CN209964292U

CN209964292U - Bone conduction vibrator and bone conduction listening device

Info

Publication number: CN209964292U
Application number: CN201920796771.4U
Authority: CN
Inventors: 朱达云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-01-17
Anticipated expiration: 2029-05-29
Also published as: WO2020238709A1

Abstract

The utility model belongs to the technical field of bone conduction devices, in particular to a bone conduction vibrator and a bone conduction listening device, wherein the bone conduction vibrator comprises a U-shaped iron, a magnet, a washer, a voice coil, a damper and a conduction piece; a groove is formed in the U iron, a first wire passing hole is formed in the bottom of the groove, the magnet is arranged in the groove, a magnetic gap is formed between the outer side wall of the magnet and the inner side wall of the groove, the washer is arranged on the top surface of the magnet, a second wire passing hole communicated with the first wire passing hole is formed in the magnet, and a third wire passing hole communicated with the second wire passing hole is formed in the washer; the inner side wall of the conducting sheet is provided with a first bonding pad electrically connected with the voice coil, the outer side wall of the U-shaped iron is provided with a second bonding pad, and the second bonding pad is electrically connected with the first bonding pad through a flexible circuit which sequentially penetrates through the first wire passing hole, the second wire passing hole and the third wire passing hole; the mode that uses the voice coil loudspeaker voice coil lead wire to carry out the circular telegram with external power among the replacement prior art improves stability.

Description

Bone conduction vibrator and bone conduction listening device

Technical Field

The utility model belongs to the technical field of bone conduction device, especially, relate to a bone conduction oscillator and bone conduction listening device.

Background

Generally, a person can hear sound because air transmits vibration to the eardrum through the external auditory 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 listening device can be normally transmitted to auditory nerves of a person through skin, subcutaneous tissues and bones of the person when in work, so that the person can listen to sound.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bone conduction oscillator and bone conduction listening device aims at solving among the prior art technical problem that the voice coil loudspeaker voice coil lead wire of bone conduction oscillator leads to the bone conduction oscillator to damage because of easy fracture.

In order to achieve the above object, an embodiment of the present invention provides a bone conduction vibrator, including a U-shaped iron, a magnet, a washer, a voice coil, a damper, and a conduction piece; the U-shaped iron is internally provided with a groove, the bottom of the groove is provided with a first wire passing hole, the magnet is arranged in the groove, a magnetic gap is formed between the outer side wall of the magnet and the inner side wall of the groove, the washer is arranged on the top surface of the magnet, the magnet is provided with a second wire passing hole communicated with the first wire passing hole, and the washer is provided with a third wire passing hole communicated with the second wire passing hole; the utility model discloses a line hole, including U iron, play ripples with the U iron is connected, the one end of voice coil loudspeaker voice coil stretches into in the magnetic gap, the other end of voice coil loudspeaker voice coil with play ripples and connect, the conduction piece connect in the voice coil loudspeaker voice coil is located play ripples's the outside, the inside wall of conduction piece be provided with the first pad that the voice coil loudspeaker voice coil electricity is connected, the lateral wall of U iron is provided with the second pad, the second pad is through passing according to the preface first cross the line hole the second cross the line hole with the third cross the flexible line in line hole with first pad electricity is connected.

Optionally, the U-iron includes a small-diameter cylinder, a large-diameter cylinder, and a connection ring connected between the small-diameter cylinder and the large-diameter cylinder, a magnetic gap is formed between an outer side wall of the magnet and an inner side wall of the small-diameter cylinder, and the damper is connected to the large-diameter cylinder.

Optionally, the bone conduction transducer further comprises a bracket; the bracket comprises a horizontal annular part and a vertical cylindrical part; the outer end of the horizontal annular part is connected with the lower end of the vertical cylindrical part, the inner end of the horizontal annular part is connected with the U-shaped iron, and the elastic wave is connected with the upper end of the vertical cylindrical part.

Optionally, the bone conduction vibrator further comprises a bracket and a spring plate; the elastic sheet is connected with the U-shaped iron, the lower end of the support is connected with the outer end of the elastic sheet, and the elastic wave is connected with the upper end of the support.

Optionally, the damper includes an outer ring, an inner ring, and a plurality of connection portions uniformly connected between the outer ring and the inner ring, the outer ring is connected to the U-bar, and the inner ring is connected to the voice coil.

Optionally, the flexible circuit is an FPC board or a wire.

Optionally, the bone conduction vibrator further comprises a tuning net; and the tuning net is connected to the outer side wall of the U-shaped iron and covers the first wire passing hole.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the bone conduction oscillator have one of following technological effect at least: the voice coil is electrically connected with the first bonding pad, the flexible circuit sequentially penetrates through the first wire passing hole, the second wire passing hole and the third wire passing hole to conduct electricity between the first bonding pad and the second bonding pad, and the second bonding pad is connected with an external power supply; after second pad and external power source circular telegram, the second pad passes through flexible line with electrically conduct between the first pad, so that the voice coil loudspeaker voice coil passes through first pad realizes the circular telegram and produce vibration in the magnetic gap, replaces among the prior art to use voice coil loudspeaker voice coil lead wire and external power source to carry out the mode of circular telegram, has avoided the voice coil loudspeaker voice coil lead wire because of vibration with the part in the bone conduction oscillator takes place the condition that the friction leads to the fracture of voice coil loudspeaker voice coil lead wire, reduces the condition that the bone conduction oscillator is out of order, improves stability, improves the quality of bone conduction oscillator prolongs life.

In order to achieve the above object, an embodiment of the present invention further provides a bone conduction vibrator, wherein the bone conduction vibrator includes a U-shaped iron, a magnet, a washer, a voice coil, a damper, a conduction piece, a circuit board, and a connection piece; the U-shaped iron is internally provided with a groove, the bottom of the groove is provided with a first wire passing hole, the magnet is arranged in the groove, a magnetic gap is formed between the outer side wall of the magnet and the inner side wall of the groove, the washer is arranged on the top surface of the magnet, the magnet is provided with a second wire passing hole communicated with the first wire passing hole, and the washer is provided with a third wire passing hole communicated with the second wire passing hole; the elastic wave is connected with the U-shaped iron, the connecting piece is connected with the elastic wave, two ends of the connecting piece extend to two opposite sides of the elastic wave respectively, the circuit board is located in the groove and connected with the connecting piece, one end of the voice coil extends into the magnetic gap, the other end of the voice coil is connected with the circuit board, the conducting piece is located outside the groove and connected with the connecting piece, and the conducting piece is connected with the voice coil and located on the outer side of the elastic wave;

the circuit board is provided with a first bonding pad electrically connected with the voice coil, the outer side wall of the U-shaped iron is provided with a second bonding pad, and the second bonding pad is electrically connected with the first bonding pad through a flexible circuit which sequentially penetrates through the first wire passing hole, the second wire passing hole and the third wire passing hole.

Optionally, the bone conduction vibrator further comprises an outer supporting spring; the outer supporting elastic sheet is connected with the connecting piece and is positioned between the conducting sheet and the elastic wave.

Optionally, a cushion block is connected between the elastic wave and the outer support elastic sheet, and the cushion block is connected with the connecting piece.

In order to achieve the above object, the embodiment of the present invention further provides a bone conduction listening device, wherein the bone conduction listening device comprises an earshell and a head-mounted unit connected to the earshell, and the earshell is internally provided with the above bone conduction vibrator.

The embodiment of the utility model provides an among the bone conduction listening device above-mentioned one or more technical scheme have one of following technological effect at least: the utility model discloses an among the bone conduction listening device, the foretell bone conduction oscillator of adoption passes through the flexible line in proper order first cross the line hole the second cross the line hole with the third cross the line hole with first pad with the second pad is electrically conductive, so that the voice coil loudspeaker voice coil circular telegram replaces among the prior art to use the voice coil loudspeaker voice coil lead wire to carry out the mode of circular telegram with external power source, reduces the condition of bone conduction oscillator sound loss improves stability, improves the quality of bone conduction oscillator so can prolong the life of bone conduction listening device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a bone conduction vibrator according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a bone conduction vibrator according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a bone conduction vibrator according to a third embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a bone conduction vibrator according to a fourth embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a bone conduction oscillator according to a fifth embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an elastic wave of the bone conduction vibrator according to the present invention.

Wherein, in the figures, the respective reference numerals:

10-U iron 11-groove 12-first wire passing hole

13-small diameter cylinder 14-large diameter cylinder 15-connecting ring

20-magnet 21-second wire through hole 30-washer

31-third wire through hole 40-voice coil 50-damper

Connection part of 51-outer ring 52-inner ring 53

60-conductive sheet 70-first pad 80-second pad

90-flexible circuit 100-support 101-horizontal ring section

102-vertical cylindrical part 110-spring piece 120-circuit board

130-connecting piece 140-outer supporting spring plate 150-cushion block

160-tone net.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Example one

In the present embodiment, as shown in fig. 1, a bone conduction vibrator is provided, wherein the bone conduction vibrator includes a U-iron 10, a magnet 20, a washer 30, a voice coil 40, a damper 50, and a conduction sheet 60; a groove 11 is formed in the U-shaped iron 10, a first wire passing hole 12 is formed in the bottom of the groove 11, the magnet 20 is arranged in the groove 11, a magnetic gap is formed between the outer side wall of the magnet 20 and the inner side wall of the groove 11, the washer 30 is arranged on the top surface of the magnet 20, a second wire passing hole 21 communicated with the first wire passing hole 12 is formed in the magnet 20, and a third wire passing hole 31 communicated with the second wire passing hole 21 is formed in the washer 30; the bullet ripples 50 with the U iron 10 is connected, the one end of voice coil 40 stretches into in the magnetic gap, the other end of voice coil 40 with bullet ripples 50 is connected, conduction piece 60 connect in voice coil 40 is located play ripples 50's the outside, conduction piece 60's inside wall be provided with the first pad 70 that the voice coil 40 electricity is connected, the lateral wall of U iron 10 is provided with second pad 80, second pad 80 is through passing in proper order first cross line hole 12, the second cross line hole 21 with the third cross the flexible circuit 90 of line hole 31 with first pad 70 electricity is connected.

The voice coil 40 is electrically connected to the first pad 70, the flexible circuit 90 sequentially passes through the first wire hole 12, the second wire hole 21 and the third wire hole 31 to electrically conduct the first pad 70 and the second pad 80, and the second pad 80 is connected to an external power supply; second pad 80 and external power source circular telegram back, second pad 80 passes through flexible line 90 with electrically conduct between the first pad 70, so that voice coil 40 passes through first pad 70 realizes the circular telegram and produces the vibration in the magnetic gap, replaces among the prior art to use voice coil 40 lead wire and external power source to carry out the mode of circular telegram, has avoided the voice coil 40 lead wire because of the vibration with the part in the bone conduction oscillator takes place the condition that the friction leads to the fracture of voice coil 40 lead wire, reduces the condition that the bone conduction oscillator is out of order, improves stability, improves the quality of bone conduction oscillator prolongs life.

In this embodiment, as shown in fig. 1, the U-iron 10 includes a small diameter cylinder 13, a large diameter cylinder 14, and a connection ring 15 connected between the small diameter cylinder 13 and the large diameter cylinder 14, a magnetic gap is formed between an outer side wall of the magnet 20 and an inner side wall of the small diameter cylinder 13, and the damper 50 is connected to the large diameter cylinder 14; the elastic wave 50 is connected to the open end of the large-diameter cylinder 14, the outer diameter of the large-diameter cylinder 14 is larger than that of the small-diameter cylinder 13, the vertical section of the small-diameter cylinder 13 is U-shaped, the magnet is arranged in the small-diameter cylinder 13, the inner ring 52 of the connecting ring 15 is connected with the open end of the small-diameter cylinder 13, the large-diameter cylinder 14 is connected to the outer circle of the connecting ring 15, and the elastic wave 50 is connected to the open end of the large-diameter cylinder 14; the small-diameter cylinder 13, the large-diameter cylinder 14 and the connecting ring 15 are integrally formed, the structure is stable, processing and production are convenient, the large-diameter cylinder 14 is arranged, the damper 50 is connected to the large-diameter cylinder 14, the damper 50 is fixed in a mounting mode without a support 100, the structure is stable, and production is convenient.

In the present embodiment, as shown in fig. 6, the damper 50 includes an outer ring 51, an inner ring 52 and a plurality of connecting portions 53 uniformly connected between the outer ring 51 and the inner ring 52, the outer ring 51 is connected to the U-bar 10, and the inner ring 52 is connected to the voice coil 40; the thickness range of the elastic wave 50 is 0.05 mm-3 mm; the outer ring 51 and the inner ring 52 increase the vibration of the voice coil 40, reduce power consumption, improve the mechanical efficiency of bone conduction, and improve the quality of bone conduction vibrators.

In this embodiment, the flexible circuit 90 is an FPC board or a conductive wire; the FPC board is a flexible circuit board 120, is a printed circuit made of flexible insulating base materials, can be freely bent, wound and folded, can be randomly arranged according to space layout requirements, and can be randomly moved and stretched in a three-dimensional space, so that the integration of component assembly and wire connection is achieved, and the flexible FPC board has the advantages of space saving, weight reduction and high flexibility.

In this embodiment, the bone conduction transducer further includes a tuning net 160; the tuning net 160 is connected to the outer side wall of the U-shaped iron 10 and covers the first wire passing hole 12; the tuning net 160 is additionally arranged so that the tone quality effect of the bone conduction vibrator is improved, meanwhile, the first wire passing hole 12 is covered, external dust particles are reduced to enter the bone conduction vibrator through the first wire passing hole 12, the sound production effect of the bone conduction vibrator is influenced, and the stability of the bone conduction vibrator is improved.

Example two

In the present embodiment, as shown in fig. 2, the bone conduction vibrator is different from the above-described embodiments in that: the bone conduction vibrator further comprises a bracket 100; the holder 100 includes a horizontal ring portion 101 and a vertical cylinder portion 102; the outer end of the horizontal annular part 101 is connected with the lower end of the vertical cylindrical part 102, the inner end of the horizontal annular part 101 is connected with the U-shaped iron 10, and the damper 50 is connected with the upper end of the vertical cylindrical part 102; horizontal annular portion 101 with vertical cylindric portion 102 integrated into one piece, its cross-section is "L" shape, stable in structure, the processing production of being convenient for, support 100 chooses for use plastic material to make, add support 100 so that damper 50 passes through support 100 with U indisputable 10 is connected, realizes damper 50 enlargies the vibration, increases voice coil 40's vibration range to reduce the consumption, improve bone conduction's mechanical efficiency.

EXAMPLE III

In the present embodiment, as shown in fig. 3, the bone conduction vibrator is different from the above-described embodiments in that: the bone conduction vibrator further comprises a bracket 100 and an elastic sheet 110; the elastic sheet 110 is connected with the U-shaped iron 10, the lower end of the support 100 is connected with the outer end of the elastic sheet 110, and the elastic wave 50 is connected with the upper end of the support 100; by adopting a non-fixed magnetic circuit, the vibration is amplified by the elastic wave 50 and the elastic sheet 110, so that the vibration amplitude of the voice coil 40 is increased, the power consumption is reduced, and the mechanical efficiency of bone conduction is improved.

Further, the base material of the elastic wave 50 and the elastic sheet 110 may be manganese sheet, stainless steel sheet, plastic material, chemical material or other metal material. Preferably manganese sheets, have high elastic limit and yield ratio, excellent elastic properties, ability to absorb large amounts of elastic energy without plastic deformation, high fatigue limit, sufficient plasticity and toughness to prevent impact fracture.

Example four

In the present embodiment, a bone conduction vibrator is provided, as shown in fig. 4, wherein the bone conduction vibrator includes a U-iron 10, a magnet 20, a washer 30, a voice coil 40, a damper 50, a conduction sheet 60, a circuit board 120, and a connector 130; a groove 11 is formed in the U-shaped iron 10, a first wire passing hole 12 is formed in the bottom of the groove 11, the magnet 20 is arranged in the groove 11, a magnetic gap is formed between the outer side wall of the magnet 20 and the inner side wall of the groove 11, the washer 30 is arranged on the top surface of the magnet 20, a second wire passing hole 21 communicated with the first wire passing hole 12 is formed in the magnet 20, and a third wire passing hole 31 communicated with the second wire passing hole 21 is formed in the washer 30; the damper 50 is connected to the U-shaped iron 10, the connecting member 130 is connected to the damper 50, and two ends of the connecting member 130 extend to two opposite sides of the damper 50, respectively, the circuit board 120 is located in the groove 11 and connected to the connecting member 130, one end of the voice coil 40 extends into the magnetic gap, the other end of the voice coil 40 is connected to the circuit board 120, the conducting strip 60 is located outside the groove 11 and connected to the connecting member 130, and the conducting strip 60 is connected to the voice coil 40 and located outside the damper 50;

the circuit board 120 is provided with a first bonding pad 70 electrically connected to the voice coil 40, the outer side wall of the U-shaped iron 10 is provided with a second bonding pad 80, and the second bonding pad 80 is electrically connected to the first bonding pad 70 through a flexible circuit 90 sequentially passing through the first wire passing hole 12, the second wire passing hole 21 and the third wire passing hole 31.

Further, in this embodiment, the connecting member 130 may be a plastic member or a metal member.

EXAMPLE five

In this embodiment, as shown in fig. 5, the bone conduction transducer differs from the fourth embodiment in that: the bone conduction vibrator also comprises an outer supporting elastic sheet 110; the outer supporting spring plate 110 is connected with the connecting piece 130 and is positioned between the conducting piece 60 and the damper 50; the outer supporting elastic sheet 110 is additionally arranged and is used for being connected with the inner side wall of the bone conduction listening device, so that the connecting piece 130 is more stable, the overall stability and reliability of the bone conduction vibrator are improved, and the safety performance is good.

In this embodiment, a cushion block 150 is connected between the damper 50 and the outer supporting spring 110, and the cushion block 150 is connected to the connecting member 130; the cushion block 150 is additionally arranged, so that the axial gap between the elastic wave 50 and the outer support elastic sheet 110 is reduced, and the residual vibration generated by the outer support elastic sheet 110 due to vibration is reduced, thereby improving the installation stability of the outer support elastic sheet 110 and improving the structural stability of the bone conduction vibrator.

EXAMPLE six

The present embodiment provides a bone conduction listening device, including the bone conduction vibrator of the above embodiment; the bone conduction listening device can be a bone conduction hearing aid, a bone conduction intelligent glasses, a bone conduction intelligent helmet or a bone conduction earphone, the bone conduction listening device uses the bone conduction vibrator in the above embodiment, and as the bone conduction vibrator is adopted, the flexible wires sequentially pass through the first wire passing hole 12, the second wire passing hole 21 and the third wire passing hole 31 to conduct electricity to the first pad 70 and the second pad 80, so that the voice coil 40 is electrified, a mode that a lead of the voice coil 40 is electrified with an external power supply in the prior art is replaced, the sound loss condition of the bone conduction vibrator is reduced, the stability is improved, the quality of the bone conduction vibrator is improved, and the service life of the bone conduction listening device can be prolonged.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The bone conduction vibrator is characterized by comprising a U iron, a magnet, a washer, a voice coil, a damper and a conduction piece; the U-shaped iron is internally provided with a groove, the bottom of the groove is provided with a first wire passing hole, the magnet is arranged in the groove, a magnetic gap is formed between the outer side wall of the magnet and the inner side wall of the groove, the washer is arranged on the top surface of the magnet, the magnet is provided with a second wire passing hole communicated with the first wire passing hole, and the washer is provided with a third wire passing hole communicated with the second wire passing hole; the utility model discloses a line hole, including U iron, play ripples with the U iron is connected, the one end of voice coil loudspeaker voice coil stretches into in the magnetic gap, the other end of voice coil loudspeaker voice coil with play ripples and connect, the conduction piece connect in the voice coil loudspeaker voice coil is located play ripples's the outside, the inside wall of conduction piece be provided with the first pad that the voice coil loudspeaker voice coil electricity is connected, the lateral wall of U iron is provided with the second pad, the second pad is through passing according to the preface first cross the line hole the second cross the line hole with the third cross the flexible line in line hole with first pad electricity is connected.

2. The bone conduction vibrator according to claim 1, wherein the U-iron includes a small diameter cylinder, a large diameter cylinder, and a connection ring connected between the small diameter cylinder and the large diameter cylinder, a magnetic gap is formed between an outer side wall of the magnet and an inner side wall of the small diameter cylinder, and the elastic wave is connected with the large diameter cylinder.

3. The bone conduction transducer of claim 1, wherein the bone conduction transducer further comprises a bracket; the bracket comprises a horizontal annular part and a vertical cylindrical part; the outer end of the horizontal annular part is connected with the lower end of the vertical cylindrical part, the inner end of the horizontal annular part is connected with the U-shaped iron, and the elastic wave is connected with the upper end of the vertical cylindrical part.

4. The bone conduction vibrator according to claim 1, wherein the bone conduction vibrator further comprises a bracket and a spring plate; the elastic sheet is connected with the U-shaped iron, the lower end of the support is connected with the outer end of the elastic sheet, and the elastic wave is connected with the upper end of the support.

5. The bone conduction vibrator according to any one of claims 1 to 4, wherein the damper includes an outer ring, an inner ring, and a plurality of connection portions uniformly connected between the outer ring and the inner ring, the outer ring is connected to the U-bar, and the inner ring is connected to the voice coil.

6. The bone conduction vibrator according to any one of claims 1-4, wherein the flexible circuit is an FPC board or a lead wire.

7. The bone conduction vibrator according to any one of claims 1 to 4, wherein the bone conduction vibrator further comprises a tuning net; and the tuning net is connected to the outer side wall of the U-shaped iron and covers the first wire passing hole.

8. A bone conduction vibrator is characterized by comprising a U iron, a magnet, a voice coil, a washer, a damper, a conduction piece, a circuit board and a connecting piece; the U-shaped iron is internally provided with a groove, the bottom of the groove is provided with a first wire passing hole, the magnet is arranged in the groove, a magnetic gap is formed between the outer side wall of the magnet and the inner side wall of the groove, the washer is arranged on the top surface of the magnet, the magnet is provided with a second wire passing hole communicated with the first wire passing hole, and the washer is provided with a third wire passing hole communicated with the second wire passing hole; the elastic wave is connected with the U-shaped iron, the connecting piece is connected with the elastic wave, two ends of the connecting piece extend to two opposite sides of the elastic wave respectively, the circuit board is located in the groove and connected with the connecting piece, one end of the voice coil extends into the magnetic gap, the other end of the voice coil is connected with the circuit board, the conducting piece is located outside the groove and connected with the connecting piece, and the conducting piece is connected with the voice coil and located on the outer side of the elastic wave;

9. The bone conduction transducer of claim 8, wherein the bone conduction transducer further comprises an outer support spring; the outer supporting elastic sheet is connected with the connecting piece and is positioned between the conducting sheet and the elastic wave.

10. The bone conduction transducer of claim 9 wherein a spacer is coupled between the damper and the outer support spring, the spacer being coupled to the coupler.

11. A bone conduction listening device comprising the bone conduction vibrator according to any one of claims 1 to 10.