CN219592603U

CN219592603U - Bone conduction loudspeaker and bone conduction earphone

Info

Publication number: CN219592603U
Application number: CN202222881997.9U
Authority: CN
Inventors: 宋忠明; 蔡炳华
Original assignee: Shenzhen Yiyin Technology Co ltd
Current assignee: Shenzhen Yiyin Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-08-25
Anticipated expiration: 2032-10-31

Abstract

The utility model is suitable for the field of earphone equipment, and discloses a bone conduction loudspeaker and a bone conduction earphone, wherein the bone conduction loudspeaker comprises a bone conduction vibration component and a loudspeaker cover body, a connecting cavity is formed in the loudspeaker cover body, the bone conduction vibration component is provided with an end face and an outer peripheral face, and at least one of the end face and the outer peripheral face is fixed with the connecting cavity through adhesive; the bone conduction earphone comprises an ear-hook component and the bone conduction loudspeaker; the ear hook assembly comprises an ear hook shell, a functional circuit board and a main circuit board, wherein the functional circuit board and the main circuit board are arranged in the ear hook shell, and the bone conduction loudspeaker is arranged in the ear hook shell and is electrically connected to the functional circuit board and the main circuit board. The bone conduction vibration component is fixed with the connecting cavity through the adhesive on the end face and/or the outer peripheral face of the bone conduction vibration component, so that the assembly process of the bone conduction vibration component and the connecting cavity is simplified, the bone conduction vibration component can be firstly installed on the loudspeaker cover body, and then the bone conduction vibration component is fixed through the adhesive, so that the influence of the adhesive on the sound quality and the sound volume of the loudspeaker is reduced.

Description

Bone conduction loudspeaker and bone conduction earphone

Technical Field

The utility model relates to the field of earphone equipment, in particular to a bone conduction loudspeaker and a bone conduction earphone.

Background

Bone conduction is a sound conduction mode, namely, sound is converted into mechanical vibration with different frequencies, and sound waves are transmitted through skull, bone labyrinth, inner ear lymph fluid transmission, a screw, auditory nerves and auditory centers of a person; the bone conduction loudspeaker is usually fixed in the loudspeaker cover body with bone conduction vibration subassembly, closes in the ear-hook casing by loudspeaker cover body lid again, realizes the holistic installation of bone conduction earphone.

The bone conduction vibration component and the loudspeaker cover body are assembled by adopting connecting components or through dispensing, in the traditional bone conduction loudspeaker, the bone conduction vibration component and the loudspeaker cover body are assembled and then unstable, and each component of the bone conduction vibration component is easy to be stained with glue, so that the tone quality and the tone volume of the bone conduction loudspeaker are affected.

Disclosure of Invention

The utility model aims at solving at least one of the technical problems in the prior art, and therefore, the utility model provides the bone conduction loudspeaker, which optimizes the fixing structure of the bone conduction vibration component and the loudspeaker cover body, and further improves the tone quality and the tone volume of the bone conduction loudspeaker.

The bone conduction loudspeaker comprises a bone conduction vibration component and a loudspeaker cover body, wherein a connecting cavity is formed in the loudspeaker cover body, the bone conduction vibration component is provided with an outer peripheral surface and an end surface facing the bottom surface of the connecting cavity, and at least one of the outer peripheral surface and the end surface is fixed with the connecting cavity through adhesive.

More specifically, in the above technical solution, the bone conduction vibration component includes a horn circuit board, a coil, a vibration element, and a magnetic field element for generating a magnetic field;

the vibrating element comprises a bracket and an elastic piece arranged at the lower part of the inner side of the bracket, the elastic piece is connected with the magnetic field element, the loudspeaker circuit board is connected with one end of the bracket far away from the elastic piece, one end of the coil is arranged below the loudspeaker circuit board, and the other end of the coil stretches into the magnetic field element;

the bottom surface of the connecting cavity is provided with a concave part, and the end surfaces of the horn circuit board and the bracket are fixed with the bottom surface of the connecting cavity through adhesive.

Further specifically, in the above technical scheme, the upper portion of its side of connection cavity is provided with a plurality of limit buckles, limit buckles are used for limiting bone conduction vibration subassembly.

Further specifically, in the above technical scheme, form first step and second step on the inner circumference of support, the second step is located the top of support inner circumference, first step is located the below of second step, the both ends of loudspeaker circuit board are arranged in on the second step, make the terminal surface of loudspeaker circuit board with the terminal surface of support flushes, first step is used for inlaying and establishes the shell fragment.

Further specifically, in the above technical scheme, the magnetic field element includes first magnetic conduction piece, second magnetic conduction piece, first magnet and second magnet, first magnet with the second magnet is installed on the first magnetic conduction piece, the second magnet is the annular structure just first magnet is located in the inner ring of second magnet, the second magnetic conduction piece is installed the top of first magnet and covers the top of first magnet, the top of second magnet with the shell fragment is connected.

Further specifically, in the above technical scheme, the side surface of the connecting chamber is of a step structure, and the outer peripheral surface of the bone conduction vibration component is fixed with the step structure through adhesive.

Further specifically, in the above technical scheme, the step structure includes a third step and a fourth step that are sequentially arranged from bottom to top, and the outer peripheral surface of the bone conduction vibration component is fixed with the fourth step through adhesive.

More specifically, in the above technical solution, the bone conduction vibration assembly further includes a cover plate and a weight, and the magnetic field element includes a third magnetic conductive sheet, a third magnet, and a U-iron;

one end of the support, which is far away from the elastic sheet, is connected with the horn circuit board through a cover plate, a connecting groove is formed in the top of the cover plate, the horn circuit board is positioned in the connecting groove, and the coil is arranged at the bottom of the cover plate;

the third magnet is arranged in the U-shaped iron, the third magnetic conduction sheet is arranged at the top of the third magnet, the top end of the U-shaped iron is provided with a bending part facing the elastic sheet, the counterweight piece is sleeved on the periphery of the U-shaped iron, one end of the elastic sheet is embedded in the lower part of the inner side of the bracket, and the other end of the elastic sheet is arranged between the bending part and the counterweight piece;

the outer peripheral surface of the bracket is fixed with the fourth step adhesive.

The utility model also proposes a bone conduction headset comprising: an ear-hook assembly and bone conduction speaker of any of the above;

the ear hook assembly comprises an ear hook shell, a functional circuit board and a main circuit board, wherein the functional circuit board and the main circuit board are arranged in the ear hook shell, and the bone conduction loudspeaker is arranged in the ear hook shell and is electrically connected to the functional circuit board and the main circuit board.

More specifically, in the above technical solution, a plurality of connection terminals are provided on the functional circuit board, and the functional circuit board is respectively connected with at least one of a key, a microphone and an indicator lamp through the connection terminals; the end face of the horn circuit board is provided with a plurality of wiring terminals.

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

on one hand, the end face and/or the outer peripheral surface of the bone conduction vibration component are/is fixed with the connecting cavity through the adhesive, so that the stability of the assembly of the bone conduction vibration component and the loudspeaker cover body is improved; after the bone conduction vibration component is assembled with the connecting cavity, the bone conduction vibration component and the connecting cavity are fixed through gluing the bone conduction vibration component and the connecting cavity, so that glue is reduced to be adhered to each element of the bone conduction vibration component, and the tone quality and the tone volume of the bone conduction loudspeaker are further guaranteed.

On the other hand, the utility model provides the bone conduction earphone, and the bone conduction loudspeaker is arranged, so that the quality of the bone conduction earphone is improved, and the audio tone quality of the bone conduction earphone is ensured.

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 a first construction of a bone conduction speaker of the present utility model;

FIG. 2 is a schematic view of a second construction of the bone conduction speaker of the present utility model;

FIG. 3 is a schematic view of a first configuration of the speaker cover of the present utility model;

FIG. 4 is a second schematic view of the speaker cover of the present utility model;

fig. 5 is a central cross-sectional view of a first structure of the bone conduction vibration assembly of the present utility model;

fig. 6 is a first exploded view of a bone conduction vibration assembly according to the present utility model;

FIG. 7 is a second structural center cross-sectional view of the bone conduction vibration assembly of the present utility model;

fig. 8 is a second exploded view of a bone conduction vibration assembly according to the present utility model;

FIG. 9 is a schematic view showing a structure of a bone conduction vibration module according to the present utility model;

fig. 10 is a schematic view showing an exploded structure of the bone conduction headset according to the present utility model;

fig. 11 is a schematic perspective view of a bone conduction headset according to the present utility model.

In the figure: 1. a bone conduction vibration assembly; 101. a horn circuit board; 102. a coil; 103. a bracket; 1031. a first step; 1032. a second step; 104. a spring plate; 1051. a first magnetic conductive sheet; 1052. a second magnetic conductive sheet; 1053. a first magnet; 1054. a second magnet; 1055. a third magnetic conductive sheet; 1056. a third magnet; 1057. u iron; 10571. a bending part; 106. a cover plate; 1061. a connecting groove; 107. a weight member; 2. a horn cover; 201. a connecting chamber; 202. a recessed portion; 203. a limit button; 204. a third step; 205. a fourth step; 301. a left ear-hook assembly; 302. a right ear-hook assembly; 4. an ear-hook housing; 5. a functional circuit board; 6. a main circuit board; 7. a key; 8. a microphone; 9. an indicator light; 10. hanging wires; 11. and a rechargeable battery.

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.

In one aspect, referring to fig. 1 and 2, the present utility model provides a bone conduction speaker, which includes a bone conduction vibration assembly 1 and a speaker cover 2, wherein the speaker cover 2 is formed with a connection chamber 201, the bone conduction vibration assembly 1 has an outer peripheral surface and an end surface facing a bottom surface of the connection chamber 201, and at least one of the outer peripheral surface and the end surface is glued and fixed with the connection chamber 201.

According to the utility model, the end face and/or the peripheral surface of the bone conduction vibration component 1 facing the bottom surface of the connecting cavity 201 is fixed with the connecting cavity 201 by gluing, so that the stability of assembling the bone conduction vibration component 1 and the horn cover body 2 is improved; the bone conduction vibration assembly 1 and the loudspeaker cover body 2 are firstly glued and then assembled and fixed, and the assembly mode ensures that the components in the bone conduction vibration assembly 1 are easy to glue. The above-described adhesive fixation by the outer peripheral surface of the bone conduction vibration module 1 may be used simultaneously with the adhesive fixation by the end surface of the bone conduction vibration module 1.

The end surface of the bone conduction vibration module 1 facing the bottom surface of the connection chamber 201 may include an end surface facing the connection chamber 201 formed by at least one of the horn circuit board 101, the cover plate 106, and the bracket 103 shown in fig. 5, or an end surface facing the connection chamber 201 formed by at least one of the horn circuit board 101 and the bracket 103 shown in fig. 7; the outer circumferential surface of the bone conduction vibration module 1 may include the outer circumferential surface formed by at least one of the bracket 103 and the weight 107 in fig. 5, or the outer circumferential surface formed by at least one of the bracket 103, the second magnet 1054, and the first magnetic sheet 1051 in fig. 7, and preferably, the outer circumferential surface of the bracket 103 is adhesively fixed to the side surface of the connection chamber 201.

Referring to fig. 5 and 7, in some embodiments, the bone conduction vibration assembly 1 includes a horn circuit board 101, a coil 102, a vibration element, and a magnetic field element for generating a magnetic field; the vibrating element comprises a support 103 and a spring piece 104 arranged at the lower part of the inner side of the support 103, the spring piece 104 is connected with the magnetic field element, the loudspeaker circuit board 101 is connected with one end, far away from the spring piece 104, of the support 103, one end of the coil 102 is arranged below the loudspeaker circuit board 101, and the other end extends into the magnetic field element; the bottom surface of the connection chamber 201 is provided with a concave part 202, and the end surfaces of the horn circuit board 101 and the bracket 103 are fixed with the bottom surface of the connection chamber 201 by adhesive.

It can be understood that the speaker circuit board 101 can be directly used as a top cover to be connected with one end of the support 103 far away from the elastic sheet 104, or the speaker circuit board 101 can be arranged on the cover plate 106 and then connected with one end of the support 103 far away from the elastic sheet 104 through the cover plate 106; when the speaker circuit board 101 is directly connected with the bracket 103 as a top cover, one end of the coil 102 may be directly mounted under the speaker circuit board 101, and if the speaker circuit board 101 is disposed on the top surface of the cover 106 and then connected with the bracket 103 through the cover 106, one end of the coil 102 may be mounted on the bottom of the cover 106.

As shown in fig. 7, the speaker circuit board 101 is used as the top cover of the bone conduction vibration module 1, and the voice coil is directly mounted under the circuit board, so that on one hand, the internal electrical structure of the bone conduction vibration module 1 can be simplified, more functional expansion can be conveniently performed, and on the other hand, the whole structure can be made thinner and smaller, the weight of the earphone can be reduced, and the portability of the earphone can be improved.

The soldering points are located on the speaker circuit board 101, so that the soldering points have a certain height, and referring to fig. 4, a recess 202 is disposed on the bottom surface of the connection chamber 201, so that the soldering points on the speaker circuit board 101 can be avoided, and the conducting effect of the circuit of the speaker circuit board 101 can be ensured.

In some embodiments, referring to fig. 4, a plurality of limit buckles 203 are disposed on the upper portion of the side surface of the connection chamber 201, and the limit buckles 203 are used for limiting the bone conduction vibration component 1.

After the bone conduction vibration assembly 1 is assembled in the connection chamber 201 and fixed by dispensing, the bone conduction vibration assembly 1 can be further reinforced by the limit buckle 203, preferably, the limit buckle 203 is a flexible limit buckle, for example, made of rubber materials, so that the bone conduction vibration assembly 1 is convenient to be installed in the connection chamber 201.

In some embodiments, referring to fig. 7 and 8, a first step 1031 and a second step 1032 are formed on the inner circumference of the support 103, the second step 1032 is located at the top of the inner circumference of the support 103, the first step 1031 is located below the second step 1032, two ends of the horn circuit board 101 are placed on the second step 1032, so that the end face of the horn circuit board 101 is flush with the end face of the support 103, and the first step 1031 is used for embedding the spring plate 104.

The end face of the loudspeaker circuit board 101 is flush with the end face of the support 103, and the end faces of the loudspeaker circuit board and the support are fixed with the bottom surface of the connecting cavity 201 through glue, so that uniform distribution of glue can be ensured, and the stability of the glue is improved.

The elastic sheet 104 is embedded in the first step 1031, and the elastic sheet 104 is connected with the magnetic field element, so that the consistency of the vibration sheet component can be ensured, and the bone conduction vibration component 1 is thinner in design.

The heights of the first step 1031 and the second step 1032 can be adjusted according to the use situation, for example, the step height is increased, and the distance between the horn circuit board 101 and the magnetic field element is increased, that is, the depth of the coil 102 extending between the magnets is reduced.

In some embodiments, referring to fig. 7-8, the magnetic field element includes a first magnetic sheet 1051, a second magnetic sheet 1052, a first magnet 1053, and a second magnet 1054, the first magnet 1053 and the second magnet 1054 are mounted on the first magnetic sheet 1051, the second magnet 1054 is in a ring structure, the first magnet 1053 is located in an inner ring of the second magnet 1054, the second magnetic sheet 1052 is mounted on top of the first magnet 1053 and covers the top of the first magnet 1053, and the top of the second magnet 1054 is connected with the spring sheet 104.

In this embodiment, two magnets are used to form the magnetic path, and the improved magnetic field element is composed of a plurality of magnets and a plurality of magnetic conductive sheets, so as to provide sufficient magnetic flux distribution, enhance the magnetic performance of the small-sized magnetic assembly, improve the sensitivity of the bone conduction speaker, and increase the output power of vibration and sound.

In some embodiments, as shown in fig. 3, the side surface of the connection chamber 201 is in a step structure, the outer peripheral surface of the bone conduction vibration component 1 is fixed with the step structure by glue, and the step structure can facilitate glue infiltration and improve the glue effect.

In some embodiments, as shown in fig. 3, the stepped structure includes a third step 204 and a fourth step 205 sequentially disposed from bottom to top, and the outer circumferential surface of the bone conduction vibration component 1 is adhesively fixed to the fourth step 205. If the third step 204 is glued and fixed, the bone conduction vibration assembly 1 needs to be glued respectively before being assembled with the connecting cavity 201, and the glue is easy to enter the bone conduction vibration assembly 1 in the mode, so that the tone quality and the sound volume of the bone conduction speaker are affected; as shown in fig. 1, after the bone conduction vibration assembly 1 is assembled with the connection chamber 201, a first space exists between the outer peripheral surface of the bone conduction vibration assembly 1 and the fourth step 205, and the bone conduction vibration assembly 1 and the connection chamber 201 are fixed by adhesive in the space, so that the influence of the adhesive on the tone quality and the sound volume of the bone conduction speaker is reduced.

In some embodiments, referring to fig. 5-6, bone conduction vibration assembly 1 further includes a cover plate 106 and a weight 107, and the magnetic field element includes a third magnetically permeable sheet 1055, a third magnet 1056, and a U-iron 1057; one end of the support 103, which is far away from the elastic sheet 104, is connected with the horn circuit board 101 through the cover plate 106, a connecting groove 1061 is formed in the top of the cover plate 106, the horn circuit board 101 is positioned in the connecting groove 1061, and the coil 102 is arranged at the bottom of the cover plate 106; the third magnet 1056 is arranged in the U-shaped iron 1057, the third magnetic conduction sheet 1055 is arranged at the top of the third magnet 1056, the top end of the U-shaped iron 1057 is provided with a bending part 10571 facing the elastic sheet 104, the counterweight 107 is sleeved on the periphery of the U-shaped iron 1057, one end of the elastic sheet 104 is embedded at the lower part of the inner side of the bracket 103, and the other end is arranged between the bending part 10571 and the counterweight 107; the outer peripheral surface of the bracket 103 is adhesively fixed to the fourth step 205.

As shown in fig. 5 and fig. 5, in this embodiment, the bone conduction vibration module 1 is placed in the connection chamber 201, and can be fixed by gluing the outer peripheral surface of the bracket 103 and the fourth step 205, so as to reduce the influence of glue on the sound quality and volume of the bone conduction speaker.

The weight 107 may be cylindrical and sleeved on the periphery of the U-shaped iron 1057, and the weight 107 may be a metal or ceramic member, specifically, may be an iron ring; it will be appreciated that in other embodiments, the weight 107 may not be limited to a metal or ceramic piece; the weight 107 may be configured with different weights depending on the product family to provide a different wearing experience of the bone conduction headset.

Referring to fig. 10-11, the present utility model further provides a bone conduction headset, comprising: an ear-hook assembly and bone conduction speaker of any of the above; the ear-hook assembly comprises an ear-hook shell 4, a functional circuit board 5 and a main circuit board 6, wherein the functional circuit board 5 and the main circuit board 6 are arranged in the ear-hook shell 4, and the bone conduction loudspeaker is electrically connected to the functional circuit board 5 and the main circuit board 6.

The ear-hanging component can comprise a left ear-hanging component 301 and a right ear-hanging component 302 which have the same basic structure, bone conduction horns of any one of the above-mentioned components are arranged in the left ear-hanging component 301 and the right ear-hanging component 302, the left ear-hanging component 301 and the right ear-hanging component 302 can be connected through a hanging wire 10, the hanging wire 10 can be made of steel wires, and a wire for communicating the circuits of the left ear-hanging component 301 and the right ear-hanging component 302 is arranged in the hanging wire 10; the main circuit board 6 is installed in the right ear-hook assembly 302, and the rechargeable battery 11 is disposed in the left ear-hook assembly 301, and the rechargeable battery 11 can be connected with the main circuit board 6 of the right ear-hook assembly 302 through a soft circuit and a wire.

In some embodiments, a plurality of connection terminals are arranged on the functional circuit board 5, and the functional circuit board 5 is respectively connected with at least one of the key 7, the microphone 8 and/or the indicator lamp 9 through the connection terminals; the end face of the horn circuit board 101 is provided with a plurality of connection terminals.

The right ear-hook assembly 302 includes a key 7, a functional circuit board 5, a microphone 8 and an indicator light 9. The functional circuit board 5 is respectively connected with at least one of the key 7, the microphone 8 and the indicator lamp 9 through connection terminals, the functional circuit board 5 is electrically connected to the speaker circuit board 101 of the bone conduction speaker in the right ear-hook assembly 302, and the speaker circuit board 101 is electrically connected to the main circuit board 6 through connection wires. It should be noted that the left ear hook assembly 301 may also include the above elements, which are connected in the same manner, and thus will not be described in detail.

As shown in fig. 9, the end face of the speaker circuit board 101 is provided with a plurality of connection terminals, and the side of the bracket 103 is provided with a wiring groove at a position close to the connection terminals. In this embodiment, the horn circuit board 101 is provided with four connection terminals, namely, a terminal a, a terminal b, a terminal c and a terminal d, wherein the terminal a and the terminal b are used as positive and negative poles to be connected with the main circuit board 6, and the terminal c and the terminal d are used as positive and negative poles to be connected with the corresponding functional circuit boards 5.

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. A bone conduction speaker, comprising: the bone conduction vibration assembly and the loudspeaker cover body are characterized in that a connecting cavity is formed in the loudspeaker cover body, the bone conduction vibration assembly is provided with an outer peripheral surface and an end surface facing the bottom surface of the connecting cavity, and at least one of the outer peripheral surface and the end surface is fixed with the connecting cavity through adhesive.

2. The bone conduction speaker of claim 1, wherein the bone conduction vibration assembly comprises a speaker circuit board, a coil, a vibration element, and a magnetic field element for generating a magnetic field;

3. The bone conduction speaker of claim 2, wherein the upper portion of the side surface of the connection chamber is provided with a plurality of limit buckles, and the limit buckles are used for limiting the bone conduction vibration component.

4. A bone conduction speaker according to any one of claims 2 to 3, wherein a first step and a second step are formed on an inner circumference of the bracket, the second step is located at a top of the inner circumference of the bracket, the first step is located below the second step, two ends of the speaker circuit board are placed on the second step so that an end face of the speaker circuit board is flush with an end face of the bracket, and the first step is used for embedding the elastic sheet.

5. The bone conduction speaker of claim 4, wherein the magnetic field element comprises a first magnetic conductive sheet, a second magnetic conductive sheet, a first magnet, and a second magnet, the first magnet and the second magnet being mounted on the first magnetic conductive sheet, the second magnet being of a ring-like structure and the first magnet being located in an inner ring of the second magnet, the second magnetic conductive sheet being mounted on top of the first magnet and covering a top of the first magnet, the top of the second magnet being connected to the spring.

6. The bone conduction speaker according to claim 2, wherein the connecting chamber has a stepped structure on a side surface thereof, and the outer circumferential surface of the bone conduction vibration component is adhesively fixed to the stepped structure.

7. The bone conduction speaker according to claim 6, wherein the stepped structure includes a third step and a fourth step which are sequentially provided from bottom to top, and an outer circumferential surface of the bone conduction vibration component is adhesively fixed to the fourth step.

8. The bone conduction speaker of claim 7, wherein the bone conduction vibration assembly further comprises a cover plate and a weight, the magnetic field element comprising a third magnetic conductive sheet, a third magnet, and U-iron;

9. A bone conduction headset, comprising: an ear-hook assembly and bone conduction speaker according to any one of claims 2-8;

10. The bone conduction headset of claim 9, wherein the bone conduction device comprises a bone conduction device,

the functional circuit board is provided with a plurality of connecting terminals, and the functional circuit board is respectively connected with at least one of a key, a microphone and an indicator lamp through the connecting terminals.