CN207708086U - Earplug - Google Patents

Abstract

The utility model is related to earplug fields, and provide a kind of earplug, the earplug includes framework, filter, filter is assemblied in framework, framework includes that main body, gap arcs and integrated arcs, gap arcs are both connected to integrated arcs in main body, and integrated arcs are sequentially arranged with gap arcs, integrated arcs include gripping tab, and the inner wall of gripping tab from integrated arcs extends to the outside of integrated arcs；Gap arcs include the first arcs and the second arcs, first arcs are sequentially arranged with the second arcs along first direction, and the first arcs include two the first clearance portions, and the second arcs include two the second clearance portions, first clearance portion runs through the first arcs, and the second clearance portion runs through the second arcs.First arcs can self interlocks by the first clearance portion, and the second arcs can self interlocks by the second clearance portion.With this structure, earplug can be worn in place in smaller duct, and earplug is avoided to cause duct uncomfortable to duct excessive compression, ensure that duct is ventilative and dry.

Description

Earplug

Technical field

The utility model is related to earplug fields, more particularly, to noise proot earplug.

Background technology

Environmental noise pollution is one of three major source of pollution.With industrial production, communications and transportation, urban construction development and The increase of the density of population, home amenity（Sound equipment, air-conditioning, television set etc.）Increase, environmental noise getting worse, it has become dirt Contaminate a big public hazards of human society environment.The Hearing of worker can be caused by working under noisy environment for a long time, therefore be worked Person needs to take healthy safeguard measure.In daily life, study, work, people usually require quiet environment, but extraneous Noise is often inevitably generated, and extraneous noise can generate harmful effect to people’s lives, study, work.Most often The safeguard measure seen is that worker is allowed to wear ear plug, and there are two the ears of symmetric design for a kind of existing ear plug tool Ontology is filled in, one end of earplug body is equipped with the convex block that can be stretched into duct, and earplug body is typically what the material is soft by silica gel etc. Material is made, so that convex block is easily filled in duct.And two earplug bodies are connected by lanyard.

But since the earplug body of existing ear plug is made of materials such as silica gel completely, although can will be extraneous Noise deaden, but also useful voice signal is deadened simultaneously, the speech sound signal of especially people is also deadened, and people Speech sound signal is concentrated mainly on middle low-frequency range, and therefore, user is difficult to hear extraneous speech after wearing ear plug Voice signal is also difficult to smoothly be linked up with other people, has to extract earplug when needing to link up with other people.

In addition, if user wears such ear plug for a long time, it be easy to cause the blocking sense of duct, and duct External and internal pressure is uneven, easy tos produce phenomena such as tired, dizzy, while work, the life to user are made troubles, also It will produce the influence for being unfavorable for the health of user.

The Chinese utility model patent of Patent No. CN201620791516.7 discloses a kind of earplug filtering fuse and ear Plug, the earplug filter fuse and carry out effective attenuation to ambient noise.However, the long periods of wear earplug will cause it is impermeable in duct Gas declines so as to cause user's comfort.

The Chinese utility model patent of Patent No. CN201621113151.9 discloses a kind of ear plug, the earplug Including framework and filter.The arcs of the earplug are integrated arcs, it is caused to drop the adaptability of duct not of uniform size It is low, on the one hand enable user can not be by the interlaced to enable earplug wear in place, on the other hand to enable vapor of arcs ontology Droplet is converted in duct, and then users'comfort is caused to decline.

Utility model content

The main purpose of the utility model is to provide a kind of earplug, and the earplug provided may filter that ambient noise, convenient for use It wears in place and ensures the ventilative and dry of ear canal internal in family.

For the main purpose for realizing above-mentioned, earplug provided by the utility model, including framework, filter, filter assembly In in framework, framework includes that main body, gap arcs and integrated arcs, gap arcs are both connected to integrated arcs in main body, from It is first direction that integrated arcs, which are directed toward gap arcs and are parallel to the direction of integrated arcs axis, and integrated arcs include gripping tab, The inner wall of gripping tab from integrated arcs extends to the outside of integrated arcs along the negative direction of first direction；Gap arcs include first Arcs and the second arcs, integrated arcs, the first arcs are sequentially arranged with the second arcs along first direction, and the first arcs include two First clearance portion, the second arcs include two the second clearance portions, and the first clearance portion runs through the first arcs, and the second clearance portion is through the Two arcs.

By said program as it can be seen that the first arcs can self interlocks by the first clearance portion, the second arcs can pass through second Clearance portion and self interlocks.With this structure, earplug can be worn in place in smaller duct, avoid earplug to duct excessive compression And cause duct uncomfortable, ensure that duct is ventilative and dry.It is provided with integrated arcs and filter, it is ensured that soundproof effect and noise control Effect.

Further embodiment is, the first clearance portion is U-shaped gap, and the first clearance portion includes the first face and the second face, first The angle in face and the second face is 8.2 degree.

It can be seen that ensureing self staggered effect of the first arcs, while the first arcs being avoided leakage sound occur.

Further embodiment is that two the first clearance portions are arranged along the radial symmetric of the first arcs.

It can be seen that manufacture easy to process, is also conducive to the first arcs and generates deformation to be positioned in duct.

Further embodiment is that the second clearance portion is U-shaped gap, and the first clearance portion includes third face and fourth face, third The angle of face and fourth face is 21 degree.

It can be seen that ensureing self staggered effect of the second arcs, while the second arcs being avoided leakage sound occur.

Further embodiment is that two the second clearance portions are arranged along the radial symmetric of the first arcs.

It can be seen that manufacture easy to process, is also conducive to the second arcs and generates deformation to be positioned in duct.

Further embodiment is, on negative direction in a first direction, the axis of the axis of the first clearance portion and the second clearance portion The obtuse angle that line is formed is 120 degree.

It can be seen that in a first direction, avoiding the first clearance portion Chong Die with the second clearance portion, ensure that the sound insulation of earplug is anti- It makes an uproar effect.

Further embodiment is, integrated arcs, the first arcs and the second arcs radius be gradually reduced along first direction.

It can be seen that earplug is worn in place convenient for user.

Further embodiment is that earplug includes strainer, and framework includes tone channel, go out tone channel along first direction negative direction from The end face of framework extends in framework, and strainer fixing assembling is in going out in tone channel.

It can be seen that strainer can stop that the foreign matters such as earwax are fallen on filter, ensure the noise control effect of filter.

Further embodiment is that tone channel include sound mouth, and strainer is to be arranged close to sound mouth.

It can be seen that the foreign matters such as excessive earwax is avoided to enter earplug.

Further embodiment is that in a first direction, the distance between strainer and sound mouth are 3.5 millimeters.

It can be seen that while avoiding the foreign matters such as excessive earwax from entering earplug, provide enough foreign matter accommodation spaces with Exempt from earplug frequently by foreign matters from being blocked, improves ease of use.

Description of the drawings

Fig. 1 is the structure sectional view of the utility model embodiment.

Fig. 2 is the structure chart of the utility model embodiment.

Fig. 3 is the structure chart at another visual angle of the utility model embodiment.

Fig. 4 is the front view of the utility model embodiment.

Fig. 5 is the sectional view of the filter of the utility model embodiment.

The utility model is described in further detail with reference to the accompanying drawings and embodiments.

Specific implementation mode

Referring to Fig. 1, earplug 9 includes framework 1, filter 2, and for 2 fixing assembling of filter in framework 1, framework 1 includes main body 10, gap arcs 11 and integrated arcs 12, gap arcs 11 are both connected to integrated arcs 12 in main body 10, integrated arcs 12 with Gap arcs 11 are sequentially arranged, and are the from the direction that integrated arcs 12 are directed toward gap arcs 11 and are parallel to 12 axis of integrated arcs One direction, integrated arcs 12 include gripping tab 13, and the inner wall of gripping tab 13 from integrated arcs 12 prolongs along the negative direction of first direction The outside of integrated arcs 12 is extended to, consequently facilitating user holds earplug 9.

Earplug 9 includes strainer 6, and framework 1 includes tone channel 8, goes out tone channel 8 along the negative direction of first direction from the end of framework 1 Face extends in framework 1, and 6 fixing assembling of strainer is in going out in tone channel 8.Strainer 6 can stop that the foreign matters such as earwax are fallen on filter 2, Ensure the noise control effect of filter 2.It includes sound mouth 80 to go out tone channel 8, and strainer 6 is to be arranged close to sound mouth, avoids excessive earwax Equal foreign matters enter earplug 9.In a first direction, the distance between strainer 6 and sound mouth are 3.5 millimeters.Optimally to avoid While the foreign matters such as more earwax enter earplug 9, enough foreign matter accommodation spaces are provided in order to avoid earplug 9 carries frequently by foreign matters from being blocked High ease of use.Earplug 9 is provided with integrated arcs 12 and filter 2, it is ensured that soundproof effect and noise control effect.In this implementation In example, the material of framework 1 is elastic silica gel, and framework 1, which is one of the forming, to be made.

Referring to Fig. 2 to Fig. 4, gap arcs 11 include the first arcs 15 and the second arcs 16, integrated arcs 12, the first arcs 15 and second arcs 16 be coaxial rotating body, integrated arcs 12, the first arcs 15 and the second arcs 16 along first direction successively Arrangement, the first arcs 15 include two the first clearance portions 18, and the second arcs 16 include two the second clearance portions 19, the first clearance portion 18 along the first arcs 15 first arcs 15 that extend radially through, the second clearance portion 19 extends radially through the second arcs along the second arcs 16 16.First clearance portion 18 divides the first arcs 15 for first 55 and second 56, and the second arcs 16 are divided in the second 19, gap For first 57 and second 58.First 55 with second 56 can by the first clearance portion 18 by it is interlaced, to realize First arcs 15 self are interlocked.First 57 with second 58 can by the second clearance portion 19 by self interlocks, to realize Second arcs 16 self are interlocked.With this structure, even if the duct of user is smaller, earplug 9 can pass through the first arcs 15 and second Self staggeredly being worn in smaller duct in place for arcs 16, avoids earplug 9 from causing duct not to duct excessive compression It is suitable, ensure that duct is ventilative and dry.

First clearance portion 18 is U-shaped gap, and the first clearance portion 18 includes the first face 50 and the second face 51, the first face 50 and the The angle c in two faces 51 is 8.2 degree.Angle c is set for 8.2 degree optimally to ensure self staggered effect of the first arcs 15, together When avoid the first arcs 15 occur leakage sound.Two the first clearance portions 18 are arranged along the radial symmetric of the first arcs 15.It is easy to process Manufacture is also conducive to the first arcs 15 and generates deformation to be positioned in duct.Second clearance portion 19 is U-shaped gap, the first clearance portion 18 include third face 52 and fourth face, and the angle a of third face 52 and fourth face 53 is 21 degree.Angle a is set for 21 degree with optimal Ground ensures self staggered effect of the second arcs 16, while the second arcs 16 being avoided leakage sound occur.

Two the second clearance portions 19 are arranged along the radial symmetric of the first arcs 15, and manufacture easy to process is also beneficial to second Arcs 16 generate deformation to be positioned in duct.In a first direction, the axis of the first clearance portion 18 and the second clearance portion 19 The obtuse angle b that axis is formed is 120 degree.On negative direction in a first direction, angle b is set as 120 degree, optimally to avoid between first Gap portion 18 is Chong Die with the second clearance portion 19, to avoid sound by the overlapping of the first clearance portion 18 and the second clearance portion 19 by Leakage ensures the noise insulation effect of earplug 9.The radius of integrated arcs 12, the first arcs 15 and the second arcs 16 is along first Direction is gradually reduced.Earplug 9 is worn in place convenient for user.In the present embodiment, refer to " on negative direction in a first direction " with The negative direction of first direction is as view directions.

Referring to Fig. 5, filter 2 include lid 21, fixing piece 22, High frequency filter part 23, fixing sleeve 24, dust guard 25 with it is low Frequency filtering part 26.Dust excluding plate 33 can utilize the weaker characteristic of high frequency sound wave diffracting power to the high frequency sound wave in extraneous acoustical signal into Row weakens for the first time, and extraneous acoustical signal of the high frequency sound wave after weakening for the first time enters into sound mouth 40.Since the area into sound mouth 40 is small In the area of sound outlet hole 36, therefore high-frequency noise can be carried out significantly by using high frequency sound wave diffracting power lower characteristic Weaken.The fixing sleeve 24 for being equipped with High frequency filter part 23, dust guard 25 and low frequency filtering part 26 is then fixed on lid by fixing piece 22 In the chamber 28 of body 21, while by enabling the internal diameter of shell 31 smaller than the internal diameter of shell 44, so as to utilize high frequency sound wave diffraction The lower characteristic of ability weakens high frequency noise again.Therefore, the external world after High frequency filter part 23 and fixing piece 22 is passed through Low frequency noise in acoustical signal is substantially weakened with high frequency noise.At this point, extraneous acoustical signal enters across sound mouth 27 Go out tone channel 8, and human antrum auris is entered by sound mouth 80 therewith.Since the low frequency noise of extraneous acoustical signal at this time is made an uproar with high frequency Sound is substantially weakened, and extraneous acoustical signal is harmless.

In this way, after wearing earplug 9, extraneous voice signal can be conducted to earplug 9, and earplug 9 can effectively make an uproar high frequency Sound weakens with low frequency noise, and useful middle low-frequency sound wave is sent in human antrum auris.After wearing earplug 9, user still may be used Hear extraneous useful middle low frequency sound signals.Pass through the first arcs 15 of earplug 9 and self interlocking for the second arcs 16, human body Duct can keep gas appropriate to flow, and the vapor in duct is avoided to be converted to droplet, ensure human antrum auris drying.Because of first Arcs 15 self are interlocked with the second arcs 16, and earplug 9 will not block sense simultaneously to duct excessive compression to avoid duct from generating Ensure that earplug 9 is worn in place.Therefore, earplug 9 can synthetically improve human body comfort, to avoid user from generating fatigue, head Phenomena such as dizzy.

Finally it is emphasized that the present invention is not limited to the above embodiments, the foregoing is merely the utility model Preferred embodiment, be not intended to limit the utility model, within the spirit and principle of the utility model, made by Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this utility model.

Claims (10)

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

The filter is assemblied in the framework, and the framework includes main body, gap arcs and integrated arcs, the gap arc Piece is all connected on the body with the integrated arcs, is directed toward the gap arcs from the integrated arcs and is parallel to described The direction of integrated arcs axis is first direction, and the one arcs include gripping tab, and the gripping tab is from the integrated arcs Inner wall the outsides of the integrated arcs is extended to along the negative direction of the first direction；

The gap arcs include the first arcs and the second arcs, the one arcs, first arcs and second arc Piece is sequentially arranged along the first direction, and first arcs include two the first clearance portions, and second arcs include two Second clearance portion, first clearance portion run through first arcs, and second clearance portion runs through second arcs.

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

First clearance portion is U-shaped gap, and first clearance portion includes the first face and the second face, first face with it is described The angle in the second face is 8.2 degree.

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

Two first clearance portions are arranged along the radial symmetric of first arcs.

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

Second clearance portion is U-shaped gap, and first clearance portion includes third face and fourth face, the third face with it is described The angle of fourth face is 21 degree.

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

Two second clearance portions are arranged along the radial symmetric of second arcs.

6. earplug according to any one of claims 1 to 5, it is characterised in that：

On the negative direction of the first direction, the axis of first clearance portion and the axis formation of second clearance portion Obtuse angle is 120 degree.

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

It is described one arcs, first arcs and second arcs radius be gradually reduced along the first direction.

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

The earplug includes strainer, and the framework includes tone channel, it is described go out tone channel along the first direction negative direction from institute The end face for stating framework extends in the framework, the strainer fixing assembling in it is described go out tone channel in.

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

It is described go out tone channel include sound mouth, the strainer be close to the sound mouth be arranged.

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

In said first direction, the distance between the strainer and the sound mouth are 3.5 millimeters.