CN219876017U

CN219876017U - Waterproof bone conduction earphone of button

Info

Publication number: CN219876017U
Application number: CN202320930161.5U
Authority: CN
Inventors: 郭宝庆
Original assignee: Shenzhen Mengqu Life Technology Co ltd
Current assignee: Shenzhen Mengqu Life Technology Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-10-20
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a waterproof bone conduction earphone for a key, which comprises a vibrator assembly, a key assembly, a front cover assembly and a rear shell assembly, wherein the rear shell assembly is connected with the front cover assembly in a covering manner, a circuit board is arranged in the rear shell assembly, and a waterproof cover is arranged on one side, facing the front cover assembly, of the circuit board; the button assembly comprises a switch and a button, the switch is connected with the circuit board, one end of the button is connected with the switch, the other end of the button is connected with the inner wall of the rear shell assembly, and the waterproof cover covers the circuit board and the button assembly; the backshell subassembly includes stereoplasm shell, soft shell, and the stereoplasm shell is used for holding button subassembly and circuit board, and the stereoplasm shell is fixed in soft shell, and soft shell extends the surface that covers the button. According to the waterproof structure, the waterproof cover is arranged in the rear shell assembly, the circuit board and the key assembly are sealed in the rear shell assembly, and the soft shell is encapsulated to form a good waterproof barrier, so that an excellent waterproof effect is achieved.

Description

Waterproof bone conduction earphone of button

Technical Field

The utility model relates to the field of bone conduction equipment, in particular to a waterproof bone conduction earphone for a key.

Background

Bone conduction is one way of sound conduction, converting sound into mechanical vibrations of different frequencies, transmitting sound waves through the skull, bone labyrinth, inner ear lymph, augers and auditory centers of a person. The bone conduction earphone generally needs to have certain waterproof performance, especially needs to have good waterproof performance in a key area, and gaps exist in a plurality of positions of the shell of the existing bone conduction earphone, so that liquid easily permeates into the shell from the gaps, and short circuit phenomenon occurs in elements such as key components.

Disclosure of Invention

The utility model aims at solving at least one of the technical problems existing in the prior art, and therefore, the utility model provides a waterproof bone conduction earphone for a key.

The waterproof bone conduction earphone comprises a vibrator assembly, a key assembly, a front cover assembly and a rear shell assembly, wherein the front cover assembly is in cover connection with the rear shell assembly, a circuit board is arranged in the rear shell assembly, and a waterproof cover is arranged on one side, facing the front cover assembly, of the circuit board;

the button assembly comprises a switch and a button, the switch is connected with the circuit board, one end of the button is connected with the switch, the other end of the button is connected with the inner wall of the rear shell assembly, and the waterproof cover covers the circuit board and the button assembly; the rear shell assembly comprises a hard shell and a soft shell, wherein the hard shell is used for accommodating the key assembly and the circuit board, the hard shell is fixed in the soft shell, and the soft shell extends to cover the outer surface of the button.

In the technical scheme, a hollow button fixing column is arranged on the soft shell in an inward protruding mode at a position corresponding to the button, one end of the button is connected with the switch, and the other end of the button penetrates through the button fixing column to be connected with the inner wall of the soft shell; the hard shell is provided with a first through hole corresponding to the position of the button fixing column, and the button fixing column penetrates through the first through hole.

Further specifically, in the above technical scheme, the soft shell is provided with a first protrusion protruding outwards at the position corresponding to the button, and the thickness of the first protrusion is greater than that of the soft shell in other areas of the rear shell component.

Further specifically, in the above technical solution, the thickness of the first protrusion is 0.4-2mm.

Further specifically, in the above technical scheme, the soft shell is provided with a second protrusion protruding inwards at the position corresponding to the button, the button fixing column is located in the second protrusion, and the thickness of the second protrusion is 0.2-5mm.

More specifically, in the above technical solution, the button includes a touch portion and a connection portion, the connection portion is fixed in the button fixing column, and the touch portion is attached to the opening of the button fixing column;

the diameter of the connecting part is slightly smaller than the diameter of the hollow part of the button fixing column, and the diameter of the touch part is larger than the diameter of the hollow part of the button fixing column.

In the technical scheme, the soft shell is provided with a key body at a position connected with the other end of the button.

Further specifically, in the above technical scheme, be provided with a plurality of reference columns in the backshell subassembly, the circuit board is provided with a plurality of locating holes in corresponding position department, the reference column with the locating hole looks adaptation.

Further specifically, in the above technical scheme, the waterproof cover is provided with a plurality of glue spraying grooves towards the one face far away from the circuit board and the key assembly, glue is poured into the glue spraying grooves, and the glue is used for sealing the circuit board and the key assembly.

In the technical scheme, the front cover assembly is a hard front cover, and the outer surface of the front cover assembly is injection-molded with a soft outer layer.

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

on one hand, the soft shell covers the hard rear shell and the outer side of the button in a full encapsulation mode, a gap which can be penetrated by liquid does not exist at the joint of the button and the rear shell component, the condition that liquid enters the shell from the gap of the rear shell component is reduced, and the waterproof grade of the key is improved. On the other hand, the application is through setting up waterproof cover in the backshell subassembly, seals circuit board and button subassembly in the backshell subassembly, forms good waterproof barrier, plays excellent waterproof effect. Meanwhile, the key assembly on the inner side of the soft shell adopts a hard button, and the hard button presses a switch on the circuit board, so that the waterproof and light and brittle key handfeel is reserved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, 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 utility model, and 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 utility model;

FIG. 2 is a first cross-sectional structural schematic view of the rear housing assembly of the present utility model;

FIG. 3 is a second cross-sectional structural schematic view of the rear housing assembly of the present utility model;

FIG. 4 is a schematic view of an exploded view of the flexible cover and button of the present utility model;

FIG. 5 is a schematic diagram of a circuit board according to the present utility model;

fig. 6 is a schematic cross-sectional view of the flexible outer casing of the present utility model.

In the figure: 1. a vibrator assembly; 2. a key assembly; 201. a switch; 202. a button; 2021. a touch part; 2022. a connection part; 203. a key body; 3. a front cover assembly; 4. a rear housing assembly; 401. a hard shell; 4011. a first through hole; 402. a soft shell; 4021. a button fixing column; 4022. a first protrusion; 4023. a second protrusion; 403. positioning columns; 5. a circuit board; 501. positioning holes; 502. a PIN needle; 6. a waterproof cover; 601. a second through hole; 602. and (5) a glue spraying groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, 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 utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a 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 utility model. 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, the utility model provides a waterproof bone conduction earphone for a key, which comprises a vibrator assembly 1, a key assembly 2, a front cover assembly 3 and a rear cover assembly 4, wherein the front cover assembly 3 is in cover connection with the rear cover assembly 4, a circuit board 5 is arranged in the rear cover assembly 4, and a waterproof cover 6 is arranged on one side of the circuit board 5 facing the front cover assembly 3; the key assembly 2 includes a switch 201 and a button 202, the switch 201 is connected with the circuit board 5, one end of the button 202 is connected with the switch 201, the other end is connected with the inner wall of the rear case assembly 4, and the waterproof cover 6 covers the circuit board 5 and the key assembly 2.

On the one hand, the switch 201 of the key assembly 2 is connected with the circuit board 5, and then is respectively connected with the inner wall of the rear shell assembly 4 and the switch 201 through the button 202, so that a user can control the bone conduction earphone by touching the position of the button 202 on the outer wall of the rear shell assembly 4, and the structure has no gap for liquid to penetrate at the joint of the button 202 and the rear shell assembly 4, thereby reducing the condition that liquid enters the shell from the gap of the rear shell assembly 4, improving the waterproof level of the key and avoiding the short circuit of the key assembly 2 due to water touching. On the other hand, the application forms a good waterproof barrier by providing the waterproof cover 6 in the rear case assembly 4 and sealing the circuit board 5 and the key assembly 2 in the rear case assembly 4, thereby playing an excellent waterproof role.

In the assembly process of the bone conduction earphone, the key assembly 2 and the circuit board 5 are assembled into a preset fixing structure of the rear shell assembly 4 in sequence, the circuit board 5 is connected with a lead through welding or other modes, a complete operation circuit can be formed, at the moment, the waterproof cover 6 is installed again, the waterproof cover 6 covers the circuit board 5 and the key assembly 2, the waterproof cover 6 can be used for testing waterproofing at the stage, if poor waterproofing occurs, glue is only required to be added at the poor position, the whole disassembly rework is not required, and the production loss is reduced.

The rear case assembly 4 comprises a hard case 401 and a soft case 402, wherein the hard case 401 is used for accommodating the key assembly 2 and the circuit board 5, the hard case 401 is fixed in the soft case 402, and the soft case 402 extends to cover the outer surface of the button 202; according to the utility model, the soft shell 402 covers the hard rear shell 401 and the outer side of the button 202 in a full encapsulation mode, and a gap which can be penetrated by liquid does not exist at the joint of the button 202 and the rear shell component 4, so that the condition that liquid enters the shell from the gap of the rear shell component 4 is reduced, and the waterproof level of the key is improved.

As shown in fig. 2, in some embodiments, the soft housing 402 is provided with a hollow button fixing post 4021 protruding inwards at a position corresponding to the button 202, one end of the button 202 is connected with the switch 201, and the other end passes through the button fixing post 4021 to be connected with the inner wall of the soft housing 402; the hard case 401 is provided with a first through hole 4011 at a position of the button fixing post 4021, and the button fixing post 4021 penetrates through the first through hole 4011.

Optionally, the soft shell is made of elastomer materials such as silica gel, liquid silica gel, TPU, TPE, TPSIV or fluorine rubber.

In the assembly process, the button 202 is fixed in the button fixing column 4021 in advance, so that the limit and the fixation of the button 202 are realized; preferably, the button 202 is a hard rubber button 202, and the button fixing column 4021 is reserved on the inner side of the soft shell 402 and matched with the hard rubber button 202, so that the hand feeling of the hard rubber button 202 is reserved, and the key assembly 2 of the utility model keeps the light and brittle key hand feeling while being waterproof.

Preferably, the hard shell 401 is fixed in the soft shell 402, specifically, after the hard shell 401 is placed in the soft shell 402, the soft shell 402 is sleeved by a die, so that the integrated forming is realized, the assembling stability of the bone conduction earphone is improved, the water inflow inside the hard shell 401 is reduced, and the waterproof performance of the key assembly 2 and the circuit board 5 is further improved.

As shown in fig. 4, in some embodiments, the bladder 402 is outwardly convex with a first protrusion 4022 at a location corresponding to the button 202, the first protrusion 4022 having a thickness greater than the bladder 402 in other areas of the rear housing assembly 4. The first protrusion 4022 is convenient for a user to determine the position of the key assembly 2, the hand feeling of pressing by the user is improved, and the button 202 can be driven to touch the switch 201 by pressing the first protrusion 4022, so that the bone conduction earphone is controlled.

In some embodiments, the thickness of the first protrusion 4022 is 0.4-2mm, and the first protrusion 4022 within the thickness range is convenient for the user to press, and does not increase the external dimension of the bone conduction headset design, so that the bone conduction headset is light and convenient, and the use experience of the user is improved.

As shown in fig. 6, in some embodiments, the flexible housing 402 is provided with a second protrusion 4023 protruding inward at a position corresponding to the button 202, the button fixing post 4021 is located in the second protrusion 4023, and the thickness of the second protrusion 4023 is 0.2-5mm. The second protrusion 4023 may be integrally formed with the flexible housing 402, where the thickness of the second protrusion 4023 may be regarded as the thickness of the second protrusion 4023 after being integrally formed with the flexible housing 402; when the user presses the soft shell 402 to touch the key assembly 2, the second protrusion 4023 can prevent the soft shell 402 from deflecting inwards, so as to keep the shape of the soft shell 402; preferably, the thickness of the second projections 4023 is 0.2 to 3mm.

As shown in fig. 4, in some embodiments, the button 202 includes a trigger portion 2021 and a connecting portion 2022, the connecting portion 2022 is fixed in the button fixing post 4021, and the trigger portion 2021 is attached to an opening of the button fixing post 4021; wherein, the diameter of the connecting portion 2022 is slightly smaller than the diameter of the hollow portion of the button fixing post 4021, and the diameter of the touching portion 2021 is larger than the diameter of the hollow portion of the button fixing post 4021.

The diameter of the connecting portion 2022 is slightly smaller than the diameter of the hollow portion of the button fixing post 4021, and the button 202 can be integrally displaced up and down along the fixing post while maintaining the stability of the button 202, so that a user can conveniently press the button 202 to touch the switch 201, and control of the bone conduction headset is achieved.

As shown in fig. 2, in some embodiments, the soft housing 402 is provided with a key body 203 at a position connected to the other end of the button 202. The key body 203 can be directly formed on the soft shell 402 in a beer sleeving manner, and a user drives the button 202 to slide by pressing the key body 203 so as to trigger the switch 201 to send a control signal to the circuit board 5, so that the control of the bone conduction earphone is realized.

As shown in fig. 2, in some embodiments, a plurality of positioning posts 403 are disposed in the rear housing assembly 4, and as shown in fig. 5, the circuit board 5 is provided with a plurality of positioning holes 501 at corresponding positions, and the positioning posts 403 are adapted to the positioning holes 501.

The positioning hole 501 may be formed at the edge of the circuit board 5 and/or in the circuit board 5, when the positioning hole 501 is formed at the edge of the circuit board 5, the positioning post 403 is correspondingly fixed at the edge of the inner wall of the rear housing assembly 4, and when the positioning hole 501 is formed in the circuit board 5, the positioning post 403 penetrates through the circuit board 5.

During assembly, the circuit board 5 can be mounted in the preset positioning column 403 of the rear housing assembly 4, so that on one hand, the mounting efficiency of the element can be improved, and on the other hand, the stability of the circuit board 5 mounted in the rear housing assembly 4 can be improved.

As shown in fig. 5, in some embodiments, a PIN 502 is further disposed on the circuit board 5, and as shown in fig. 3, the waterproof cover 6 is provided with a through hole through which the PIN 502 passes, and signal transmission of the circuit board 5 can be achieved by using the PIN 502.

As shown in fig. 3, in some embodiments, a plurality of glue dispensing grooves 602 are disposed on a surface of the waterproof cover 6 facing away from the circuit board 5 and the key assembly 2, and glue is poured into the glue dispensing grooves 602, so as to seal the circuit board 5 and the key assembly 2.

As shown in fig. 2, the waterproof cover 6 is provided with a plurality of glue beating grooves 602 towards the surface far away from the circuit board 5 and the key assembly 2, and after the circuit board 5, the key assembly 2 and the waterproof cover 6 are assembled in sequence, waterproof glue is beaten in the glue beating grooves 602 of the waterproof cover 6, so that the waterproof effect of the product is further improved, after the glue is dried, the waterproof effect is tested, if the waterproof bad situation occurs, only glue is needed to be added at the bad position, the whole disassembly rework is not needed, and the production straight-through rate of the product is improved.

In some embodiments, the front cover assembly 3 is a hard front cover, and the outer surface of the front cover assembly 3 is injection molded with a soft outer layer.

The soft outer layer is the one side of contact with the user, and the surface of stereoplasm protecgulum has soft outer layer of moulding plastics, can provide comfortable wearing environment for the user, promotes user's experience sense.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will 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 utility model, and are intended to be included in the scope of the present utility model.

Claims

1. The utility model provides a waterproof bone conduction earphone of button, includes oscillator subassembly, button subassembly, protecgulum subassembly and backshell subassembly, the protecgulum subassembly with backshell subassembly lid closes and is connected, its characterized in that: a circuit board is arranged in the rear shell assembly, and a waterproof cover is arranged on one side, facing the front cover assembly, of the circuit board;

2. The waterproof bone conduction earphone according to claim 1, wherein the soft shell is provided with a hollow button fixing column in an inward protruding manner at a position corresponding to the button, one end of the button is connected with the switch, and the other end of the button passes through the button fixing column to be connected with the inner wall of the soft shell; the hard shell is provided with a first through hole corresponding to the position of the button fixing column, and the button fixing column penetrates through the first through hole.

3. The waterproof bone conduction headset of claim 2, wherein the soft housing is provided with a first protrusion protruding outwards at a position corresponding to the button, and the thickness of the first protrusion is greater than that of the soft housing in other areas of the rear housing assembly.

4. The waterproof bone conduction headset of claim 3, wherein the thickness of the first protrusion is 0.4-2mm.

5. The waterproof bone conduction earphone according to claim 2, wherein the soft shell is provided with a second bulge inwards at a position corresponding to the button, the button fixing column is positioned in the second bulge, and the thickness of the second bulge is 0.2-5mm.

6. The waterproof bone conduction earphone according to claim 2, wherein the button comprises a touch part and a connecting part, the connecting part is fixed in the button fixing column, and the touch part is attached to an opening of the button fixing column;

7. The waterproof bone conduction headset of claim 2, wherein the soft case is provided with a key body at a position connected to the other end of the button.

8. The waterproof bone conduction headset of claim 1, wherein a plurality of positioning posts are arranged in the rear shell assembly, a plurality of positioning holes are formed in the circuit board at corresponding positions, and the positioning posts are matched with the positioning holes.

9. The waterproof bone conduction headset of any one of claims 1-8, wherein a plurality of glue spraying grooves are formed in one surface of the waterproof cover facing away from the circuit board and the key assembly, and glue is poured into the glue spraying grooves and used for sealing the circuit board and the key assembly.

10. The waterproof bone conduction headset of any one of claims 1-8, wherein the front cover assembly is a hard front cover, and the outer surface of the front cover assembly is injection molded with a soft outer layer.