CN2287940Y - Portable silencing earplug - Google Patents
Portable silencing earplug Download PDFInfo
- Publication number
- CN2287940Y CN2287940Y CN 96217334 CN96217334U CN2287940Y CN 2287940 Y CN2287940 Y CN 2287940Y CN 96217334 CN96217334 CN 96217334 CN 96217334 U CN96217334 U CN 96217334U CN 2287940 Y CN2287940 Y CN 2287940Y
- Authority
- CN
- China
- Prior art keywords
- reflective coating
- vaccum case
- earplug
- sound
- vacuum
- Prior art date
- 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 a portable silencing earplug. The utility model is composed of a reflective casing 1, an isolating pad 2, a sound-absorbing plate 3 and a vacuum casing 4, the sound waves can be reflected largely by the reflective casing 1, the vibration of the reflective casing 1 is isolated from the vacuum casing 4 by the isolating pad 2, the un-reflected sound waves and the un-eliminated vibration can be absorbed largely by the sound absorbing plate 3, the residual vibration and the residual sound waves are damped out of the external auditory meatus because of the vacuum effect of the vacuum casing 4, the sound intensity of the sound waves can be reduced to the lowest, the operating requirements can be realized, and the auditory sensation can be safe from damage.
Description
This utility model relates to a kind of health care safety device that sound is kept quite audition of eliminating.
In modern society, noise circumstance and high sound intensity environment are increasing, cause quite general sound pollution, this just makes the people's work academic environment be interfered to a great extent and destroys, quietly state is broken, and makes people's mood agitation, and work efficiency reduces; If under the high-noise environment more than 90 decibels, work for a long time, the meeting injured nerve, serious also can lose audition; Make people's very insomnia of sleep quality decline the night of high sound intensity and high noisy.
The purpose of this utility model provides a kind of portable Silence earplug, and not only volume is small simple for it, and practicability and effectiveness.
In order to achieve the above object, the technical solution adopted in the utility model is as follows: according to the principle of " sound wave can not be propagated in vacuum ", the space of vacuum section is sealed with vaccum case, simultaneously dose sound absorption disk in the vaccum case outer face, and reflective coating is set cooperates, isolation pad is set at reflective coating and vaccum case threaded connection place with vaccum case.Utilize reflective coating with the most of reflection of sound wave, the through hole of remaining part sound wave by reflective coating enters sound absorption disk and absorbed by sound absorption disk, sound absorption disk adopts sound-absorbing material to make, utilize isolation pad that the vibration of reflective coating and vaccum case is isolated, rely on the intravital vacuum space of vacuum shell, residual sound wave is intercepted in the external auditory meatus outside, people's acoustic environments is kept quite.
In order to strengthen noise elimination function, reflective coating is set in the outermost of portable Silence earplug.Reflective coating is made the hollow short cylindrical shape of an end, and smooth surface is beneficial to acoustic reflection; For preventing that the integrally-built amplitude of portable Silence earplug is excessive when the extraneous sound intensity and vibration are excessive, be shaped on the minor diameter through hole that is led to inner surface by outer surface on the Closed End of reflective coating simultaneously, just the fraction sound wave penetrates through hole, is further absorbed.
In order to isolate the vibration of reflective coating under acoustic wave action, isolation pad is set in order to isolate the vibration of reflective coating and vaccum case between reflective coating and vaccum case, just the amplitude that is delivered to vaccum case is minimum, and the relative position that makes reflective coating and vaccum case keeps stable, and the two is connected firmly.
Sound wave for the end face minor diameter through hole that absorbs by reflective coating bleeds reflective coating is threaded cavity partly with vaccum case in, is provided with the sound absorption disk of short cylindrical shape, and sound wave further is absorbed, and sound absorption disk can adopt the porous sound-absorbing material manufacturing.
For further realizing being provided with vaccum case by noise elimination function.The vaccum case inner space is a vacuum, does not have any gas, does not promptly have the medium of conduct acoustic waves, thereby vaccum case intercepts residual acoustic waves and vibration in the external auditory meatus outside to greatest extent, makes the sound intensity of sound wave reduce to minimum.One section initial segment that is positioned at external auditory meatus that the vaccum case diameter is less, the side end face that diameter is bigger is shaped on annular protrusion, and annular protrusion cylinder outer surface is shaped on external screw thread, and vaccum case is connected with reflective coating by external screw thread.Vaccum case can adopt the high-strength engineering plastic manufacturing.
Owing to adopted such scheme, rely on portable Silence earplug reflective sound wave, separating vibration, absorption sound wave, intercept the structure of sound wave, guaranteed the realization of noise elimination function, its volume is small simultaneously, use is easy to carry.
Below in conjunction with drawings and Examples this utility model is further specified:
Fig. 1 is the installation diagram of portable Silence earplug
Fig. 2 is the structure chart of reflective coating
Fig. 3 is the structure chart of sound absorption disk
Fig. 4 is the structure chart of vaccum case
In Fig. 1, portable Silence earplug is made up of reflective coating (1), isolation pad (2), sound absorption disk (3), vaccum case (4), and reflective coating (1) and vaccum case (4) are by being threaded, and the junction is provided with isolation pad (2); In the cavity that reflective coating (1) and vaccum case (4) are connected to form short cylindrical shape sound absorption disk (3) is set, vaccum case (4) inner space is a vacuum.
In Fig. 2, reflective coating is the hollow short cylindrical shape of an end, smooth surface, and blind end has circular arc chamfering, have minor diameter through hole (5) to lead to inner surface (7) by outer surface (6), the hollow cylinder that is connected with inner surface (7) is shaped on female thread (8) as syndeton.
In Fig. 3, sound absorption disk is made the short cylindrical shape, has certain thickness and good absorption acoustic energy power is arranged.
In Fig. 4, the inner space of vaccum case is a vacuum, and the side end face that the vaccum case diameter is bigger is shaped on annular protrusion (9), and annular protrusion (9) cylinder outer surface is shaped on external screw thread (10) as syndeton, and vaccum case is inner for sealing the vacuum space.
Claims (5)
1, a kind of portable Silence earplug, this earplug has a reflective coating (1), it is characterized in that: reflective coating (1) is connected with vaccum case (4) by screw thread, be fixed with isolation pad (2) in the junction, in the cavity that reflective coating (1) and vaccum case (4) are connected to form sound absorption disk (3) is set, vaccum case (4) inner space is a vacuum.
2, portable Silence earplug according to claim 1, it is characterized in that: the shape of reflective coating (1) is the hollow short cylindrical shape of an end, the smooth surface blind end has circular arc chamfering and has through hole (5) to lead to inner surface (7) by outer surface (6), and the hollow cylinder that is connected with inner surface (7) is shaped on female thread (8).
3, portable Silence earplug according to claim 1 is characterized in that: isolation pad (2) is isolated vibration between reflective coating (1) and the vaccum case (4) and fluctuation in the form of a ring.
4, portable Silence earplug according to claim 1 is characterized in that: sound absorption disk (3) is the short cylindrical shape, is installed in the cavity between reflective coating (1) and the vaccum case (4).
5, portable Silence earplug according to claim 1, it is characterized in that: vaccum case (4) inner space is a vacuum, and vaccum case (4) is with its inner space sealing, the side end face that vaccum case (4) diameter is bigger is shaped on annular protrusion (9), and annular protrusion (9) cylinder outer surface is shaped on external screw thread (10) and is connected with the female thread (8) of reflective coating (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217334 CN2287940Y (en) | 1996-07-16 | 1996-07-16 | Portable silencing earplug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217334 CN2287940Y (en) | 1996-07-16 | 1996-07-16 | Portable silencing earplug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2287940Y true CN2287940Y (en) | 1998-08-19 |
Family
ID=33898521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96217334 Expired - Fee Related CN2287940Y (en) | 1996-07-16 | 1996-07-16 | Portable silencing earplug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2287940Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078236A (en) * | 2010-11-23 | 2011-06-01 | 中国船舶重工集团公司第七一○研究所 | External auditory canal silencing ear plugs |
| CN103462747A (en) * | 2013-09-04 | 2013-12-25 | 江苏大学 | Stacked wedge mute earbud |
| US11930319B2 (en) * | 2021-01-22 | 2024-03-12 | Rishi Sai Sadanandan | Underwater ear pod system |
-
1996
- 1996-07-16 CN CN 96217334 patent/CN2287940Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078236A (en) * | 2010-11-23 | 2011-06-01 | 中国船舶重工集团公司第七一○研究所 | External auditory canal silencing ear plugs |
| CN102078236B (en) * | 2010-11-23 | 2012-10-10 | 中国船舶重工集团公司第七一○研究所 | External auditory canal silencing ear plugs |
| CN103462747A (en) * | 2013-09-04 | 2013-12-25 | 江苏大学 | Stacked wedge mute earbud |
| US11930319B2 (en) * | 2021-01-22 | 2024-03-12 | Rishi Sai Sadanandan | Underwater ear pod system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |