CN207251861U - Isolating device and its noise cancelling headphone - Google Patents
Isolating device and its noise cancelling headphone Download PDFInfo
- Publication number
- CN207251861U CN207251861U CN201720837727.4U CN201720837727U CN207251861U CN 207251861 U CN207251861 U CN 207251861U CN 201720837727 U CN201720837727 U CN 201720837727U CN 207251861 U CN207251861 U CN 207251861U
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- CN
- China
- Prior art keywords
- sound
- isolating device
- noise cancelling
- cancelling headphone
- insulation body
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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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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses isolating device and noise cancelling headphone, including earphone case, isolation mount and the first sound insulation body for being engaged with the wall of the isolation mount sound sound chamber conduction backward for sound chamber before effectively reducing, microphone is provided with the first sound insulation body.With this structure design, can effectively reduce because the sound that the loudspeaker of preceding sound intracavitary is sent by sound insulation stent passes to microphone, the setting of the first sound insulation body, can play good noise reduction.The utility model additionally provides a kind of noise cancelling headphone, including above-mentioned isolating device, and the preceding matched loudspeaker assembly of sound chamber with the isolating device, the earphone side wall of the sound arrester, which extends radially outwards, is provided with string holes, and the gadget for distinguishing L channel or R channel is detachably provided with the hole wall of the string holes.It is simple in structure with the noise cancelling headphone of this structure design, and the gadget that can be conveniently used for distinguishing left and right sound channels is replaced or assembled.
Description
Technical field
It the utility model is related to ear phone technology field, more particularly to isolating device and its noise cancelling headphone.
Background technology
In noise cancelling headphone, earplug, it usually needs one microphone of device carries out processing elimination to collect ambient noise source, with
Achieve the purpose that noise reduction, but the low-frequency range sound that the loudspeaker of earphone in itself are sent at work can be by fixed loudspeaker and microphone
Between medium physics be conducted to microphone, so as to influence noise reduction process effect.In addition, it is used to distinguish on existing earphone case
The pattern or character and earphone case of left and right sound channels are all used and are integrally formed so that earphone case processing is inconvenient and cannot facilitate
It carry out demolition and replacement to character or pattern.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, the isolation dress of earphone noise reduction can be effectively lifted
Put and its noise cancelling headphone.
For this purpose, the utility model uses following technical scheme：
A kind of isolating device of noise cancelling headphone, including earphone case, for the cavity of the earphone case to be divided into before
The isolation mount of sound chamber and rear sound chamber and sound for sound chamber before effectively reducing is engaged with the wall of the isolation mount
First sound insulation body of sound chamber conduction backward, is provided with microphone in the first sound insulation body.
Wherein, the first sound insulation body is arranged at the rear sound intracavitary and is fitted closely with the inner wall of the isolation mount.
Wherein, which, which further includes, is arranged at the preceding sound intracavitary and is fitted closely with the outer wall of the isolation mount
The second sound insulation body.
Wherein, the inside and outside side wall of the isolation mount surrounding is both provided with for the first sound insulation body and described second
The step of sound insulation body positioning.
Wherein, cavity one end of the isolation mount and the earphone case is detachably connected.
Wherein, the upper port of the isolation mount is provided with head cover, and sound hole is provided with the middle part of the head cover.
A kind of noise cancelling headphone, including above-mentioned isolating device, and with the preceding sound chamber of the isolating device is matched raises one's voice
Device assembly, the earphone side wall of the sound arrester, which extends radially outwards, is provided with string holes, is detachably set on the hole wall of the string holes
It is equipped with the gadget for distinguishing L channel or R channel.
Wherein, the outer surface of the gadget is provided with character or pattern for distinguishing L channel or R channel, and described
Gadget is engaged with the notch being arranged on the hole wall of the string holes.
Wherein, the loudspeaker assembly includes the matched earplug guard in port with the preceding sound chamber, and is arranged at
The loudspeaker in cavity be made of the preceding sound chamber and the earplug guard.
The beneficial effects of the utility model：The utility model includes earphone case, for by the cavity of the earphone case
It is divided into the isolation mount of preceding sound chamber and rear sound chamber and is engaged with the wall of the isolation mount for effectively reducing preceding sound
First sound insulation body of the sound of chamber sound chamber conduction backward, is provided with microphone in the first sound insulation body.With this structure design, energy
Enough effectively to reduce because the sound that the loudspeaker of preceding sound intracavitary is sent by sound insulation stent passes to microphone, the first sound insulation body is set
Put, good noise reduction can be played.The utility model additionally provides a kind of noise cancelling headphone, including isolation described above dress
Put, and the preceding matched loudspeaker assembly of sound chamber with the isolating device, the outside footpath of earphone side wall of the sound arrester
There is string holes to being extended, the gadget for distinguishing L channel or R channel is detachably provided with the hole wall of the string holes.With
The noise cancelling headphone of this structure design, it is simple in structure, and the gadget that can be conveniently used for distinguishing left and right sound channels is replaced or filled
Match somebody with somebody.
Brief description of the drawings
Fig. 1 is a kind of structure decomposition figure of noise cancelling headphone of the utility model.
Fig. 2 is the front view of noise cancelling headphone in Fig. 1.
Fig. 3 is the sectional view in AA sections in Fig. 2.
Embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
With reference to shown in Fig. 1 and Fig. 3, a kind of isolating device of noise cancelling headphone in the present embodiment, including earphone case 1, be used for
The cavity of the earphone case 1 is divided into the isolation mount 2 of preceding sound chamber 11 and rear sound chamber (not marked in figure), is isolated with described
The wall of stent 2 is engaged sound the first sound insulation that sound chamber (not marked in figure) conducts backward for sound chamber 11 before effectively reducing
Body 3, the microphone 4 in the 3 middle part pit of the first sound insulation body.
Specifically, in the present embodiment, the first sound insulation body 3 be arranged at it is described after in sound chamber (not marked in figure) and with institute
The inner wall for stating isolation mount 2 fits closely.In order to further increase soundproof effect, be provided with preceding sound chamber 11 with it is described every
The the second sound insulation body 5 fitted closely from the outer wall of stent 2.Effectively strengthen the soundproof effect of sound insulation stent 2, the present embodiment with this
In, positioned for the ease of the first sound insulation body 3 and the second sound insulation body 5, platform is respectively arranged with the outboard sidewalls of the isolation mount 2
Rank, good locating effect can be played with this.
In the present embodiment, cavity one end of the isolation mount 2 and the earphone case 1 is detachably connected.Earphone case
The lateral wall of one end port is provided with screw thread, and the edge side wall of isolation mount 2 is threadedly coupled with earphone case, is easy to sound insulation with this
The erection and dismounting of stent, the upper port of sound insulation stent is also threaded with head cover 6, and the middle part of head cover 6 is provided with cross
Sound hole 61, the sound hole 61 can also facilitate retracting for head cover, when mounted, can be first by the second sound insulation body 5 fixed between sound insulation 2
Bottom, then the first sound insulation body 3 is assembled in sound insulation stent again, microphone 4 is then placed into the first sound insulation body 3 again
In central cavity so that it is completely isolated with sound insulation stent, finally again at the top of microphone place Air Filter 9, then by head cover 6 with
Sound insulation stent 2 is locked.
A kind of noise cancelling headphone, including isolating device described above, and match with the preceding sound chamber 11 of the isolating device
The loudspeaker assembly of conjunction, the earphone side wall of the sound arrester, which extends radially outwards, is provided with string holes 12, the hole wall of the string holes
On be detachably provided with gadget 13 for distinguishing L channel or R channel, the outer surface of the gadget 13 is provided with for distinguishing
The character or pattern of L channel or R channel, and the gadget 13 matches with the notch 121 being arranged on the hole wall of the string holes
Close, the loudspeaker assembly includes the matched earplug guard 8 in port with the preceding sound chamber 11, and is arranged at by before described
The loudspeaker 7 in cavity that sound chamber and the earplug guard 8 are formed.The L-shaped setting in the cross section of gadget in the present embodiment, and adorn
The one side wall of part sets threaded side wall to be engaged with the lateral wall of earphone case one end port, can be easily to this with this
Gadget 13 is replaced or assembled, and avoids using many troubles caused by Integral design with earphone case.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model cannot be construed in any way.Based on explanation herein,
Those skilled in the art would not require any inventive effort the other embodiments that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (9)
- A kind of 1. isolating device of noise cancelling headphone, it is characterised in that：Including earphone case, for by the cavity of the earphone case It is divided into the isolation mount of preceding sound chamber and rear sound chamber and is engaged with the wall of the isolation mount for effectively reducing preceding sound First sound insulation body of the sound of chamber sound chamber conduction backward, is provided with microphone in the first sound insulation body.
- A kind of 2. isolating device of noise cancelling headphone according to claim 1, it is characterised in that：The first sound insulation body is set Fit closely in the rear sound intracavitary and with the inner wall of the isolation mount.
- A kind of 3. isolating device of noise cancelling headphone according to claim 2, it is characterised in that：The isolating device, which further includes, to be set It is placed in the preceding sound intracavitary and the second sound insulation body fitted closely with the outer wall of the isolation mount.
- A kind of 4. isolating device of noise cancelling headphone according to claim 3, it is characterised in that：The isolation mount surrounding Inside and outside side wall is both provided with the step for the first sound insulation body and the second sound insulation body positioning.
- A kind of 5. isolating device of noise cancelling headphone according to claim 1, it is characterised in that：The isolation mount with it is described Cavity one end of earphone case is detachably connected.
- A kind of 6. isolating device of noise cancelling headphone according to claim 1, it is characterised in that：The upper end of the isolation mount Mouth is provided with head cover, and sound hole is provided with the middle part of the head cover.
- A kind of 7. noise cancelling headphone, it is characterised in that：Including the isolating device described in claim 1 to 6 any one, and with institute The preceding matched loudspeaker assembly of sound chamber of isolating device is stated, the earphone side wall of the sound arrester, which extends radially outwards, to be provided with String holes, the gadget for distinguishing L channel or R channel is detachably provided with the hole wall of the string holes.
- A kind of 8. noise cancelling headphone according to claim 7, it is characterised in that：The outer surface of the gadget is provided with for area Divide the character or pattern of L channel or R channel, and the gadget is engaged with the notch being arranged on the hole wall of the string holes.
- A kind of 9. noise cancelling headphone according to claim 8, it is characterised in that：The loudspeaker assembly includes and the preceding sound The matched earplug guard in port of chamber, and it is arranged at raising in the cavity being made of the preceding sound chamber and the earplug guard Sound device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837727.4U CN207251861U (en) | 2017-07-11 | 2017-07-11 | Isolating device and its noise cancelling headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837727.4U CN207251861U (en) | 2017-07-11 | 2017-07-11 | Isolating device and its noise cancelling headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251861U true CN207251861U (en) | 2018-04-17 |
Family
ID=61876803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720837727.4U Expired - Fee Related CN207251861U (en) | 2017-07-11 | 2017-07-11 | Isolating device and its noise cancelling headphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207251861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615040A (en) * | 2020-05-28 | 2020-09-01 | 美特科技(苏州)有限公司 | Medical hearing aid earphone |
-
2017
- 2017-07-11 CN CN201720837727.4U patent/CN207251861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615040A (en) * | 2020-05-28 | 2020-09-01 | 美特科技(苏州)有限公司 | Medical hearing aid earphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20180711 |