CN210225707U

CN210225707U - Earphone and bone conduction vibrator loudspeaker thereof

Info

Publication number: CN210225707U
Application number: CN201921438918.9U
Authority: CN
Inventors: Huarong Tan; 谭华容
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-03-31
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to an earphone and a bone conduction vibrator loudspeaker thereof, which comprises a vibration sheet component, a magnetic circuit component and a surface cover; the magnetic circuit component comprises U-shaped iron and a magnetic conduction piece arranged in the U-shaped iron; the surface cover is arranged on the U-shaped iron, is of a hollow structure and comprises a through hole and a surface cover main body positioned on the periphery of the through hole; the face cover main body comprises an insertion part inserted into the U-shaped iron; the vibrating piece assembly comprises a vibrating piece; the vibrating piece is arranged in the through hole, and the outer edge of the vibrating piece is connected with the inner side wall of the inserting part; one end of the magnetic conduction piece is connected with the vibrating piece. The bone conduction vibrator loudspeaker has the advantages of coaxial repeated vibration, simple process, less working procedures, obviously improved assembly efficiency and low reject ratio, and the bass vibration sense is enhanced, the sound leakage is reduced. The earphone has the advantages of simple process, few procedures and high user experience.

Description

Earphone and bone conduction vibrator loudspeaker thereof

Technical Field

The utility model relates to a speaker, more specifically say, relate to an earphone and bone conduction oscillator speaker.

Background

The bone conduction vibrator loudspeaker in the related art generally comprises a vibrating reed which is generally attached to an opening of the U-shaped iron, the magnetizer is generally arranged in the U-shaped iron and is arranged at an interval with the vibrating reed, and vibration of the magnetizer is delayed due to the fact that the magnetizer is arranged at an interval with the vibrating reed, so that efficiency is low, bass vibration amplitude of the design is low under the condition of the same magnetic circuit, sound leakage amplitude is large, the whole weight of the loudspeaker is large, and user experience feeling is poor after the finished earphone is assembled.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a modified bone conduction oscillator speaker, further provides a modified earphone.

The utility model provides a technical scheme that its technical problem adopted is: constructing a bone conduction vibrator loudspeaker, which comprises a vibration piece component, a magnetic circuit component and a surface cover;

the magnetic circuit component comprises U-shaped iron and a magnetic conduction piece arranged in the U-shaped iron;

the surface cover is arranged on the U-shaped iron, is of a hollow structure and comprises a through hole and a surface cover main body positioned on the periphery of the through hole; the face cover main body comprises an insertion part inserted into the U-shaped iron;

the vibrating piece assembly comprises a vibrating piece; the vibrating piece is arranged in the through hole, and the outer edge of the vibrating piece is connected with the inner side wall of the inserting part;

one end of the magnetic conduction piece is connected with the vibrating piece.

Preferably, the face cover main body further comprises a covering part which is arranged at one end of the insertion part and protrudes along the outer side of the insertion part, and the upper end face of the covering part is a vibration listening surface.

Preferably, the vibrating plate includes a central through hole, and a ring body disposed at a periphery of the central through hole;

the outer edge of the annular body is connected with the inner side wall of the insertion part.

Preferably, the diaphragm assembly further comprises a voice coil;

the voice coil is arranged in the U-shaped iron and is connected with the end face of the insertion part inserted into the U-shaped iron.

Preferably, the magnetic conduction piece comprises a main body part and an insertion convex part arranged on one side of the main body part and inserted into the central through hole.

Preferably, the magnetic conduction piece is in an inverted T shape.

Preferably, the magnetic circuit assembly further comprises a first magnet;

the first magnet is arranged in the U-shaped iron and is positioned between the magnetic conduction piece and the U-shaped iron.

Preferably, the magnetic circuit assembly further comprises a second magnet, and the second magnet is sleeved on the side wall of the U-shaped iron.

Preferably, the vibration plate further comprises a connecting component for connecting the vibration plate, the magnetizer and the first magnet;

the connecting assembly comprises a first pasting piece arranged between the vibrating piece and the magnetic conduction piece and a second pasting piece arranged between the magnetic conduction piece and the first magnet.

The utility model discloses still construct an earphone, be in including shell and setting in the shell bone conduction oscillator speaker.

Implement the utility model discloses an earphone and bone conduction oscillator speaker thereof has following beneficial effect: the bone conduction vibrator loudspeaker is characterized in that the vibrating reed is arranged in the through hole of the face cover, the outer edge of the vibrating reed is connected with the inner side wall of the inserting part of the face cover main body, and one end of the magnetic conduction piece arranged on the U-shaped iron is connected with the vibrating reed, so that the magnetic circuit component can be suspended, the vibration is more direct, the vibration efficiency is further improved, and the vibration amplitude of bass can be increased under the condition of the same magnetic circuit, so that the bass is emphasized; because the face cover is directly connected with the vibrating piece assembly, the upper end face (namely a vibration listening face) of the face cover can be immediately sensed after being electrified, so that the vibration of sound signal conversion can be fed back more timely, the vibration conduction path is shortened, and the vibration listening feeling is more real; the bone conduction vibrator loudspeaker has the characteristic of coaxial multiple vibration, so that the low-pitch vibration sense is enhanced, and because the magnetic conduction piece of the whole magnetic circuit is hung on the vibrating piece and is not directly and rigidly connected, the middle and high pitch which is emitted by the vibrating piece and can be transmitted in the air can be greatly reduced, and the sound leakage can be greatly reduced; under the condition of the same bass requirement, the vibrating sheet can be relatively thinned, so that the overall mass of the loudspeaker is reduced, and the user experience feeling is better after the finished earphone is assembled; the bone conduction vibrator loudspeaker has the advantages of simple process, few working procedures, obviously improved assembly efficiency and low reject ratio.

The earphone has the advantages of simple process, few procedures and high user experience.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a cross-sectional view of a first embodiment of a bone conduction vibrator speaker according to the present invention;

fig. 2 is an exploded schematic view of the bone conduction vibrator speaker shown in fig. 1;

fig. 3 is a perspective view illustrating an assembly of a face cap and a diaphragm assembly of the bone conduction vibrator speaker of fig. 1;

fig. 4 is a plan view of the assembly of the face cap and the vibrating plate assembly shown in fig. 3;

fig. 5 is a schematic structural diagram of a second embodiment of the bone conduction vibrator speaker according to the present invention;

fig. 6 is a schematic structural diagram of a third embodiment of the bone conduction vibrator speaker according to the present invention;

fig. 7 is a schematic structural diagram of a fourth embodiment of the bone conduction vibrator speaker according to the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 shows a first embodiment of the bone conduction vibrator speaker of the earphone of the present invention. The bone conduction vibrator loudspeaker can be assembled to form an earphone, has the characteristic of coaxial repeated vibration, and has the advantages of high vibration efficiency, strong bass vibration amplitude, less sound leakage and light weight. The earphone formed by assembling the earphone has the advantages of simple process, few working procedures and high user experience.

This earphone can include the shell and the utility model discloses a bone conduction oscillator speaker, this shell can adopt plastics to make, and its inboard can form accepts the chamber to accept this bone conduction oscillator speaker, this bone conduction oscillator speaker can be used to the broadcast audio frequency.

As shown in fig. 1 and 2, the bone conduction vibrator speaker includes a magnetic circuit member 10, a vibrating piece member 20, and a face cover 30; the magnetic circuit assembly 10 may be disposed at a lower portion of the face cap 30, may be assembled with the face cap 30, and may generate electromagnetic induction in a power-on state, thereby driving the vibration plate assembly 20 to vibrate. The vibrating reed assembly 20 can be disposed on the face cover 30, and can be assembled with the face cover 30 to form a combined structure, and the magnetic circuit assembly 10 is convenient to hang, so that the vibration of the sound signal conversion can be fed back more timely, the vibration conduction path is shortened, and the vibration listening feeling is more real. The face cover 30 may be installed above the magnetic circuit assembly 10, and may be used to amplify and modify sound, thereby achieving the effects of reducing power consumption and improving sound quality.

Further, in the present embodiment, the magnetic circuit assembly 10 may include a U-shaped iron 11, a magnetic conductive member 12, and a first magnet 131. The U-shaped iron 11 can be used for mounting the first magnet 131 and the magnetizer 12. The magnetic conductor 12 can be connected to the vibrating plate assembly 20, and it can be disposed in the U-shaped iron 11, which can be used for magnetic conduction. The first magnet 131 may be disposed in the U-shaped iron 11 and located between the magnetic conductive member 12 and the U-shaped iron 11, and may generate electromagnetic induction when being powered on.

Further, in this embodiment, the U-shaped iron 11 may be cylindrical, and an accommodating cavity may be formed inside the U-shaped iron and may be used to accommodate the first magnet 131 and the magnetic conductive member 12. It is understood that in other embodiments, the U-shaped iron 11 may not be limited to being cylindrical. An opening may be formed at one end of the U-shaped iron 11, which may facilitate the assembly of the face cover 30.

Further, in the present embodiment, the magnetic conducting member 12 may have an inverted T shape, and it is understood that in other embodiments, the magnetic conducting member 12 may not be limited to have an inverted T shape. The magnetic conduction member 12 may include a main body portion 121, an insertion convex portion 122, and an attachment portion 123; the main body 121 can be located between the insertion protrusion 122 and the attaching portion 123, a radial dimension of the main body 121 can be larger than a radial dimension of the insertion protrusion 122, and an end surface of the main body 121 located at the periphery of the insertion protrusion 122 can form a contact surface to contact with the vibration plate assembly 20. The insertion projection 122 may be provided at the side of the body portion 121, which is insertable into the membrane element 20, which is fittable with the membrane element 20. The attaching portion 123 may be disposed at an end of the main body 121 away from the inserting protrusion 122, and a side of the attaching portion away from the main body 121 may be connected to the first magnet 131. In this embodiment, the main body 121, the insertion protrusion 122, and the attaching portion 123 may be integrally formed. It is understood that in other embodiments, the insertion protrusion 122 and the fitting portion 123 may be omitted. In this embodiment, the magnetic conducting member 12 may be washer. Of course, it is understood that in other embodiments, the magnetic conductive member 12 may not be limited to washer.

Further, in this embodiment, the first magnet 131 may be cylindrical, and its size may be smaller than the size of the receiving cavity of the U-shaped iron 11, and it is disposed at the lower portion of the receiving cavity of the U-shaped iron 11, and it may contact with the bottom wall of the U-shaped iron 11. It is understood that in other embodiments, the first magnet 131 is not limited to a cylindrical shape, and may have a rectangular parallelepiped shape or other shapes.

As shown in fig. 1 to 4, in an embodiment, the vibration plate assembly 20 may include a vibration plate 21 and a voice coil; the vibrating reed 21 may be disposed in the face cover 30, connected to the magnetic conductive member 12, and connected to the magnetic conductive member 12 to suspend the entire magnetic circuit assembly 10, so as to directly cooperate with the magnetic circuit assembly 10 to vibrate, so that the vibration is more direct, the vibration efficiency is improved, the delay of the vibration is reduced, and simultaneously, the vibration amplitude of bass can be increased under the same magnetic circuit, and bass can be emphasized. The vibrating piece assembly 20 can omit a mount, thereby reducing the overall quality of the bone conduction vibrator speaker. The voice coil 22 can be disposed in the U-shaped iron 11, and can be connected to the face cover 30, and is sleeved on the periphery of the magnetic conducting member 12, and can cooperate with the first magnet 131 to generate electromagnetic induction in the power-on state.

Further, specifically, the vibration plate 21 may include a central through hole 211, and a ring body 212; the axis of the central through hole 211 may coincide with the central axis of the U-shaped iron 11. The inserting protrusion 122 of the magnetic conductive member 12 can be inserted into the central through hole 211, and is connected to the vibration plate 21 by interference fit, so as to improve the connection stability. The ring body 212 may be disposed at the periphery of the central through hole 211. The end face of the body 121 at one end of the insertion projection 122 can be connected to one side of the annular body 212, so that the entire magnetic circuit assembly 10 can be suspended, and further, the middle-high sound generated by the vibrating reed 21 itself and propagated in the air can be reduced, and the leakage sound can be greatly reduced. The vibrating plate 21 can be a spring, and specifically, it can be an L-shaped spring or an S-shaped spring. It is understood that in other embodiments, the vibrating plate 21 may not be limited to a spring.

Further, in this embodiment, the voice coil 22 may be a hollow structure, which may be a cylinder, and the inner diameter of the voice coil may be larger than the maximum outer diameter of the magnetic conductive member 12. The voice coil 22 may be formed by winding a plurality of strands of enameled wires. An end surface of one end of the voice coil 22 may be connected to the face cover 30, and specifically, may be attached to an end surface of one end of the face cover 30 by providing an adhesive member. Because the face lid 30 and the trembler subassembly 20 lug connection, the voice coil 22 is arranged in the magnetic gap, and the up end of circular telegram back face lid 30 is the vibration listening face, and it can respond to immediately, makes the vibration of sound signal conversion feedback out more in time, has reduced the vibration conduction way, and the vibration listening is more true.

Further, in the present embodiment, the face cover 30 may be disposed on the U-shaped iron 11, specifically, the face cover 30 may be disposed at an opening end of the U-shaped iron 11, and the face cover 30 may be a hollow structure, which may include a through hole 31 and a face cover main body 32; the through hole 31 may facilitate the mounting of the vibration plate 21. The face cover main body 32 may be disposed at the periphery of the through hole 31. In the present embodiment, the vibrating plate 21 can be disposed in the through hole 31, and the outer edge thereof can be connected to the inner sidewall of the lid main body 32, which can be assembled with the lid main body 32 to form a combined structure. In the present embodiment, it can be formed in one piece with the lid main body 32, thereby facilitating the improvement of the stability of the assembly of the vibrating piece 21 and thus the stability of the suspension. It will be appreciated that in other embodiments, it may be removably coupled to the face cap body 32.

Further, in the present embodiment, the face cover main body 32 may include an insertion portion 321, a covering portion 322; the outer diameter of the insertion portion 321 may be smaller than the inner diameter of the opening of the U-shaped iron 11, which is inserted into the U-shaped iron 11 from the opening of the U-shaped iron 11. The vibrating piece 21 can be disposed in the through hole 31, and the outer edge thereof can be connected to the inner sidewall of the inserting portion 321, specifically, it can be formed as an integral structure with the inserting portion 321 by injection molding, and it can also be snapped into the inner sidewall of the inserting portion 321, but it can be understood that in other embodiments, it can be welded to the inner sidewall of the inserting portion 321. By disposing the vibrating reed 21 in the insertion portion 321 and forming an integral structure with the insertion portion 321, the thickness of the vibrating reed 21 can be reduced, so that the overall mass of the whole bone conduction vibrator speaker can be reduced, and the user experience of the earphone formed by assembly can be improved. In this embodiment, the voice coil 22 may be connected to the end face of the insertion portion 321 inserted into the U-shaped iron 11. The outer diameter of the covering portion 322 is greater than or equal to the outer diameter of the insertion portion 321, and may be disposed at one end of the insertion portion 321, and may be protruded along the outer side of the insertion portion 321, and may be integrally formed with the insertion portion 321, and the upper end surface of the covering portion 322 may be a vibration listening surface. It will be appreciated that in other embodiments, the covering portion 322 may be omitted.

Further, in this embodiment, the bone conduction vibrator speaker may further include a connection assembly; the connecting assembly can be used to connect the vibrating plate 21, the magnetizer 12 and the first magnet 131, so as to improve the stability of assembling the vibrating plate 21, the magnetizer 12 and the first magnet 131. In this embodiment, the connecting assembly may be a first adhesive member and a second adhesive member; the first adhesive member may be disposed between the vibrating reed 21 and the magnetic conductive member 12, and specifically, the first adhesive member may be disposed on an end surface of the main body 121 of the magnetic conductive member 12 at an end where the insertion protrusion 122 is disposed, and disposed on an end surface of the annular body 212 opposite to the magnetic conductive member 12, and may attach the main body 121 to the annular body 212. The first adhesive member may be glue. The second pasting member may be disposed between the magnetic conductive member 12 and the first magnet 131, and specifically, may be disposed on an end surface of the attaching portion 123 connected to the first magnet 131, and may be disposed on an end surface of the first magnet 131 connected to the attaching portion 123, so as to connect the magnetic conductive member 12 and the first magnet 131. The second adhesive member may be glue. It is understood that in other embodiments, the connection assembly may not be limited to include the first adhesive member and the second adhesive member, and may include a screw, which can penetrate the vibration plate 21, the magnetic conductive member 12, the first magnet 131 and the U-shaped iron 11 from the insertion protrusion for connection. Of course, the vibrating piece 21, the magnetic conductive member 12, and the first magnet 131 may be fixed to each other by welding, without being limited to screws.

Fig. 5 shows a second embodiment of the bone conduction vibrator speaker of the present invention, which is different from the first embodiment in that the insertion convex portion 122 may be omitted.

Fig. 6 shows a third embodiment of the bone conduction vibrator speaker of the present invention, which is different from the first embodiment in that the assembly manner of the magnetic conducting member 12 and the U-shaped iron 11 is another magnetic conducting assembly pattern, in this embodiment, the magnetic conducting member 12 and the U-shaped iron 11 can be integrally formed, and the first magnet 131 can be omitted. The magnetic circuit assembly 10 may further include a second magnet 132; the second magnet 132 can be sleeved on the side wall of the U-shaped iron 11.

Fig. 7 shows a fourth embodiment of the bone conduction vibrator speaker of the present invention, which is different from the first embodiment in that the magnetic conduction mode is another magnetic conduction assembly pattern, the magnetic circuit assembly 10 is a dual magnetic circuit assembly, and the magnetic circuit assembly 10 may further include a second magnet 132; the second magnet 132 can be sleeved on the side wall of the U-shaped iron 11.

It can be understood that the vibrating reed 21 and the center of the magnetic circuit component in the embodiments of the bone conduction vibrator speaker of the above embodiments of the present invention can be made into a through hole structure, so as to achieve the effects of ventilation, heat dissipation and reduction of partial sound leakage.

Fig. 1 to 7 are only examples, and should not bring any limitation to the structure and the scope of use of the embodiments of the present invention.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A bone conduction vibrator speaker comprises a vibration plate component (20) and a magnetic circuit component (10), and is characterized by further comprising a surface cover (30);

the magnetic circuit assembly (10) comprises U-shaped iron (11) and a magnetic conduction piece (12) arranged in the U-shaped iron (11);

the face cover (30) is arranged on the U-shaped iron (11), the face cover (30) is of a hollow structure and comprises a through hole (31) and a face cover main body (32) located on the periphery of the through hole (31); the face cover main body (32) comprises an insertion part (321) inserted into the U-shaped iron (11);

the vibrating plate assembly (20) comprises a vibrating plate (21); the vibrating piece (21) is arranged in the through hole (31), and the outer edge of the vibrating piece is connected with the inner side wall of the inserting part (321);

one end of the magnetic conduction piece (12) is connected with the vibrating piece (21).

2. The bone conduction vibrator speaker according to claim 1, wherein the face cover main body (32) further includes a covering portion (322) provided at one end of the insertion portion (321) and protruding along an outer side of the insertion portion (321); the upper end surface of the covering part (322) is a vibration listening surface.

3. The bone conduction vibrator speaker according to claim 1, wherein the vibration plate (21) includes a central through hole (211), and a ring-shaped body (212) provided at a periphery of the central through hole (211);

the outer edge of the annular body (212) is connected to the inner side wall of the insertion portion (321).

4. The bone conduction vibrator speaker of claim 2, wherein the vibration plate assembly (20) further comprises a voice coil (22);

the voice coil (22) is arranged in the U-shaped iron (11) and is connected with the end face of the insertion part (321) inserted into the U-shaped iron (11).

5. The bone conduction vibrator speaker of claim 3, wherein the magnetic conductive member (12) includes a main body portion (121), and an insertion projection (122) provided at a side of the main body portion (121) to be inserted into the central through hole (211).

6. The bone conduction vibrator speaker of claim 5, wherein the magnetically permeable member (12) is in the shape of an inverted T.

7. The bone conduction vibrator speaker of claim 1, wherein the magnetic circuit assembly (10) further comprises a first magnet (131);

the first magnet (131) is arranged in the U-shaped iron (11) and is positioned between the magnetizer (12) and the U-shaped iron (11).

8. The bone conduction vibrator speaker as claimed in claim 1 or 7, wherein the magnetic circuit assembly (10) further comprises a second magnet (132), the second magnet (132) being fitted over a side wall of the U-shaped iron (11).

9. The bone conduction vibrator speaker according to claim 7, further comprising a connection member connecting the vibration plate (21), the magnetic conductive member (12), and the first magnet (131);

the connecting assembly comprises a first pasting piece arranged between the vibrating piece (21) and the magnetic conduction piece (12) and a second pasting piece arranged between the magnetic conduction piece (12) and the first magnet (131).

10. An earphone, comprising a housing, and the bone conduction vibrator speaker of any one of claims 1 to 9 provided in the housing.