CN213462232U - Earphone with improved acoustic structure - Google Patents
Earphone with improved acoustic structure Download PDFInfo
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- CN213462232U CN213462232U CN202022866191.3U CN202022866191U CN213462232U CN 213462232 U CN213462232 U CN 213462232U CN 202022866191 U CN202022866191 U CN 202022866191U CN 213462232 U CN213462232 U CN 213462232U
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- sound guide
- earphone
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- guide hole
- acoustic
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Abstract
The utility model discloses an earphone with an improved acoustic structure, which comprises a circuit board, a loudspeaker component and an earphone shell, wherein an acoustic back cavity is arranged in the earphone shell; a sound guide pipe is arranged in the earphone shell, an inner hole of the sound guide pipe is communicated with the acoustic rear cavity, a sound guide hole opposite to the sound guide pipe is arranged on the outer layer of the earphone shell, and the sound guide hole is in butt joint with a pipe orifice of the sound guide pipe; a tuning net is arranged between the pipe orifice of the sound guide pipe and the sound guide hole, and a sealing gasket is arranged between the tuning net and the sound guide hole. The utility model discloses an it is outside to draw forth the earphone through leading note pipe creatively to the acoustics regulation of loudspeaker acoustics rear chamber for the acoustics curve does not receive the influence in earphone rear chamber inner structure and space, thereby just can reach the acoustics curve uniformity in left and right sound chamber simply. Then, the tuning net is arranged at the outlet of the tuning pipe, and the acoustic curve adjustment of the rear cavity can be realized by adjusting the density of the tuning net, so that the whole realization structure is very simple and practical.
Description
Technical Field
The utility model relates to an earphone product technology field, concretely relates to earphone of improvement acoustic structure.
Background
Due to the fact that the structures of the left earphone and the right earphone are different to a certain extent, acoustic curves of the left loudspeaker and the right loudspeaker of the earphones are difficult to achieve the same. Because the earphone generally has a single-side structure with functions concentrated on the left or the right, the other side of the earphone adopts a structure without or with few functions, and the structural shape and the space of the acoustic rear cavity can influence the acoustic curve, so that the acoustic curves of the sound cavities of the left loudspeaker and the right loudspeaker of the earphone are difficult to adjust to be consistent, and the acoustic effect of the left earphone and the right earphone is further influenced. The tuning design of the rear cavity of the earphone on the market at present is generally to adjust the rear cover of the loudspeaker through a hole, but the curve adjustment of the rear cover of the loudspeaker is finally influenced by the structure and the space of the rear cavity, so that the adjusting effect of the filler is not ideal even if the filler is added. Therefore, the problem that the acoustic curve and the acoustic effect are not affected by different structures of the left and right sound cavities in design is a problem to be solved urgently in the earphone industry.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an earphone of improvement acoustic structure that realizes that simple structure, design are more reasonable, can improve about on not the earphone sound chamber acoustic curve inconsistent.
In order to solve the technical problem, the utility model adopts the following technical scheme: an earphone with an improved acoustic structure comprises a circuit board, a loudspeaker assembly and an earphone shell, wherein the loudspeaker assembly is connected with the circuit board assembly and is arranged in the earphone shell together; have acoustics rear chamber in the earphone casing, acoustics rear chamber is located earphone casing's rear, its characterized in that: a sound guide pipe is arranged in the earphone shell, an inner hole of the sound guide pipe is communicated with the acoustic rear cavity, a sound guide hole opposite to the sound guide pipe is arranged on the outer layer of the earphone shell, and the sound guide hole is in butt joint with a pipe orifice of the sound guide pipe; a tuning net is arranged between the pipe orifice of the sound guide pipe and the sound guide hole, and a sealing gasket is arranged between the tuning net and the sound guide hole. The parts of the acoustic rear cavity are assembled in a sealing mode, and then the purpose of acoustic adjustment is achieved by adjusting a sound guide pipe hole of the acoustic rear cavity.
Furthermore, the earphone shell comprises a front cover, a rear cover and an ear shell, the front cover and the rear cover are fixedly assembled to assemble the loudspeaker assembly inside, and the acoustic rear cavity is positioned between the front cover and the rear cover as well as between the loudspeaker assembly and the rear cover; the earlap is assembled and fixed with the front cover, the rear cover is sealed and fixed with the front cover through glue, and the horn component is sealed and fixed with the front cover through glue.
Furthermore, the sound guide tube is arranged on the side surface of the rear cover and extends outwards, and the sound guide hole is arranged at the position, opposite to the sound guide tube, of the side surface of the earshell.
Further, the inner hole diameter of the sound guide pipe is larger than the hole diameter of the sound guide hole.
Preferably, the inner hole diameter of the sound guide tube is 3.0-5.0mm, the hole diameter of the sound guide hole is 1.5-2.5mm, and the hole centers of the sound guide tube and the sound guide hole are overlapped.
Further, the sealing gasket is an EVA gasket or other sealing materials, and seals the peripheral space between the pipe orifice of the sound guide pipe and the sound guide hole, so that sound leakage is prevented, and the acoustic effect is ensured.
Further, the tuning net is a soft mesh pad with pores, such as a silica gel pad.
Further, the circuit board assembly comprises a Bluetooth module which is a wireless Bluetooth headset.
The utility model discloses an it is outside to draw forth the earphone through leading note pipe creatively to the acoustics regulation of loudspeaker acoustics rear chamber for the acoustics curve does not receive the influence in earphone rear chamber inner structure and space, thereby just can reach the acoustics curve uniformity in left and right sound chamber simply. Then, the tuning net is arranged at the outlet of the tuning pipe, and the acoustic curve adjustment of the rear cavity can be realized by adjusting the density of the tuning net, so that the whole realization structure is very simple and practical.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a sectional view a-a of fig. 1.
In the figure, 1 is a front cover, 2 is a rear cover, 3 is an earmuff, 4 is a horn component, 5 is an acoustic rear cavity, 6 is a sound guide pipe, 7 is a sound guide hole, 8 is a tuning net, and 9 is a sealing gasket.
Detailed Description
In this embodiment, referring to fig. 1 to 3, the earphone with an improved acoustic structure includes a circuit board, a speaker assembly 4 and an earphone housing, wherein the speaker assembly 4 is connected to the circuit board assembly, and the circuit board assembly and the earphone housing are installed together in the earphone housing; an acoustic back cavity 5 is arranged in the earphone shell, and the acoustic back cavity 5 is positioned behind the earphone shell; a sound guide pipe 6 is arranged in the earphone shell, an inner hole of the sound guide pipe 6 is communicated with the acoustic rear cavity 5, a sound guide hole 7 opposite to the sound guide pipe 6 is arranged on the outer layer of the earphone shell, and the sound guide hole 7 is in butt joint with a pipe orifice of the sound guide pipe 6; a tuning net 8 is arranged between the pipe orifice of the sound guide pipe 6 and the sound guide hole 7, and a sealing gasket 9 is arranged between the tuning net 8 and the sound guide hole 7.
The earphone shell comprises a front cover 1, a rear cover 2 and an ear shell 3, wherein the front cover 1 and the rear cover 2 are fixedly assembled to assemble a loudspeaker assembly 4 in the earphone shell, and an acoustic rear cavity 5 is positioned between the front cover 1 and the loudspeaker assembly 4 as well as between the rear cover 2; the earlap 3 is fixedly assembled with the front cover 1, the rear cover 2 is fixedly sealed with the front cover 1 through glue, and the horn component 4 is fixedly sealed with the front cover 1 through glue.
The sound guide tube 6 is arranged on the side surface of the back cover 2 and extends outwards, and the sound guide hole 7 is arranged on the side surface of the ear shell 3 and opposite to the sound guide tube 6.
The inner hole diameter of the sound guide tube 6 is 3.0-5.0mm, such as 4mm, and the hole diameter of the sound guide hole 7 is 1.5-2.5mm, such as 2mm, and the hole centers of the two are overlapped.
The sealing gasket 9 is an EVA gasket which seals the peripheral space between the pipe orifice of the sound guide pipe 6 and the sound guide hole 7, prevents sound leakage and ensures the acoustic effect.
The tuning net 8 is a soft mesh pad with pores, such as a silica gel pad.
The circuit board assembly comprises a Bluetooth module which is a wireless Bluetooth headset.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (8)
1. An earphone with an improved acoustic structure comprises a circuit board, a loudspeaker assembly and an earphone shell, wherein the loudspeaker assembly is connected with the circuit board assembly and is arranged in the earphone shell together; have acoustics rear chamber in the earphone casing, acoustics rear chamber is located earphone casing's rear, its characterized in that: a sound guide pipe is arranged in the earphone shell, an inner hole of the sound guide pipe is communicated with the acoustic rear cavity, a sound guide hole opposite to the sound guide pipe is arranged on the outer layer of the earphone shell, and the sound guide hole is in butt joint with a pipe orifice of the sound guide pipe; a tuning net is arranged between the pipe orifice of the sound guide pipe and the sound guide hole, and a sealing gasket is arranged between the tuning net and the sound guide hole.
2. An acoustically structured earphone as claimed in claim 1, wherein: the earphone shell comprises a front cover, a rear cover and an ear shell, the front cover and the rear cover are fixedly assembled to assemble the loudspeaker assembly inside, and the acoustic rear cavity is positioned among the front cover, the loudspeaker assembly and the rear cover; the earlap is assembled and fixed with the front cover, the rear cover is sealed and fixed with the front cover through glue, and the horn component is sealed and fixed with the front cover through glue.
3. An acoustically structured earphone as claimed in claim 2, wherein: the sound guide tube is arranged on the side surface of the back cover and extends outwards, and the sound guide hole is arranged at the position of the side surface of the ear shell opposite to the sound guide tube.
4. An acoustically structured earphone as claimed in claim 1, wherein: the inner hole diameter of the sound guide pipe is larger than the aperture of the sound guide hole.
5. An acoustically structured earphone as claimed in claim 1, wherein: the inner hole diameter of the sound guide tube is 3.0-5.0mm, the aperture of the sound guide hole is 1.5-2.5mm, and the hole centers of the sound guide tube and the sound guide hole are overlapped.
6. An acoustically structured earphone as claimed in claim 1, wherein: the sealing gasket is an EVA gasket which seals the peripheral space between the pipe orifice of the sound guide pipe and the sound guide hole.
7. An acoustically structured earphone as claimed in claim 1, wherein: the tuning net is a soft mesh pad with pores.
8. An acoustically structured earphone as claimed in claim 1, wherein: the circuit board assembly comprises a Bluetooth module which is a wireless Bluetooth headset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866191.3U CN213462232U (en) | 2020-12-03 | 2020-12-03 | Earphone with improved acoustic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866191.3U CN213462232U (en) | 2020-12-03 | 2020-12-03 | Earphone with improved acoustic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213462232U true CN213462232U (en) | 2021-06-15 |
Family
ID=76304099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022866191.3U Active CN213462232U (en) | 2020-12-03 | 2020-12-03 | Earphone with improved acoustic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213462232U (en) |
-
2020
- 2020-12-03 CN CN202022866191.3U patent/CN213462232U/en active Active
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