CN218570434U

CN218570434U - Earphone set

Info

Publication number: CN218570434U
Application number: CN202222945968.4U
Authority: CN
Inventors: 冯为; 严扩雄
Original assignee: Huaqin Technology Co Ltd
Current assignee: Huaqin Technology Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-03
Anticipated expiration: 2032-11-04

Abstract

The utility model provides an earphone, which comprises a first shell, a second shell, a battery and a loudspeaker; the second shell and the first shell are spliced to enclose a first cavity, and a mounting surface is formed on the inner surface of the second shell; the battery is positioned in the first cavity and is arranged on the mounting surface; the loudspeaker is located in the first chamber, the loudspeaker is located on one side, close to the first shell, of the battery, and a gap is reserved between the loudspeaker and the battery. The utility model discloses a set up the installation face of installation battery on the second casing, with battery direct mount on the second casing, through first casing, the second casing, the speaker encloses and establishes into back vocal chamber and preceding vocal chamber, the stability of structure is improved, the requirement of gas tightness has been ensured, and then make the preceding vocal chamber and the back vocal chamber that form have volumetric stability, when guaranteeing batch production preceding vocal chamber and the volumetric uniformity of back vocal chamber, thereby the problem that causes earphone sealed effect and uniformity harmfulness because of the stability problem of vocal chamber structure assembly has been solved.

Description

Earphone set

Technical Field

The embodiment of the utility model provides a relate to electronic equipment technical field, in particular to earphone.

Background

Referring to fig. 1, a middle case 4a of a conventional earphone is provided with an internal support 5a, a battery 3a is mounted on the internal support 5a, and the internal support 5a, the middle case 4a, a speaker 7a and a front case 8a enclose to form a rear sound cavity 6a. Because an internal support 5a needs to be added and the internal support 5a needs to be fixed in a dispensing sealing manner, the problem that the sealing effect and consistency cannot be guaranteed in the batch production of the earphones exists.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model aims at providing an earphone aims at solving current earphone and exists the problem that causes sealed effect of earphone and uniformity harmfully because of the stability problem of sound cavity structure assembly.

In order to solve the above technical problem, an embodiment of the present invention provides an earphone, including:

a first housing;

the second shell is spliced with the first shell to enclose a first cavity, and an installation surface is formed on the inner surface of the second shell;

a battery located in the first cavity, the battery mounted on the mounting surface;

the loudspeaker is positioned in the first cavity and positioned on one side, close to the first shell, of the battery, and a gap is reserved between the loudspeaker and the battery.

The utility model discloses a set up the installation face of installation battery on the second casing, with battery direct mount on the second casing, the built-in support has been saved, through first casing, the second casing, the speaker encloses and establishes into back vocal chamber and preceding vocal chamber, the stability of structure is improved, the requirement of gas tightness has been ensured, and then make the preceding vocal chamber and the back vocal chamber that form have the volumetric stability, before when ensureing batch production, the volumetric uniformity of preceding vocal chamber and back vocal chamber, thereby the problem that the stability problem because of the assembly of vocal chamber structure causes sealed effect of earphone and uniformity harmfulness has been solved.

Preferably, in the earphone, the mounting surface is disposed facing the speaker, and one end of the battery, which is far away from the speaker, is mounted on the mounting surface.

Preferably, in the earphone, a boss is convexly arranged on the inner surface of one end of the second shell far away from the first shell, and the table surface of the boss forms the mounting surface.

Preferably, in the earphone, a groove is provided on an outer surface of one end of the second housing far away from the first housing, corresponding to the boss.

Preferably, in the earphone, the second housing is provided with a second receiving groove, and the boss is provided on an inner surface of a groove bottom wall of the second receiving groove.

Preferably, in the earphone, the speaker is adhesively fixed to an inner surface of the first chamber.

Preferably, in the earphone, the battery is adhesively fixed to the mounting surface.

Preferably, in the earphone, the speaker is mounted on the first housing.

Preferably, in the earphone, the first housing is provided with a first accommodating groove, one end of the speaker far away from the battery is located in the first accommodating groove, an annular limiting surface facing the speaker is arranged on the inner surface of the groove side wall of the first accommodating groove, the annular limiting surface is located on one side of the speaker far away from the battery, and the annular limiting surface is connected with the speaker.

Preferably, in the earphone, the earphone further includes a third housing and a circuit board, the third housing and one end of the second housing far from the first housing are spliced to enclose a second cavity, and the circuit board is located in the second cavity.

Preferably, in the earphone, the circuit board is mounted on the third housing.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a cross-sectional view of a prior art headset;

fig. 2 is a cross-sectional view of an earphone according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the second housing in fig. 2.

Description of the prior art reference numbers:

the utility model discloses the drawing reference number explains:

reference numerals	Name(s)	Reference numerals	Name (R)
				100	Earphone set	25	Rear vent hole
1	First shell	26	Reinforcing rib
				11	First holding tank	3	The first chamberChamber
12	Annular spacing surface	31	Front acoustic cavity
				13	Sound outlet hole	32	Rear acoustic chamber
14	Front vent hole	4	Battery with a battery cell
				15	Spacing rib	5	Loudspeaker
2	Second shell	6	Third casing
				21	Mounting surface	61	Third holding tank
22	Boss	7	Circuit board
				23	Groove	8	Second chamber
24	Second holding tank

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an earphone, this earphone can be TWS (true wireless stereo) earphone etc. will be used the earphone to be the TWS earphone to introduce as the example below, and fig. 2 and 3 show the utility model provides a preferred embodiment of earphone. Referring to fig. 2, in the present embodiment, the earphone 100 includes a first casing 1, a second casing 2, a battery 4 and a speaker 5.

Referring to fig. 2 and 3, the second housing 2 is assembled with the first housing 1 to form a first chamber 3, and a mounting surface 21 is formed on an inner surface of the second housing 2.

Specifically, the following defines the splicing direction of the first casing 1 and the second casing 2 as the front-back direction, and the first casing 1 is located at the front side of the second casing 2. The rear end of first casing 1 and the front end concatenation of second casing 2, at least one in the rear end of first casing 1 and the front end of second casing 2 can be provided with the holding tank for first casing 1 and the second casing 2 of concatenation mutually can enclose to close and form closed first cavity 3.

Optionally, referring to fig. 2, in this embodiment, the first housing 1 is provided with a first receiving groove 11, the second housing 2 is provided with a second receiving groove 24, and the first receiving groove 11 and the second receiving groove 24 form the first chamber 3.

Specifically, the holding tank includes the groove lateral wall that encloses and closes the formation notch and the groove diapire of keeping away from the notch, and the rear end of first casing 1 is provided with the first holding tank 11 that the notch is towards the back, and the front end of second casing 2 is provided with notch second holding tank 24 towards the front. The groove side wall of the first accommodating groove 11 at the notch is butted with the groove side wall of the second accommodating groove 24 at the notch, so that the first accommodating groove 11 and the second accommodating groove 24 form a closed first chamber 3.

The specific fixing manner of the groove side wall of the first receiving groove 11 and the groove side wall of the second receiving groove 24 may not be limited, for example, the groove side wall of the first receiving groove 11 and the groove side wall of the second receiving groove 24 are fixedly connected by bonding, providing a snap connection structure, and the like. Alternatively, in the present embodiment, a snap connection structure (not shown in the drawings) is provided between the groove side wall of the first receiving groove 11 and the second receiving groove 24, and the groove side wall of the first receiving groove 11 and the second receiving groove 24 are further fixed by bonding with glue.

The inner surface of the second housing 2 is formed with a mounting surface 21, that is, the inner surface of the second receiving groove 24 is formed with the mounting surface 21, and the inner surface of the groove side wall of the second receiving groove 24 may be formed with the mounting surface 21; the second accommodation groove 24 may have the mounting surface 21 formed on the inner surface of the groove bottom wall. Optionally, referring to fig. 2 and fig. 3, in the present embodiment, a mounting surface 21 is formed on an inner surface of the bottom wall of the second receiving groove 24.

Referring to fig. 2, the battery 4 is located in the first chamber 3, and the battery 4 is mounted on the mounting surface 21.

Specifically, the battery 4 is mounted on the second housing 2, the rear end of the battery 4 is located in the second receiving groove 24, and the rear end of the battery 4 is fixedly connected to the mounting surface 21. The fixing manner of the battery 4 to the mounting surface 21 is not particularly limited, and for example, the battery 4 is usually fixed to the mounting surface 21 by adhesion.

Mounting surface 21 is generally planar and the portion of battery 4 that is connected to mounting surface 21 is generally planar, for example, referring to fig. 2 and 3, in this embodiment, battery 4 is a button cell, and the end surface of battery 4 is fixedly connected to mounting surface 21, so that battery 4 can be flatly fixed to mounting surface 21 when battery 4 is fixed.

The battery 4 is located in the first chamber 3, and the battery 4 partitions the first chamber 3 into a front chamber (not shown in the drawings) and a rear chamber (not shown in the drawings), the front chamber being located on the front side of the rear chamber. For example, referring to fig. 2, in the present embodiment, the front end of the second receiving groove 24 and the first receiving groove 11 form a front chamber, and the rear end of the second receiving groove 24 forms a rear chamber.

Referring to fig. 2, the speaker 5 is located in the first chamber 3, the speaker 5 is located on a side of the battery 4 close to the first housing 1, and a gap is reserved between the speaker 5 and the battery 4.

Specifically, the speaker 5 is located in the first chamber 3, and the speaker 5 may be attached to the first casing 1 or the speaker 5 may be attached to the second casing 2. Optionally, referring to fig. 2, in the present embodiment, the speaker 5 is mounted on the first casing 1. When the earphone 100 is assembled, the speaker 5 and the battery 4 may be assembled on the first casing 1 and the second casing 2, respectively, and then the first casing 1 and the second casing 2 may be assembled together, which makes the assembly of the earphone 100 easier.

The fixing manner of the speaker 5 in the first chamber 3 is not particularly limited, and for example, the speaker 5 is usually fixed on the inner surface of the first chamber 3 by means of adhesive fixing, snap fixing, etc. Optionally, referring to fig. 2, in the present embodiment, the first housing 1 is provided with a first receiving groove 11, one end of the speaker 5 away from the battery 4 is located in the first receiving groove 11, an annular limiting surface 12 facing the speaker 5 is disposed on an inner surface of a groove side wall of the first receiving groove 11, the annular limiting surface 12 is located on one side of the speaker 5 away from the battery 4, and the annular limiting surface 12 is connected to the speaker 5.

Specifically, the front end of the speaker 5 is located in the first accommodating groove 11, and a step structure is provided on the inner surface of the groove side wall of the first accommodating groove 11, so that an annular limiting surface 12 is formed on the inner surface of the groove side wall of the first accommodating groove 11, the annular limiting surface 12 is located on the front side of the speaker 5, and the annular limiting surface 12 abuts against the front end of the speaker 5 in the front-back direction, so that the mounting and positioning of the speaker 5 in the first accommodating groove 11 are realized. Moreover, the annular limiting surface 12 can also be used as a dispensing surface, and the loudspeaker 5 can be adhered and fixed by dispensing on the annular limiting surface 12.

Further, referring to fig. 2, in the present embodiment, a limiting rib 15 extending along the circumferential direction of the speaker 5 is convexly provided on the inner surface of the groove side wall of the first accommodating groove 11, the limiting rib 15 is located outside the speaker 5, the limiting rib 15 abuts against the speaker 5, and the limiting rib 15 can limit the abutment of the speaker 5.

The speaker 5 is located in the front chamber, and the speaker 5 divides the front chamber into a front sound chamber 31 and a rear sound chamber 32, the front sound chamber 31 being located on the front side of the rear sound chamber 32. For example, referring to fig. 2, in the present embodiment, the front end of the first casing 1 and the speaker 5 are enclosed to form a front sound cavity 31, and the rear end of the first casing 1, the front end of the second casing 2, the battery 4 and the speaker 5 are enclosed to form a rear sound cavity 32. Therefore, a built-in support is omitted, the rear sound cavity 32 and the front sound cavity 31 are formed by enclosing the first shell 1, the second shell 2, the battery 4 and the loudspeaker 5, the structural stability is improved, the requirement of air tightness is ensured, the formed front sound cavity 31 and the formed rear sound cavity 32 have volume stability, and the consistency of the volumes of the front sound cavity 31 and the rear sound cavity 32 is ensured during batch production.

Optionally, referring to fig. 2, in the present embodiment, one end of the first casing 1 away from the second casing 2 is provided with a sound outlet 13, the front end of the first casing 1 is provided with a sound outlet 13 communicated with the front sound cavity 31, and the sound outlet 13 is located at the front side of the battery 4.

Optionally, referring to fig. 2, in the present embodiment, a front drain hole 14 is disposed at an end of the first casing 1 away from the second casing 2.

Optionally, referring to fig. 2, in the present embodiment, a back drain hole 25 is disposed at an end of the second casing 2 away from the first casing 1.

Specifically speaking, the front end of first casing 1 is provided with the preceding discharge hole 14 of the preceding sound chamber 31 of intercommunication, and the rear end of second casing 2 is provided with the back discharge hole 25 of the chamber behind the intercommunication, and preceding discharge hole 14 and back discharge hole 25 can let the air flow in first chamber 3, prevent that pressure from piling up, cause the tone quality change, and discharge hole 14 and back discharge hole 25 also can let earphone 100 send better tone quality and bass effect before setting up.

The utility model discloses a set up installation face 21 of installation battery 4 on second casing 2, with battery 4 direct mount on second casing 2, the inner support has been saved, through first casing 1, second casing 2, speaker 5 encloses to establish into back vocal chamber 32 and preceding vocal chamber 31, the stability of structure has been improved, the requirement of gas tightness has been ensured, and then make the preceding vocal chamber 31 and the back vocal chamber 32 that form have the volumetric stability, preceding vocal chamber 31 and the volumetric uniformity in back vocal chamber 32 when ensureing batch production, thereby the problem of the stability problem because of the assembly of vocal chamber structure causes earphone sealed effect and uniformity is bad has been solved.

Optionally, referring to fig. 2, in the present embodiment, the mounting surface 21 is disposed toward the speaker 5, and an end of the battery 4 away from the speaker 5 is mounted on the mounting surface 21.

Specifically, the mounting surface 21 is perpendicular or approximately perpendicular to the center axis of the speaker 5, so that the mounting surface 21 is parallel or approximately parallel to the speaker 5. The rear end face of the battery 4 is mounted on the mounting surface 21 so that the battery 4 is parallel or approximately parallel to the speaker 5, which is beneficial to ensuring the consistency of the gap between the battery 4 and the speaker 5 and thus the consistency of the volume of the rear sound cavity 32.

Optionally, referring to fig. 2 and fig. 3, in the present embodiment, a boss 22 is convexly provided on an inner surface of one end of the second housing 2 away from the first housing 1, and a table surface of the boss 22 forms the mounting surface 21.

Specifically, the boss 22 is provided on the inner surface of the rear end of the second enclosure 2, and the mounting surface 21 is formed by the boss 22, which facilitates control of the orientation of the mounting surface 21, thereby facilitating adjustment of the orientation of the mounting surface 21 in accordance with the actual mounting position of the speaker 5.

The protrusion 22 may be a groove side wall or a groove bottom wall disposed on the second receiving groove 24, and optionally, referring to fig. 2 and 3, in the present embodiment, the second receiving groove 24 is disposed on the second housing 2, and the protrusion 22 is disposed on an inner surface of the groove bottom wall of the second receiving groove 24. For example, in the present embodiment, the boss 22 is provided at the junction of the groove bottom wall and the groove side wall of the second accommodation groove 24.

Further, referring to fig. 3, in the present embodiment, a reinforcing rib 26 is convexly disposed on an inner surface of the groove bottom wall of the second accommodating groove 24, the reinforcing rib 26 connects the groove side wall of the second accommodating groove 24 with the boss 22, the reinforcing rib 26 abuts against the battery 4, and the reinforcing rib 26 can support the battery 4.

Optionally, referring to fig. 2 and fig. 3, in this embodiment, a groove 23 is provided on an outer surface of an end of the second housing 2 away from the first housing 1, corresponding to the boss 22.

Specifically, a groove 23 with a backward notch is formed in the outer surface of the rear end of the second housing 2, and the groove 23 can ensure that the wall thickness of the second housing 2 at the boss 22 is close to the wall thickness at other positions, thereby facilitating the second housing 2 to maintain consistent wall thickness.

Optionally, referring to fig. 2, in this embodiment, the earphone 100 further includes a third casing 6 and a circuit board 7, the third casing 6 and one end of the second casing 2 far from the first casing 1 are spliced to enclose a second cavity 8, and the circuit board 7 is located in the second cavity 8.

Specifically, the rear end of the second housing 2 is spliced with the front end of the third housing 6 to form the second chamber 8, an accommodating groove may be formed in the rear end of the second housing 2 or the front end of the third housing 6, or both the rear end of the second housing 2 and the front end of the third housing 6 are provided with an accommodating groove, optionally, referring to fig. 2, in this embodiment, the third housing 6 is provided with a third accommodating groove 61, the second housing 2 is provided with a fourth accommodating groove (not shown in the drawings, the fourth accommodating groove is communicated with the groove 23), and the third accommodating groove 61 and the fourth accommodating groove constitute the second chamber 8.

Specifically, the front end of the third housing 6 is provided with a third receiving groove 61 having a notch facing forward, and the rear end of the second housing 2 is provided with a fourth receiving groove having a notch facing rearward. The groove side wall of the third accommodating groove 61 at the notch is butted with the groove side wall of the fourth accommodating groove at the notch, so that the third accommodating groove 61 and the fourth accommodating groove form a closed second chamber 8.

The specific fixing connection manner between the groove side wall of the third receiving groove 61 and the groove side wall of the fourth receiving groove may not be particularly limited, for example, the groove side wall of the third receiving groove 61 and the groove side wall of the fourth receiving groove are fixedly connected by bonding, providing a snap connection structure, and the like. Alternatively, in the present embodiment, a snap connection structure (not shown in the drawings) is provided between the groove side wall of the third receiving groove 61 and the fourth receiving groove, and the groove side wall of the third receiving groove 61 and the fourth receiving groove are further fixed by glue.

The circuit board 7 is electrically connected with the battery 4 and the loudspeaker 5, the circuit board 7 is located in the second cavity 8, and the bottom wall (namely the mounting surface 21) of the second accommodating groove 24 enables the rear sound cavity 32 to be isolated from the circuit board 7, so that the audio performance of the rear sound cavity 32 caused by the interference of the electric signal of the circuit board 7 is avoided, and the audio consistency is further improved.

The circuit board 7 is located in the second chamber 8, and the circuit board 7 may be mounted on the second housing 2 or the circuit board 7 may be mounted on the third housing 6. Optionally, referring to fig. 2, in the present embodiment, the circuit board 7 is mounted on the third casing 6.

Specifically, the circuit board 7 is located in the third receiving groove 61, and the circuit board 7 is fixedly connected to the inner surface of the third receiving groove 61. When the earphone 100 is assembled, the circuit board 7 can be assembled on the third housing 6, and then the third housing 6 and the second housing 2 are assembled together, so that the assembly of the earphone 100 is easier.

The above is only the preferred embodiment of the present invention, and is not therefore limiting the patent scope of the present invention, all of which are under the design of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. An earphone, comprising:

a first housing;

2. The headset of claim 1, wherein the mounting surface is disposed toward the speaker, and wherein an end of the battery remote from the speaker is mounted to the mounting surface.

3. The headset of claim 1, wherein a boss is raised from an inner surface of an end of the second housing remote from the first housing, a mesa of the boss forming the mounting surface.

4. The earphone according to claim 3 wherein the outer surface of the second casing at the end remote from the first casing is provided with a groove corresponding to the boss.

5. The earphone according to claim 3, wherein the second housing is provided with a second receiving groove, and the boss is provided on an inner surface of a groove bottom wall of the second receiving groove.

6. The headset of any one of claims 1-5, wherein the speaker is adhesively secured to the inner surface of the first chamber; and/or the presence of a gas in the atmosphere,

the battery is bonded and fixed on the mounting surface.

7. The headset of any one of claims 1-5, wherein the speaker is mounted on the first housing.

8. The earphone according to claim 7, wherein the first housing is provided with a first receiving groove, wherein the end of the speaker far from the battery is located in the first receiving groove, an annular limiting surface facing the speaker is provided on an inner surface of a groove side wall of the first receiving groove, the annular limiting surface is located on a side of the speaker far from the battery, and the annular limiting surface is connected with the speaker.

9. The headset of any one of claims 1-5, further comprising a third housing joined to the second housing at an end remote from the first housing to enclose a second chamber, and a circuit board disposed in the second chamber.

10. The headset of claim 9, wherein the circuit board is mounted on the third housing.