CN206061088U

CN206061088U - Earplug

Info

Publication number: CN206061088U
Application number: CN201621113151.9U
Authority: CN
Inventors: 王钟庆; 陈明明
Original assignee: Zhuhai Zorosy Technology Co Ltd
Current assignee: Zhuhai Zorosy Technology Co Ltd
Priority date: 2016-10-10
Filing date: 2016-10-10
Publication date: 2017-03-29
Anticipated expiration: 2026-10-10

Abstract

This utility model is related to earplug field, and provides a kind of ear plug, and the earplug includes framework, wave filter, wave filter is assemblied in the framework, framework includes main body, convex portion and arc piece, and convex portion is assemblied in main body with arc piece, and cleaning hole is formed between convex portion and main body.This utility model is by rational structure design, also the exchange between user is not affected in the effective attenuation for reaching noise to external world, user is made to be convenient to clean the cerumen piled up inside earplug, and the ear canal pressure of the user of this earplug is worn in order and atmospheric pressure reaches balance, in order to avoid cause user uncomfortable because of ear canal pressure with external atmosphere pressure force unbalance.

Description

Earplug

Technical field

This utility model is related to earplug field, more particularly, to noise proot earplug.

Background technology

During commercial production, oil exploitation, air transportation, drilling well exploitation etc., Jing often produces high frequency noise, for a long time upper State to work under environment and can cause the auditory dysesthesia of worker, therefore worker needs to take healthy protective measure.In usual life Live, learn or in the work of office, the environment that people generally need peace and quiet, but external world Jing is often inevitably produced and made an uproar Sound, and the work that the noise in the external world can be to the life of people, study or in office produces harmful effect.Modal protection is arranged It is to allow worker to wear ear plug to apply, and a kind of existing ear plug has the earplug body of two symmetric designs, ear One end of plug body is provided with the projection that can be stretched in auditory meatus, and earplug body is typically made up of the material of the soft materials such as silica gel, So that projection is easily filled in auditory meatus.And two earplug bodies are connected by lanyard.

But, as the earplug body of existing ear plug is made up of materials such as silica gel completely, although can be by the external world Noise deaden, but while also useful acoustical signal is deadened, the speech sound signal of particularly people is also deadened, and people Speech sound signal is concentrated mainly on middle low-frequency range, therefore, user is difficult to the speech for hearing the external world after wearing ear plug Acoustical signal, is also difficult to smoothly be linked up with other people, and needs have to extract earplug when linking up with other people.

If additionally, user long-time wears this kind of ear plug, easily causing the blocking sense of auditory meatus, and auditory meatus External and internal pressure is uneven, easily produces the phenomenons such as fatigue, dizziness, while the work to user, life are made troubles, also The impact of the health for being unfavorable for user can be produced.

The Chinese utility model patent of Patent No. CN201520244811.6 discloses a kind of ear plug, the earplug Including filter screen and ear muff.Earplug active balance while low frequency sound signals in effectively weakening high frequency injurious noise, retaining Human antrum auris pressure and atmospheric pressure, but the ear muff is equipped with one end formation inward recess of filter screen, and the inward recess easily piles up ear Dirt and be difficult to clean.

Utility model content

Main purpose of the present utility model is to provide a kind of ear plug, and the earplug for being provided is easy to user's cleaning earplug The cerumen piled up by inside.

To realize above-mentioned main purpose, the earplug that this utility model is provided, including framework, wave filter, wave filter assembling In the framework, framework includes main body, convex portion and arc piece, and convex portion is assemblied in main body with arc piece, shape between convex portion and main body Into there is cleaning hole.

From such scheme, cleaning hole is easy to the cerumen piled up inside user's cleaning earplug.

Further scheme is that arc piece includes pressure hole, and pressure hole runs through arc piece.

As can be seen here, ear canal pressure is balanced by the regulation of pressure hole with external pressure.

Further scheme is that arc piece includes grip part, and grip part is fixedly connected with arc piece.

As can be seen here, grip part is easy to user that earplug is extracted from auditory meatus.

Further scheme is that main body includes lock chamber and pipeline, and the first end of the pipeline is connected with the lock chamber.

As can be seen here, pipeline can be entered by the acoustical signal after earplug filtration.

Further scheme is that the second end of pipeline is connected with cleaning hole.

As can be seen here, auditory meatus can be sent to by pipeline by the acoustical signal after earplug filtration.

Further scheme is that wave filter is securely fitted in the fixed intracavity.

As can be seen here, wave filter can be fixed in framework to carry out extraneous acoustical signal filtration.

Further scheme is that wave filter includes housing, and chamber is provided with housing, and housing upper end is provided with sound mouth, chamber Lower end is provided with into sound mouth.

As can be seen here, acoustical signal can be entered inside earplug by wave filter.

Further scheme is to enter sound mouth and sound mouth by the chamber, the cross-sectional area of sound mouth be less than into The cross-sectional area of sound mouth.

As can be seen here, by using the characteristic that high frequency sound wave diffracting power is poor, the cross-sectional area of sound mouth is set to The cross-sectional area into sound mouth is less than, therefore high frequency sound wave is significantly decayed through the energy after chamber, it is to avoid user is subject to the external world The impact of high frequency noise.

Further scheme is to enter sound mouth to be circle with the cross section of sound mouth, and the aperture of sound mouth is less than into sound mouth Aperture.

As can be seen here, circle is disposed as by cross section of the sound mouth with sound mouth will be entered, it is possible to decrease pressure regulation wave filter Manufacture difficulty, reduces the production cost of pressure regulation wave filter.

Description of the drawings

Fig. 1 is the structure chart of this utility model embodiment.

Fig. 2 is the structure chart at another visual angle of this utility model embodiment.

Fig. 3 is the sectional view of this utility model embodiment.

Fig. 4 is the sectional view of the framework of this utility model embodiment.

Fig. 5 is the structure chart of the wave filter of this utility model embodiment.

Fig. 6 is the sectional view of the wave filter of this utility model embodiment.

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Specific embodiment

Referring to Fig. 1, Fig. 2 and Fig. 3, earplug 100 includes framework 1, wave filter 2, and wave filter 2 is assemblied in inside framework 1, earplug Convex portion 10 on 100 is located remotely from one end of the 102 of wave filter 2, and cleaning hole 16, arc piece are formed between convex portion 10 and main body 102 It is fixedly connected on the outer wall of main body 102.

Referring to Fig. 4, framework 1 includes arc piece, convex portion 10 and main body 102.In the present embodiment, the quantity of arc piece elects three as Individual, main body 102 is coaxial rotating body with arc piece 11, arc piece 13, arc piece 14, and the axial direction of coaxial rotating body is a left side for diagram Right direction, it is illustrated that above-below direction perpendicular to left and right directions, the quantity of pressure hole 15 elects six as.Along side from left to right Upwards, arc piece 11, arc piece 14 are fixedly connected sequentially on the outer wall of main body 102 with arc piece 13.In the present embodiment, pressure hole 15 It is arranged on arc piece 11 and through arc piece 11, grip part 101 is fixedly connected on arc piece 13.Pressure hole 15 can allow ear canal pressure with Ambient pressure keeps balance.Grip part 13 extends from arc piece 13 along direction from left to right, consequently facilitating user grips earplug 100。

End on the right of main body 102 is formed with lock chamber 19, and the shape of lock chamber 19 is shown with the shape one of wave filter 2 Wave filter 2 is fixed on inside framework 1.Pipeline 12 is formed inside main body 102, and first end 18 and the lock chamber 19 of pipeline 12 connect Connect, more than 17 cleaning hole 16 of the second end of pipeline 12 connects.In the present embodiment, pipeline 12 be located at main body 102 center and Cleaning hole 16 is extended to from lock chamber 19 along straight line.Convex portion 10 is fixedly connected with main body 102, and from left to right framework 1 is entered During row observation, convex portion 10 covers pipeline 12.In the present embodiment, the shape of convex portion 10 selects arch bridge shape.Convex portion 10 is across pipeline The hole formed between second end 17 of 12 the second end 17, convex portion 10 and pipeline 12 be cleaning hole 16, cleaning hole 16 and second End 17 connects.In the present embodiment, arc piece 11, arc piece 13, arc piece 14, convex portion 10, grip part 101 and main body 102 select one The manufacture method of shaping, and selected material is silica gel.

Referring to Fig. 5 and Fig. 6, the left and right directions in scheming is horizontal, and, as longitudinal direction, chamber 24 is from shell for the above-below direction in scheming The chamber 24 that be internally formed certain depth of the lower end of body 23 to housing 23.In this embodiment, shell selects stair-stepping circle Cylinder, chamber select cylindrical cavity.Formed into sound mouth 21 in the upper end of housing 23, the lower end of chamber 24 forms sound mouth 22.Enter sound Mouth 21 is connected by chamber 24 with sound mouth 22.Entering sound mouth 21 and circular hole being with sound mouth 22, the diameter for entering sound mouth 21 is less than The diameter of sound mouth 22.In the present embodiment, the quantity for entering sound mouth 21 elects five as.

As earplug 100 needs Jing often to come in and go out human antrum auris, therefore convex portion 10 needs Jing often to scrape human antrum auris, so as to make cleaning Cerumen is piled up in hole 16 easily.If not clearing up cerumen, in the external world after filtered device 2 can be caused to filter, low-frequency range sound wave cannot enter Enter human antrum auris, make earplug 100 meet the functional requirement exchanged with the external world by user.Earplug of the prior art because Earplug front forms inward recess, causes the cerumen being deposited in inside inward recess to be difficult to clear up, earplug provided by the utility model 100 are easy to user to clear up piled up cerumen.User can be using ear picker and other items along perpendicular to upper and lower shown in the drawings Cleaning hole 16 is scraped to the direction of the plane constituted with left and right directions, so as to be cleaned to cleaning hole 16.

When external sound wave from enter sound mouth 21 into wave filter 2 chamber 24 in when, high frequency sound wave is due to its weaker diffraction Ability and cause its when passing through into sound mouth 21 energy by significantly weaken so that cause through sound mouth 22 enter pipeline 12 in Sound wave be essentially the stronger middle low-frequency range sound wave of diffracting power, middle low-frequency range sound wave enters access customer auditory meatus by pipeline 12.

So, after wearing earplug, extraneous acoustical signal can be conducted to wave filter 2, and wave filter 2 can effectively by high frequency Noise attenuation, and useful middle low-frequency sound wave is sent in human antrum auris.After wearing earplug, user can still hear that the external world has Middle low frequency sound signals, will not produce blocking sense.And ear canal pressure and ambient pressure are adjusted by using pressure hole 15 Between pressure differential so that ear canal pressure and ambient pressure reach poised state, and then avoid user from producing fatigue, dizzy Etc. phenomenon.

Certainly, above-described embodiment be only this utility model preferred embodiment, during practical application, this utility model is also There are more changes, for example, the shape of chamber can be from cone chamber；The quantity for entering sound mouth can select other numerical value；Pipeline Extension path can be curve, and the purpose of this utility model can be equally realized in these changes.

Finally it is emphasized that this utility model is not limited to above-mentioned embodiment, this utility model is the foregoing is only Preferred embodiment, it is not to limit this utility model, all within spirit of the present utility model and principle, made Any modification, equivalent substitution and improvements etc., should be included within protection domain of the present utility model.

Claims

1. a kind of earplug, including framework and wave filter, it is characterised in that：

The wave filter is assemblied in the framework, and the framework includes main body, convex portion and arc piece, and the convex portion is arranged at described The end of main body, the arc piece are fixedly connected on the body, are formed with cleaning hole between the convex portion and the main body.

2. earplug according to claim 1, it is characterised in that：

The arc piece includes pressure hole, and the pressure hole runs through the arc piece.

3. earplug according to claim 2, it is characterised in that：

The arc piece includes grip part, and the grip part is fixedly connected with the arc piece.

4. earplug according to claim 1, it is characterised in that：

The main body includes lock chamber and pipeline, and the first end of the pipeline is connected with the lock chamber.

5. earplug according to claim 4, it is characterised in that：

Second end of the pipeline is connected with the cleaning hole.

6. earplug according to claim 4, it is characterised in that：

The wave filter is securely fitted in the fixed intracavity.

7. the earplug according to any one of claim 1 to 6, it is characterised in that：

The wave filter includes housing, and chamber is provided with the housing, and the housing upper end is provided with sound mouth, the chamber lower end It is provided with into sound mouth.

8. earplug according to claim 7, it is characterised in that：

It is described enter sound mouth and the sound mouth by the chamber, the cross-sectional area of the sound mouth less than it is described enter sound mouth Cross-sectional area.

9. earplug according to claim 8, it is characterised in that：

It is described enter sound mouth and the sound mouth cross section be circle, the aperture of the sound mouth less than it is described enter sound mouth hole Footpath.