CN205946088U - Cotton earphone of rearmounted compression bubble - Google Patents

Abstract

The utility model discloses a cotton earphone of rearmounted compression bubble, which comprises an outer shell, the shell includes preceding shell and backshell that the lock is in the same place, be provided with the speaker monomer in the shell, the speaker monomer is connected with the audio signal line, it is cotton to be provided with the compression bubble in the backshell, the compression bubble is cotton to be set up speaker monomer rear, it is right in the backshell speaker monomer location prevents the speaker monomer is shifted by the pulling of audio signal line. The utility model discloses an it is cotton to set up the compression bubble behind the earphone in the operatic tunes, both can play the effect that promotes earphone low frequency performance, plays the fixing a voice coil effect of signal line frequently again simultaneously.

Description

A kind of earphone of rearmounted compression foam

Technical field

This utility model is related to a kind of earphone of rearmounted compression foam and in particular to the low frequency lifting structure of earphone and audio frequency The fixed structure of holding wire.

Background technology

Earphone in the market, in order to lift acoustical quality, generally focuses on the low-frequency effect of lifting earphone.

Such as Chinese utility model patent (application number：201310376614.5) in disclose a kind of earphone, including raising one's voice Device monomer, the audio signal wire electrically connecting with loudspeaker monomer, and house the auxiliary of fixing loudspeaker monomer and audio signal wire Help structure；This supplementary structure includes protecgulum and shell；Space between protecgulum and loudspeaker monomer forms the front operatic tunes, shell with raise Space between sound device monomer forms the rear operatic tunes.

On the medial wall of shell, the side near loudspeaker monomer is provided with the acoustic conducting pipe that can strengthen earphone low frequency performance, acoustic conductance Pipe extends in wire；Acoustic conducting pipe is the structure of one end open, including an open end and a blind end, open end and the rear operatic tunes Connection, on acoustic conducting pipe diapire, the side near blind end is provided with some through holes, and through hole connects the side wall of shell, the gas in acoustic conducting pipe Stream is in communication with the outside by through hole.

Acoustic conducting pipe includes leading sound track and closing cap, is that integrated injection molding is formed due to leading sound track and back cover, causes back cover Structure is extremely complex, and injection mold manufacture difficulty improves.

Also for example in Chinese utility model patent (application number：201410453417.3) in disclose a kind of earphone, including Loudspeaker monomer, the audio signal wire electrically connecting with loudspeaker monomer, the shell of storage loudspeaker monomer, and it is laid on shell On protecgulum；Space between protecgulum and loudspeaker monomer forms the front operatic tunes, and the space between shell and loudspeaker monomer is formed The operatic tunes afterwards.

Afterwards the operatic tunes by partition separate based on back cavity and bass back cavity, several through holes are had on partition, for connecting bass Back cavity and main back cavity；Main back cavity receives loudspeaker monomer, and its cavity wall has the sound regulating hole being in communication with the outside；Outside bass back cavity Shell the position away from loudspeaker monomer have be in communication with the outside rush down acoustic aperture；Lay acoustic conducting pipe in the cavity of bass back cavity, Acoustic conducting pipe one end is connected with main back cavity by the through hole of partition, and the other end rushes down acoustic aperture and company of the external world on chamber enclosure after passing through bass Logical.

Acoustic conducting pipe, by leading sound track and lining lid surrounds jointly, is led sound track and is arranged on the medial wall of cavity main body after bass, and low Cavity main body integrated injection molding after sound.It is that integrated injection molding is formed due to leading sound track and shell, cause the structure of shell very multiple Miscellaneous, injection mold manufacture difficulty improves.

In order to fix the audio signal wire entering within earphone case in prior art, prevent audio signal wire from pulling Audio signal wire is generally tied a knot by loudspeaker monomer, and arranges the cooperation of some muscle positions on back cover, stops audio frequency letter using knot Number line is pulled, but knot volume is larger, takies earphone case inner space it has not been convenient to enter one to earphone case inner space Step develops, for example, arrange acoustic conducting pipe again and improve low-frequency effect.Also have using beating terminal fixed-audio signal at earphone handle The method of line, but the method implementing to make terminal needs for earphone handle to make dismantled and assembled score of formal similarity, to the housing after combination Appearance requirement is neat, smooth, which increases injection mold manufacture difficulty.

Utility model content

For the problems referred to above of the prior art, the purpose of this utility model is to provide a kind of ear of rearmounted compression foam Machine, in the operatic tunes after earphone, setting compression foam, both can play the effect of lifting earphone low frequency performance, simultaneously work as again The effect of fixed-audio holding wire.

To achieve these goals, this utility model employs the following technical solutions：

A kind of earphone of rearmounted compression foam, including shell, described shell includes the fore shell snapping together and back cover, institute State and in shell, be provided with loudspeaker monomer, loudspeaker monomer is connected with audio signal wire, in described back cover, be provided with compression foam, Described compression foam is arranged on described loudspeaker monomer rear, in back cover, described loudspeaker monomer is positioned, raises described in prevention Sound device monomer is pulled displacement by audio signal wire.

Further, the external shape of described compression foam is adapted to described back cover cavity shape, and middle setting has axial Through wires hole, extends there through for audio signal wire.

Further, described compression foam front end setting is fluted, the shape adaptation of described groove and described loudspeaker monomer.

Further, described back cover inwall is smooth surface.

Further, described compression foam adopts PSR or YH35 type.

Further, during described compression foam compression molding, form described external shape, groove and through wires hole simultaneously.

Earphone using said structure setting has advantages below：

This utility model fills in compression foam in the cavity of earphone back cover, and foam material can be the types such as PSR, YH35 Foam, due to compression foam be loose structure, be equivalent to the back cavity expanding earphone it is therefore intended that lifting earphone sense of hearing in Spatial impression, low-frequency range will not be dull.Earphone back cover inwall does not need to arrange complex-shaped acoustic conducting pipe again, simplifies earphone back cover Structure.

Compression foam set by this utility model, because compression foam has the fixing shape of comparison, simultaneously works as solid The effect of audio signal line is it is not necessary to tiing a knot to audio signal wire or beat terminal, earphone back cover inwall not needing to arrange again Fixing muscle, simplifies earphone back cover structure.

Brief description

Fig. 1 is the structural representation of earphone in prior art；

Fig. 2 is the structural representation of earphone in this utility model.

In figure：1. audio signal wire；2. loudspeaker monomer；3. back cover；4. fore shell；5. earphone handle；5-1. fixing muscle；6. press Contracting foam.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and be embodied as Example is described in detail to this utility model.

It is illustrated in figure 2 one of this utility model embodiment, in this embodiment, a kind of earphone of rearmounted compression foam, Including shell, shell includes the fore shell 4 snapping together and back cover 3, is provided with loudspeaker monomer 2, loudspeaker monomer 2 in shell It is connected with audio signal wire 1.

As shown in Fig. 2 being provided with compression foam 6 in back cover 3, compression foam 6 is arranged on loudspeaker monomer 2 rear, rear In shell 3, loudspeaker monomer 2 is positioned, stop loudspeaker monomer 2 from being pulled displacement by audio signal wire 1.

The external shape of compression foam 6 is adapted to back cover 3 cavity shape, and middle setting has axial through wires hole, for audio frequency Holding wire 1 extends there through, and now audio signal wire 1 does not need to tie a knot shown in Fig. 1 for another example.

The setting of compression foam 6 front end is fluted, the shape adaptation of this groove and loudspeaker monomer 2.This groove can allow pressure Contracting foam 6 and loudspeaker monomer 2 combine.

Due to being provided with compression foam 6, both can play the effect of lifting earphone low frequency performance, simultaneously work as stationary tone again The effect of frequency holding wire 1, thus back cover 3 inwall be smooth surface it is not necessary to complex-shaped acoustic conducting pipe is set again it is not required that Fixing muscle 5-1 shown in Fig. 1 is set again.

Compression foam 6 adopts PSR or YH35 type.

During compression foam 6 compression molding, form external shape, groove and through wires hole simultaneously.

The foregoing is only embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All Any modification, equivalent substitution and improvement made within spirit of the present utility model and principle, extension etc., are all contained in this reality With in new protection domain.

Claims (7)

1. a kind of earphone of rearmounted compression foam, including shell, described shell includes the fore shell snapping together and back cover, described It is provided with loudspeaker monomer, loudspeaker monomer is connected with audio signal wire it is characterised in that being provided with described back cover in shell Compression foam, described compression foam is arranged on described loudspeaker monomer rear, in back cover, described loudspeaker monomer is positioned, resistance Only described loudspeaker monomer is pulled displacement by audio signal wire.

2. earphone according to claim 1 is it is characterised in that the external shape of described compression foam and described back cover inner chamber Shape adaptation, middle setting has axial through wires hole, extends there through for audio signal wire.

3. earphone according to claim 1 is it is characterised in that described compression foam front end arranges fluted, described groove Shape adaptation with described loudspeaker monomer.

4. earphone according to claim 1 is it is characterised in that described back cover inwall is smooth surface.

5. earphone according to claim 1 is it is characterised in that described compression foam adopts PSR or YH35 type.

6. earphone according to claim 2 is it is characterised in that during described compression foam compression molding, form described simultaneously External shape and through wires hole.

7. earphone according to claim 3 is it is characterised in that during described compression foam compression molding, form described simultaneously Groove.