CN210868164U

CN210868164U - Bone conduction speaker and bone conduction earphone

Info

Publication number: CN210868164U
Application number: CN201922499021.3U
Authority: CN
Inventors: 李永坚; 张磊
Original assignee: Shenzhen Voxtech Co Ltd
Current assignee: Shenzhen Voxtech Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-26
Anticipated expiration: 2029-12-31

Abstract

The application discloses a bone conduction speaker and a bone conduction earphone, wherein the bone conduction speaker comprises a shell, a driving mechanism, a bracket and a cover body, wherein the shell is defined with an accommodating space with an opening at one side, and the driving mechanism is accommodated in the accommodating space and used for generating a vibration signal; the support is arranged on one side of the driving mechanism facing the opening and connected with the driving mechanism and used for transmitting vibration signals, wherein at least one receiving groove is formed in the support, the cover body is arranged on one side of the support far away from the driving mechanism and buckled with the shell at the opening and used for further transmitting the vibration signals transmitted by the support to the skin of a human body, at least one supporting rib corresponding to the receiving groove is arranged on one side of the cover body facing the support, and when the cover body is buckled with the shell, each supporting rib extends into the corresponding receiving groove and is abutted against the bottom wall of the corresponding receiving groove. Through the mode, the strength of the support can be improved, and the stability of the bone conduction loudspeaker is further improved.

Description

Bone conduction speaker and bone conduction earphone

Technical Field

The present application relates to a speaker, and more particularly, to a bone conduction speaker and a bone conduction earphone.

Background

Generally, a person can hear sound because air transmits vibration to the eardrum through the external ear canal, and the vibration formed through the eardrum drives the auditory nerve of the person, thereby sensing the vibration of the sound. The bone conduction technology can realize the transmission to the auditory nerve of a person through the skin, subcutaneous tissues and bones of the person, so that the person can hear the sound.

With the development of bone conduction technology, speakers based on bone conduction technology, such as earphones, MP3, etc., gradually come into the field of view of the public. The bone conduction speaker is popular among consumers because of its advantages such as openness and no damage to the tympanic membrane.

SUMMERY OF THE UTILITY MODEL

The application provides a bone conduction speaker and bone conduction earphone can improve the intensity of support, and then improves bone conduction speaker's stability.

In order to solve the above technical problem, the present application provides a bone conduction speaker, including: the shell is defined with an accommodating space with an opening at one side; the driving mechanism is accommodated in the accommodating space and used for generating a vibration signal; the bracket is arranged on one side, facing the opening, of the driving mechanism, is connected with the driving mechanism and is used for transmitting the vibration signal, and at least one receiving groove is formed in the bracket; the cover body is arranged on one side of the support far away from the driving mechanism, buckled with the shell at the opening and used for further transmitting the vibration signal transmitted by the support to the skin of a human body, wherein one side of the cover body facing the support is provided with at least one supporting rib corresponding to the receiving groove, and when the cover body is buckled with the shell, each supporting rib extends into the corresponding receiving groove and is abutted against the bottom wall of the corresponding receiving groove.

For solving above-mentioned technical problem, this application still provides a bone conduction earphone, bone conduction earphone includes two bone conduction speakers, hangs after two ear-hangs and one, two bone conduction speakers respectively with the one end of two ear-hangs is connected, two ear-hangs are used for hanging respectively and establish on user's left ear and auris dextra, the other end of two ear-hangs respectively with the both ends of back-hanging are connected, the back-hanging is used for around establishing user's brain is back, wherein, bone conduction speaker be as above bone conduction speaker.

The beneficial effect of this application is: different from the situation of the prior art, the bone conduction speaker comprises a shell, a driving mechanism, a bracket and a cover body, wherein the shell is defined with an accommodating space with an opening at one side, and the driving mechanism is accommodated in the accommodating space and used for generating a vibration signal; the support is arranged on one side, facing the opening, of the driving mechanism and is connected with the driving mechanism and used for transmitting vibration signals, at least one receiving groove is formed in the support, the cover is arranged on one side, far away from the driving mechanism, of the support and buckled with the shell at the opening and used for further transmitting the vibration signals transmitted by the support to human skin, at least one supporting rib corresponding to the receiving groove is arranged on one side, facing the support, of the cover, when the cover is buckled with the shell, each supporting rib extends into the corresponding receiving groove and is abutted against the bottom wall of the corresponding receiving groove, the strength of the support can be improved due to the arrangement of the supporting ribs, certain protection effect is achieved on the support, damage to the support caused by the vibration signals and the like is reduced, and the stability of the bone conduction loudspeaker is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

fig. 1 is a schematic structural diagram of an embodiment of a bone conduction headset according to the present application;

fig. 2 is an exploded view of a perspective of an embodiment of the bone conduction speaker of the present application;

fig. 3 is an exploded view of another perspective of an embodiment of the bone conduction speaker of the present application;

FIG. 4 is a schematic partial structure diagram of an embodiment of a bone conduction speaker according to the present application;

fig. 5 is another partial structural diagram of an embodiment of the bone conduction speaker according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a bone conduction earphone according to the present application. The bone conduction earphone in this embodiment may be a simple earphone, or may be other devices having an earphone function, such as a bone conduction MP3, a bone conduction player, a bone conduction hearing aid, and the like.

The bone conduction headset may include two bone conduction speakers 100, two ear-hooks 200, and a rear-hook 300.

The two bone conduction speakers 100 are respectively connected to one ends of the two ear loops 200, the two ear loops 200 are respectively configured to be hooked on the left ear and the right ear of the user, the other ends of the two ear loops 200 are respectively connected to two ends of the rear loop 300, and the rear loop 300 is configured to be wound around the back of the brain of the user. When the user wears the bone conduction earphone, the rear hanger 300 is wound on the back of the brain, and the two ear hangers 200 are respectively hung on the left ear and the right ear, so that the two bone conduction speakers 100 are respectively arranged at the preset positions around the ears of the user and are in contact with the user.

Specifically, referring to fig. 2 to 5, the bone conduction speaker may include a housing 10, a driving mechanism 20, a bracket 30, a cover 40, and the like.

Specifically, the housing 10 defines an accommodating space 12 with an opening 11 at one side, and the driving mechanism 20 is accommodated in the accommodating space 12 and is configured to generate a vibration signal, specifically, by receiving a certain audio signal, convert the audio signal into a vibration signal; the bracket 30 may be disposed on a side of the driving mechanism 20 facing the opening 11, and connected to the driving mechanism 20, for transmitting the vibration signal generated by the driving mechanism 20 to the cover 40; the cover 40 is further disposed on a side of the bracket 30 away from the driving mechanism 20 and is fastened to the housing 10 at the opening 11, so as to relatively and hermetically accommodate the driving mechanism 20 and the bracket 30 in the accommodating space 12.

Specifically, the cover 40 may include a flat top wall 41 and an annular side wall 42, wherein the flat top wall 41 may be used for contacting with the skin of the human body to further transmit the vibration signal transmitted by the bracket 30 to the skin of the human body, and the annular side wall 42 is connected to the outer periphery of the flat top wall 41 and extends laterally of the flat top wall 41 in an arc transition manner, wherein the cover 40 is fastened to the housing 10 through an end of the annular side wall 42 away from the flat top wall 41.

In an application scenario, the cover 40 includes a hard cover body 43 and a soft fit pad 44, and the soft fit pad 44 is disposed on a side of the hard cover body 43 away from the bracket 30, and can contact with the skin of the user through the soft fit pad 44 when in use.

Further, at least one receiving groove 31 may be formed on the bracket 30, and correspondingly, at least one supporting rib 45 corresponding to the receiving groove 31 is disposed on a side of the cover 40 facing the bracket 30, and when the cover 40 is fastened to the housing 10, each supporting rib 45 extends into the corresponding receiving groove 31 and abuts against a bottom wall of the corresponding receiving groove 31.

It should be noted that the support ribs 45 can improve the strength of the support 30, so as to protect the support 30 to a certain extent, reduce the damage of vibration signals and the like to the support 30, and improve the stability of the bone conduction speaker.

Specifically, the bracket 30 may include an annular bottom 32, a first extension 33, a second extension 34, and a plurality of ribs 35. The annular bottom 32 is connected to the driving mechanism 20 and defines a central hole 321.

The first extending portion 33 is disposed on the annular bottom portion 32 around the central hole 321 and extends in a direction away from the driving mechanism 20, and the extending direction of the first extending portion 33 may be specifically perpendicular to a main surface (i.e., a surface with a larger area) of the annular bottom portion 32; the plurality of reinforcing ribs 35 are disposed on one side of the first extending portion 33 away from the central hole 321 and are spaced from each other along the circumferential direction of the central hole 321, specifically, each reinforcing rib 35 may be disposed to extend along a direction away from the first extending portion 33, and the extending direction may be perpendicular to the extending direction at the corresponding position of the first extending portion 33; the second extension portion 34 extends from the annular bottom portion 32 in a direction away from the driving mechanism 20, and is connected to one end of the plurality of reinforcing ribs 35 away from the first extension portion 33.

The cross section of the second extension portion 34 along the direction perpendicular to the extending direction may be annular, and in this case, the second extension portion 34 may surround the entire periphery of the first extension portion 33; alternatively, the second extension 34 may be a ring segment in cross section perpendicular to the extension direction, so as to surround only part of the periphery of the first extension 33.

Further, the first extension portion 33 includes a first sub-extension portion 331 and a second sub-extension portion 332 disposed opposite to each other, and a first transition portion 333 and a second transition portion 334 connecting the first sub-extension portion 331 and the second sub-extension portion 332, wherein the first transition portion 333 is disposed at one end of the first sub-extension portion 331 and the second sub-extension portion 332, and the second transition portion 334 is disposed at the other end of the first sub-extension portion 331 and the second sub-extension portion 332.

It should be noted that the height of the first sub-extension 331 relative to the annular bottom 32 may be higher than that of the second sub-extension 332, wherein the heights of the first transition part 333 and the second transition part 334 may transition between the first sub-extension 331 and the second sub-extension 332 in a continuous state, so that the height of the first extension 33 relative to the annular bottom 32 is continuously changed. Of course, the first transition portion 333 and the second transition portion 334 may be configured such that the height of the first extension portion 33 changes in a stepwise manner with respect to the annular bottom portion 32 as a whole, and is not limited herein.

Further, an annular step surface 13 is disposed on the inner side wall of the housing 10 of the bone conduction speaker near the opening 11, a side of the annular bottom 32 of the bracket 30 away from the first extension 33 abuts against the annular step surface 13, and the cover 40 abuts against the first sub-extension 331 and the second sub-extension 332, so that a normal direction of a contact surface of the cover 40 and the human skin is inclined from the vibration direction of the driving mechanism 20, that is, an included angle between the normal direction of the contact surface of the cover 40 and the human skin and the vibration direction of the driving mechanism 20 is (0 ° and 90 °).

The driving mechanism 20 may include a vibration-transmitting plate disposed in the central hole 321 and connected to the support 30, a magnetic circuit assembly suspended on the vibration-transmitting plate, and a coil disposed on the periphery of the central hole 321 and connected to the support 30. Specifically, the vibration direction of the driving mechanism 20 may be parallel to the central axis of the coil, the central axis of the magnetic circuit assembly, and the like.

Note that the sound quality of sound generated by the bone conduction earphone can be improved to some extent by providing the normal direction of the contact surface of the lid 40 with the human skin and the vibration direction of the drive mechanism 20 at an angle.

Further, the at least one receiving groove 31 formed in the bracket 30 may include a plurality of first receiving grooves 311 and a plurality of second receiving grooves 312. The first receiving slots 311 are disposed on the first extending portion 33 at intervals along the circumferential direction of the central hole 321, and the second receiving slots 312 are disposed on the second extending portion 34 at intervals along the circumferential direction of the central hole 321.

Accordingly, the support ribs 45 provided on the inner wall of the cover body 40 may include a plurality of first support ribs 451 and a plurality of second support ribs 452. Specifically, the first supporting rib 451 and the second supporting rib 452 may be disposed at the arc transition region of the flat top wall 41 and the annular side wall 42 of the cover body 40, and connected with the flat top wall 41 and the annular side wall 42. Specifically, the first and second support ribs 451, 452 and the reinforcing rib 35 may be vertical surfaces provided on the inner wall of the cover 40.

The plurality of second receiving grooves 312 are respectively arranged in one-to-one correspondence with the plurality of first receiving grooves 311, and when the cover body 40 is fastened to the housing 10, each second receiving groove 312 and the corresponding first receiving groove 311 jointly receive the same corresponding first supporting rib 451, so that the first supporting rib 451 is respectively abutted to the bottom walls of the corresponding first receiving groove 311 and the corresponding second receiving groove 312, thereby strengthening the bracket 30 and improving the stability of the bone conduction speaker.

Specifically, the plurality of first receiving grooves 311 are respectively disposed at intervals on the first sub-extension 331 or on the first sub-extension 331, the first transition part 333, and the second transition part 334.

In an application scenario, the number of the first receiving slots 311, the number of the second receiving slots 312, and the number of the first supporting ribs 451 are four, two of the first receiving slots 311 are respectively disposed on the first sub-extending portion 331 at intervals, one first receiving slot 311 is disposed on the first transition portion 333, and the other first receiving slot 311 is disposed on the second transition portion 334. Accordingly, the second extending portion 34 only correspondingly surrounds the first sub-extending portion 331, the portion of the first transition portion 333 adjacent to the first sub-extending portion 331, and the portion of the second transition portion 334 adjacent to the first sub-extending portion 331, and four second receiving slots 312 respectively corresponding to the four first receiving slots 311 are disposed at intervals on the second extending portion 34. Further, two reinforcing ribs 35 are respectively disposed at the connection position of the first sub-extension portion 331 and the first transition portion 333, and the connection position of the first sub-extension portion 331 and the second transition portion 334, and the other two reinforcing ribs 35 are respectively disposed on the first transition portion 333 and the second transition portion 334.

Further, the second support rib 452 may be disposed spaced apart from the first support rib 451 in the circumferential direction of the central hole 321. Specifically, the plurality of first support ribs 451 and the plurality of second support ribs 452 may be disposed at intervals and cross each other, or the plurality of first support ribs 451 is disposed in a partial region of the cover 40, and the plurality of second support ribs 452 is disposed in another partial region of the cover 40 without crossing each other. When the cover 40 is fastened to the housing 10, the second support ribs 452 may abut against a side of the annular bottom away from the driving mechanism 20, or cooperate with each other to abut against a side of the annular bottom facing the driving mechanism 20 and a side facing the cover 40, respectively, so as to further stabilize the bracket 30.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. A bone conduction speaker, comprising:

the shell is defined with an accommodating space with an opening at one side;

the driving mechanism is accommodated in the accommodating space and used for generating a vibration signal;

the bracket is arranged on one side, facing the opening, of the driving mechanism, is connected with the driving mechanism and is used for transmitting the vibration signal, and at least one receiving groove is formed in the bracket;

the cover body is arranged on one side of the support far away from the driving mechanism, buckled with the shell at the opening and used for further transmitting the vibration signal transmitted by the support to the skin of a human body, wherein one side of the cover body facing the support is provided with at least one supporting rib corresponding to the receiving groove, and when the cover body is buckled with the shell, each supporting rib extends into the corresponding receiving groove and is abutted against the bottom wall of the corresponding receiving groove.

2. The bone conduction speaker of claim 1, wherein the bracket comprises:

the annular bottom is connected with the driving mechanism and is provided with a central hole;

the first extending portion is arranged on the annular bottom portion in a surrounding mode and extends towards the direction far away from the driving mechanism, the receiving groove comprises a plurality of first receiving grooves, the first receiving grooves are arranged on the first extending portion at intervals along the circumferential direction of the central hole, the supporting ribs comprise a plurality of first supporting ribs, and when the cover body is buckled with the shell body, each first supporting rib extends into the corresponding first receiving groove.

3. The bone conduction speaker as claimed in claim 2, wherein the cover body includes a flat top wall for contacting the skin of the human body and an annular side wall connected to an outer peripheral edge of the flat top wall and extending laterally of the flat top wall in an arc-shaped transition manner, and the first support rib is provided at an arc-shaped transition region of the flat top wall and the annular side wall and connected to the flat top wall and the annular side wall.

4. The bone conduction speaker of claim 2, wherein the bracket further comprises a plurality of ribs disposed on a side of the first extension portion facing away from the central bore and spaced apart from each other in a circumferential direction of the central bore.

5. The bone conduction speaker of claim 4, wherein the bracket further includes a second extension portion extending from the annular base portion in a direction away from the drive mechanism and connected to an end of the plurality of ribs remote from the first extension portion,

the receiving groove further comprises a plurality of second receiving grooves which are respectively arranged on the second extending portion at intervals along the circumferential direction of the central hole, the plurality of second receiving grooves are respectively arranged corresponding to the plurality of first receiving grooves, and when the cover body is buckled with the shell body, each second receiving groove and the corresponding first receiving groove jointly receive the same corresponding first supporting rib.

6. The bone conduction speaker as claimed in claim 5, wherein the support ribs further comprise a plurality of second support ribs, the second support ribs are spaced apart from the first support ribs along the circumferential direction of the central hole, and both abut against a side of the annular bottom portion away from the driving mechanism when the cover body is fastened to the housing, or abut against a side of the annular bottom portion facing the driving mechanism and a side facing the cover body in cooperation with each other.

7. The bone conduction speaker of claim 5, wherein the first extension includes first and second oppositely disposed sub-extensions, and first and second transitions connecting the first and second sub-extensions,

the height of the first sub-extension part relative to the annular bottom part is higher than that of the second sub-extension part, and the plurality of first receiving grooves are respectively arranged on the first sub-extension part or the first sub-extension part, the first transition part and the second transition part.

8. The bone conduction speaker of claim 7, wherein the stiffener and the second extension are disposed on a side of the first sub-extension away from the central aperture.

9. The bone conduction speaker as claimed in claim 7, wherein the inner sidewall of the housing is provided with an annular step surface near the opening, a side of the annular bottom facing away from the first extension portion abuts against the annular step surface, the cover abuts against the first sub-extension portion and the second sub-extension portion, so that a normal direction of a contact surface of the cover with the skin of the human body and a vibration direction of the driving mechanism are obliquely arranged, and the driving mechanism includes a vibration transmission plate arranged in the central hole and connected with the bracket, a magnetic circuit assembly suspended on the vibration transmission plate, and a coil arranged at the periphery of the central hole and connected with the bracket.

10. A bone conduction headset, characterized in that, bone conduction headset includes two bone conduction speakers, two ear-hooks and a back-hook, two bone conduction speakers respectively with the one end of two ear-hooks is connected, two ear-hooks are used for hanging respectively and establish on user's left ear and right ear, the other end of two ear-hooks respectively with the both ends of back-hook are connected, the back-hook is used for winding and establishes behind user's the brain, wherein, bone conduction speaker is according to any one of claims 1-9 bone conduction speaker.