CN109963217A - A kind of earphone - Google Patents

Abstract

The present invention provides a kind of earphones, belong to ear phone technology field；It solves existing earphone low frequency poor reproducibility, and earphone leakproofness is poor, the more serious technical problem of leakage sound；A kind of earphone of the present invention, including headset body, headset body includes having the main casing of accommodating chamber and being mounted on the intracorporal loudspeaker of main casing, main casing front end is provided with front cover, axially extending sound guide tube out in the middle part of front cover, loudspeaker front end and front cover inner wall are tightly connected, front cover inner wall is gradually reduced by rear end forward end, a bucket shape voice guide hole is formed inside front cover and sound guide tube, main casing top vertical offers sound regulating hole, sound regulating hole is located at loudspeaker rear end, square is provided on sound regulating hole, accommodating chamber rear wall is parallel with loudspeaker rear end face, loudspeaker and sound regulating hole are each perpendicular to bucket shape voice guide hole；The invention enables the enhancings of the low frequency reproducibility of earphone, can prevent user's ear canal and extraneous isolation completely, avoid some potential threats, it is therefore prevented that the generation of leakage sound phenomenon.

Description

A kind of earphone

Technical field

The invention belongs to ear phone technology fields, are related to a kind of earphone.

Background technique

Earphone is widely used in every field as electronic equipment accessory indispensable in a kind of modern life. It is universal because of electronic products such as mobile phone or video players, and earphone is as its auxiliary products, in addition in daily life all with Place is as it can be seen that it while bringing many convenient, also adds infinite enjoyment to life.

Earphone is as one of numerous earphones, due to the particularity of its audio, by the favor of the majority of consumers, earphone On the basis of common headphones, in colloid chock plug insertion human ear ear canal, to obtain better airtightness, its advantages are to provide One closed environment greatly enhances the expression effect of earphone, reduces interference of the ambient noise to music, greatly reduces Leakage sound.

General earphone vibrates the phonation unit of earphone generally according to the sound signal of player, the stream of gas inside and outside earphone The frequency of the dynamic sound for directly influencing generation, thus influence of the flowing of gas to sound quality is very big, earphone has low distortion Advantage brings unprecedented sound quality sense by but being closed space in earphone, gas cannot flow to user on audio It is dynamic, therefore the low frequency reproducibility of this earphone is poor, and it is also most important frequency that low frequency, which is most basic in sound,；But due to This earphone forms a closed space between pronunciation end and human ear ear canal, and is spaced with the external world, therefore user exists It often can't hear other extraneous sound when audition music, just because of this, under some more special environment, because making The sense of hearing of user is isolated from the outside world, and the safety of its own is also frequently present larger threat, such as on the way walks or crossing When road, since user can't hear the whistle sound of vehicle, tend to be bumped against that accident occurs, and these phenomenons are in life It is commonplace in work；And in existing earphone, usually since earphone leakproofness is poor, leakage sound is more serious, and leaks sound not It can only be impacted to the people around user, more greatly reduce the using effect of earphone.

Summary of the invention

The purpose of the present invention is there are the above problem, proposed for the prior art it is a kind of can be promoted earphone low-frequency effect, The earphone being connected to inside earphone with earphone outside can effectively be enhanced while realizing earphone leakproof sound.

Object of the invention can be realized by the following technical scheme: a kind of earphone, including headset body, headset body packet It includes the main casing with accommodating chamber and is mounted on the intracorporal loudspeaker of main casing, main casing front end is provided with front cover, axis in the middle part of front cover To sound guide tube is extended, loudspeaker front end and front cover inner wall are tightly connected, and front cover inner wall is gradually reduced by rear end forward end, described A bucket shape voice guide hole is formed inside front cover and sound guide tube, main casing top vertical offers sound regulating hole, and sound regulating hole is located at loudspeaker Rear end is provided with square on the sound regulating hole, and the accommodating chamber rear wall is parallel with loudspeaker rear end face, and loudspeaker is equal with sound regulating hole Perpendicular to bucket shape voice guide hole.

Compared with prior art, the invention has the following advantages:

1, sound regulating hole is opened up at the top of main casing, so that communicating outside the accommodating chamber of this earphone and earphone, in accommodating chamber Gas can be flowed to outside earphone by sound regulating hole, keep earphone inside consistent with external pressure, so that the low frequency reproducibility of earphone Enhancing, ensure that the better sound quality of earphone；

2, voice guide hole is located at the top of main casing, the sound with loudspeaker and sound guide tube at vertical gesture, outside earphone A part enters the intracavitary portion of earphone ac, under the action of square, weakens into the wave volume in accommodating chamber, since sound has There is directive property, therefore external sound is rebounding by accommodating chamber bottom to outside earphone into rear portion in accommodating chamber, one Part enters in loudspeaker by accommodating chamber rear wall to be heard hence into user's ear by user, therefore can both prevent from making User's ear canal and extraneous isolation completely avoid some potential threats, and external sound enters its rear volume down in accommodating chamber It is weak, the audition of user is influenced smaller；

3, since loudspeaker front end and front cover inner wall are tightly connected so that the space formed between loudspeaker and front cover with raise The spaced apart formed between sound device and accommodating chamber rear wall, the sound issued through loudspeaker are directly passed in ear canal, will not let out It drains in accommodating chamber rear portion or outside earphone, it is therefore prevented that the generation of leakage sound phenomenon further increases earphone while environmental protection Using effect.

Detailed description of the invention

Fig. 1 is a kind of planar structure schematic diagram of earphone of the present invention.

Fig. 2 is the schematic perspective view of headset body in a kind of earphone of the present invention.

Fig. 3 is the top view of headset body in a kind of earphone of the present invention.

Fig. 4 is the side the schematic diagram of the section structure of headset body in a kind of earphone of the present invention.

Fig. 5 is the schematic perspective view of earphone bulk line control device in a kind of earphone of the present invention.

In figure, 100, headset body；110, main casing；111, sound regulating hole；112, square；113, arcuate neck；120；Before Lid；121, sound guide tube；122, bucket shape voice guide hole；123, flange；130；Accommodating chamber；140, loudspeaker；150, ear muff；151, it clamps Portion；152, flange collar；160, the first fixture block；161, the first vertical plate；162, the first bottom plate；200, plug；300, main line；400, divide Line；500, wire-controlled apparatus；510, upper cover；511, telephone receiving key；512, axial pit；513, function key；514, sound inlet； 520, lower cover；530, the second fixture block；531, the second vertical plate；532, the second bottom plate.

Specific embodiment

Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.

As shown in Figure 1, a kind of earphone, including 500, two two headset bodies 100, plug 200, wire-controlled apparatus separated times 400 and a main line 300, plug 200 is connected to one end of main line 300, and headset body 100 connects with one end of separated time 400 respectively It connects, the other end of two separated times 400 is connect with main line 300 simultaneously, and wire-controlled apparatus 500 is connect with a wherein separated time 400.

As shown in Figures 2 to 4, headset body 100 includes main casing 110 and the front cover connecting with 110 front end of main casing 120, an accommodating chamber 130 is provided with inside main casing 110, and loudspeaker 140, front cover are installed between accommodating chamber 130 and front cover 120 The axially extending sound guide tube 121 out in 120 middle parts, 140 front end outer side wall of loudspeaker and 120 inner wall of front cover are tightly connected, in front cover 120 Wall is successively reduced by rear end forward end, is interior empty straight-through through-hole, 120 inner wall of front cover and 121 inner wall of sound guide tube in sound guide tube 121 A bucket shape voice guide hole 122 is formed, 110 top vertical of main casing offers sound regulating hole 111, square 112 is installed on tuning sky, Sound regulating hole 111 is located at 140 rear end of loudspeaker, and 130 rear wall of accommodating chamber is parallel with loudspeaker 140, loudspeaker 140 and sound regulating hole 111 It is each perpendicular to voice guide hole.

Due to opening up sound regulating hole 111 at the top of main casing 110, make outside accommodating chamber 130 and the earphone in headset body 100 Portion communicates, and under the vibration of loudspeaker 140, gas can be flowed to outside earphone in air pressure change by sound regulating hole 111 in accommodating chamber 130 Portion keeps earphone inside consistent with external pressure, so that the low frequency reproducibility of earphone enhances, ensure that the better sound quality of earphone；And Voice guide hole is located at the top of main casing 110, the perpendicular gesture with loudspeaker 140 and sound guide tube 121, the sound one outside earphone Part enters inside earphone ac chamber 130, under the action of square 112 and accommodating chamber 130, enters accommodating chamber by square 112 Wave volume in 130 weakens, and since sound has directive property, external sound is entering latter portion in accommodating chamber 130 Lease making crosses the rebound of 130 bottom of accommodating chamber to outside earphone, a part by 130 rear wall of accommodating chamber enter in loudspeaker 140 from And enter in user's ear and heard by user, therefore enter rear sound in accommodating chamber 130 and greatly reduced relative to original sound volume, User's ear canal and extraneous isolation completely are prevented, avoids user by some potential threats, and volume weakens, to using The audition influence of person is smaller, and user conscious can tell the sound that external voice and loudspeaker 140 are spread out of, neither shadow It rings user to listen to music, and safer；Further, since 140 front end of loudspeaker and 120 inner wall of front cover are tightly connected, so that The space formed between the space formed between loudspeaker 140 and front cover 120 and loudspeaker 140 and 130 rear wall of accommodating chamber is separated by It opens, in the directly incoming user's ear canal of the sound issued through loudspeaker 140, will not leak into 130 rear portion of accommodating chamber or ear Outside machine, it is therefore prevented that the generation of leakage sound phenomenon further increases the using effect of earphone while environmental protection.

As shown in Figures 2 and 3, the shape of sound regulating hole 111 is annular and is laterally provided with 110 top of main casing, square 112 Shape be adapted with the shape of sound regulating hole 111, to be flat in the accommodating chamber 130 after installing loudspeaker 140, and sound regulating hole 111 are shaped to and move towards consistent shape with 130 rear shape of accommodating chamber, not only adequately make 130 rear portion of accommodating chamber with It is communicated outside earphone, during loudspeaker 140 vibrates, the air being pressurized inside accommodating chamber 130 also can be sufficiently at first It is interior to be forced out outside earphone, shorten the consistent time of the air pressure inside and outside earphone, thus the vibration of loudspeaker 140 is shortened to sound Sound is passed to the time of audio distortions between ear canal, so that it is more life-like and original into the sound in ear canal through loudspeaker 140, It is distorted smaller.

Further, since human ear ear canal length is different, and earphone using when be predominantly located at external auditory canal, the length of external auditory canal Degree is in 1mm or so, and according to different people, the length of external auditory canal is also different, therefore 121 length range of sound guide tube is in 7mm-15mm Between, 121 length of sound guide tube be less than 7mm will lead to earphone cannot be inserted into external auditory canal or insertion after frequently fall off, sound guide tube 121 Length, which is greater than 15mm, to cause inconvenient, the unstable, using effect of wearing and audition effect poor because sound guide tube 121 is too long, Preferably, 121 length of sound guide tube of this earphone is 10mm.

As shown in Figures 2 to 4,121 outer cover of sound guide tube is equipped with ear muff 150, and 121 front end outward radial of sound guide tube is provided with The outer diameter of one flange 123, flange 123 is slightly larger than the outer diameter of sound guide tube 121, and is internally provided with a clamping part in ear muff 150 151,151 rear end of clamping part is radially provided with a flange collar 152, and the internal diameter of flange collar 152 is slightly smaller than the internal diameter of clamping part 151, Ear muff 150 is made with current material well known to silica gel etc., and since silica gel is soft material, flexibility is stronger, and flange collar 152 is in external force Acting on its lower internal diameter can increase, therefore flange collar 152 is freely stuck on flange 123 and ear muff 150 is fixed on sound guide tube 121, It can also arbitrarily be removed from sound guide tube 121 under external force.

Since ear muff 150 and sound guide tube 121 dismount flexibly, can be equipped with simultaneously the different ear muff 150 of multiple sizes, length and Sound guide tube 121 matches, for a wider population, and use scope is wider, and since the length of sound guide tube 121 is longer, ear muff 150 can move axially on 121 outer wall of sound guide tube, therefore are respectively formed one when earphone enters in ear canal and removes ear canal and delay Punching, prevent sound guide tube 121 or ear muff 150 and the direct rigid friction of ear canal wall, and effective protection ear canal preserves from, and more increases The comfort that earphone is worn.

As shown in figure 4, the accent of accommodating chamber 130 to 100 bottom end of headset body forms an arcuate neck 113, arcuate neck 113 upper end is at the same level with 150 rear end of ear muff, and after ear muff 150 is mounted on sound guide tube 121 and main casing 110 is integrally formed one A turning angle is 90 degree of arc, when wearing earphone, the arcuate neck 113 of main casing 110 be attached to ear canal mouth and ear-lobe On, so that earphone is more firm when wearing, comfort when wearing is also increased, ergonomic designs, more people are met Property, and this airflow design also increases the aesthetic feeling of earphone entirety.

As shown in Figure 1, being also connected with wire-controlled apparatus on a wherein separated time 400 for connection main line 300 and main casing 110 500, wire-controlled apparatus 500 is generally shaped like rectangle and is assembled by upper cover 510 and lower cover 520, under wire-controlled apparatus 500 End surfaces are provided with the telephone receiving key 511 for answering and terminating call, and the upper end on 500 surface of wire-controlled apparatus is provided with one Axial pit 512, a function key 513 is equipped in axial pit 512, and the length of the function key 513 is less than axial pit 512 Length, the function key 513 move axially in axial pit 512, in axial pit 512 and wire-controlled apparatus 500 upper end end Between be also provided with sound inlet 514, when the function key 513 is moved to one end close to telephone receiving key 511, this earphone can be with IPhone connection uses, and when the function key 513 is moved to one end far from telephone receiving key 511, this earphone can be with promise base The connection of the regular handsets such as Asia uses.

Telephone receiving key 511 and function key 513 are also provided on the wire-controlled apparatus 500, therefore this earphone removes and has base Outside this function of listening to music, it can also be connect with mobile phone, while having both the function of listening to music and receive calls, due to existing The earphone jack of iPhone and regular handset is incompatible, and the earphone of the earphone and regular handset that lead to iPhone cannot lead to With, so very it is inconvenience, further increases the use cost of user, and moveable function key is set on wire-controlled apparatus 500 513, it, can be by adjusting the function on wire-controlled apparatus 500 when earphone is inserted into the earphone jack of iPhone or regular handset Can key 513 make earphone being while applicable to iPhone and regular handset, it is therefore more convenient to use, and without passing through conversion Device reduces the use cost of user come the requirement for meeting earphone while using on iPhone and regular handset.

As shown in Figure 2, Figure 4 shows, the bottom end of main casing 110 is provided with the first fixture block 160,160 section of the first fixture block is in U Shape, the first fixture block 160 have the first bottom plate 162 of two symmetrically arranged first vertical plates 161 and two vertical plates of connection, the first fixture block 160 are stuck in 110 bottom of main casing and two first vertical plates 161 are pressed respectively against on the front/rear end of 110 bottom of main casing, the first bottom plate 162 is fair with the bottom end face of main casing 110, and the separated time 400 of connection main casing 110 passes through the first bottom plate 162 and enters main casing In body 110 and the first bottom plate 162 is by 400 clamping of separated time, as shown in figure 5, similarly, the both ends of wire-controlled apparatus 500 are provided with second Fixture block 530, the shape of the second fixture block 530 is identical as the shape of the first fixture block 160, and the second fixture block 530 has symmetrically arranged two Second bottom plate 532 of two second vertical plates 531 of the second vertical plate 531 and connection, the second fixture block 530 are stuck in the both ends of wire-controlled apparatus 500 And two second vertical plate 531 be pressed respectively against on the front/rear end of wire-controlled apparatus 500, the both ends of the second bottom plate 532 and wire-controlled apparatus 500 End face is at the same level, and connect the separated time 400 at 500 both ends of wire-controlled apparatus is each passed through the second fixture block 530 into line traffic control with main line 300 The upper and lower ends of device 500, separated time 400 and main line 300 are by 530 clamping of the second fixture block of respective end.

It is connected since separated time 400 puts in 110 inside of main casing with the loudspeaker 140 in accommodating chamber 130, is using ear When machine, separated time 400 and loudspeaker 140 more or less will form biggish pulling force under external force, when pulling force is excessive, separated time 400 are easy to be detached from loudspeaker 140, and earphone is caused to damage, to not be available, therefore fixture block are arranged in 110 bottom of main casing Separated time 400 is blocked, separated time 400 is effectively protected and is not damaged by pullling for pulling force, similarly, 500 both ends of wire-controlled apparatus Fixture block is while protecting separated time 400 to connect respectively with wire-controlled apparatus 500 with main line 300, effectively by upper cover 510 and lower cover 520 is fixed, prevents upper cover 510 and lower cover 520 to be subjected to displacement or separate when in use, effectively protects wire-controlled apparatus 500 Overall structure.

Obtained by above-described embodiment working principle of the present invention is as follows: plug 200 is inserted into mobile phone or other musics In the jack of equipment, audio signal is issued after opening playing function, in mobile phone or music player devices after player is handled, Electric signal is converted into from earphone jack there and is exported with the electric signal after converting, and electric signal is successively by main line 300, separated time 400 It passes in the loudspeaker 140 inside earphone, under the driving for the electric current that loudspeaker 140 changes in magnetism circuit and voice coil, drives The vibrating diaphragm of loudspeaker 140 vibrates, and in turn, the intracorporal air of earphone chamber is under the effect of vibration of vibrating diaphragm by telecommunications Number be converted into acoustical signal, because sound is to be shaken to generate by object, issued sound, these last sound successively by Sound guide tube 121 is transmitted to inside human ear.

The air pressure outside air and earphone in the vibrating diaphragm vibration processes of loudspeaker 140, in accommodating chamber 130 Always consistent, voice guide hole is located at the top of main casing 110, the perpendicular gesture with loudspeaker 140 and sound guide tube 121, outside earphone Sound a part enter inside earphone ac chamber 130, a part by 130 rear wall of accommodating chamber enter in loudspeaker 140 from And enter in user's ear and heard by user, and greatly reduced by the sound that user hears relative to source of sound volume, it uses Person's ear canal non-fully completely cuts off with the external world, and such user neither influences to listen to music, and safer when use；Electric signal passes through Loudspeaker 140 passes in sound guide tube 121 after being converted into acoustical signal through the space between loudspeaker 140 and front cover 120, and being finally passed to makes In user's ear canal, since the space between loudspeaker 140 and front cover 120 is totally enclosed type, the acoustical signal after conversion will not be leaked into In accommodating chamber 130 or outside earphone, using effect that is not only environmentally friendly but also increasing earphone.

Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (1)

1. a kind of earphone, including headset body (100), headset body (100) includes the main casing with accommodating chamber (130) (110) with the loudspeaker (140) that is mounted in main casing (110), main casing (110) front end is provided with front cover (120), front cover (120) middle part is axially extending out sound guide tube (121), it is characterised in that: loudspeaker (140) front end and front cover (120) inner wall seal Connection, front cover (120) inner wall are gradually reduced by rear end forward end, and the front cover (120) and formation inside sound guide tube (121) are a pipeful of Shape voice guide hole (122), main casing (110) top vertical offer sound regulating hole (111), and sound regulating hole (111) is located at loudspeaker (140) Rear end is provided with square (112) on the sound regulating hole (111), accommodating chamber (130) rear wall and loudspeaker (140) rear end face In parallel, loudspeaker (140) and sound regulating hole (111) are each perpendicular to bucket shape voice guide hole (122).