CN210075488U - Sound device is inhaled to back chamber multilayer for speaker - Google Patents
Sound device is inhaled to back chamber multilayer for speaker Download PDFInfo
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- CN210075488U CN210075488U CN201921171861.0U CN201921171861U CN210075488U CN 210075488 U CN210075488 U CN 210075488U CN 201921171861 U CN201921171861 U CN 201921171861U CN 210075488 U CN210075488 U CN 210075488U
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- speaker
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Abstract
The utility model provides a rear cavity multilayer sound absorption device for a loudspeaker, which comprises a loudspeaker, a fixed block, a fixed bolt, a shell, sound absorption particles, a cover body, a sound absorption plate, a sealing ring and a blocking net, wherein the fixed block is welded on one side surface of the loudspeaker, and the shell is arranged in the fixed block; the fixing bolt penetrates through the fixing block to be connected with the shell, sound absorption particles are arranged inside the shell, and a cover body is arranged on one side face of the shell through threads; the sound absorption plate is embedded in the shell, and a sealing ring is arranged between the shell and the loudspeaker; the blocking net is embedded between the shell and the loudspeaker. The utility model discloses the lid, the setting of abatvoix and sealing washer, sound absorbing effect is better, is convenient for install, and sealed effect is better, is difficult to appear the condition of damaging, is convenient for follow the trade, very big reduction the noise of speaker.
Description
Technical Field
The utility model belongs to the technical field of the speaker apparatus, especially, relate to a sound device is inhaled to back chamber multilayer for speaker.
Background
With the development of electronic consumer products such as earphones, mobile phones, sound boxes, flat panels, notebook computers and the like towards miniaturization and lightness, people have higher and higher requirements on electronic product sound production equipment, and sound absorption cotton is usually additionally arranged on a loudspeaker part to achieve the purpose of optimizing sound effect. The sound-absorbing cotton, also called tuning cotton, has the effects of adjusting tip and avoiding sound, and has the functions of damping, removing noise and the like.
The invention discloses a composite sound absorption cotton for a loudspeaker module, which is named as CN 207128368U, and the sound absorption cotton sequentially comprises double-sided adhesive, polyurethane microporous sound absorption cotton, trichlorocyanamide ultramicropore sound absorption cotton and polyurethane semi-open pore sound absorption cotton from bottom to top. But the cotton exists that sound effect is relatively poor in the compound sound of inhaling of current speaker module, is not convenient for install, and sealed effect is relatively poor, appears the condition of damage easily, is not convenient for carry out with the problem of trading.
Therefore, it is necessary to invent a rear-cavity multilayer sound-absorbing device for a speaker.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sound device is inhaled to back chamber multilayer for speaker to the compound sound cotton of inhaling of solving current speaker module has the sound effect of inhaling relatively poor, is not convenient for install, and sealed effect is relatively poor, appears the condition of damage easily, is not convenient for carry out with the problem of trading. A rear cavity multilayer sound absorption device for a loudspeaker comprises the loudspeaker, a fixed block, a fixing bolt, a shell, sound absorption particles, a cover body, a sound absorption plate, a sealing ring and a blocking net, wherein the fixed block is welded on one side face of the loudspeaker, and the shell is arranged in the fixed block; the fixing bolt penetrates through the fixing block to be connected with the shell, sound absorption particles are arranged inside the shell, and a cover body is arranged on one side face of the shell through threads; the sound absorption plate is embedded in the shell, and a sealing ring is arranged between the shell and the loudspeaker; the blocking net is embedded between the shell and the loudspeaker, wherein the blocking net comprises a connecting frame, a buckle and a net body, the connecting frame is arranged between the shell and the loudspeaker, and the net body is arranged in the middle of the connecting frame through the buckle.
The sound absorption board comprises a frame, polyurethane micropore sound absorption cotton, trichlorocyanamide ultramicropore sound absorption cotton and polyurethane half-open-pore sound absorption cotton, wherein the frame is embedded in the shell, the polyurethane micropore sound absorption cotton is arranged in the frame, one side surface of the polyurethane micropore sound absorption cotton is provided with the trichlorocyanamide ultramicropore sound absorption cotton, and the end part of the trichlorocyanamide ultramicropore sound absorption cotton is embedded in the frame; one side of the trichlorocyanamide ultramicropore sound-absorbing cotton is provided with polyurethane semi-open pore sound-absorbing cotton, and the end part of the polyurethane semi-open pore sound-absorbing cotton is embedded in the frame.
The fixing bolts are four, one end of each fixing bolt penetrates through the fixing block or the shell to be connected with the loudspeaker, a sealing ring is embedded between the shell and the loudspeaker, and the sealing ring is annular and made of rubber materials.
The lid is provided with two, and wherein the lid passes through the screw thread and links to each other with a side of shell, and the lid passes the shell and links to each other with the shell is inside, and this lid is bigger than the sound granule of inhaling.
The net body is made of a polypropylene material, wherein a plurality of through holes are formed in the net body, and the through holes in the net body are smaller than the sound-absorbing particles; the net body is embedded in the connecting frame through a buckle, wherein the connecting frame is in an L shape made of a polypropylene material.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the setting of abatvoix, simple structure, the result of use is better, is convenient for install, can absorb the noise that the speaker produced effectively, very big improvement the tone quality of speaker.
2. The utility model discloses inside the setting of sealing washer can effectually prevent that dust from entering into the speaker, avoided dust to influence the condition of tone quality, the result of use is better, the installation and the dismantlement of this device of being convenient for simultaneously.
3. The utility model discloses the sound granule is inhaled in can effectively pouring into to the shell through opening the lid to the setting of lid, has avoided the condition of dismantling many times, has strengthened the life of this device.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the sound-absorbing panel of the present invention.
Fig. 3 is a schematic view of the blocking net of the present invention.
In the figure:
1-loudspeaker, 2-fixed block, 3-fixed bolt, 4-shell, 5-sound-absorbing particle, 6-cover body, 7-sound-absorbing plate, 71-frame, 72-polyurethane microporous sound-absorbing cotton, 73-trichlorocyanamide ultramicropore sound-absorbing cotton, 74-polyurethane semi-open pore sound-absorbing cotton, 8-sealing ring, 9-blocking net, 91-connecting frame, 92-buckle and 93-net body.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 3
The utility model provides a rear cavity multilayer sound absorption device for a loudspeaker, which comprises a loudspeaker 1, a fixed block 2, a fixed bolt 3, a shell 4, sound absorption particles 5, a cover body 6, a sound absorption plate 7, a sealing ring 8 and a blocking net 9, wherein the fixed block 2 is welded on one side surface of the loudspeaker 1, and the shell 4 is arranged in the fixed block 2; the fixing bolt 3 penetrates through the fixing block 2 to be connected with the shell 4, sound absorption particles 5 are arranged inside the shell 4, and a cover body 6 is installed on one side face of the shell 4 through threads; the sound-absorbing plate 7 is embedded in the shell 4, and a sealing ring 8 is arranged between the shell 4 and the loudspeaker 1; the blocking net 9 is embedded between the shell 4 and the loudspeaker 1, wherein the blocking net 9 comprises a connecting frame 91, a buckle 92 and a net body 93, the connecting frame 91 is arranged between the shell 4 and the loudspeaker 1, and the net body 93 is arranged in the middle of the connecting frame 91 through the buckle 92.
The sound absorption board 7 comprises a frame 71, polyurethane microporous sound absorption cotton 72, trichlorocyanamide ultramicropore sound absorption cotton 73 and polyurethane semi-open-pore sound absorption cotton 74, wherein the frame 71 is embedded in the shell 4, the polyurethane microporous sound absorption cotton 72 is arranged in the frame 71, one side surface of the polyurethane microporous sound absorption cotton 72 is provided with the trichlorocyanamide ultramicropore sound absorption cotton 73, and the end part of the trichlorocyanamide ultramicropore sound absorption cotton 73 is embedded in the frame 71; one side of the trichlorocyanamide ultramicropore sound absorption cotton 73 is provided with polyurethane semi-open sound absorption cotton 74, wherein the end part of the polyurethane semi-open sound absorption cotton 74 is embedded in the frame 71, the structure is simple, the using effect is good, the installation is convenient, the noise generated by the loudspeaker 1 can be effectively absorbed, and the sound quality of the loudspeaker 1 is greatly improved.
Fixing bolt 3 is provided with four, and wherein fixing bolt 3's one end is passed fixed block 2 or shell 4 and is linked to each other with speaker 1, and wherein it has sealing washer 8 to inlay between shell 4 and the speaker 1, and sealing washer 8 adopts the cyclic annular of rubber materials to make, can effectually prevent that dust from entering into speaker 1 inside, has avoided dust to influence the condition of tone quality, and the result of use is better, is convenient for the installation and the dismantlement of this device simultaneously.
The lid 6 is provided with two, and wherein the lid 6 links to each other through the side of screw thread with shell 4, and the lid 6 passes shell 4 and shell 4 inside and links to each other, and this lid 6 is bigger than inhaling sound granule 5, can effectively inhale sound granule 5 through opening lid 6 and injecting in to shell 4, has avoided the condition of dismantling many times, has strengthened the life of this device.
The net body 93 is made of a polypropylene material, wherein a plurality of through holes are formed in the net body 93, and the through holes in the net body 93 are smaller than the sound-absorbing particles 5; net body 93 inlays in the inside of link 91 through buckle 92, and wherein the shape of link 91 is the L form that the polypropylene ethylene material made, can effectually block inside acoustic panel 7 and the sound granule 5 roll fall speaker 1 to cause the condition of speaker 1 damage, be convenient for fix simultaneously and install, the result of use is better.
Principle of operation
The utility model discloses in, when needs are installed, at first inlay abatvoix 7 in the inside of shell 4, to blockking that net 9 and sealing washer 8 place the one end at shell 4, then detain shell 4 in the inside of fixed block 2 to install through fixing bolt 3, open lid 6 at last, to inhale the inside that sound granule 5 drops into shell 4, after dropping into certain quantity, seal shell 4 through lid 6, at this moment just can use. When using, abatvoix 7 absorbs the noise that sound granule 5 produced speaker 1, improve speaker 1's tone quality, block simultaneously that net 9 can effectually prevent abatvoix 7 and attract granule 5 to enter into speaker 1's inside, safety protection is improved, sealing washer 8 can effectually avoid the dust in the air to pass speaker 1 and the inside that 4 junctures of shell get into speaker 1, influence speaker 1's tone quality, simultaneously when inhaling sound granule 5 and need follow the trade, can be through opening the lid, 6 follow the trade to sound granule 5, excellent in use effect, it influences speaker 1 to have avoided dismantling many times, the service life of this device has been improved.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (5)
1. The utility model provides a sound device is inhaled to back chamber multilayer for speaker which characterized in that: the loudspeaker comprises a loudspeaker (1), a fixing block (2), a fixing bolt (3), a shell (4), sound-absorbing particles (5), a cover body (6), a sound-absorbing plate (7), a sealing ring (8) and a blocking net (9), wherein the fixing block (2) is welded on one side face of the loudspeaker (1), and the shell (4) is arranged in the fixing block (2); the fixing bolt (3) penetrates through the fixing block (2) and is connected with the shell (4), sound absorption particles (5) are arranged inside the shell (4), and a cover body (6) is installed on one side face of the shell (4) through threads; the sound absorption plate (7) is embedded in the shell (4), and a sealing ring (8) is arranged between the shell (4) and the loudspeaker (1); block net (9) and inlay between shell (4) and speaker (1), wherein block net (9) and include link (91), buckle (92) and dictyosome (93), link (91) set up between shell (4) and speaker (1), wherein dictyosome (93) are installed through buckle (92) in the middle part of link (91).
2. The back volume multilayer sound absorbing device for a loudspeaker of claim 1, wherein: the sound absorption board (7) comprises a frame (71), polyurethane microporous sound absorption cotton (72), dicyandiamide ultramicropore sound absorption cotton (73) and polyurethane semi-open-pore sound absorption cotton (74), wherein the frame (71) is embedded in the shell (4), the polyurethane microporous sound absorption cotton (72) is arranged in the frame (71), one side surface of the polyurethane microporous sound absorption cotton (72) is provided with the dicyandiamide ultramicropore sound absorption cotton (73), and the end part of the dicyandiamide ultramicropore sound absorption cotton (73) is embedded in the frame (71); one side surface of the trichlorocyanamide ultramicropore sound absorption cotton (73) is provided with polyurethane semi-open pore sound absorption cotton (74), wherein the end part of the polyurethane semi-open pore sound absorption cotton (74) is embedded in the frame (71).
3. The back volume multilayer sound absorbing device for a loudspeaker of claim 1, wherein: fixing bolt (3) are provided with four, and wherein the one end of fixing bolt (3) is passed fixed block (2) or shell (4) and is linked to each other with speaker (1), and wherein inlay between shell (4) and speaker (1) and have sealing washer (8), and sealing washer (8) adopt the cyclic annular of rubber materials making.
4. The back volume multilayer sound absorbing device for a loudspeaker of claim 1, wherein: the cover bodies (6) are arranged in two numbers, wherein the cover bodies (6) are connected with one side face of the shell (4) through threads, the cover bodies (6) penetrate through the shell (4) to be connected with the inside of the shell (4), and the cover bodies (6) are larger than the sound absorption particles (5).
5. The back volume multilayer sound absorbing device for a loudspeaker of claim 1, wherein: the net body (93) is made of a polypropylene ethylene material, wherein a plurality of through holes are formed in the net body (93), and the through holes in the net body (93) are smaller than the sound-absorbing particles (5); the net body (93) is embedded in the connecting frame (91) through a buckle (92), wherein the connecting frame (91) is L-shaped made of a polypropylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921171861.0U CN210075488U (en) | 2019-07-24 | 2019-07-24 | Sound device is inhaled to back chamber multilayer for speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921171861.0U CN210075488U (en) | 2019-07-24 | 2019-07-24 | Sound device is inhaled to back chamber multilayer for speaker |
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| Publication Number | Publication Date |
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| CN210075488U true CN210075488U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921171861.0U Active CN210075488U (en) | 2019-07-24 | 2019-07-24 | Sound device is inhaled to back chamber multilayer for speaker |
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| CN (1) | CN210075488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179237A1 (en) * | 2020-03-09 | 2021-09-16 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2019
- 2019-07-24 CN CN201921171861.0U patent/CN210075488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179237A1 (en) * | 2020-03-09 | 2021-09-16 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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