CN218550179U - Bone conduction loudspeaker - Google Patents

Abstract

The utility model belongs to the technical field of bone conduction speaker, especially, relate to a bone conduction speaker, include: the two opposite ends of the elastic support ring are respectively connected with a first mounting part and a second mounting part, and a cavity is formed among the elastic support ring, the first mounting part and the second mounting part; the magnetic circuit mechanism is arranged in the accommodating cavity and is provided with a magnetic gap; the voice coil is arranged in the magnetic gap and is connected with the first mounting piece or the second mounting piece; the during operation, magnetic circuit mechanism provides the magnetic field for the magnetic gap, and the voice coil loudspeaker voice coil circular telegram is reciprocating vibration in the magnetic field in magnetic gap, through voice coil loudspeaker voice coil and magnetic circuit mechanism interact, drives the reciprocal compression elasticity support ring of first installed part and second installed part and produces the vibration, and the sound wave that the vibration produced directly transmits to first installed part to spread through first installed part, the sound distortion is little. And simultaneously, the utility model discloses a bone conduction speaker simple structure for the product equipment is simple, is favorable to the production and processing.

Description

Bone conduction loudspeaker

Technical Field

The utility model belongs to the technical field of bone conduction speaker, especially, relate to a bone conduction speaker.

Background

Bone conduction is a sound conduction mode, namely, sound is converted into mechanical vibration with different frequencies, and sound waves are transmitted through the skull, the bone labyrinth, the lymph fluid transmission of the inner ear, the spiral organ, the auditory nerve and the auditory center of a human body. Compared with a classical sound conduction mode of generating sound waves through a vibrating diaphragm, the bone conduction mode omits a plurality of sound wave transmission steps, can realize clear sound restoration in a noisy environment, and does not influence other people due to the fact that the sound waves are diffused in the air. The bone conduction speaker technology is used for receiving, sound waves (vibration signals) converted from electric signals are directly transmitted to auditory nerves through bones, and transmission media of the sound waves (vibration signals) are different.

Chinese utility model patent application No. CN201921676534.0 discloses a bone conduction speaker, bone conduction earphone and bone conduction audiphone. The bone conduction speaker described above includes: a magnetic component; a voice coil; the elastic assembly comprises a first elastic piece and a second elastic piece, the first elastic piece and the second elastic piece are respectively arranged at two opposite ends of the magnetic assembly, and the voice coil is electrically connected to the first elastic piece or the second elastic piece; a first mounting member connected to the second elastic member; the supporting component is respectively connected with the first elastic piece and the second elastic piece, a magnetic gap is formed between the magnetic assembly and the supporting component, and the voice coil is arranged in the magnetic gap; when the vibration-damping device works, the elastic component and the magnetic component vibrate together; the bone conduction earphone or the bone conduction hearing aid comprises the bone conduction speaker. The utility model discloses a bone conduction speaker, the volume can be done for a short time, be favorable to the low frequency sound wave transmission. However, the bone conduction speaker has a relatively complex structure, which results in complex assembly of the product and is not conducive to production and processing. In addition, first elastic component and second elastic component need deformation output vibration, make first elastic component and second elastic component need set up sufficient length and guarantee its effective vibration, lead to bone conduction speaker's overall structure can't further reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bone conduction speaker aims at solving among the prior art bone conduction speaker structure relatively more complicated, leads to the product equipment more complicated, is unfavorable for the technical problem of production and processing.

In order to achieve the above object, an embodiment of the present invention provides a bone conduction speaker, including:

the elastic support ring is characterized in that two opposite ends of the elastic support ring are respectively connected with a first mounting part and a second mounting part, and a cavity is formed among the elastic support ring, the first mounting part and the second mounting part;

the magnetic circuit mechanism is arranged in the containing cavity and is provided with a magnetic gap; and

and a voice coil mounted in the magnetic gap and connected to the first mount or the second mount.

Optionally, the magnetic circuit mechanism comprises a magnetic assembly and a "U" iron; the U-shaped iron is arranged on the second installation part, the magnetic assembly is arranged in the U-shaped iron, and the magnetic gap is arranged in the U-shaped iron; one end of the voice coil is connected to the first mounting part, and the other end of the voice coil penetrates through the magnetic gap.

Optionally, the magnetic assembly comprises at least one internal magnetic member; a magnetic gap is formed between the inner magnetic piece and the U-shaped iron;

or, the magnetic assembly comprises at least one inner magnetic part and at least one annular magnetic part; the annular magnetic piece is sleeved outside the inner magnetic piece, and the magnetic gap is formed between the annular magnetic piece and the inner magnetic piece.

Optionally, the magnetic circuit mechanism comprises a magnetic assembly and a "T" iron; the T-shaped iron is arranged on the second mounting piece, the magnetic assembly is sleeved outside the T-shaped iron, and the magnetic gap is formed between the magnetic assembly and the T-shaped iron; one end of the voice coil is connected to the first mounting part, and the other end of the voice coil penetrates through the magnetic gap.

Optionally, the magnetic assembly comprises at least one annular magnetic member; the annular magnetic part is sleeved outside the T iron, and the magnetic gap is formed between the annular magnetic part and the T iron.

Optionally, the magnetic circuit mechanism comprises at least one inner magnetic element and at least one annular magnetic element both mounted on the second mounting element; the annular magnetic piece is sleeved outside the inner magnetic piece, and the magnetic gap is formed between the annular magnetic piece and the inner magnetic piece; one end of the voice coil is connected to the first mounting part, and the other end of the voice coil penetrates through the magnetic gap.

Optionally, the first installation part is located one side of the containing cavity is convexly provided with a first connecting part, the second installation part is located one side of the containing cavity is convexly provided with a second connecting part, and two ends of the elastic support ring are respectively sleeved with the first connecting part and the second connecting part in an adaptive manner.

Optionally, the elastic support ring is a spirally wound elastic ring.

Optionally, the elastic support ring is an accordion-shaped elastic ring.

Optionally, the elastic support ring is an elastic soft rubber support piece.

Compared with the prior art, the embodiment of the utility model provides an above-mentioned one or more technical scheme in the bone conduction speaker have one of following technological effect at least:

1. during operation, magnetic circuit mechanism provides the magnetic field for the magnetic gap, and the voice coil loudspeaker voice coil circular telegram is reciprocating vibration in the magnetic field in magnetic gap, through voice coil loudspeaker voice coil and magnetic circuit mechanism interact, drives the reciprocal compression elasticity support ring of first installed part and second installed part and produces the vibration, and the sound wave that the vibration produced directly transmits first installed part and/or second installed part to spread through first installed part and/or second installed part, the sound distortion is little. And simultaneously, the utility model discloses a bone conduction speaker simple structure for the product equipment is simple, is favorable to the production and processing.

2. The vibration structure adopting the elastic support ring replaces the vibration structure adopting the first elastic part and the second elastic part of the existing bone conduction loudspeaker, a vibration space which is long enough does not need to be reserved for the first elastic part and the second elastic part, and the integral structure of the bone conduction loudspeaker can be further reduced.

3. Adopt the elastic support ring to replace the vibrating structure of traditional shell fragment, elastic support ring's support nature and elasticity are more stable, have solved traditional shell fragment and have warp the bad problem of sound production that causes easily when vibrating, have improved the utility model discloses a bone conduction speaker operation yield to use cost has been reduced.

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 speaker according to a first embodiment of the present invention.

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

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

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

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

Fig. 6 is a schematic structural diagram of a bone conduction speaker according to a sixth embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a bone conduction speaker according to a seventh embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a bone conduction speaker according to an eighth embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a bone conduction speaker according to the ninth embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a bone conduction speaker according to a tenth embodiment of the present invention.

Fig. 11 is a schematic structural view of the elastic support ring of the present invention.

Wherein, in the figures, the various reference numbers:

100. an elastic support ring; 110. a housing chamber;

200. a magnetic component; 201. a magnetic gap; 210. an internal magnetic member; 220. an annular magnetic member; 230. a magnetic conductive member; 240. "U" iron; 250. "T" iron;

300. a voice coil;

400. a first mounting member; 410. a first connection portion;

500. a second mounting member; 510. a second connecting portion.

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 by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present 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 of ordinary skill in the art according to specific situations.

The first embodiment is as follows:

referring to fig. 1, there is provided a bone conduction speaker including an elastic support ring 100, a magnetic circuit mechanism 20, and a voice coil 300.

The elastic support ring 100 has elasticity and a supporting function, the two opposite ends of the elastic support ring 100 are respectively connected with the first mounting part 400 and the second mounting part 500, and a cavity 110 is formed among the elastic support ring 100, the first mounting part 400 and the second mounting part 500.

The magnetic circuit mechanism 20 is installed in the cavity 110, and the magnetic circuit mechanism 20 has a magnetic gap 201.

The voice coil 300 is mounted in the magnetic gap 201, and the voice coil 300 is connected to the first mount 400 or the second mount 500. The voice coil 300 cuts magnetic lines of force to generate electromotive force, and the shape, structure, and material of the voice coil 300 are not limited as long as the function can be achieved. Specifically, the magnetic circuit mechanism 20 is mounted on the second mounting member 500, and the voice coil 300 is connected to the first mounting member 400, or the magnetic circuit mechanism 20 is mounted on the first mounting member 400, and the voice coil 300 is connected to the second mounting member 500, which is not limited herein.

Here, the first mounting member 400 or the second mounting member 500 may be a conductive member, or the first mounting member 400 or the second mounting member 500 may serve as a connecting member for connecting the conductive member through which sound waves (sound) are transmitted. When the first and second mounting members 400 and 500 function as conductive members, the first and second mounting members 400 and 500 may be generally a piezoceramic sheet, a PC conductive sheet, or other types of conductive elements, etc., without limitation. The first and second mounting members 400 and 500 may be directly mounted on the elastic support ring 100, or may be mounted on the elastic support ring 100 by a connector (not shown), which is not limited herein. When the first mounting part 400 and the second mounting part 500 are used as a connector, the first mounting part 400 and the second mounting part 500 may be made of metal, plastic, etc., and are not limited herein.

In other embodiments, the first and second mounting members 400 and 500 may be elastic pieces, so that the vibration effect is more excellent.

Referring to fig. 1, in operation, the magnetic circuit mechanism 20 provides a magnetic field for the magnetic gap 201, the voice coil 300 is energized to vibrate in the magnetic field of the magnetic gap 201 in a reciprocating manner, the voice coil 300 interacts with the magnetic circuit mechanism 20 to drive the first mounting member 400 and the second mounting member 500 to compress the elastic support ring 100 in a reciprocating manner to generate vibration, sound waves generated by the vibration are directly transmitted to (directly act on) the first mounting member 400 and/or the second mounting member 500 and are transmitted out through the first mounting member 400 and/or the second mounting member 500, and sound distortion is small. And simultaneously, the utility model discloses a bone conduction speaker simple structure for the product equipment is simple, is favorable to the production and processing.

In addition, the vibration structure using the elastic support ring 100 replaces the vibration structure using the first elastic member and the second elastic member of the conventional bone conduction speaker, and a sufficiently long vibration space does not need to be reserved for the first elastic member and the second elastic member, so that the overall structure of the bone conduction speaker can be further reduced.

In addition, adopt elastic support ring 100 to replace the vibration structure of traditional shell fragment, elastic support ring 100's support nature and elasticity are more stable, have solved traditional shell fragment and have warp the bad problem of sound production that causes easily when vibrating, have improved the utility model discloses a bone conduction speaker operation yield to use cost has been reduced.

Further, referring to fig. 1, a first connecting portion 410 is convexly disposed on one side of the first mounting member 400 located in the cavity 110, the first end annular hole of the elastic support ring 100 is adapted to be sleeved on the first connecting portion 410, the first connecting portion 410 is matched with the annular hole of the elastic support ring 100 to play a role in positioning, so that the first mounting member 400 is conveniently and fixedly mounted on the first end of the elastic support ring 100, and the assembly is convenient. The first mounting member 400 may be fixedly mounted on the first end of the elastic support ring 100 by clamping, welding, adhesive bonding, screwing, or the like.

Further, referring to fig. 1, a second connecting portion 510 is convexly disposed on one side of the second mounting member 500 located in the cavity 110, and a second end ring hole of the elastic support ring 100 is fittingly sleeved on the second connecting portion 510. The second connecting portion 510 is matched with the annular hole of the elastic support ring 100 to play a positioning role, so that the second mounting member 500 is conveniently and fixedly mounted on the second end of the elastic support ring 100, and the assembly is convenient. The second mounting member 500 may be fixedly mounted on the second end of the elastic support ring 100 by clamping, welding, adhesive bonding, screwing, or the like.

The first connecting portion 410 and the second connecting portion 510 may be in a ring shape, a circular shape, or other shapes, and may be connected with the elastic support ring 100, which is not limited herein.

Further, referring to fig. 1, the magnetic circuit mechanism 20 includes a magnetic assembly 200 and a "U" iron 240. The "U" iron 240 is mounted to the second mounting member 500, the magnetic assembly 200 is mounted in the "U" iron 240, the magnetic assembly 200 generates a magnetic field in the "U" iron 240, the "U" iron 240 has the magnetic gap 201 therein, and the "U" iron 240 concentrates the magnetic field generated by the magnetic assembly 200 in the magnetic gap 201, thereby enhancing the magnetic field in the magnetic gap 201. One end of the voice coil 300 is connected to the first mounting member 400, and the other end of the voice coil 300 penetrates through the magnetic gap 201, so that the structure is simple.

The magnetic assembly 200 is mainly used for providing a magnetic field, and the magnetic assembly 200 may be any magnet or magnet group, as long as it can provide a magnetic field, and is not limited herein. The magnetic assembly 200 may be fixed to the second mounting member 500 by welding, clamping, bonding, or the like. The voice coil 300 may be fixed to the first mount 400 by welding, clamping, bonding, or the like.

Further, referring to fig. 1, the magnetic assembly 200 includes at least one internal magnetic element 210. The inner magnetic piece 210 is fixed to the middle of the second mounting member 500, and the magnetic gap 201 is formed between the inner magnetic piece 210 and the "U" iron 240. The magnetic field is generated by the inner magnetic piece 210 and is concentrated in the magnetic gap 201, and the structure is simple.

Specifically, referring to fig. 1, an end of the inner magnetic member 210 away from the second mounting member 500 is provided with a magnetic conductive member 230. Referring to fig. 2, the magnetic conductive member 230 is configured to conduct magnetic, so that the inner magnetic member 210 provides a uniform magnetic field to the magnetic gap 201 through the magnetic conductive member 230, and the voice coil 300 vibrates back and forth in the uniform magnetic field, so that the bone conduction speaker has high sensitivity and low distortion. Wherein the magnetic conductive member 230 is washer.

Specifically, the inner magnetic member 210 may be a circular magnet, a ring magnet, or another shaped magnet, which is not limited herein.

In this embodiment, referring to fig. 1, the inner magnetic member 210 is a circular magnet, and the magnetic conductive member 230 is a circular washer.

The second embodiment:

referring to fig. 1, the structure of the second embodiment is substantially the same as that of the first embodiment, and the difference is that: in the second embodiment, the inner magnetic member 210 is a ring magnet, and the magnetic conductive member 230 is a ring washer.

Example three:

referring to fig. 3, the structure of the third embodiment is substantially the same as that of the first embodiment, except that: in the third embodiment, two inner magnetic members 210 are provided, and a magnetic conductive member 230 is provided between the two inner magnetic members 210. Of course, in other embodiments, there may be more than two inner magnetic members 210, and a magnetic conductive member 230 is disposed between two adjacent inner magnetic members 210, so the number of the inner magnetic members 210 is not limited herein.

Example four:

referring to fig. 4, the structure of the fourth embodiment is substantially the same as that of the first embodiment, except that: in the fourth embodiment, two inner magnetic members 210 are provided, and one ends of the two inner magnetic members 210, which are far away from the second mounting member 500, are both provided with a magnetic conductive member 230. Correspondingly, the voice coil 300 is provided with two voice coils 300, the two voice coils 300 are connected up and down, the two voice coils 300 respectively correspond to the two inner magnetic pieces 210, so that the voice coil 300 vibrates more sensitively, the vibration sensitivity of the voice coil 300 is improved, and the tone quality of the bone conduction speaker is improved. Of course, the voice coil 300 may be provided with three or more, and correspondingly, the inner magnetic member 210 may be provided with three or more.

Example five:

referring to fig. 5 and fig. 4, the fifth embodiment is basically the same as the first embodiment in structure, except that: the magnetic assembly 200 of the fifth embodiment includes at least one inner magnetic element 210 and at least one annular magnetic element 220. The inner magnetic member 210 and the annular magnetic member 220 are fixed to the second mounting member 500, the annular magnetic member 220 is sleeved outside the inner magnetic member 210, preferably, the annular magnetic member 220 is tightly attached to the inner wall of the U-shaped iron 240, and the magnetic gap 201 is formed between the annular magnetic member 220 and the inner magnetic member 210.

Preferably, both the inner magnetic member 210 and the annular magnetic member 220 can generate magnetic fields, and the "U" iron 240 concentrates the magnetic fields generated by the inner magnetic member 210 and the annular magnetic member 220 in the magnetic gap 201, so as to greatly enhance the magnetic field in the magnetic gap 201, thereby improving the sensitivity of the voice coil 300 to vibration with little sound distortion.

Further, the ends of the inner magnetic member 210 and the annular magnetic member 220 away from the second mounting member 500 are both provided with a magnetic conductive member 230.

The number of the inner magnetic members 210 is the same as that of the annular magnetic members 220, and the number of the inner magnetic members 210 and the annular magnetic members 220 may be one or more, which is not limited herein. When the number of the inner magnetic members 210 and the number of the annular magnetic members 220 are plural, magnetic conductive members 230 are respectively disposed between two adjacent inner magnetic members 210 and between two adjacent annular magnetic members 220.

At least one of the inner magnetic element 210 and the annular magnetic element 220 is a magnet, and the other is a magnet or a metal capable of generating magnetic attraction with the magnet. For example, the purpose of generating the magnetic circuit can be achieved when the inner magnetic element 210 is a magnet, the annular magnetic element 220 is a metal iron, or the inner magnetic element 210 is a metal iron, and the annular magnetic element 220 is a magnet, or both the inner magnetic element 210 and the annular magnetic element 220 are magnets.

Preferably, the inner magnetic member 210 and the annular magnetic member 220 are both magnets in order to provide a strong magnetic field to the magnetic gap 201 and to improve the sensitivity of the voice coil 300 to vibration. Both the inner magnetic member 210 and the ring-shaped magnetic member 220 can generate a magnetic field, thereby greatly enhancing the magnetic field in the magnetic gap 201.

Example six:

referring to fig. 1, in the first embodiment, the "U" iron 240 and the second mounting member 500 are two separate pieces, and the "U" iron 240 can be fixed to the second mounting member 500 by welding, clamping, screwing, or the like.

Referring to fig. 6, the structure of the sixth embodiment is substantially the same as that of the first embodiment, except that: this "U" iron 240 in this embodiment six and second installed part 500 structure as an organic whole, and processing is convenient, compact structure.

Example seven:

referring to fig. 7, the structure of the seventh embodiment is substantially the same as that of the first embodiment, except that: the magnetic circuit mechanism 20 includes a magnetic assembly 200 and a "T" iron 250. The T-shaped iron 250 is mounted on the second mounting member 500, the magnetic assembly 200 is sleeved outside the T-shaped iron 250, the magnetic assembly 200 generates a magnetic field outside the T-shaped iron 250, the magnetic gap 201 is formed between the magnetic assembly 200 and the T-shaped iron 250, and the T-shaped iron 250 concentrates the magnetic field generated by the magnetic assembly 200 in the magnetic gap 201, so that the magnetic field in the magnetic gap 201 can be enhanced. One end of the voice coil 300 is connected to the first mounting member 400, and the other end of the voice coil 300 penetrates through the magnetic gap 201, so that the structure is simple.

It is understood that, in the present embodiment, the magnetic assembly 200 may be a magnet with any shape, which can generate a magnetic field, and is not limited herein.

Further, referring to fig. 7, the magnetic assembly 200 includes at least one ring-shaped magnetic member 220. The annular magnetic member 220 is sleeved outside the T-shaped iron 250 and fixed to the second mounting member 500, and the magnetic gap 201 is formed between the annular magnetic member 220 and the T-shaped iron 250. The ring-shaped magnetic member 220 is a magnet, and provides a uniform magnetic field to the magnetic gap 201 through the ring-shaped magnetic member 220, and concentrates the magnetic field in the magnetic gap 201. The number of the annular magnetic members 220 may be one or more, and is not limited herein.

In this embodiment, referring to fig. 7, the "T" iron 250 and the second mounting member 500 are integrated, so that the processing is convenient and the structure is compact.

In other embodiments, the "T" iron 250 and the second mounting member 500 may be two separate pieces, and the "T" iron 250 may be fixed to the second mounting member 500 by welding, clamping, screwing, or the like.

Example eight:

referring to fig. 8, the structure of the eighth embodiment is substantially the same as that of the fifth embodiment, except that: the "U" iron 240 is not provided in this embodiment.

Specifically, referring to fig. 8, the magnet assembly 200 includes at least one inner magnet 210 and at least one annular magnet 220, both mounted to the second mount 500. The annular magnetic member 220 is sleeved outside the inner magnetic member 210, and the magnetic gap 201 is formed between the annular magnetic member 220 and the inner magnetic member 210. One end of the voice coil 300 is connected to the first mounting member 400, and the other end of the voice coil 300 is inserted into the magnetic gap 201.

Preferably, the inner magnetic member 210 and the annular magnetic member 220 are both magnets, both the inner magnetic member 210 and the annular magnetic member 220 can generate magnetic fields, and the "U" iron 240 concentrates the magnetic fields generated by the inner magnetic member 210 and the annular magnetic member 220 in the magnetic gap 201, so that the magnetic field in the magnetic gap 201 is greatly enhanced, the vibration sensitivity of the voice coil 300 is improved, and the sound distortion is small.

Example nine:

referring to fig. 1 and 11, in the first embodiment, the elastic support ring 100 is a spirally wound elastic ring, the spirally wound elastic ring can stably support the first mounting member 400 and the second mounting member 500, and under the interaction of the voice coil 300 and the magnetic assembly 200, the first mounting member 400 and the second mounting member 500 can reciprocally compress the spirally wound elastic ring to generate vibration, thereby generating sound waves.

The elastic support ring 100 may be made of metal, plastic, etc., but is not limited thereto.

Further, referring to fig. 1 and 11, the spirally wound elastic ring may be a spring, and the structure is simple. The spring can stably support the first and second mounting members 400 and 500, and the first and second mounting members 400 and 500 can reciprocally compress the spring to generate vibration, thereby generating sound waves, under the interaction of the voice coil 300 and the magnetic assembly 200. The thickness and the number of turns of the spring are determined according to actual production requirements, and are not limited herein.

Preferably, the elastic support ring 100 is a rectangular spring, and has high stability.

Referring to fig. 9, the structure of the ninth embodiment is substantially the same as that of the first embodiment, except that: the elastic support ring 100 in this embodiment is an accordion-shaped elastic ring, which can stably support the first mounting member 400 and the second mounting member 500, and under the interaction between the voice coil 300 and the magnetic assembly 200, the first mounting member 400 and the second mounting member 500 can reciprocally compress the accordion-shaped elastic ring to generate vibration, thereby generating sound waves.

Example ten:

referring to fig. 10, the structure of the tenth embodiment is substantially the same as that of the first embodiment, except that: the elastic support ring 100 in this embodiment is an elastic soft rubber support, for example: the elastic soft rubber support piece can be made of rubber or silica gel and the like. This elasticity flexible glue support piece can stably support first installed part 400 and second installed part 500, and under voice coil 300 and magnetic component 200 interact, this elasticity flexible glue support piece of first installed part 400 and second installed part 500 reciprocal compression produces vibration to the sound wave of production.

Wherein, the both ends of this elasticity flexible glue support piece accessible welding, joint, mode such as bonding and first installed part 400 and second installed part 500 fixed connection.

The rest of this embodiment is the same as the first embodiment, and the features that are not explained in this embodiment are all explained as the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims (10)

1. A bone conduction speaker, comprising:

the elastic support ring (100), a first mounting part (400) and a second mounting part (500) are respectively connected to two opposite ends of the elastic support ring (100), and a cavity (110) is formed among the elastic support ring (100), the first mounting part (400) and the second mounting part (500);

the magnetic circuit mechanism (20) is arranged in the cavity (110), and the magnetic circuit mechanism (20) is provided with a magnetic gap (201); and

a voice coil (300) mounted in the magnetic gap (201) and connected to the first mount (400) or the second mount (500).

2. The bone conduction speaker of claim 1, wherein: the magnetic circuit mechanism (20) comprises a magnetic assembly (200) and a 'U' iron (240); the "U" iron (240) is mounted on the second mount (500), the magnetic assembly (200) is mounted within the "U" iron (240), the "U" iron (240) having the magnetic gap (201) therein; one end of the voice coil (300) is connected to the first mounting part (400), and the other end of the voice coil (300) penetrates through the magnetic gap (201).

3. The bone conduction speaker of claim 2, wherein: the magnetic assembly (200) comprises at least one internal magnetic piece (210); the magnetic gap (201) is formed between the inner magnetic piece (210) and the U-shaped iron (240);

or, the magnetic assembly (200) comprises at least one inner magnetic element (210) and at least one annular magnetic element (220); the annular magnetic piece (220) is sleeved outside the inner magnetic piece (210), and the magnetic gap (201) is formed between the annular magnetic piece (220) and the inner magnetic piece (210).

4. The bone conduction speaker of claim 1, wherein: the magnetic circuit mechanism (20) comprises a magnetic assembly (200) and a T-shaped iron (250); the T-shaped iron (250) is mounted on the second mounting part (500), the magnetic assembly (200) is sleeved outside the T-shaped iron (250), and the magnetic gap (201) is formed between the magnetic assembly (200) and the T-shaped iron (250); one end of the voice coil (300) is connected to the first mounting part (400), and the other end of the voice coil (300) penetrates through the magnetic gap (201).

5. The bone conduction speaker of claim 4, wherein: the magnetic assembly (200) comprises at least one annular magnetic member (220); the annular magnetic part (220) is sleeved outside the T-shaped iron (250), and a magnetic gap (201) is formed between the annular magnetic part (220) and the T-shaped iron (250).

6. The bone conduction speaker of claim 1, wherein: the magnetic circuit mechanism (20) comprises at least one inner magnetic element (210) and at least one annular magnetic element (220) which are both mounted on the second mounting part (500); the annular magnetic piece (220) is sleeved outside the inner magnetic piece (210), and a magnetic gap (201) is formed between the annular magnetic piece (220) and the inner magnetic piece (210); one end of the voice coil (300) is connected to the first mounting part (400), and the other end of the voice coil (300) penetrates through the magnetic gap (201).

7. A bone conduction speaker as claimed in any one of claims 1-6, wherein: the first installation part (400) is located one side in the accommodating cavity (110) is convexly provided with a first connecting part (410), the second installation part (500) is located one side in the accommodating cavity (110) is convexly provided with a second connecting part (510), and two ends of the elastic support ring (100) are respectively matched and sleeved with the first connecting part (410) and the second connecting part (510).

8. A bone conduction speaker as claimed in any one of claims 1-6, wherein: the elastic support ring (100) is an elastic ring spirally wound.

9. A bone conduction speaker according to any one of claims 1-6, wherein: the elastic support ring (100) is an elastic ring with an accordion shape.

10. A bone conduction speaker as claimed in any one of claims 1-6, wherein: the elastic support ring (100) is an elastic soft rubber support piece.

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