CN214429691U

CN214429691U - Earphone structure for reducing sound conduction loss

Info

Publication number: CN214429691U
Application number: CN202120841989.4U
Authority: CN
Inventors: 黄计旺
Original assignee: Dongguan Meidang Electronic Co ltd
Current assignee: Dongguan Meidang Electronic Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-19
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to an earphone structure for reducing sound conduction loss, which comprises an earphone shell and a loudspeaker unit, wherein the earphone shell is provided with a sound outlet and a front cavity communicated with the sound outlet, the loudspeaker unit is assembled on the earphone shell, the sound production end of the loudspeaker unit faces the front cavity, a fence type sound guide structure is arranged between the sound production end of the loudspeaker unit and the front cavity, and the sound guide structure is used for respectively collecting the sound produced by the central point and the periphery of the loudspeaker unit and then is gathered on the sound outlet through the front cavity; the utility model discloses the realization separates the central point and the outlying sound of loudspeaker unit to effectively derive sound, in order to reduce sound and because interference reflection etc. cause the loss in transmission process, greatly promote the earphone efficiency, fix a position more accurately, the level is more clear, and the vocal concretion is more clear, gives the better sense of hearing of user and experiences.

Description

Earphone structure for reducing sound conduction loss

Technical Field

The utility model belongs to the technical field of the earphone technique and specifically relates to earplug formula earphone is related to.

Background

Earphones are classified into a flat type, an ear-hook type, an ear-plug type, and a head-mount type. The earplug type earphone in the prior art generally comprises a shell, a speaker unit is arranged in the shell, a sound outlet for inserting into an ear is protruded at the front end of the shell, and an ear pad is sleeved on the periphery of the sound outlet. When the loudspeaker unit works, sound is emitted by the loudspeaker unit and is output through the sound outlet of the shell; however, in practical use, the front cavity connected with the sound outlet in the shell is in a smooth and spacious form, so that the sound emitted by the speaker unit has interference reflection and the like to cause loss, the sound is poor in reality degree and not clear, and the high-quality music effect is difficult to realize.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide an automatic change consumptive material device, mechanical feeding replaces manual work, and the reloading is fast and stable, reduces intensity of labour.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

reduce sound conduction loss's headphone structure, including headphone housing and loudspeaker unit, be equipped with sound outlet and the ante-chamber that feeds through sound outlet on the headphone housing, loudspeaker unit package is on headphone housing and loudspeaker unit's sound production end orientation ante-chamber loudspeaker unit's sound production end and ante-chamber between set up the sound guide structure of fence formula, this sound guide structure is used for collecting the sound that loudspeaker unit's central point and periphery sent respectively, the chamber assembles on sound outlet before the rethread.

The earphone shell is provided with a bearing ring platform, the bearing ring platform is used for attaching, positioning and assembling the loudspeaker unit, and the center of the loudspeaker unit and the sound outlet are arranged in a staggered manner; the sound guide structure is composed of a plurality of ribs arranged in parallel at intervals, two ends of each rib are connected with the bearing ring platform into a whole, the ribs are transversely arranged at the sound production ends of the horn units, and sound guide surfaces are formed on two side surfaces of each rib.

The technical scheme is that a bearing ring platform is arranged on the earphone shell and used for attaching, positioning and assembling the loudspeaker unit, a front protecting cover is arranged at the assembling end of the loudspeaker unit, and the center of the loudspeaker unit and the sound outlet are arranged in a staggered mode; the sound guide structure is composed of a plurality of ribs arranged in parallel at intervals, the ribs are connected with the front protecting cover of the loudspeaker unit into a whole, the ribs are transversely arranged at the sound production end of the loudspeaker unit, and the two side surfaces of the ribs form a sound guide surface.

In the above solution, the sound guiding surface of the rib of the sound guiding structure is a vertical surface that is vertically downward relative to the transverse direction of the rib.

In the above solution, the sound guiding surface of the rib of the sound guiding structure is an inclined surface which is inclined downwards relative to the transverse direction of the rib, and the sound guiding surface is inclined towards the sound outlet.

The utility model discloses the sound conduction structure of setting up the fence formula between the sound production end of loudspeaker unit and the ante-chamber, this sound conduction structure is used for collecting the central point of loudspeaker unit and the sound that the periphery sent respectively, the rethread ante-chamber assembles on the sound outlet, thereby make the central point of loudspeaker unit separate with peripheral sound, and effectively derive sound, because interference reflection etc. causes the loss in the transmission course with reducing sound, greatly promote the earphone efficiency, the location is more accurate, the level is more clear, the human sound is liked more clearly, give the better sense of hearing of user and experience.

Description of the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of another embodiment of the earphone housing of the present invention;

fig. 3 is a schematic structural diagram of another embodiment of the horn unit of the present invention.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, which are drawings of a preferred embodiment of the present invention, the present invention relates to an earphone structure for reducing sound conduction loss, which includes an earphone housing 1 and a speaker unit 2, wherein the speaker unit 2 is implemented to emit high, middle and low audio frequencies. Be equipped with sound outlet 11 and the preceding chamber 12 that communicates sound outlet 11 on earphone shell 1, loudspeaker unit 2 assembles on earphone shell 1 and loudspeaker unit 2's sound production end towards preceding chamber 12 simultaneously loudspeaker unit 2's sound production end and preceding chamber 12 between set up the sound guide structure 3 of fence formula, this sound guide structure 3 is used for collecting loudspeaker unit 2's central point and peripheral sound of sending respectively, and the rethread preceding chamber 12 assembles on sound outlet 11. Therefore, the center point of the loudspeaker unit is separated from peripheral sound, the sound is effectively guided out, loss caused by interference reflection and the like in the transmission process of the sound is reduced, the earphone effect is greatly improved, the sound is effectively guided, the sound conduction loss is reduced, and the sound definition is improved.

Referring to fig. 1 and 2, in this embodiment, a bearing ring platform 13 is disposed on the earphone housing 1, the bearing ring platform 13 is used for attaching, positioning and assembling the speaker unit 2, and the center of the speaker unit 2 and the sound outlet 11 are arranged in a staggered manner; leading sound structure 3 comprises the rib of many parallel interval arrangements, and the both ends of rib link into an integrated entity with bearing ring platform 13, realize that the rib is violently established at loudspeaker unit 2's vocal end, and the both sides face of rib forms leading sound face 31, and leading sound face 31 extends towards front cavity 12, increases the guide sound, and the rib has the separation effect. In the embodiment shown in the figure, the top surfaces of the ribs are flush with the table surface of the bearing ring table 13 and are obtained by integral processing, and the horn unit 2 is attached and positioned on the bearing ring table 13 and is abutted with the sound guide structure 3, so that the sound guide structure is beneficial to guiding sound and reducing sound conduction loss.

Referring to fig. 3, the utility model discloses can also be, loudspeaker unit 2's equipment end is equipped with preceding protecting cover 21, leading sound structure 3 comprises many parallel interval arrangement's rib, and the rib links into an integrated entity with loudspeaker unit 2's preceding protecting cover 21, realizes that the rib is violently established at loudspeaker unit 2's sound production end, and the both sides face of rib forms leading sound face 31, and leading sound face 31 extends towards forward cavity 12, increases the guide sound, and the rib has the separation effect. This sound guide structure 3 can be that front protecting cover 21 grooving fretwork is obtained, can also overhanging cover form, and concrete form selects according to actual need, and the same sound that can send loudspeaker unit 2 is better to be guided, reduces sound conduction loss.

Referring to fig. 1, 2 and 3, in the embodiment, the sound guide structure 3 is similar to a louver, and has a simple structure, convenient manufacture and low investment cost; the sound guiding surface 31 on the rib may be a vertical surface vertically downward relative to the transverse direction of the rib, or may be an inclined surface inclined downward relative to the transverse direction of the rib, and the sound guiding surface 31 is inclined toward the sound outlet 11. These structural forms can guide the sound emitted by the horn unit 2 better, and reduce the sound conduction loss.

Referring to fig. 1 and 2, in the embodiment, the earphone housing 1 is further provided with a tuning hole 14, the front cavity 12 is communicated with the outside through the tuning hole 14, and the tuning hole 14 is relatively far away from the sound outlet 11, so that better tuning is achieved, and the use effect of the earphone is further improved by matching with the effect of the sound guide structure 3.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. Reduce sound conduction loss's earphone structure, including earphone shell (1) and loudspeaker unit (2), be equipped with sound outlet (11) and communicate preceding chamber (12) of sound outlet (11) on earphone shell (1), loudspeaker unit (2) assemble on earphone shell (1) and the sound production end of loudspeaker unit (2) is towards preceding chamber (12), its characterized in that: set up fence formula sound guide structure (3) between the sound production end of loudspeaker unit (2) and front chamber (12), this sound guide structure (3) are used for collecting the sound that central point and periphery of loudspeaker unit (2) were sent respectively, on sound outlet (11) is assembled in rethread front chamber (12).

2. The earphone structure for reducing conduction loss of sound according to claim 1, wherein: the earphone shell (1) is provided with a bearing ring platform (13), the bearing ring platform (13) is used for attaching, positioning and assembling the loudspeaker unit (2), and the center of the loudspeaker unit (2) and the sound outlet (11) are arranged in a staggered mode; the sound guide structure (3) is composed of a plurality of ribs arranged in parallel at intervals, two ends of each rib are connected with the bearing ring platform (13) into a whole, the ribs are transversely arranged at the sound production ends of the horn units (2), and sound guide surfaces (31) are formed on two side surfaces of each rib.

3. The earphone structure for reducing conduction loss of sound according to claim 1, wherein: the earphone comprises an earphone shell (1), and is characterized in that a bearing ring platform (13) is arranged on the earphone shell (1), the bearing ring platform (13) is used for attaching, positioning and assembling a horn unit (2), a front protective cover (21) is arranged at the assembling end of the horn unit (2), and the center of the horn unit (2) and a sound outlet (11) are arranged in a staggered mode; leading sound structure (3) comprises the rib of many parallel interval arrangements, and the rib links into an integrated entity with preceding protecting cover (21) of loudspeaker unit (2), realizes that the rib is violently established at the vocal end of loudspeaker unit (2), and the both sides face of rib forms leading sound face (31).

4. A sound conduction loss reducing earphone structure according to claim 2 or 3, wherein: the sound guide surfaces (31) of the ribs of the sound guide structure (3) are vertical surfaces which are vertically downward relative to the transverse arrangement direction of the ribs.

5. A sound conduction loss reducing earphone structure according to claim 2 or 3, wherein: the sound guide surfaces (31) of the ribs of the sound guide structure (3) are inclined surfaces which are inclined downwards relative to the transverse direction of the ribs, and the sound guide surfaces (31) are inclined to the sound outlet (11).