CN215991159U - Earphone antenna structure and earphone - Google Patents

Abstract

The utility model discloses an earphone antenna structure, which comprises a shell, wherein the shell comprises a shell body and a containing cavity which is formed by enclosing of the shell body and used for containing a loudspeaker and a mainboard, and a plate-shaped antenna which is connected with the mainboard is embedded in the shell body. The utility model also discloses an earphone comprising the earphone antenna structure. Compared with the prior art, beneficial effect lies in: through with antenna embedded to the shell body on for the antenna need not to occupy the inner space of earphone, thereby conveniently arranges the inner space of earphone more, can simplify the design process of earphone, but also can omit the equipment process of antenna, and then can reduce earphone manufacturing cost.

Description

Earphone antenna structure and earphone

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of earphones, in particular to an earphone antenna structure and an earphone.

[ background of the utility model ]

Based on the progress of the bluetooth chip, at present, the TWS (True Wireless Stereo) headset is developing faster and faster, and the used people are more and more. In the design process of the TWS headset, the internal space of the headset is very limited due to the limitation of the auricle of the human body, so the design of the headset focuses on how to reasonably utilize the internal space of the headset.

Take the antenna in the earphone as an example, in prior art, the used antenna of TWS earphone is mostly FPC antenna, the LDS antenna, ceramic antenna, board-mounted antenna, wherein the FPC antenna needs the gum to paste on the inner wall of earphone casing, need occupy the thickness space about 0.22mm, the LDS antenna then needs to increase a plastic support and is used for radium carving, also need to occupy the inner space of earphone, that is to say, present earphone antenna all needs to occupy the inside valuable space of earphone usually, make the production technology of earphone more complicated, thereby lead to the rising of earphone cost.

Accordingly, there is a need for an earphone antenna structure and an earphone thereof to overcome the deficiencies of the prior art.

[ Utility model ] content

The utility model aims to provide an earphone antenna structure, aiming at saving the internal space of an earphone.

In order to achieve the above object, the present invention provides an earphone antenna structure, which includes a housing, where the housing includes a housing body and a receiving cavity surrounded by the housing body and used for receiving a speaker and a main board, and a plate-shaped antenna connected to the main board is embedded in the housing body.

As an improvement of the earphone antenna structure of the present invention, the housing body is formed by plastic injection molding, and the housing body includes a front housing, a rear housing, and a middle housing connected between the front housing and the rear housing, the antenna is embedded in the rear housing by an in-mold injection molding method, and the main board is installed in the middle housing.

As an improvement of the antenna structure of the earphone of the present invention, the rear housing includes a bottom wall having a flat plate shape and used for embedding the antenna therein, and a side wall extending from an edge of the bottom wall and used for connecting the middle housing.

As an improvement of the earphone antenna structure, the antenna is provided with a plurality of positioning holes, and the bottom wall is also provided with a plurality of through holes communicated with the positioning holes one by one.

As an improvement of the earphone antenna structure of the present invention, the main board is provided with a connecting element for connecting the antenna, one side of the bottom wall close to the accommodating cavity is provided with a connecting hole corresponding to the connecting element and exposing a part of the antenna, and the connecting element extends into the connecting hole and is connected with the antenna.

As an improvement of the antenna structure of the earphone of the present invention, the connecting element is made of elastic metal, and the connecting element includes a base connected to the main board and a spring plate extending from the top end of the base and used for pressing the antenna.

As an improvement of the earphone antenna structure of the present invention, the connecting element is mounted on the main board by means of a patch.

As an improvement of the earphone antenna structure, a mounting boss for mounting the main board is formed on the inner wall of the middle shell in a protruding mode.

The utility model also provides an earphone comprising the earphone antenna structure.

Compared with the prior art, the earphone antenna structure and the earphone have the advantages that: through with antenna embedded to the shell body on for the antenna need not to occupy the inner space of earphone, thereby conveniently arranges the inner space of earphone more, can simplify the design process of earphone, but also can omit the equipment process of antenna, and then can reduce earphone manufacturing cost.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective cross-sectional view of an earphone antenna structure provided by the present invention.

Fig. 2 is an exploded perspective view of the antenna structure of the earphone shown in fig. 1.

Fig. 3 is a perspective sectional view of the rear case shown in fig. 1.

Fig. 4 is a perspective view of the main board shown in fig. 1.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 4, the present invention provides an earphone antenna structure 100 for a wireless earphone to save the internal space of the earphone.

In the embodiment of the present invention, the earphone antenna structure 100 includes a housing 1, the housing 1 includes a housing body 20 and a receiving cavity 30 enclosed by the housing body 20 and used for receiving a speaker (not shown) and a main board, the main board 40 is electrically connected to the speaker for controlling sound emitted by the speaker, and a plate-shaped antenna 50 connected to the main board 40 is embedded in the housing body 20.

It can be understood that the antenna 50 is embedded in the housing body 20, so that a space for installing the antenna 50 is not required to be arranged in the accommodating cavity 30, and the purpose of saving the inner space of the earphone can be achieved.

In some embodiments, the housing body 20 is formed by injection molding using plastic, so that the antenna 50 can be embedded in the housing body 20 by means of in-mold injection molding in order to facilitate embedding the antenna 50 inside the housing body 20.

Specifically, be equipped with ear stem portion 201 and earplug portion 202 on the casing body 20, ear stem portion 201 is used for placing mainboard 40, earplug portion 202 is used for placing the speaker and can packs in the people's ear, and like this, for convenient casing body 20 injection moulding, casing body 20 can include preceding shell 21, backshell 22 and connect the well shell 23 between preceding shell 21 and backshell 22, in order to make things convenient for mould plastics, casing body 20 at least falls into the triplex that can injection moulding alone, then the mode of rethread concatenation will be preceding shell 21, backshell 22 and well shell 23 constitute required casing body 20, also conveniently inlay in the corresponding part of casing body 20 with antenna 50 through the mode of moulding plastics in the mould like this.

In the present embodiment, the antenna 50 is embedded in the rear case 22 by an in-mold molding method, for which the rear case 22 includes the bottom wall 221 of the flat plate shape for embedding the antenna 50 and the side wall 222 formed by extending from the edge of the bottom wall 221 and used for connecting the middle case 23, it can be understood that, since the antenna 50 is made of a metal material, in this way, the antenna 50 is embedded in the rear case 22, and the strength of the rear case 22 can be increased, so that the wall thickness of the rear case 22 can be reduced, that is, in the case that the volume of the case body 20 is not changed, the antenna 50 is disposed in the rear case 22, and not only does the antenna 50 need to occupy the space of the receiving cavity 30 (inside of the earphone), but also the volume of the receiving cavity 30 can be increased.

In a preferred embodiment, the antenna 50 is provided with a plurality of positioning holes 501, and the bottom wall 221 is provided with a plurality of through holes 2211 communicated with the positioning holes 501 one by one, so that the antenna 50 can be fixed in a molding cavity of the rear housing 22 (i.e. a molding space required by the rear housing 22 during injection molding) through the positioning holes 501 and the through holes 2211 during in-mold injection molding.

Further, in order to facilitate the connection between the main board 40 and the antenna 50 on the rear case 22, a mounting boss 231 for mounting the main board 40 is formed on the inner wall of the middle case 23 in a protruding manner, and the main board 40 may be fixed on the mounting boss 231 by means of adhesion, snap connection or screw connection.

Further, a connecting element 401 for connecting the antenna 50 is disposed on the main board 40, the connecting element 401 is made of metal with good conductivity to connect the antenna 50 with a feeding circuit (not shown) on the main board 40, and correspondingly, a connecting hole 2211 corresponding to the connecting element 401 and exposing a portion of the antenna 50 is further disposed on the bottom wall 221 of the rear case 22, so that the connecting element 401 can extend into the connecting hole 2211 to connect with the antenna 50.

In a preferred embodiment, the connection element 401 may be electrically connected to the antenna 50 by abutting, specifically, the connection element 401 is made of a metal having elasticity, and the connection element 401 includes a base 4011 connected to the main board 40 and an elastic plate 4012 formed by extending from a top end of the base 4011 and used for abutting against the antenna 50, after the rear shell 22 is connected to the middle shell 23, the elastic plate 4012 abuts against a portion of the antenna 50 located in the connection hole 2211, so that the electrical connection between the connection element 401 and the antenna 50 is relatively stable and reliable.

In this embodiment, the connecting component 401 may be mounted on the main board 40 in a patch manner, and the connecting component 401 may be accurately fixed on the main board 40, so that the elastic sheet 4012 on the connecting component 401 can be accurately pressed on the antenna 50 only by connecting the rear shell 22 and the middle shell 23.

In summary, according to the earphone antenna structure 100 provided by the present invention, the antenna 50 is embedded in the housing body 20, so that the antenna 50 does not occupy the internal space of the earphone, the internal space of the earphone is more conveniently arranged, the design process of the earphone can be simplified, the assembly process of the antenna 50 can be omitted, and the production cost of the earphone can be reduced.

The present invention provides a headset (not shown) comprising the headset antenna structure 100 of any of the above embodiments.

It should be understood that the earphone provided by the present invention, with the earphone antenna structure 100, the antenna 50 on the earphone does not occupy the internal space of the earphone, thereby simplifying the internal structure design of the earphone, facilitating the production and manufacturing, and reducing the production cost of the earphone.

The utility model is not limited solely to that described in the specification and embodiments, and additional advantages and modifications will readily occur to those skilled in the art, so that the utility model is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims (9)

1. The earphone antenna structure is characterized by comprising a shell, wherein the shell comprises a shell body and a containing cavity which is formed by enclosing the shell body and used for containing a loudspeaker and a mainboard, and a plate-shaped antenna which is connected with the mainboard is embedded in the shell body.

2. The earphone antenna structure according to claim 1, wherein the housing body is formed by plastic injection molding, and the housing body includes a front housing, a rear housing, and a middle housing connected between the front housing and the rear housing, the antenna is embedded in the rear housing by in-mold injection, and the main board is installed in the middle housing.

3. The earphone antenna structure of claim 2, wherein the rear case includes a bottom wall having a flat plate shape and in which the antenna is embedded, and a side wall extending from an edge of the bottom wall and connecting the middle case.

4. The earphone antenna structure of claim 3, wherein the antenna is provided with a plurality of positioning holes, and the bottom wall is further provided with a plurality of through holes communicated with the positioning holes one by one.

5. The earphone antenna structure of claim 4, wherein the main board is provided with a connecting element for connecting the antenna, one side of the bottom wall close to the receiving cavity is provided with a connecting hole corresponding to the connecting element and exposing a part of the antenna, and the connecting element extends into the connecting hole to be connected with the antenna.

6. The earphone antenna structure of claim 5, wherein the connecting member is made of a resilient metal, and the connecting member includes a base connected to the main board and a spring plate extending from a top end of the base and configured to press against the antenna.

7. The earphone antenna structure of claim 5 wherein the connector is mounted on the motherboard by way of a patch.

8. The earphone antenna structure of claim 2, wherein the inner wall of the middle case is protruded to form a mounting boss for mounting the main board.

9. A headset, characterized in that it comprises a headset antenna structure according to any of claims 1-8.

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