CN208046860U - Earphone - Google Patents

Abstract

The utility model discloses a kind of earphone, including the loudspeaker monomer for forming the shell of accommodation space and being contained in the accommodation space, accommodation space is separated into the preceding operatic tunes and the rear operatic tunes by the loudspeaker monomer, case inside surface at the preceding operatic tunes, which combines, is fixed with inner cover, the loudspeaker monomer is fixedly connected by inner cover with the shell, and the inner cover is provided with operatic tunes internal protrusion forward with the protrusion of operatic tunes volume before reducing.The earphone of the utility model improves the high frequency sound quality of earphone by the way that the protrusion of operatic tunes internal protrusion forward is arranged in inner cover with the volume of the operatic tunes before reduction.

Description

Earphone

Technical field

The utility model is related to electroacoustic techniques fields.More particularly, to a kind of earphone.

Background technology

With the extensive use of the portable electronic products such as high-quality smart mobile phone, Pad, people couple can be with its fit applications Earphone requirement it is also higher and higher, while requiring its bodily form small and exquisite, also requiring it to have true to nature can reproduce various sounds The high-fidelity sound quality performance of effect.In addition, no matter which kind of above-mentioned electronic product, in order to allow user in the case where not interfering other people The voice signal that electronic product is provided is listened to, earphone has become the necessary accessory of each electronic product, and earphone also provides in addition User preferable voice transmission, enables users to clearly hear sound.

The operatic tunes influences very big, the tone color of same loud speaker result of broadcast in without the operatic tunes for the good and bad of earphone sound quality It may differ by larger, some are more melodious, some are then more dull.The audio product of earphone can be improved in structure by optimizing the operatic tunes Matter.The preceding operatic tunes influences low-frequency range little, the main high frequency section for influencing sound, with the increase of preceding operatic tunes volume, harmonic high frequency A meeting of shaking is lower and lower, and effective band can narrow, and causes tone color more dull, sound quality is poor.Due to earphone shape need with The shape matching in human ear road is corresponding and earphone inside loudspeaker unit volumetric constraint, the body of the operatic tunes before current earphone Product is excessive, leads to that the high band sound pressure sensitivity of earphone is low, high frequency sound quality is poor.

Accordingly, it is desirable to provide a kind of novel earphone, to overcome drawbacks described above.

Utility model content

The purpose of this utility model is to provide a kind of earphone, which has the preceding operatic tunes volume reduced, to improve The high band acoustical behavior of earphone products.

One side according to the present utility model provides a kind of earphone, including forms shell and the receiving of accommodation space Accommodation space is separated into the preceding operatic tunes and the rear operatic tunes, institute by the loudspeaker monomer in the accommodation space, the loudspeaker monomer Case inside surface before stating at the operatic tunes, which combines, is fixed with inner cover, and the loudspeaker monomer is fixed by inner cover and the shell to be connected It connects, the inner cover is provided with operatic tunes internal protrusion forward with the protrusion of operatic tunes volume before reducing.

Preferably, the protrusion is set as integrally formed with inner cover side wall.

Preferably, operatic tunes internal bend convexes to form protrusion to the inner cover side wall forward.

Preferably, the inner cover side wall thickening convexes to form protrusion.

Preferably, the protrusion is in conjunction with the inner surface for being fixed on the inner cover.

Preferably, the protrusion is set as thin wall type structure, and surrounds cavity with the inner cover.

Preferably, the shell includes the front housing and rear shell of secure bond, and the inner cover is in conjunction with being fixed on the front housing Inner surface, the loudspeaker monomer are fixedly connected by inner cover with the front housing.

Preferably, the front housing and it is interior cover corresponding section and be provided with let out acoustic aperture, described let out is covered with damping screen in acoustic aperture Cloth.

Preferably, the damping screen cloth is arranged between the front housing and inner cover, and in conjunction with being fixed on the outer of the inner cover Side surface.

The beneficial effects of the utility model are as follows：

The earphone of the utility model by being arranged the protrusion of operatic tunes internal protrusion forward in inner cover, to reduce the preceding operatic tunes Volume improve the high frequency sound quality of earphone to make the high-frequency resonant point of earphone frequency response curve be in ideal interval.

Description of the drawings

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.

Fig. 1 shows the sectional view of the utility model embodiment 1.

Fig. 2 shows the sectional views of the utility model embodiment 2.

Fig. 3 shows the sectional view of the utility model embodiment 3.

Fig. 4 shows the sectional view of the utility model embodiment 4.

Specific implementation mode

In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings The explanation of step.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that below Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.

Embodiment 1：

In order to which the volume for solving the operatic tunes before earphone in the prior art is excessive, cause the high frequency sound quality of earphone is poor to ask Topic, the utility model provides a kind of earphone, as shown in Figure 1, the earphone include secure bond front housing 1 together and rear shell 2, And it is housed in the loudspeaker monomer 3 in the accommodation space that front housing 1 and rear shell 2 are collectively formed, loudspeaker monomer 3 is by accommodation space It is separated into the preceding operatic tunes isolated from one another and the rear operatic tunes, wherein the preceding operatic tunes is towards the direction of front housing, and the rear operatic tunes is towards the side of rear shell To.For the sound outflow for making earphone send out, sound outlet hole is additionally provided on front housing, this Headphone structure belongs to this field skill The common knowledge of art personnel, no longer illustrates herein.The earphone of the utility model further includes combining to be fixed on 1 inside table of front housing The inner cover 4 in face, loudspeaker monomer 3 are fixedly connected by inner cover 4 with front housing 1.Inner cover 4 is provided with towards protrusion inside the preceding operatic tunes Protrusion 41, protrusion 41 can play the role of operatic tunes volume before reducing, pass through under the premise of not changing original earphone shape The volume of the operatic tunes makes the high-frequency resonant point of earphone frequency response curve be in ideal interval before reducing, to improve the high frequency audio of earphone Matter.

The further protrusion 41 of present embodiment and inner cover 4 are integrally formed, specifically, as shown in Figure 1, the side of inner cover 4 Operatic tunes inside bend relief forms protrusion 41 to wall forward.

The earphone of the utility model corresponding be provided on front housing 1 and inner cover 4 lets out acoustic aperture 5, and resistance is covered on letting out acoustic aperture 5 Buddhist nun's screen cloth 6, and screen cloth 6 is damped between front housing 1 and inner cover 4, further, damping screen cloth 6, which combines, is fixed on inner cover 4 Outer surface.Let out inner and outer air pressure of the acoustic aperture 5 for the operatic tunes before balancing, prevent vibrating diaphragm caused by inner and outer air pressure unevenness vibrating diaphragm bulging or Recess.Damping screen cloth 6 can also prevent extraneous dust or foreign matter from entering in the preceding operatic tunes, influence the acoustic efficiency of earphone.

In addition, in the embodiments of the present invention, acoustic aperture 7 is provided with out front housing 1 and inner cover 4 are corresponding, is spoken Hole 7 is connected for the preceding operatic tunes with the external world, outwardly sends sound.Screen cloth 8 can be also set on going out acoustic aperture 7, it is outer for avoiding The dust or particle on boundary enter inside the preceding operatic tunes, influence the acoustical behavior of earphone.

Embodiment 2：

As shown in Fig. 2, the present embodiment difference from Example 1 is that the side wall of inner cover 4 is thickeied towards inside the preceding operatic tunes Protrusion 41 is convexed to form, the volume of the operatic tunes before reducing is realized, improves the high frequency sound quality of earphone.

Embodiment 3：

As shown in figure 3, the present embodiment difference from example 1 is that, protrusion 41 is fixedly connected on the interior of inner cover 4 Side surface realizes the volume of the operatic tunes before reducing, improves the high frequency sound quality of earphone.

Embodiment 4：

As shown in figure 4, the present embodiment and embodiment 3 the difference is that, protrusion 41 is set as thin wall type structure, convex Go out between portion 41 and inner cover 4 and surround cavity, realizes the volume of the operatic tunes before reducing, improve the high frequency sound quality of earphone.

Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and It is not the restriction to the embodiment of the utility model, for those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here, It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model The row of protection domain.

Claims (9)

1. a kind of earphone, which is characterized in that including forming the shell of accommodation space and being contained in raising one's voice in the accommodation space Accommodation space is separated into the preceding operatic tunes and the rear operatic tunes, the case inside table at the preceding operatic tunes by device monomer, the loudspeaker monomer Face combines and is fixed with inner cover, and the loudspeaker monomer is fixedly connected by inner cover with the shell, and the inner cover is provided with forward Operatic tunes internal protrusion is to reduce the protrusion of preceding operatic tunes volume.

2. earphone according to claim 1, which is characterized in that the protrusion is set as integrally formed with inner cover side wall.

3. earphone according to claim 2, which is characterized in that operatic tunes internal bend convexes to form the inner cover side wall forward Protrusion.

4. earphone according to claim 2, which is characterized in that the inner cover side wall thickening convexes to form protrusion.

5. earphone according to claim 1, which is characterized in that the protrusion is in conjunction with the inside table for being fixed on the inner cover Face.

6. earphone according to claim 5, which is characterized in that the protrusion is set as thin wall type structure, and with it is described Inner cover surrounds cavity.

7. earphone according to claim 1, which is characterized in that the shell includes the front housing and rear shell of secure bond, institute Inner cover is stated in conjunction with the inner surface for being fixed on the front housing, the loudspeaker monomer is fixedly connected by inner cover with the front housing.

8. earphone according to claim 7, which is characterized in that the front housing and it is interior cover corresponding section and be provided with let out sound Hole, described let out are covered with damping screen cloth in acoustic aperture.

9. earphone according to claim 8, which is characterized in that damping screen cloth setting the front housing and inner cover it Between, and in conjunction with the outer surface for being fixed on the inner cover.