CN219459268U

CN219459268U - Bone conduction earphone with waterproof cover

Info

Publication number: CN219459268U
Application number: CN202320681435.1U
Authority: CN
Inventors: 郭宝庆
Original assignee: Shenzhen Mengqu Life Technology Co ltd
Current assignee: Shenzhen Mengqu Life Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-01
Anticipated expiration: 2033-03-31

Abstract

The application is applicable to the bone conduction equipment field, discloses bone conduction earphone with waterproof lid, including oscillator subassembly, ear-hang subassembly, fuselage subassembly and back string subassembly, oscillator subassembly is located the ear-hang subassembly, and back string subassembly is connected with the fuselage subassembly, and the fuselage subassembly includes fuselage backshell, PCB mainboard and fuselage side cap, and the PCB mainboard sets up in the fuselage backshell, and the fuselage subassembly still includes waterproof lid, and waterproof lid is located one side that the PCB mainboard was kept away from the fuselage backshell, waterproof lid covers the PCB mainboard. On one hand, the waterproof cover is arranged on the PCB main board, so that the PCB main board is sealed on the inner side of the rear shell of the machine body, a good waterproof barrier is formed, and an excellent waterproof effect is achieved; on the other hand, in the production process, after the PCB main board and the waterproof cover are installed, the waterproof can be tested at the stage, if the waterproof bad condition occurs, glue is only needed to be added at the bad position, the whole disassembly and reworking are not needed, the reject ratio of a finished product is greatly reduced, and the loss caused by reworking is reduced.

Description

Bone conduction earphone with waterproof cover

Technical Field

The application relates to the field of bone conduction equipment, in particular to a bone conduction earphone with a waterproof cover.

Background

Bone conduction headphones are headphones that conduct sound, convert the sound into mechanical vibrations of different frequencies, and transmit sound waves through the skull, bone labyrinth, inner ear lymph, augers, auditory centers, etc. of a person. The existing bone conduction earphone body waterproof is sealed through glue, the test waterproof of semi-manufactured goods stage can not be accomplished in actual production to this mode, only can test the waterproof function of product under the complete assembled condition of shell, if waterproof bad condition appears, need wholly dismantle the shell, can make the shell damaged in the dismantlement process, lead to the shell material to scrap, and need dismantle the PCB mainboard and reassemble the PCB mainboard in new casing, the bone conduction earphone yield of above-mentioned structure is low, waterproof test technology is loaded down with trivial details, intangibly increased manufacturing cost.

Disclosure of Invention

The application aims at solving at least one of the technical problems existing in the prior art, and therefore, the application provides a bone conduction headset with a waterproof cover.

The utility model provides a bone conduction earphone with waterproof lid, includes oscillator subassembly, ear-hang subassembly, fuselage subassembly and back string subassembly, the oscillator subassembly is located in the ear-hang subassembly, back string subassembly with the fuselage subassembly is connected, the fuselage subassembly includes fuselage backshell, PCB mainboard and fuselage side cap, the PCB mainboard set up in the fuselage backshell, the fuselage subassembly still includes waterproof lid, waterproof lid is located the PCB mainboard is kept away from one side of fuselage backshell, waterproof lid covers the PCB mainboard.

Further specifically, in the above technical scheme, the fuselage backshell is formed with the holding tank, the PCB mainboard with waterproof cover all hold in the holding tank, in the direction of perpendicular to the PCB mainboard, the height of waterproof cover is less than the height at fuselage backshell edge.

Further specifically, in the above technical scheme, the waterproof cover is provided with a plurality of glue overflow grooves towards the one side far away from the PCB mainboard, glue is poured into the glue overflow grooves, and the glue is used for sealing the PCB mainboard.

Further specifically, in the above technical scheme, the fuselage backshell is provided with a plurality of reference columns, waterproof cover corresponds be provided with a plurality of with reference column looks adaptation's constant head tank.

Further specifically, in the above technical scheme, the locating column is provided with the locating hole towards the one side of fuselage side cap, the fuselage side cap corresponds and is provided with the spliced pole, the spliced pole with the size looks adaptation of locating hole.

Further specifically, in the above technical solution, the bone conduction earphone further includes a wire, the waterproof cover is provided with a wire guide, and the wire passes through the wire guide and is connected with the PCB main board.

More specifically, in the above technical solution, the connection mode between the rear shell of the body and the side cover of the body includes:

the back shell of the machine body is in buckle connection with the side cover of the machine body,

The back shell of the machine body and the side cover of the machine body are ultrasonically fixed or

The machine body rear shell and the machine body side cover are fixed through glue and a pressure maintaining device.

Further specifically, in the above technical scheme, the PCB main board is provided with a PIN needle, and the waterproof cover is provided with a plurality of through holes for the PIN needle to pass through.

In the technical scheme, the wire in the rear hanging assembly is fixedly connected with the machine body assembly through the connecting piece.

Further specifically, in the above technical solution, the wires in the rear hanging assembly pass through the connecting piece and are connected with the PCB main board, the body assembly further includes a fixing piece, and the fixing piece passes through a portion of the connecting piece extending into the body assembly, so as to fix the connecting piece to the body rear shell.

Compared with the prior art, the embodiment of the application has the following beneficial effects:

on one hand, the waterproof cover is arranged on the PCB main board, so that the PCB main board is sealed on the inner side of the rear shell of the machine body, a good waterproof barrier is formed, and an excellent waterproof effect is achieved; on the other hand, in the production process, after the PCB main board and the waterproof cover are installed, the waterproof can be tested at the stage, if the waterproof bad condition occurs, glue is only needed to be added at the bad position, the whole disassembly and reworking are not needed, the reject ratio of a finished product is greatly reduced, and the loss caused by reworking is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an explosive structure of the present application;

FIG. 2 is a schematic view of a connection structure of the rear shell of the fuselage of the present application with a waterproof cover and a connector;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

fig. 4 is a schematic structural view of the waterproof cover facing away from the PCB main board;

FIG. 5 is a schematic view of a configuration of a side cover of the fuselage of the present application;

fig. 6 is a schematic structural diagram of a PCB motherboard of the present application.

In the figure: 1. an ear-hook assembly; 2. a fuselage assembly; 201. a fuselage rear shell; 2011. a receiving groove; 2012. positioning columns; 20121. positioning holes; 202. a PCB motherboard; 2021. a PIN needle; 203. a body side cover; 2031. a connecting column; 204. a waterproof cover; 2041. a positioning groove; 2042. a wire guide; 2043. a through hole; 2044. a glue overflow groove; 205. a fixing member; 3. a rear hitch assembly; 4. a wire; 5. and a connecting piece.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be understood that references to orientation descriptions, such as directions of up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical solution.

In addition, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Referring to fig. 1-2, the present application provides a bone conduction earphone with a waterproof cover 204, which comprises a vibrator assembly (not shown), an ear-hook assembly 1, a body assembly 2 and a back-hook assembly 3, wherein the vibrator assembly is located in the ear-hook assembly 1, the back-hook assembly 3 is connected with the body assembly 2, the body assembly 2 comprises a body rear shell 201, a PCB main board 202 and a body side cover 203, the PCB main board 202 is arranged in the body rear shell 201, the body assembly 2 further comprises the waterproof cover 204, the waterproof cover 204 is located on one side of the PCB main board 202 far away from the body rear shell 201, and the waterproof cover 204 covers the PCB main board 202.

On one hand, the waterproof cover 204 is arranged on the PCB main board 202, so that the PCB main board 202 is sealed on the inner side of the rear shell 201 of the machine body, a good waterproof barrier is formed, and an excellent waterproof effect is achieved; on the other hand, in the production process, after the PCB main board 202 and the waterproof cover 204 are installed, the waterproof can be tested at the stage, if the waterproof bad condition occurs, glue is only needed to be added at the bad position, the whole disassembly and reworking are not needed, the reject ratio of a finished product is greatly reduced, and the loss caused by reworking is reduced.

In a specific production process, the PCB main board 202 is first installed into the back shell 201 of the fuselage, then the wires 4 in the back shell 201 of the fuselage are welded on the corresponding bonding pads of the PCB main board 202, and then the waterproof cover 204 is assembled on the PCB main board 202, so that the waterproof cover 204 covers the PCB main board 202 to form a waterproof barrier.

It is to be understood that the PCB main board 202 may be provided with a plurality of connection terminals, and the connection structure of the connection terminals is a common structure for those skilled in the art, so the application is not limited herein; specifically, the vibrator assembly may include a second circuit board, a coil, a vibration assembly, and a magnetic field assembly for generating a magnetic field, where the second circuit board is electrically connected to the PCB main board 202, and the second circuit board may also be provided with a plurality of connection terminals, and the second circuit board is connected to the PCB main board 202 through the connection terminals, for example, the second circuit board is provided with a terminal a and a terminal b, and the terminal a and the terminal b are connected to the PCB main board 202 as positive and negative electrodes.

It should be noted that, this application only shows the structural schematic diagram of right fuselage subassembly, and the structure of left fuselage subassembly can be the same with the structure of right fuselage subassembly, and the structure of left fuselage subassembly also can be the same with the structural part of right fuselage subassembly, and left fuselage subassembly and right fuselage subassembly are connected through back hanging subassembly 3.

The case where the structure of the left body assembly is the same as the structural part of the right body assembly includes: the left body component is provided with a battery, the right body component is provided with a PCB main board 202, and a rear body shell 201 and a side body cover 203 of the left body component are the same as the right body component; the left body component is provided with a PCB main board 202, the right body component is provided with a battery, and a rear body shell 201 and a side body cover 203 of the left body component are the same as those of the right body component; the PCB main board 202 and the battery are arranged on the left body component at the same time, and the rear body shell 201, the side body cover 203 and the right body component of the left body component are the same; the PCB main board 202 is simultaneously provided with the battery in the right body assembly, and the rear body case 201, the body side cover 203 and the right body assembly of the left body assembly are identical.

As shown in fig. 1-2, in some embodiments, the body rear case 201 is formed with a receiving groove 2011, and the PCB main board 202 and the waterproof cover 204 are both received in the receiving groove 2011, and the height of the waterproof cover 204 is smaller than the height of the edge of the body rear case 201 in a direction perpendicular to the PCB main board 202.

After the PCB main board 202 and the waterproof cover 204 are assembled in the accommodating groove 2011, in the direction perpendicular to the PCB main board 202, the height of the waterproof cover 204 is lower than the height of the edge of the rear shell 201 of the machine body, so that glue is not easy to overflow when the glue is poured into the waterproof cover, and the side cover 203 of the machine body is convenient to cover and connect with the edge of the rear shell 201 of the machine body.

As shown in fig. 2 and 4, in some embodiments, a glue overflow groove 2044 is disposed on a surface of the waterproof cover 204 facing away from the PCB main board 202, and glue is poured into the glue overflow groove 2044, and the glue is used to seal the PCB main board 202.

As shown in fig. 2, the edge of the side, facing away from the PCB main board 202, of the waterproof cover 204 can be provided with a glue overflow groove 2044, after the assembly of the PCB main board 202 and the waterproof cover 204 is completed, waterproof glue is applied to the glue overflow groove 2044 on the waterproof cover 204, the waterproof effect of the product is further improved, after the glue is dried, the waterproof is tested, if the situation of poor waterproof occurs, only glue is needed to be added at the poor position, the whole disassembly rework is not needed, and the production straight-through rate of the product is improved.

Further, as shown in fig. 4, a glue overflow groove 2044 may be provided in the middle of the surface of the waterproof cover 204 facing away from the PCB main board 202, and the glue overflow groove 2044 in the middle is communicated with the glue overflow groove 2044 at the edge, so as to increase the coverage rate of glue and further improve the sealing effect on the PCB main board 202.

As shown in fig. 2 and fig. 4, in some embodiments, the back shell 201 of the fuselage is provided with a plurality of positioning posts 2012, the waterproof cover 204 is correspondingly provided with a plurality of positioning slots 2041 matched with the positioning posts 2012, and the positioning slots 2041 can be fixed at the corresponding positioning posts 2012 during the assembly of the waterproof cover 204, so that the assembly efficiency is improved, and the waterproof cover 204 can be limited to prevent displacement, thereby affecting the tightness of the PCB main board 202.

In some embodiments, as shown in fig. 3 and 5, a positioning hole 20121 is provided on a surface of the positioning post 2012 facing the side cover 203, and the side cover 203 is correspondingly provided with a connecting post 2031, and the connecting post 2031 is matched with the positioning hole 20121 in size.

In the process that the side cover 203 covers the rear shell 201, the connecting post 2031 extends into the positioning hole 20121 of the positioning post 2012, preferably, the connecting post 2031 is in interference fit with the positioning hole 20121, so as to realize the assembly of the side cover 203 and the rear shell 201 and improve the installation stability of the side cover 203 and the rear shell 201.

In some embodiments, as shown in fig. 2-4, the bone conduction earphone further includes a wire 4, the waterproof cover 204 is provided with a wire hole 2042, the wire 4 is connected with the PCB main board 202 through the wire hole 2042, and the wire hole 2042 can limit the wire 4 so as to maintain the order of the wire 4 in the body assembly 2 and reduce the mess of the wire 4.

In some embodiments, the manner in which the fuselage rear shell 201 is connected to the fuselage side covers 203 includes: the fuselage rear shell 201 is snap-connected with the fuselage side cover 203, the fuselage rear shell 201 is ultrasonically fixed with the fuselage side cover 203, or the fuselage rear shell 201 is fixed with the fuselage side cover 203 by glue and pressure maintaining means.

In some structures, the fuselage backshell 201 is provided with first buckle portion, and the fuselage side cap 203 is provided with the second buckle portion that corresponds, realizes through first buckle portion and second buckle portion that fuselage backshell 201 and fuselage side cap 203 buckle are connected, improves the stability that fuselage backshell 201 and fuselage side cap 203 are connected.

The ultrasonic welding process is simple, the installation procedure of the bone conduction earphone body component 2 can be reduced, the automatic production line output is improved, the assembly efficiency is improved, and the reject ratio is reduced.

In some embodiments, as shown in fig. 6, a PIN 2021 is disposed on the PCB main board 202, as shown in fig. 4, a plurality of through holes 2043 through which the PIN 2021 passes are disposed on the waterproof cover 204, and signal transmission of the PCB main board 202 is achieved by using the PIN 2021.

As shown in fig. 2, in some embodiments, the wire 4 in the rear hanging assembly 3 is fixedly connected with the body assembly 2 through the connecting piece 5, so that the installation stability of the wire 4 is improved, frequent displacement collision of the wire 4 in the body assembly 2 is reduced in the use process of a user, and the service life of the wire 4 is prolonged.

As shown in fig. 3, in some embodiments, the wires 4 in the rear suspension assembly 3 are connected to the PCB main board 202 through the connection members 5, and the body assembly 2 further includes fixing members 205, the fixing members 205 penetrating through portions of the connection members 5 protruding into the body assembly 2, to fix the connection members 5 to the body rear case 201. Optionally, the fixing element 205 is a screw or a fixing rod, and the part of the connecting element 5 extending into the body assembly 2 is reinforced by the fixing element 205, so that the stability of the installation of the wire 4 in the body assembly 2 is further improved.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. The bone conduction earphone comprises a vibrator assembly, an ear-hanging assembly, a body assembly and a rear-hanging assembly, wherein the vibrator assembly is positioned in the ear-hanging assembly, the rear-hanging assembly is connected with the body assembly, the body assembly comprises a body rear shell, a PCB main board and a body side cover, and the PCB main board is arranged in the body rear shell; the waterproof cover is located on one side, away from the body rear shell, of the PCB main board, and the waterproof cover covers the PCB main board.

2. The bone conduction headset with a waterproof cover according to claim 1, wherein the waterproof cover has a height lower than a height of the rear case edge of the body in a direction perpendicular to the PCB main board.

3. The bone conduction headset with the waterproof cover according to claim 2, wherein a plurality of glue overflow grooves are formed in the surface, facing away from the PCB main board, of the waterproof cover, and glue is poured into the glue overflow grooves and used for sealing the PCB main board.

4. The bone conduction headset with the waterproof cover according to claim 2, wherein the body rear shell is provided with a plurality of positioning posts, and the waterproof cover is correspondingly provided with a plurality of positioning grooves matched with the positioning posts.

5. The bone conduction headset with the waterproof cover according to claim 4, wherein a positioning hole is formed in one surface of the positioning column, which faces the side cover of the body, and a connecting column is correspondingly arranged on the side cover of the body, and the connecting column is matched with the positioning hole in size.

6. The bone conduction headset with a waterproof cover of claim 2, further comprising a wire, wherein the waterproof cover is provided with a wire guide through which the wire is connected to the PCB main board.

7. The bone conduction headset with a waterproof cover of any one of claims 1-6, wherein the manner in which the body back shell is connected to the body side cover comprises:

8. The bone conduction headset with a waterproof cover according to any one of claims 1-6, wherein a PIN needle is provided on the PCB main board, and a plurality of through holes for the PIN needle to pass through are provided on the waterproof cover.

9. The bone conduction headset with a waterproof cover of any one of claims 1-6, wherein the wires in the rear suspension assembly are fixedly connected to the body assembly by a connector.

10. The bone conduction headset with a waterproof cover of claim 9, wherein the wires in the rear suspension assembly pass through the connector to connect with the PCB main board, the body assembly further comprising a fastener passing through a portion of the connector that extends into the body assembly to secure the connector to the body rear housing.