connected between audio amplifier cavity and preceding baffle, it is characterised in that including sealing
Bar and the annular seal groove for installing the sealing strip, the sealing strip it is end to end be arranged on the annular seal groove
In, the sealing strip partly overlaps in the position of interconnection.
2. sound box sealing structure according to claim 1, it is characterised in that the annular seal groove includes the first seal groove
And second seal groove, second seal groove is arranged on the bottom of first seal groove, and mutual positioned at the sealing strip
Overlapping position.
3. sound box sealing structure according to claim 2, it is characterised in that the annular seal groove is arranged on the audio amplifier
On cavity or the preceding baffle.
4. sound box sealing structure according to claim 3, it is characterised in that on the preceding baffle or the audio amplifier cavity with
The annular seal groove is corresponding to be provided with sealed muscle position.
5. sound box sealing structure according to claim 4, it is characterised in that the sealed muscle position include with it is described first close
The corresponding first muscle position of sealing groove and the second muscle corresponding with second seal groove position, the length of the second muscle position are more than institute
State the length of the first muscle position.
6. the sound box sealing structure according to any one of claim 2 to 5, it is characterised in that the sealing strip, which has, to be made
Sealing strip first end for stem and the end of sealing strip second as afterbody, it is close that the sealing strip first end is located at described second
In sealing groove, the end of sealing strip second is located at the top of first sealing strip.
7. sound box sealing structure according to any one of claim 1 to 5, it is characterised in that the sealing strip, which has, to be made
Sealing strip first end for stem and the end of sealing strip second as afterbody, the sealing strip first end is in the ring packing
Medium position on the depth direction of groove sets fluted, and the end of sealing strip second is provided with set corresponding with the groove
Have in projection, the raised insertion groove and realize that the first end is overlapping with second end.
8. sound box sealing structure according to any one of claim 1 to 5, it is characterised in that the sealing strip, which has, to be made
Sealing strip first end for stem and the end of sealing strip second as afterbody, the sealing strip first end is along the ring packing
The depth direction of groove is arranged at intervals with some first sealing teeth, and the end of sealing strip second is provided with some and the described first sealing
The second sealing tooth that tooth is engaged, the sealing strip first end and the end of sealing strip second by the described first sealing tooth and
The second sealing tooth mutual cooperation is realized overlapping.
9. sound box sealing structure according to any one of claim 1 to 5, it is characterised in that the annular seal groove
Bottom is provided with fluid sealant, and the sealing strip is bonded in the annular seal groove.
10. a kind of audio amplifier, it is characterised in that including the sound box sealing structure any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092747.5U CN206350134U (en) | 2016-09-29 | 2016-09-29 | A kind of sound box sealing structure and audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092747.5U CN206350134U (en) | 2016-09-29 | 2016-09-29 | A kind of sound box sealing structure and audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206350134U true CN206350134U (en) | 2017-07-21 |
Family
ID=59320462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621092747.5U Expired - Fee Related CN206350134U (en) | 2016-09-29 | 2016-09-29 | A kind of sound box sealing structure and audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206350134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111343524A (en) * | 2020-03-03 | 2020-06-26 | 深圳市凯尔斯塑胶电子有限公司 | Loudspeaker sound cavity for DVD |
-
2016
- 2016-09-29 CN CN201621092747.5U patent/CN206350134U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111343524A (en) * | 2020-03-03 | 2020-06-26 | 深圳市凯尔斯塑胶电子有限公司 | Loudspeaker sound cavity for DVD |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |