CN216391367U

CN216391367U - Osteoacusis sound generating mechanism and osteoacusis earphone

Info

Publication number: CN216391367U
Application number: CN202122506669.6U
Authority: CN
Inventors: 徐平
Original assignee: Shenzhen Langfan Innovation Technology Co ltd
Current assignee: Shenzhen Langfan Innovation Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-26
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a bone conduction sound production device, comprising: the vibration piece and the vibrator are arranged in the shell; the vibrating piece comprises a vibrating piece body, and the vibrating piece body is connected with the vibrator; a cavity matched with the vibrating piece body is formed in the shell, and the vibrating piece body is arranged in the cavity and is not contacted with the inner wall of the shell; the outer edge of the vibrating piece body is provided with at least two wing parts, and the vibrating piece body is connected with the shell through the wing parts. The utility model also discloses a bone conduction earphone, which realizes the connection of the vibrating piece body and the shell through the wing part, and the vibrating piece body is not contacted with the shell. From this one, when guaranteeing that the piece that shakes is fixed with the casing, reduced the area of contact of the piece that shakes with the casing to effectively reduced the casing and to the suppression of the piece amplitude that shakes, be favorable to converting the mechanical energy of electric energy into oscillator vibration, thereby improved bone conduction sound generating mechanism's efficiency conversion efficiency.

Description

Osteoacusis sound generating mechanism and osteoacusis earphone

Technical Field

The utility model relates to the technical field of bone conduction sound transmission, in particular to a bone conduction sound production device and a bone conduction earphone.

Background

Bone conduction is a sound conduction mode, that is, sound is converted into mechanical vibration with different frequencies, and sound waves are transmitted through the skull, the bone labyrinth, the lymph fluid of the inner ear, the spiral organ and the auditory center of a human body. The vibrator is a core component of the bone conduction sound production device and is used for converting an electric signal into a mechanical signal and generating mechanical vibration to output sound.

In the bone conduction sound production device, the vibrator is connected with the shell through the vibrating piece, and the vibrating piece can be set to be a metal elastic piece, so that the vibrator can vibrate and produce sound in the shell. In the prior art, when the vibrating piece is connected with the shell, the vibration amplitude of the vibrating piece can be inhibited by the shell, so that the vibration amplitude of the vibrator is reduced. The electric energy is not converted into the mechanical energy of the vibrator vibration, so that the energy efficiency conversion efficiency of the bone conduction sound production device is low.

Therefore, the above problems in the prior art have yet to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a bone conduction sound generating device and a bone conduction earphone, and aims to solve the problem that the vibration amplitude of a vibrator is limited due to the fact that the amplitude of a vibrating piece of the bone conduction sound generating device is suppressed by a shell.

In order to achieve the above object, a first aspect of the present invention provides a bone conduction sound generating device, including a housing, and a vibrating piece and a vibrator disposed in the housing; the vibrating piece comprises a vibrating piece body, and the vibrating piece body is connected with the vibrator; a cavity matched with the vibrating piece body is formed in the shell, and the vibrating piece body is arranged in the cavity and is not contacted with the inner wall of the shell; at least two wing parts are formed on the outer edge of the vibrating piece body, and the vibrating piece body is connected with the shell through the wing parts.

Preferably, the inner wall of the housing is formed with a mounting notch, and the wing portion extends into the mounting notch and is fixed in the mounting notch.

Preferably, the housing comprises an upper shell and a lower shell, wherein the upper shell and the lower shell enclose the cavity; the mounting notch is formed at a seam between the upper shell and the lower shell, and the wing part is connected with at least one of the upper shell or the lower shell.

Preferably, a first groove is formed on the outer edge of the upper shell, a second groove is formed on the outer edge of the lower shell, and the shapes of the first groove and the second groove are respectively matched with the wing part; the first groove and the second groove enclose the mounting notch, and the wing part is connected with the bottom wall of the first groove and/or the second groove.

Preferably, the wing is welded with at least one of the upper case or the lower case; alternatively, the wing part is fixed with at least one of the upper case or the lower case by glue.

Preferably, at least one of the upper shell or the lower shell is provided with a positioning column in the mounting notch; the wing part is provided with a through hole matched with the positioning column, and the wing part is sleeved on the positioning column through the through hole.

Preferably, the positioning column is provided with a clamping groove for clamping the wing part.

Preferably, the vibrator is provided as a magnet, and the magnet is provided on the vibrating piece; and a coil is arranged in the position corresponding to the magnet in the shell and is used for driving the magnet to vibrate.

Preferably, the vibrator is provided as a coil, and the coil is provided on the vibrating piece; and a magnet is arranged in the position corresponding to the coil in the shell and is used for driving the coil to vibrate.

A second aspect of the present invention provides a bone conduction headset, including a headset housing and a bone conduction sound generating device as described in the first aspect or any one of the preferable implementations of the first aspect, where the bone conduction sound generating device is disposed on the headset housing.

The technical scheme of the utility model provides a bone conduction sound production device, which comprises: the vibration piece and the vibrator are arranged in the shell; the vibrating piece comprises a vibrating piece body, and the vibrating piece body is connected with the vibrator; a cavity matched with the vibrating piece body is formed in the shell, and the vibrating piece body is arranged in the cavity and is not contacted with the inner wall of the shell; the outer edge of the vibrating piece body is provided with at least two wing parts, and the vibrating piece body is connected with the shell through the wing parts. The connection of the vibrating piece body and the shell is realized through the wing part, and the vibrating piece body is not contacted with the shell. From this one, when guaranteeing that the piece that shakes is fixed with the casing, reduced the area of contact of the piece that shakes with the casing to effectively reduced the casing and to the suppression of the piece amplitude that shakes, be favorable to converting the mechanical energy of electric energy into oscillator vibration, thereby improved bone conduction sound generating mechanism's efficiency conversion efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a perspective view of a bone conduction sound-generating device provided by the present invention;

fig. 2 is an exploded view of an angle of the bone conduction sound generator provided by the present invention;

fig. 3 is an exploded view of another angle of the bone conduction sound generator provided by the present invention;

fig. 4 is a top view of the bone conduction sound generator of the present invention with the vibrating plate disposed on the lower case;

fig. 5 is a cross-sectional view of a bone conduction sound generator provided by the present invention;

fig. 6 is an exploded sectional view of a bone conduction headset according to the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Shell body	200	Vibrating sheet
300	Vibrator	210	Vibrating sheet body
				220	Wing part	110	Upper casing
120	Lower casing	111	The first groove
				121	Second groove	400	Positioning column
221	Through hole	101	Coil
				301	Magnet body	10	Earphone shell
20	Bone conduction sound production device

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

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment 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 such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the bone conduction sound production device, the vibrator is connected with the shell through the vibrating piece, and the vibrating piece can be set to be a metal elastic piece, so that the vibrator can vibrate and produce sound in the shell. At present, when the vibrating piece is connected with the shell, the vibration amplitude of the vibrating piece can be inhibited by the shell, so that the vibration amplitude of the vibrator is reduced. The electric energy is not converted into the mechanical energy of the vibrator vibration, so that the energy efficiency conversion efficiency of the bone conduction sound production device is low.

Therefore, for solving the above-mentioned problem, this application embodiment provides a bone conduction sound generating mechanism, through set up the alar part on the piece body that shakes for the piece that shakes passes through the alar part and is connected with the casing, thereby solves among the bone conduction sound generating mechanism the amplitude of the piece that shakes and is restrained by the casing, leads to the limited problem of oscillator vibration amplitude.

For the sake of understanding, the bone conduction sound production device provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, fig. 1 is a perspective view of a bone conduction sound-generating device according to an embodiment of the present application;

fig. 2 is an exploded view of an angle of a bone conduction sound generator provided by an embodiment of the present application; fig. 3 is an exploded view of another angle of the bone conduction sound generator provided in the embodiment of the present application. As shown in fig. 1 to 3, a bone conduction sound generating device provided by an embodiment of the present application includes: a housing 100, and a vibrating piece 200 and a vibrator 300 disposed in the housing 100; the vibrating piece 200 comprises a vibrating piece body 210, and the vibrating piece body 210 is connected with the vibrator 300; a cavity matched with the vibrating piece body 210 is formed in the shell 100, and the vibrating piece body 210 is arranged in the cavity and is not contacted with the inner wall of the shell 100; at least two wing portions 220 are formed at the outer edge of the diaphragm body 210, and the diaphragm body 210 is connected to the housing 100 through the wing portions 220.

In this embodiment, the vibrating plate 200 is optionally a metal vibrating plate. The diaphragm 200 includes a diaphragm body 210 and a wing part 220, and the diaphragm body 210 itself does not contact the housing 100 by forming at least two wing parts 220 at an outer edge of the diaphragm body 210 so that the connection between the diaphragm body 210 and the housing 100 is achieved by the wing parts 220. Therefore, while the fixation of the vibrating piece 200 and the shell 100 is ensured, the contact area between the vibrating piece 200 and the shell 100 is fully reduced, so that the inhibition of the shell 100 on the amplitude of the vibrating piece 200 is effectively reduced, the electric energy is favorably converted into the mechanical energy of the vibration of the vibrator 300, and the energy efficiency conversion efficiency of the bone conduction sound production device is improved.

It should be noted that the wing 220 can be fixedly connected to the housing 100 in various ways, and this embodiment of the present application is not limited thereto, and for convenience of understanding, a preferred way of the embodiment will be described in detail below, but this does not limit the specific implementation of the embodiment of the present application.

Alternatively, the inner wall of the housing 100 is formed with a mounting notch, and the wing part 220 extends into the mounting notch and is fixed therein.

In this embodiment, the installation notch is formed on the inner wall of the housing 100, so that the installation notch forms a space for installing the wing part 220, and the wing part 220 extends into the installation notch and is fixedly connected with the installation notch. In this way, the housing 100 increases a contact area with the wing 220 through the mounting gap, thereby increasing a degree of stability of the connection between the housing 100 and the wing 220.

Optionally, as shown in fig. 1 to 3, the housing 100 includes an upper shell 110 and a lower shell 120, wherein the upper shell 110 and the lower shell 120 enclose a cavity; the mounting notches are formed at the seams of the upper case 110 and the lower case 120, and the wing parts 220 are coupled to at least one of the upper case 110 or the lower case 120.

In this embodiment, the upper casing 110 and the lower casing 120 enclose a complete casing 100, wherein a cavity in the casing 100 is also enclosed by the upper casing 110 and the lower casing 120, and the installation gap is formed at a seam between the upper casing 110 and the lower casing 120, so that when the wing part 220 extends into the installation gap, the wing part 220 is connected with at least one of the upper casing 110 or the lower casing 120, thereby realizing the connection between the wing part 220 and the casing 100. Meanwhile, when the wing part 220 is connected to the housing 100, the diaphragm body 210 is located in a cavity surrounded by the upper case 110 and the lower case 120, so that the diaphragm body 210 can vibrate in the cavity.

Further, referring to fig. 1 to 5, fig. 4 is a top view of the bone conduction sound-generating device provided by the embodiment of the present application, wherein the vibrating plate is disposed on the lower shell; fig. 5 is a cross-sectional view of a bone conduction sound generator provided in an embodiment of the present application. As shown in fig. 1 to 5, in order to form a mounting gap at a seam of the upper case 110 and the lower case 120, as shown in fig. 3, a first groove 111 is formed at an outer edge of the upper case 110, as shown in fig. 2, a second groove 121 is formed at an outer edge of the lower case 120, and optionally, the first groove 111 corresponds to a position of the second groove 121. Therefore, when the upper shell 110 and the lower shell 120 enclose the housing 100, the first groove 111 and the second groove 121 at the joint enclose an installation gap.

Furthermore, the first groove 111 and the second groove 121 are respectively shaped to fit the wing 220, and when the wing 220 extends into the installation gap, the wing 220 is connected to the bottom wall of the first groove 111 and/or the second groove 121.

In this embodiment, the mounting notch is defined by a first groove 111 disposed at the outer edge of the upper case 110 and a second groove 121 disposed at the outer edge of the lower case 120. Meanwhile, the shapes of the first groove 111 and the second groove 121 are respectively matched with the wing 220, and when the wing 220 extends into the installation gap, the wing 220 can be embedded into the first groove 111 and/or the second groove 121, so that the contact area of the wing 220 and the housing 100 is further increased, and the connection stability is improved. Further, the wing 220 is connected with the bottom wall of the first groove 111 and/or the second groove 121. Thereby achieving a fixed connection of the wing part 220 with the mounting notch.

It should be noted that the wing 220 may be fixed to at least one of the upper shell 110 or the lower shell 120 in various ways after being inserted into the installation gap. By way of example, several ways of securing the wings 220 to the housing 100 are listed below.

Mode 1, the wing 220 is welded with at least one of the upper case 110 or the lower case 120.

Mode 2, the wing 220 is fixed with at least one of the upper case 110 or the lower case 120 by glue.

In this embodiment, the wing 220 is fixed to at least one of the upper casing 110 or the lower casing 120 by welding, injection molding or glue fixing, and the upper casing 110 is fixed to the lower casing 120. Thus, the upper case 110, the lower case 120 and the vibrating plate 200 are fixed together. Since the wing parts 220 are in sufficient contact with the housing 100 and further fixed by any one of the above two methods, the vibrating plate 200 is stably fixed in the cavity.

Further, referring to fig. 2 to 5, as shown in fig. 2 to 5, at least one of the upper shell 110 or the lower shell 120 has a positioning column 400 formed in the mounting notch; the wing portion 220 is formed with a through hole 221 adapted to the positioning post 400, and the wing portion 220 is sleeved on the positioning post 400 through the through hole 221.

In this embodiment, a positioning column 400 is formed in the installation gap, and a through hole 221 is formed on the wing portion 220, so that the wing portion 220 can be sleeved on the positioning column 400 through the through hole 221. Therefore, the strength of the connection between the wing 220 and the housing 100 is greatly enhanced by the positioning column 400, and the connection between the wing 220 and the housing 100 is not loosened by the vibration of the vibrating piece 200.

Furthermore, the positioning post 400 is provided with a slot (not shown) for holding the wing part 220.

In this embodiment, the positioning column 400 is provided with a clamping groove, so that the wing portion 220 sleeved on the positioning column 400 can be clamped by the clamping groove, and the wing portion 220 is prevented from moving relative to the positioning column 400, thereby further enhancing the connection stability between the wing portion 220 and the housing 100.

In the bone conduction sound production device provided in the embodiment of the present application, the vibrating piece 200 is connected to the housing 100 through the wing portions 220, and the vibrating piece body 210 is not in contact with the housing 100, so that the contact area between the vibrating piece 200 and the housing 100 is reduced, and the degree of suppression of the vibration amplitude of the vibrating piece 200 by the housing 100 is reduced. The amplitude of the oscillator 300 is improved, and therefore the purpose of improving energy efficiency conversion efficiency is achieved. The vibrator 300 may be realized in various ways to realize vibration, and for convenience of understanding, the following description will be made by way of example.

Mode 1, referring to fig. 2 and 5, as shown in fig. 2 and 5, a vibrator 300 is provided as a magnet 301, and the magnet is provided on a vibrating piece 200; a coil 101 is provided in the housing 100 at a position corresponding to the magnet, and the coil 101 is used to drive the magnet 301 to vibrate.

In this embodiment, the coil 101 disposed on the housing 100 is connected to a power supply, and when the coil 101 is energized, the magnet 301 moves relative to the coil 101 according to the principle of electromagnetic induction, and the coil 101 is fixed on the housing 100, so that the magnet 301 can drive the vibrating plate 200 to vibrate.

Mode 2, the vibrator 300 is provided as a coil, and the coil is provided on the vibrating piece 200; a magnet for driving the coil vibration is provided in the housing 100 at a position corresponding to the coil.

In this embodiment, the coil disposed on the vibrating plate 200 is connected to the power supply, and when the coil is powered on, the coil moves relative to the magnet according to the principle of electromagnetic induction, and the magnet is fixed on the housing 100, so that the coil can drive the vibrating plate 200 to vibrate. In this embodiment, by means 1 and 2, the coil and the magnet can move relative to each other when energized according to the principle of electromagnetic induction between the coil and the magnet. One of the coil or the magnet is used as the vibrator 300, so that the vibrator 300 can drive the vibrating piece 200 to vibrate.

To sum up, the bone conduction sound generating device that this application embodiment provided, its characterized in that includes: the vibration piece and the vibrator are arranged in the shell; the vibrating piece comprises a vibrating piece body, and the vibrating piece body is connected with the vibrator; a cavity matched with the vibrating piece body is formed in the shell, and the vibrating piece body is arranged in the cavity and is not contacted with the inner wall of the shell; the outer edge of the vibrating piece body is provided with at least two wing parts, and the vibrating piece body is connected with the shell through the wing parts. The outer edge of the vibrating piece body forms at least two wing parts, so that the vibrating piece body is connected with the shell through the wing parts, and the vibrating piece body is not contacted with the shell. Therefore, when the vibration piece is fixed with the shell, the contact area of the vibration piece and the shell is fully reduced, the suppression of the shell to the vibration piece amplitude is effectively reduced, the electric energy is converted into the mechanical energy of vibrator vibration, and the energy efficiency conversion efficiency of the bone conduction sound production device is improved.

The bone conduction sound generating device provided by the embodiment of the present application is described in detail above, and further, the embodiment of the present application also provides a bone conduction headset.

Referring to fig. 6, fig. 6 is an exploded cross-sectional view of a bone conduction headset according to an embodiment of the present disclosure, and as shown in fig. 6, the bone conduction headset according to the embodiment of the present disclosure includes a headset case 10 and a bone conduction sound generating device 20, where the bone conduction sound generating device 20 is disposed on the headset case 10, and optionally, at least a partial region of an outer surface of the headset case 10 is provided with a soft cushion layer, so as to improve a comfort level of a user wearing the headset.

The bone conduction sound generating device provided in the embodiments of the present application is the bone conduction sound generating device, and the specific structure thereof is described in the foregoing, and is not described herein again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A bone conduction sound generating device, comprising: the vibration piece and the vibrator are arranged in the shell; wherein the content of the first and second substances,

the vibrating piece comprises a vibrating piece body, and the vibrating piece body is connected with the vibrator;

a cavity matched with the vibrating piece body is formed in the shell, and the vibrating piece body is arranged in the cavity and is not contacted with the inner wall of the shell;

the outer edge of the vibrating piece body is provided with at least two wing parts, and the vibrating piece body is connected with the shell through the wing parts.

2. The bone conduction sound generator of claim 1, wherein the inner wall of the housing is formed with a mounting notch, and the wing portion extends into the mounting notch and is fixed therein.

3. The bone conduction sound generator of claim 2, wherein the housing comprises an upper shell and a lower shell, wherein the upper shell and the lower shell enclose the cavity;

the mounting notch is formed at a seam between the upper case and the lower case, and the wing is connected to at least one of the upper case or the lower case.

4. The bone conduction sound-producing device according to claim 3, wherein a first groove is formed on the outer edge of the upper shell, a second groove is formed on the outer edge of the lower shell, and the first groove and the second groove are respectively matched with the wing portions in shape;

the first groove and the second groove enclose the mounting notch, and the wing part is connected with the bottom wall of the first groove and/or the second groove.

5. The bone conduction sound emitting apparatus of claim 3,

the wing part is welded with at least one of the upper case or the lower case; alternatively, the first and second electrodes may be,

the wing part is fixed with at least one of the upper case or the lower case by glue.

6. The bone conduction sound generator of claim 3, wherein at least one of the upper shell or the lower shell has a positioning post formed within the mounting notch;

the wing part is provided with a through hole matched with the positioning column, and the wing part is sleeved on the positioning column through the through hole.

7. The bone conduction sound-producing device according to claim 6, wherein the positioning column is provided with a slot for holding the wing.

8. The bone conduction sound generator of any one of claims 1 to 7, wherein the vibrator is provided as a magnet, and the magnet is provided on the vibrator;

and a coil is arranged in the position, corresponding to the magnet, in the shell and used for driving the magnet to vibrate.

9. The bone conduction sound production device according to any one of claims 1 to 7, wherein the vibrator is provided as a coil, and the coil is provided on the vibrator;

and a magnet is arranged in the shell corresponding to the coil and used for driving the coil to vibrate.

10. A bone conduction headset, comprising a headset housing and the bone conduction sound-generating device as claimed in any one of claims 1 to 9, wherein the bone conduction sound-generating device is disposed on the headset housing.