CN207251839U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN207251839U CN207251839U CN201721037067.8U CN201721037067U CN207251839U CN 207251839 U CN207251839 U CN 207251839U CN 201721037067 U CN201721037067 U CN 201721037067U CN 207251839 U CN207251839 U CN 207251839U
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- China
- Prior art keywords
- frame
- back cavity
- lower cover
- reinforcing rib
- loudspeaker enclosure
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Abstract
The utility model provides a kind of loudspeaker enclosure, including lower cover, upper cover, sounding monomer, ventilative barrier assembly and double wall；The sounding monomer and the upper cover surround ante-chamber, the sounding monomer, the lower cover and the upper cover surround back cavity jointly, the ventilative barrier assembly fixed clamp is in the double wall and the back cavity is divided into the first back cavity and the second back cavity being connected jointly with the double wall, the sounding monomer is located at first back cavity, the sound-absorbing particle is packaged in second back cavity by filling sound-absorbing particle, the ventilative barrier assembly in second back cavity；The ventilative barrier assembly includes frame and the screen cloth being fixed on the frame, the frame is including frame annular in shape and in frame and connects the reinforcing rib of the frame opposite sides, and the frame is fixed on the double wall and is connected to the lower cover and the upper cover respectively.Compared with correlation technique, the loudspeaker enclosure of the utility model is highly reliable and audio performance especially low frequency performance is good.
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 equipment
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.At present, the function of mobile phone is extremely various, 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 upper cover to form a receiving space is assembled with the lower cover, one houses
In the sounding monomer in the receiving space and the double wall extended from the upper cover to lower cover direction and it is fixed on the double wall
Air-permeable partitioning plate；The sounding monomer surrounds ante-chamber with the upper cover, and the sounding monomer, the upper cover and the lower cover are common
Surround back cavity；The back cavity is divided into interconnected the first back cavity and the second back cavity, the hair by the ventilative barrier assembly
Sound monomer is located at first back cavity, filling sound-absorbing particle in second back cavity, and the air-permeable partitioning plate is by the sound-absorbing
Grain is packaged in second back cavity, so as to improve the frequency acoustic performance of the loudspeaker enclosure.
However, in the loudspeaker enclosure of correlation technique, the air-permeable partitioning plate includes the frame of rectangular configuration and is fixed on institute
The screen cloth of frame is stated, is easily deformed when the screen cloth is under pressure larger and comes off from the frame so that is described to raise one's voice
The reliability of device case is inadequate.
Therefore, a kind of new loudspeaker enclosure must be provided by, which having in fact, solves above-mentioned technical problem.
【Utility model content】
Raise one's voice the purpose of this utility model is to provide a kind of highly reliable and audio performance especially low frequency performance is good
Device case.
In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure, including lower cover and the lower cover surround receipts
The upper cover for holding space, the sounding monomer being contained in the receiving space, ventilative barrier assembly and from the upper cover under described
Lid direction extends and is connected to the double wall of the lower cover；The sounding monomer and the upper cover surround ante-chamber, the sounding monomer,
The lower cover and the upper cover surround back cavity jointly, the ventilative barrier assembly fixed clamp in the double wall and with the double wall
The back cavity is divided into the first back cavity and the second back cavity being connected jointly, the sounding monomer is located at first back cavity,
The sound-absorbing particle is packaged in second back cavity by filling sound-absorbing particle, the ventilative barrier assembly in second back cavity
It is interior；The ventilative barrier assembly includes frame and the screen cloth being fixed on the frame, and the frame includes frame annular in shape
And in frame and the reinforcing rib of the frame opposite sides is connected, the frame is fixed on the double wall and abuts respectively
In the lower cover and the upper cover.
Preferably, the reinforcing rib is included parallel at least one first reinforcing rib of the lower cover or under described
At least one second reinforcing rib of lid.
Preferably, second reinforcing rib includes two and spaced setting.
Preferably, first reinforcing rib includes two and spaced setting.
Preferably, the reinforcing rib is included parallel at least one first reinforcing rib of the lower cover and under described
At least one second reinforcing rib of lid.
Preferably, the double wall includes two and is oppositely arranged, and each double wall includes body and by the body
To the concave sliding slot of its other end, the frame is inserted into and is arranged in two sliding slots for one end of the close lower cover in portion
It is interior.
Preferably, the width of the sliding slot is equal to the thickness of the frame.
Preferably, the upper cover is equipped with groove in the position of the correspondence frame, and the frame is stuck in the groove.
Preferably, the frame and the screen cloth are integrally formed.
Preferably, the screen cloth is located at the side of close first back cavity of the frame.
Compared with correlation technique, in the loudspeaker enclosure of the utility model, the frame of the ventilative barrier assembly is arranged to
Frame annular in shape and in the frame and the connection frame opposite sides reinforcing rib, the setting of the reinforcing rib
The frame intensity increase, avoid when the frame and upper cover and lower cover seal with reference to when deform because of insufficient strength,
The problem of causing poor sealing；In addition, also make it that the screen cloth is fixed on not variable after the frame for the setting of the reinforcing rib
Shape, structure is more stable, avoids sound-absorbing particle and enters the first back cavity from the second back cavity, so that improve the loudspeaker enclosure can
By performance and frequency acoustic performance.
【Brief description of the drawings】
Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；
Fig. 2 is the part isometric structure decomposition figure of Fig. 1；
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 cover 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 cover 2.
The sounding monomer 3 is contained in the receiving space 6, and the sounding monomer 3 and the upper cover 2 surround ante-chamber
61, for sounding；The sounding monomer 3, the lower cover 1 and the upper cover 2 surround back cavity 62 jointly, for improving frequency acoustic
Performance.
The double wall 4 extends from the upper cover 2 to 1 direction of lower cover and is connected to the lower cover 1.
5 fixed clamp of ventilative barrier assembly 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 is connected with second back cavity 622.In present embodiment,
First back cavity 621 is connected 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 is included in frame 51 and the screen cloth 52 being fixed on the frame 51.The double wall 4 with
The ventilative barrier assembly 5 is equipped with and the frame 51 is held on the double wall 4 and be connected to 2 He of upper cover respectively
The lower cover 1.More preferably, the frame 51 and the screen cloth 52 are integrally formed.
Specifically, the frame 51 includes frame 511 annular in shape and in frame 511 and the connection frame
The reinforcing rib 512 of 511 opposite sides.The frame 511 is fixed on the double wall 4 and is connected to the lower cover 1 and described respectively
Upper cover 2, and formed and sealed by pressing or other means.
The reinforcing rib 512 includes at least one first reinforcing rib 5121 parallel to the lower cover 1, or perpendicular to described
At least one second reinforcing rib 5122 of lower cover 1.
For example second reinforcing rib 5122 includes one；Alternatively, first reinforcing rib 5121 includes one.So as to
So that the frame 51 forms " day " character form structure.
For example second reinforcing rib 5122 includes two and spaced setting；Alternatively, first reinforcing rib 5121
Including two and spaced setting.So that the frame 51 forms " mesh " character form structure.
It is of course also possible to it is：The reinforcing rib 512 includes at least one first reinforcing rib parallel to the lower cover 1
5121 and at least one second reinforcing rib 5122 perpendicular to the lower cover 1.
For example the reinforcing rib 512 includes first reinforcing rib 5121 and second reinforcing rib 5122.So that
The frame 51 forms sphere of movements for the elephants shape structure.
Need what is illustrated, the structure of the frame 51 is not limited to the above situation, its principle all, passes through the reinforcement
Muscle 512 increases the intensity of the frame 51.
In present embodiment, the double wall 4 includes two and is oppositely arranged, and each double wall 4 includes 41 He of body
From the body 41 the close lower cover 1 one end to the concave sliding slot 42 of its other end, width of the sliding slot 42 etc.
In the thickness of the frame 511, the frame 511 is inserted into and presses in two sliding slots 42, this is simple in structure and fills
With convenient, effectively prevent sound-absorbing particle in second back cavity 622 by the left and right sides of the ventilative barrier assembly 5 into
Enter first back cavity 621, improve the reliability of the loudspeaker enclosure 100.
Further, the upper cover 2 is equipped with groove 21 in the position of the correspondence frame 511, and the frame 511 is further
It is arranged in the groove 21.The sound-absorbing particle is by described ventilative after the structure can prevent the assembling of ventilative barrier assembly 5
The lower end of barrier assembly 5 enters first back cavity 621 (close to the side of the lower cover 1), improves the loudspeaker enclosure 100
Reliability.
In order to further increase the volume of second back cavity 622, the screen cloth 52 is located at the close institute of the frame 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, in the loudspeaker enclosure of the utility model, the frame of the ventilative barrier assembly is arranged to
Frame annular in shape and in frame and the connection frame opposite sides reinforcing rib, the reinforcing rib sets to obtain institute
State the intensity increase of frame, avoid when the frame and upper cover and lower cover seal with reference to when deform because of insufficient strength, cause
The problem of poor sealing；In addition, the setting of the reinforcing rib also causes the screen cloth to be unlikely to deform after being fixed on the frame, knot
Structure is more stable, avoids sound-absorbing particle and enters the first back cavity from the second back cavity, so as to improve the reliability of the loudspeaker enclosure
Can be with frequency acoustic performance.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other relevant technical fields, are equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of loudspeaker enclosure, including lower cover and the lower cover surround the upper cover of receiving space, are contained in the receiving space
Sounding monomer, ventilative barrier assembly and extend from the upper cover to the lower cover direction and be connected to the double wall of the lower cover,
The sounding monomer and the upper cover surround ante-chamber, and the sounding monomer, the lower cover and the upper cover surround back cavity jointly, institute
State ventilative barrier assembly fixed clamp and the back cavity is divided into be connected first jointly in the double wall and with the double wall
Back cavity and the second back cavity, the sounding monomer are located at first back cavity, and sound-absorbing particle is filled in second back cavity, described
The sound-absorbing particle is packaged in second back cavity by gas barrier assembly, it is characterised in that the ventilative barrier assembly includes
Frame and the screen cloth being fixed on the frame, the frame include frame annular in shape and in frame and described in connections
The reinforcing rib of frame opposite sides, the frame are fixed on the double wall and are connected to the lower cover and the upper cover respectively.
2. loudspeaker enclosure according to claim 1, it is characterised in that the reinforcing rib is included parallel to the lower cover extremely
Few first reinforcing rib or at least one second reinforcing rib perpendicular to the lower cover.
3. loudspeaker enclosure according to claim 2, it is characterised in that second reinforcing rib is including two and spaced
Set.
4. loudspeaker enclosure according to claim 2, it is characterised in that first reinforcing rib is including two and spaced
Set.
5. loudspeaker enclosure according to claim 1, it is characterised in that the reinforcing rib is included parallel to the lower cover extremely
Few first reinforcing rib and at least one second reinforcing rib perpendicular to the lower cover.
6. loudspeaker enclosure according to claim 1, 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 one end to the concave sliding slot of its other end, it is described
Frame is inserted into and is arranged in two sliding slots.
7. loudspeaker enclosure according to claim 6, it is characterised in that the width of the sliding slot is equal to the thickness of the frame
Degree.
8. loudspeaker enclosure according to claim 7, it is characterised in that the upper cover is equipped with the position of the correspondence frame
Groove, the frame are stuck in the groove.
9. loudspeaker enclosure according to claim 1, it is characterised in that the frame and the screen cloth for integrated through injection molding into
Type.
10. loudspeaker enclosure according to claim 1, it is characterised in that the screen cloth is located at the close described of the frame
The side of first back cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721037067.8U CN207251839U (en) | 2017-08-18 | 2017-08-18 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721037067.8U CN207251839U (en) | 2017-08-18 | 2017-08-18 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251839U true CN207251839U (en) | 2018-04-17 |
Family
ID=61880731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721037067.8U Active CN207251839U (en) | 2017-08-18 | 2017-08-18 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207251839U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810768A (en) * | 2018-08-03 | 2018-11-13 | 瑞声科技(新加坡)有限公司 | Loud speaker module |
| CN109195065A (en) * | 2018-11-16 | 2019-01-11 | 歌尔股份有限公司 | Loudspeaker mould group |
| WO2021109176A1 (en) * | 2019-12-03 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and terminal device |
-
2017
- 2017-08-18 CN CN201721037067.8U patent/CN207251839U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810768A (en) * | 2018-08-03 | 2018-11-13 | 瑞声科技(新加坡)有限公司 | Loud speaker module |
| WO2020024679A1 (en) * | 2018-08-03 | 2020-02-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
| CN109195065A (en) * | 2018-11-16 | 2019-01-11 | 歌尔股份有限公司 | Loudspeaker mould group |
| WO2021109176A1 (en) * | 2019-12-03 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and terminal device |
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| GR01 | Patent grant |