CN207099286U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN207099286U CN207099286U CN201720959006.0U CN201720959006U CN207099286U CN 207099286 U CN207099286 U CN 207099286U CN 201720959006 U CN201720959006 U CN 201720959006U CN 207099286 U CN207099286 U CN 207099286U
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- CN
- China
- Prior art keywords
- back cavity
- lower cover
- framework
- barrier assembly
- loudspeaker enclosure
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Abstract
The utility model provides a kind of loudspeaker enclosure, including lower cover, upper lid, sounding monomer, ventilative barrier assembly and extends and be connected to the double wall of the lower cover to the lower cover direction from covering on described；The sounding monomer and the upper lid surround ante-chamber, the sounding monomer, the lower cover and the upper lid surround back cavity jointly, the back cavity is divided into the first back cavity and the second back cavity by the ventilative barrier assembly fixed clamp jointly in the double wall and with the double wall, first back cavity connects with second back cavity, the sounding monomer is located at first back cavity, and sound-absorbing particle is filled in second back cavity；It is covered with described to the upper lid direction extension and passes through the sealing welding muscle with the sealing welding muscle of the ventilative barrier assembly face setting, the lower cover and form sealing with the ventilative barrier assembly ultrasonic bonding.Compared with correlation technique, loudspeaker enclosure frequency acoustic performance of the present utility model is more excellent and good reliability.
Description
【Technical field】
It the utility model is related to a kind of electroacoustic device, more particularly to a kind of loudspeaker enclosure.
【Background technology】
With the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.At present, the function of mobile phone is extremely various, and one of them is just
It is the music function of high-quality, therefore, the loudspeaker enclosure for playing sound is widely applied Intelligent mobile equipment till now
Among.
The case of raising one's voice of correlation technique includes lower cover, the Shang Gai to form a receiving space is assembled with the lower cover, one houses
In the sounding monomer in the receiving space and from covering the retaining wall extended to lower cover direction on described, the sounding monomer with it is described
Upper lid surrounds ante-chamber, and the sounding monomer, the upper lid and the lower cover surround back cavity jointly, and the retaining wall encloses with the upper lid
Into auxiliary sounding chamber, its breathable membrane parallel with the lower cover that be sticked close to the side of the lower cover, by the auxiliary
Sounding intracavitary, which is filled out, sets sound-absorbing particle formation Virtual Sound chamber, so as to improve the frequency acoustic performance of the loudspeaker enclosure.
However, in the loudspeaker enclosure of correlation technique, the breathable membrane passes through hot-melt adhesive paste, the retaining wall with the retaining wall
The hot melt wall that setting a layer thickness is about 0.70mm is needed to coordinate hot melting process, meanwhile, the breathable membrane is parallel to institute
Lower cover setting is stated, it need to set leakage of the gap of about 0.3mm height as back cavity with the lower cover.The hot melt wall and institute
The volume of the auxiliary sounding chamber as the virtual operatic tunes of the setting occupancy of the interstitial structure of leakage is stated, then is caused described virtual
The volume of the operatic tunes reduces, and have impact on the frequency acoustic performance of the loudspeaker enclosure.
Therefore, a kind of new loudspeaker enclosure must be provided by, which having in fact, solves above-mentioned technical problem.
【Utility model content】
The purpose of this utility model is to provide that a kind of simple in construction and audio performance especially low frequency performance is good to raise one's voice
Device case.
In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure, including lower cover, surrounds with the lower cover
The upper lid of receiving space, the sounding monomer being contained in the receiving space, ventilative barrier assembly and from covering to described on described
Lower cover direction extends and is connected to the double wall of the lower cover；The sounding monomer and the upper lid surround ante-chamber, the sounding list
Body, the lower cover and the upper lid surround back cavity jointly, the ventilative barrier assembly fixed clamp in the double wall and with it is described
The back cavity is divided into the first back cavity and the second back cavity by double wall jointly, and first back cavity connects with second back cavity, institute
State sounding monomer and be located at first back cavity, sound-absorbing particle is filled in second back cavity, the ventilative barrier assembly is by described in
Sound-absorbing particle is packaged in second back cavity；It is covered with described to the upper lid direction extension and ventilative isolates group with described
The sealing welding muscle that part face is set, the lower cover pass through the sealing welding muscle and the ventilative barrier assembly ultrasonic bonding
Form sealing.
Preferably, the ventilative barrier assembly includes framework and the screen cloth being fixed on the framework, the framework clamping
In the double wall, the lower cover is formed by the sealing welding muscle and the framework ultrasonic bonding and sealed.
Preferably, the double wall includes two and is oppositely arranged, and each double wall includes body and by the body
To the chute of its another concave end, the framework inserts and is arranged in two chutes for one end of the close lower cover in portion
It is interior.
Preferably, the width of the chute is equal to the thickness of the framework.
Preferably, covered on described and be provided with groove in the position of the corresponding framework, the framework is arranged in the groove.
Preferably, the framework and the screen cloth are injection moulding integrated molding.
Preferably, the screen cloth is located at the side of close first back cavity of the framework.
Compared with correlation technique, loudspeaker enclosure of the present utility model covers the double wall extended to lower cover direction from above by setting
And the ventilative barrier assembly of the double wall is located in, the back cavity is separated into the first back cavity and the second back cavity by the two jointly, is led to
Cross the filling sound-absorbing particle in second back cavity and become the virtual operatic tunes, be not only simple in structure, also improve the loudspeaker
The low frequency performance of case；The sealing for extending to the upper lid direction and being set with the ventilative barrier assembly face is covered with described
Welding bar, the lower cover are formed with the ventilative barrier assembly ultrasonic bonding by the sealing welding muscle and sealed, sealing
Height that is good and eliminating setting hot melt wall, relative to the volume for adding second back cavity, further improves described raise
The low frequency performance of sound device case.
【Brief description of the drawings】
Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；
Fig. 2 is Fig. 1 part isometric structure decomposition figure；
Fig. 3 is the cut-away view of the line A-A along Fig. 1.
【Embodiment】
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Please refer to Fig. 1-3, the utility model provides a kind of loudspeaker enclosure 100, including lower cover 1, upper lid 2, sounding
Monomer 3, double wall 4 and ventilative barrier assembly 5.The lower cover 1 assembles to form receiving space 6 jointly with the upper lid 2.
The sounding monomer 3 is contained in the receiving space 6, and the sounding monomer 3 and the upper lid 2 surround ante-chamber
61, for sounding；The sounding monomer 3, the lower cover 1 and the upper lid 2 surround back cavity 62 jointly, for improving frequency acoustic
Performance.
The double wall 4 extends from the upper lid 2 to the direction of lower cover 1 and is connected to the lower cover 1.
The fixed clamp of ventilative barrier assembly 5 jointly separates the back cavity 62 in the double wall 4 and with the double wall 4
For the first back cavity 621 and the second back cavity 622.First back cavity 621 connects with second back cavity 622.In present embodiment,
First back cavity 621 connects with second back cavity 622 refers to the two air communication.
Specifically, the sounding monomer 3 is located at first back cavity 621, sound-absorbing particle is filled in second back cavity 622
(not shown), for forming the virtual operatic tunes, to improve frequency acoustic performance, the ventilative barrier assembly 5 is by the sound-absorbing particle
It is packaged in second back cavity 622.In present embodiment, the sound-absorbing particle is zeolite granular.
The ventilative barrier assembly 5 includes framework 51 and the screen cloth 52 being incorporated on the framework 51, and the framework 51 presss from both sides
It is held in the double wall 4.Preferably, the framework 51 and the screen cloth 52 are injection moulding integrated molding.In present embodiment, the net
Cloth 52 can be non-woven fabrics or dustless screen cloth or nylon mesh grid or wire netting etc., for parting of ventilating.
In present embodiment, the double wall 4 includes two and is oppositely arranged, and each double wall 4 includes the He of body 41
From the body 41 the close lower cover 1 chute 42, the width of the chute 42 etc. from one end to its another concave end
In the thickness of the framework 51, the framework 51 is inserted and is arranged in two chutes 42, the simple in construction and assembling side
Just the sound-absorbing particle that effectively prevent simultaneously in second back cavity 622 is entered by the left and right sides of the ventilative barrier assembly 5
Enter first back cavity 621, improve the reliability of the loudspeaker enclosure 100.
The lower cover 1 is provided with to the upper direction of lid 2 extension and welded with the sealing of the ventilative face of barrier assembly 5 setting
Muscle 7 is connect, the lower cover 1 realizes sealing by the sealing welding muscle 7 and the ventilative ultrasonic bonding of barrier assembly 5.
Specifically, the sealing welding muscle 7 makes the lower cover 1 and the ventilative barrier assembly after being melted by the ultrasonic wave
5 framework 51, which is formed, to be tightly connected.Prevent the sound-absorbing particle in second back cavity 622 from passing through the ventilative barrier assembly
5 lower end enters first back cavity 621, improves the reliability of the loudspeaker enclosure 100.
Further, the upper lid 2 is provided with groove 21 in the position of the corresponding framework 51, and the framework 51 further blocks
In the groove 21.The structure can prevent the ventilative barrier assembly 5 assemble after the sound-absorbing particle by it is described it is ventilative every
Upper end from component 5 enters first back cavity 621, improves the reliability of the loudspeaker enclosure 100.
In order to further increase the volume of second back cavity 622, the screen cloth 52 is located at the close institute of the framework 51
State the side of the first back cavity 621.The structure setting can greatly increase the volume of the virtual operatic tunes, improve audio frequency effect more
It is excellent.
Compared with correlation technique, loudspeaker enclosure of the present utility model covers the double wall extended to lower cover direction from above by setting
And the ventilative barrier assembly of the double wall is located in, the back cavity is separated into the first back cavity and the second back cavity by the two jointly, is led to
Cross the filling sound-absorbing particle in second back cavity and become the virtual operatic tunes, be not only simple in structure, also improve the loudspeaker
The low frequency performance of case；The sealing for extending to the upper lid direction and being set with the ventilative barrier assembly face is covered with described
Welding bar, the lower cover are formed with the ventilative barrier assembly ultrasonic bonding by the sealing welding muscle and sealed, sealing
Height that is good and eliminating setting hot melt wall, relative to the volume for adding second back cavity, further improves described raise
The low frequency performance of sound device case.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (7)
1. a kind of loudspeaker enclosure, including lower cover and the lower cover surround the upper lid of receiving space and are contained in the receiving space
Interior sounding monomer, the sounding monomer and the upper lid surround ante-chamber, and the sounding monomer, the lower cover and the upper lid are altogether
With surrounding back cavity, it is characterised in that the loudspeaker enclosure also includes ventilative barrier assembly and from covering to the lower cover side on described
To extending and being connected to the double wall of the lower cover, the ventilative barrier assembly fixed clamp is total in the double wall and with the double wall
It is divided into the first back cavity and the second back cavity with by the back cavity, first back cavity connects with second back cavity, the sounding
Monomer is located at first back cavity, filling sound-absorbing particle in second back cavity, and the ventilative barrier assembly is by the sound-absorbing
Grain is packaged in second back cavity；Be covered with described to the upper lid direction extension and with the ventilative barrier assembly face
The sealing welding muscle of setting, the lower cover are formed close by the sealing welding muscle with the ventilative barrier assembly ultrasonic bonding
Envelope.
2. loudspeaker enclosure according to claim 1, it is characterised in that the ventilative barrier assembly includes framework and is fixed on
Screen cloth on the framework, the framework are held on the double wall, and the lower cover passes through the sealing welding muscle and the framework
Ultrasonic bonding forms sealing.
3. loudspeaker enclosure according to claim 2, it is characterised in that the double wall includes two and is oppositely arranged, each
The double wall include body and from the body the close lower cover chute from one end to its another concave end, it is described
Framework is inserted and is arranged in two chutes.
4. loudspeaker enclosure according to claim 3, it is characterised in that the width of the chute is equal to the thickness of the framework
Degree.
5. loudspeaker enclosure according to claim 3, it is characterised in that cover on described and be provided with the position of the corresponding framework
Groove, the framework are arranged in the groove.
6. loudspeaker enclosure according to claim 2, it is characterised in that the framework and the screen cloth be integrated through injection molding into
Type.
7. loudspeaker enclosure according to claim 2, it is characterised in that the screen cloth is located at close described the of the framework
The side of one back cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959006.0U CN207099286U (en) | 2017-08-02 | 2017-08-02 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959006.0U CN207099286U (en) | 2017-08-02 | 2017-08-02 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207099286U true CN207099286U (en) | 2018-03-13 |
Family
ID=61542583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720959006.0U Active CN207099286U (en) | 2017-08-02 | 2017-08-02 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207099286U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062632A1 (en) * | 2018-09-28 | 2020-04-02 | 歌尔股份有限公司 | Loudspeaker module |
| WO2021128011A1 (en) * | 2019-12-24 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
-
2017
- 2017-08-02 CN CN201720959006.0U patent/CN207099286U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062632A1 (en) * | 2018-09-28 | 2020-04-02 | 歌尔股份有限公司 | Loudspeaker module |
| US11564040B2 (en) | 2018-09-28 | 2023-01-24 | Goertek Inc. | Speaker module |
| WO2021128011A1 (en) * | 2019-12-24 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
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| GR01 | Patent grant |