CN216724947U - Adjustable pressure-relief noise-reduction earplug - Google Patents
Adjustable pressure-relief noise-reduction earplug Download PDFInfo
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- CN216724947U CN216724947U CN202122853936.7U CN202122853936U CN216724947U CN 216724947 U CN216724947 U CN 216724947U CN 202122853936 U CN202122853936 U CN 202122853936U CN 216724947 U CN216724947 U CN 216724947U
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Abstract
The utility model provides an adjustable pressure-relief noise-reduction earplug, which comprises an earplug main body, a sound-relief cavity cover plate and a pressure-relief switch, wherein the earplug main body comprises a sound-relief cavity base and a pressure-relief guide pipe, the sound-relief cavity base is provided with a sound-relief cavity, one end of the pressure-relief guide pipe is provided with a first pressure-relief hole, the other end of the pressure-relief guide pipe is provided with a second pressure-relief hole, one side of the sound-relief cavity base is provided with a switch sliding groove, the switch sliding groove is internally provided with a third pressure-relief hole, the pressure-relief switch is installed in the switch sliding groove, the bottom of the pressure-relief switch is provided with a fourth pressure-relief hole, one side of the pressure-relief switch is also provided with a fifth pressure-relief hole, the sound-relief cavity cover plate is hermetically connected to the sound-relief cavity, and a medium-high frequency sound-absorption module and a medium-low frequency sound-absorption module are arranged in the sound-relief cavity. The pressure release switch is arranged, so that air pressure outside the ear in the ear can be balanced, the wearing is more comfortable, the middle-high frequency sound absorption module and the middle-low frequency sound absorption module can effectively absorb and eliminate middle-high and middle-low frequency noise, and the noise reduction effect is greatly improved.
Description
Technical Field
The utility model relates to the field of earplugs, in particular to an adjustable pressure-relief noise-reduction earplug.
Background
In recent years, urban noise is becoming more intense, and is invading people's work and life every moment. The urban noise brings negative effects to people, and besides affecting the efficiency of work and study, the urban noise can damage auditory canals and hearing health in severe cases, and even harm physical and psychological health. For this reason, the use of noise reducing earplugs is often chosen to avoid the urban noise hazard. However, most of the existing noise-reducing earplugs are made of solid silica gel materials or low-pressure foam materials, and a closed space is formed in the ear canal after the earplugs are inserted into the ear canal so as to achieve the purpose of isolating noise, however, the noise-reducing earplugs not only have a moderate noise-reducing effect, but also cause a certain pressure difference inside and outside the ear canal when being worn, so that the earplugs can cause oppression and pain inside the ear canal when being worn for a long time, and can also cause dizziness and nausea of a human body when being seriously.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides the noise reduction earplug which has a better noise reduction effect and can select whether to turn on the pressure relief switch according to the self requirement so as to balance the air pressure inside and outside the auditory canal, and meanwhile, the noise reduction cavity structure is designed inside to strengthen the absorption of the noise of different frequency bands.
The utility model provides an adjustable pressure-relief noise-reduction earplug, which comprises an earplug main body, a silencing cavity cover plate and a pressure-relief switch, the earplug main body comprises a silencing cavity base provided with a silencing cavity and a pressure relief conduit fixedly connected with the silencing cavity base, one end of the pressure relief conduit is provided with a first pressure relief hole communicated with the silencing cavity, the other end of the pressure relief conduit is provided with a second pressure relief hole communicated with the first pressure relief hole, a switch sliding groove is arranged on one side of the silencing cavity base, a third pressure relief hole communicated with the silencing cavity is arranged in the switch sliding groove, the pressure relief switch is arranged in the switch sliding groove, the bottom of the pressure relief switch is provided with a fourth pressure relief hole which can be communicated with the third pressure relief hole, pressure release switch one side still be equipped with the fifth pressure release hole of fourth pressure release hole intercommunication, amortization chamber apron sealing connection be in on the amortization chamber, be equipped with the medium and high frequency in the amortization intracavity and inhale the sound module and well low frequency and inhale the sound module.
As a further improvement of the utility model, one side of the pressure relief switch, which is provided with the fourth pressure relief hole, is also provided with a limiting groove, a silica gel cushion is arranged in the limiting groove, and the silica gel cushion is provided with a sixth pressure relief hole corresponding to the fourth pressure relief hole.
As a further improvement of the utility model, a first limiting jack is also arranged in the silencing cavity base, and a first limiting bolt matched with the first limiting jack is arranged on the silencing cavity cover plate.
As a further improvement of the utility model, the adjustable pressure-relief noise-reduction earplug also comprises a decorative cover plate covering the silencing cavity cover plate, the decorative cover plate is provided with a plurality of hollow holes, the silencing cavity cover plate is also provided with a second limiting jack, and the decorative cover plate is provided with a second limiting bolt matched with the second limiting jack.
As a further improvement of the present invention, the middle-high frequency sound absorption module and the middle-low frequency sound absorption module are arranged in parallel.
As a further improvement of the utility model, the medium-high frequency sound absorption module is a high-density centrifugal glass wool sound absorption module.
As a further improvement of the utility model, the medium and low frequency sound absorption module is a microporous polyurethane sound absorption module.
As a further improvement of the utility model, the adjustable pressure-relief noise-reduction earplug also comprises a pressure-relief conduit earplug sleeve, and the pressure-relief conduit earplug sleeve is sleeved on the pressure-relief conduit.
As a further improvement of the utility model, the adjustable pressure-relief noise-reduction earplug also comprises a silencing cavity sleeve, and the silencing cavity sleeve is sleeved on the silencing cavity base.
As a further improvement of the utility model, the silencing cavity sleeve is a liquid silica gel sleeve.
The utility model has the beneficial effects that: the noise reduction earplug is simple in structure, the second pressure relief hole is communicated with the outside through sliding the pressure relief switch, so that air pressure inside the ear canal and outside is balanced, wearing experience of the noise reduction earplug is more comfortable, the sound absorption module in the noise reduction cavity can absorb and eliminate medium-high frequency noise and medium-low frequency noise, and the noise reduction effect is greatly improved.
Drawings
FIG. 1 is a schematic diagram of an adjustable pressure relief noise reducing earplug according to the present invention;
FIG. 2 is an exploded view of an adjustable pressure relief noise reducing earplug according to the present invention;
FIGS. 3 and 4 are schematic structural views of an earplug body of an adjustable pressure relief noise reduction earplug according to the utility model;
FIG. 5 is a schematic view of a cover plate of a sound-deadening chamber of an adjustable pressure-relieving and noise-reducing earplug according to the present invention;
FIG. 6 is a schematic view of a decorative cover plate of an adjustable pressure-relief noise-reducing earplug according to the present invention;
fig. 7 is a schematic structural diagram of a pressure relief switch of an adjustable pressure relief noise reduction earplug according to the present invention.
Reference numerals: 1-an earplug body; 2-a silencing cavity cover plate; 3-a pressure relief switch; 4, a medium-high frequency sound absorption module; 5-a medium and low frequency sound absorption module; 6-decorative cover plate; 7-pressure relief catheter sleeve; 8-a silencing cavity sleeve; 9-silica gel cushion; 11-a muffling cavity base; 12-a pressure relief conduit; 13-a second pressure relief vent; 14-opening and closing the chute; 15-a third pressure relief vent; 16-a first pressure relief vent; 21-a first limit bolt; 31-fourth relief vent; 32-fifth relief vent; 33-a limiting groove; 61-a second limit bolt; 62-hollow out holes; 91-sixth relief vent.
Detailed Description
As shown in fig. 1 to 7, the utility model discloses an adjustable pressure-releasing and noise-reducing earplug, which comprises an earplug main body 1, a sound-reducing cavity cover plate 2 and a pressure-releasing switch 3, wherein the earplug main body 1 comprises a sound-reducing cavity base 11 provided with a sound-reducing cavity and a pressure-releasing conduit 12 fixedly connected with the sound-reducing cavity base, a sealing groove is arranged at the edge of the sound-reducing cavity base, a sealing edge matched with the sealing groove is arranged on the sound-reducing cavity cover plate, a first pressure-releasing hole communicated with the sound-reducing cavity is arranged at one end of the pressure-releasing conduit 12, a second pressure-releasing hole 13 communicated with the first pressure-releasing hole is arranged at the other end of the pressure-releasing conduit 12, a switch sliding groove 14 is arranged at one side of the sound-reducing cavity base 11, a third pressure-releasing hole 15 communicated with the sound-reducing cavity is arranged in the switch sliding groove 14, the switch 3 is arranged in the switch sliding groove 14, and a fourth pressure-releasing hole 31 capable of communicating with the third pressure-releasing hole 15 is arranged at the bottom of the switch sliding groove, pressure release switch 3 one side still be equipped with the fifth pressure release hole 32 of fourth pressure release hole 31 intercommunication, pressure release switch 3 can slide in the spout, and after sliding to one end, fourth pressure release hole 31 can be corresponding with third pressure release hole 15 positions, and after the 3 looks other ends of pressure release switch slided, pressure release switch 3 can stop up third pressure release hole 15 to close third pressure release hole 15, 2 sealing connection of amortization chamber apron are in seal the amortization chamber on the amortization chamber base, be equipped with well high frequency sound module 4 and well low frequency sound module 5 of inhaling in the amortization intracavity, inhale the module 5 and can absorb the noise of different frequency channels through setting up well high frequency and well low frequency, strengthen the noise reduction effect.
The adjustable pressure-relief noise-reduction earplug is worn by a pair of left and right earplugs, and the left and right earplugs are symmetrical in structure.
When the short time is used, can stir the closed position with pressure release switch 3, when using for a long time, can stir the open position with pressure release switch 3, third pressure release hole 15 can communicate with fourth pressure release hole 31 this moment to realize the inside and external intercommunication of duct, and then realize the inside and outside atmospheric pressure balance of duct, avoided because the inside and outside atmospheric pressure of duct is unbalanced and the oppression that leads to, painful and the uncomfortable condition such as vertigo of nausea.
In this technical scheme, one side that pressure release switch 3 was equipped with fourth pressure release hole 31 still is equipped with spacing recess 33, be equipped with silica gel cushion 9 in the spacing recess 33, silica gel cushion 9 be equipped with the corresponding sixth pressure release hole 91 in fourth pressure release hole 31 position, silica gel cushion 9 are attached to pressure release switch 3 inboardly, produce appropriate amount damping when making pressure release switch 3 slide and feel, let the user can more accurate operation pressure release mouth switch to can ensure that the amortization chamber realizes totally sealedly when the closed pressure release switch 3 of user, guarantee the effect that gives sound insulation.
In the technical scheme, a first limiting jack is arranged in the silencing cavity base, the silencing cavity cover plate 2 is provided with a first limiting bolt 21 matched with the first limiting jack, accurate installation and limitation of the silencing cavity cover plate 2 are guaranteed, and assembly is simple and convenient.
Among this technical scheme, this earplug of making an uproar falls in pressure release with adjustable still including cover in the dress trim cover 6 of amortization chamber apron 2, dress trim cover 6 is equipped with a plurality of fretwork holes 62, still be equipped with the spacing jack of second on the amortization chamber apron 2, dress trim cover 6 be equipped with the spacing bolt 61 of second of the spacing jack adaptation of second, dress trim cover 6 can play the effect of protection amortization chamber apron 2, can carry out the colour change moreover, and is more pleasing to the eye, satisfies different consumers' individualized demand.
In this technical scheme, well high frequency inhale sound module 4 with well low frequency inhales sound module 5 for setting up side by side, does not occupy vertical space like this, can make the earplug thinner of doing.
In this technical scheme, sound module 4 is inhaled to well high frequency is the cotton sound module of inhaling of high density centrifugation glass, can the effective absorption and eliminate well high frequency noise, and acoustic energy is absorbed the back by the glass cotton, converts heat energy and disappears in the cotton internal collision in-process of glass, and the heat energy that comes by acoustic energy conversion is extremely little, the unable perception of human body under the normal condition.
In the technical scheme, the medium and low frequency sound absorption module 5 is a microporous polyurethane sound absorption module, can effectively absorb and eliminate medium and low frequency noise, and can convert and lose heat energy in the polyurethane internal collision process after sound energy is absorbed by polyurethane, and the heat energy converted by the sound energy is extremely small and cannot be perceived by a human body under normal conditions.
Among this technical scheme, this earplug of making an uproar falls in pressure release with adjustable still includes the pressure release pipe cover 7 of silica gel material, 7 covers of pressure release pipe cover are established on pressure release pipe 12, the perfect covering laminating external auditory canal after inserting the duct, when improving noise reduction effect, still improved the comfort level of wearing of the earplug of making an uproar falls.
In the technical scheme, the adjustable pressure-releasing and noise-reducing earplug also comprises a noise-reducing cavity sleeve 8, wherein the noise-reducing cavity sleeve 8 is sleeved on the noise-reducing cavity base 11, the noise-reducing cavity sleeve 8 is a gull-wing-shaped liquid silica gel sleeve, and gull wings are embedded in an cymba concha to prevent the noise-reducing earplug from falling off in the wearing process; the liquid silica gel skin feels the material high whole comfort level of wearing that promotes.
The noise-reducing earplug is simple in structure, the third pressure-reducing hole 15 and the fourth pressure-reducing hole 31 are overlapped by sliding the pressure-reducing switch 3, the first pressure-reducing hole 13 is communicated with the outside, air pressure inside an ear canal and the outside is further balanced, wearing experience of the noise-reducing earplug is more comfortable, the medium-high frequency sound-absorbing module 4 and the medium-low frequency sound-absorbing module 5 in the noise-reducing cavity can respectively absorb and eliminate medium-high frequency noise and medium-low frequency noise, and the noise-reducing effect is greatly improved.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (10)
1. The utility model provides an earplug of making an uproar falls in pressure release with adjustable which characterized in that: comprises an earplug main body, a silencing cavity cover plate and a pressure relief switch, wherein the earplug main body comprises a silencing cavity base provided with a silencing cavity and a pressure relief conduit fixedly connected with the silencing cavity base, one end of the pressure relief conduit is provided with a first pressure relief hole communicated with the silencing cavity, the other end of the pressure relief conduit is provided with a second pressure relief hole communicated with the first pressure relief hole, a switch sliding groove is arranged on one side of the silencing cavity base, a third pressure relief hole communicated with the silencing cavity is arranged in the switch sliding groove, the pressure relief switch is arranged in the switch sliding groove, the bottom of the pressure relief switch is provided with a fourth pressure relief hole which can be communicated with the third pressure relief hole, pressure release switch one side still be equipped with the fifth pressure release hole of fourth pressure release hole intercommunication, amortization chamber apron sealing connection be in on the amortization chamber, be equipped with the medium and high frequency in the amortization intracavity and inhale the sound module and well low frequency and inhale the sound module.
2. The adjustable pressure relief and noise reduction earplug according to claim 1, wherein: one side that pressure release switch was equipped with fourth pressure release hole still is equipped with spacing recess, be equipped with the silica gel cushion in the spacing recess, the silica gel cushion be equipped with the sixth pressure release hole that fourth pressure release hole position is corresponding.
3. The adjustable pressure relief and noise reduction earplug according to claim 1, wherein: still be equipped with first spacing jack in the amortization chamber base, amortization chamber apron be equipped with the first spacing bolt of first spacing jack adaptation.
4. The adjustable pressure relief and noise reduction earplug according to claim 3, wherein: this earplug of making an uproar falls in pressure release with adjustable still including cover in the dress trim cover of amortization chamber apron, dress trim cover is equipped with a plurality of fretwork holes, still be equipped with the spacing jack of second on the amortization chamber apron, dress trim cover be equipped with the spacing bolt of second of the spacing jack adaptation.
5. The adjustable pressure relief and noise reduction earplug according to claim 1, wherein: the medium-high frequency sound absorption module and the medium-low frequency sound absorption module are arranged in parallel.
6. The adjustable pressure relief and noise reduction earplug according to claim 1, wherein: the medium-high frequency sound absorption module is a high-density centrifugal glass wool sound absorption module.
7. The adjustable pressure relief and noise reduction earplug according to claim 1, wherein: the medium and low frequency sound absorption module is a micropore polyurethane sound absorption module.
8. The adjustable pressure relief and noise reduction earplug according to claim 1, wherein: the adjustable pressure-releasing noise-reducing earplug also comprises a pressure-releasing conduit earplug sleeve, and the pressure-releasing conduit earplug sleeve is sleeved on the pressure-releasing conduit.
9. The adjustable pressure relief and noise reduction earplug according to claim 1, wherein: the adjustable pressure-releasing noise-reducing earplug also comprises a silencing cavity sleeve, wherein the silencing cavity sleeve is arranged on the silencing cavity base.
10. The adjustable pressure relief and noise reduction earplug of claim 9, wherein: the silencing cavity sleeve is a liquid silica gel sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122853936.7U CN216724947U (en) | 2021-11-19 | 2021-11-19 | Adjustable pressure-relief noise-reduction earplug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122853936.7U CN216724947U (en) | 2021-11-19 | 2021-11-19 | Adjustable pressure-relief noise-reduction earplug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216724947U true CN216724947U (en) | 2022-06-14 |
Family
ID=81928224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122853936.7U Active CN216724947U (en) | 2021-11-19 | 2021-11-19 | Adjustable pressure-relief noise-reduction earplug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216724947U (en) |
-
2021
- 2021-11-19 CN CN202122853936.7U patent/CN216724947U/en active Active
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