CN217985384U - Sound production device and electronic equipment - Google Patents

Abstract

The utility model belongs to the technical field of electroacoustic conversion equipment, concretely relates to sound generating mechanism and have this sound generating mechanism's electronic equipment. The utility model discloses a sound generating mechanism includes casing, vibrating diaphragm and magnetic circuit assembly, and the vibrating diaphragm links to each other with the casing, and the vibrating diaphragm is equipped with the ring that rolls over towards the sunken setting in inside of casing, and magnetic circuit assembly includes at least one first china department and at least one second china department, and at least one first china department links to each other with the casing, and at least one second china department sets up with at least one first china department relatively, and is equipped with first clearance between first china department and second china department, and at least some first clearances roll over the vibration direction of ring edge vibrating diaphragm with at least part and just to setting up. According to the utility model discloses a sound generating mechanism, when the vibrating diaphragm drives and rolls over the ring vibration, at least partial first clearance forms in the vibration direction of rolling over the ring and dodges the space to at the vibration in-process of vibrating diaphragm, roll over the ring and can not strike first china department and second china department, and then avoid rolling over the damage of ring, guarantee sound generating mechanism's normal sound production.

Description

Sound production device and electronic equipment

Technical Field

The utility model belongs to the technical field of electroacoustic conversion equipment, concretely relates to sound generating mechanism and have this sound generating mechanism's electronic equipment.

Background

A speaker plays an indispensable role in a sound reproduction system as a common electroacoustic transducer device for converting electric energy into acoustic energy. The loudspeaker is the weakest component in the sound reproduction system, and is the most important component for the sound reproduction effect. The loudspeaker has various types, and audio electric energy enables a cone or a diaphragm to vibrate and generate resonance with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects. Therefore, people can hear wonderful sound just with the appearance of the loudspeaker and the receiver.

The corrugated rim of the existing loudspeaker is generally arranged towards the inner part of the loudspeaker in a concave mode, and injection molding washers are generally arranged below the corrugated rim at intervals. Because present electronic equipment all develops towards the direction of frivolousization, the reduction of speaker overall dimension must lead to the reduction of speaker inner space to lead to the reduction of the interval size between corrugated rim and the china department of moulding plastics. When the loudspeaker vibrating diaphragm vibrates, the broken ring easily strikes the washer of moulding plastics at the vibration in-process to lead to the damage of broken ring, and then influence the normal sound production of speaker.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the roll over ring is easy to impact the injection molding washer in the vibration process. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a sound generating mechanism, and this sound generating mechanism includes:

a housing;

the vibrating diaphragm is connected with the shell and provided with a folding ring which is concavely arranged towards the inside of the shell;

the magnetic circuit assembly comprises at least one first washer and at least one second washer, the at least one first washer is connected with the shell, the at least one second washer is opposite to the at least one first washer, a first gap is formed between the first washer and the second washer, and at least part of the first gap and at least part of the folding ring are arranged in a mode of being opposite to each other along the vibration direction of the vibrating diaphragm.

According to the utility model discloses a sound generating mechanism, through setting up first china department and second china department, first china department and second china department set up relatively and are equipped with first clearance between the two, first clearance is just to setting up with rolling over the ring along the vibration direction at least part of vibrating diaphragm, when the vibrating diaphragm drives and rolls over the ring vibration, at least part first clearance forms in the vibration direction of rolling over the ring and dodges the space, thereby at the vibration in-process of vibrating diaphragm, roll over the ring and can not impact first china department and second china department, and then avoid rolling over the damage of ring, guarantee sound generating mechanism's normal sound production.

In addition, according to the utility model discloses a sound generating mechanism still can have following additional technical characterstic:

in some embodiments of the present invention, the magnetic circuit assembly further includes a central magnet and at least two side magnets symmetrically disposed with respect to the central magnet, the central magnet and the side magnets are formed with a magnetic gap therebetween, and the second washer is connected to the side magnets.

In some embodiments of the present invention, the sound generating device further comprises a magnetic yoke, the central magnet and the side magnet are jointly disposed on the magnetic yoke, at least one side surface of the side magnet is correspondingly provided with a first bending portion, wherein,

a part of the magnetic yoke is bent upwards to form the first bent part;

or, a part of the second washer is bent downwards to form the first bent part;

or, the first bending part is connected with the magnetic yoke or the second washer.

In some embodiments of the present invention, the side magnet faces the side of the first washer, the first bending portion is disposed on the side of the first washer, and/or the first bending portion is disposed on the side of the side magnet, the side of the side magnet is disposed on the side of the first washer, and the side of the side magnet is disposed on the side of the first washer.

In some embodiments of the present invention, the second washer and the yoke are connected by the first bending portion.

The utility model discloses an in some embodiments, first kink does a part of second china department, second china department still includes main part and second kink, the main part with the limit magnet links to each other, the second kink with the yoke links to each other, the main part with the second kink is located respectively the both sides of first kink just pass through first kink links to each other.

In some embodiments of the present invention, the number of the second washers is consistent with the number of the side magnets, and the second washers are connected to the side magnets in a one-to-one correspondence.

The utility model discloses an in some embodiments, the second china orientation the surface of vibrating diaphragm is the ladder face, the ladder face with the interval size of vibrating diaphragm is followed the inside of casing is by little grow towards the direction of outside.

In some embodiments of the present invention, the at least one first washer is an annular washer, and/or at least a part of the structure of the first washer is embedded in the side wall of the housing.

The utility model discloses an on the other hand has still provided an electronic equipment, electronic equipment has above-mentioned arbitrary sound generating mechanism.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. Wherein:

fig. 1 is a schematic structural diagram of a sound generating device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the sound generating device according to an embodiment of the present invention after the diaphragm is removed;

fig. 3 is an exploded schematic view of a sound generating device according to an embodiment of the present invention;

fig. 4 is a schematic view of a distribution structure of the first washer and the second washer of the sound generating device according to an embodiment of the present invention;

fig. 5 isbase:Sub>A schematic sectional view ofbase:Sub>A-base:Sub>A ofbase:Sub>A sound generating device according to an embodiment of the present invention;

fig. 6 is an enlarged schematic structural view of a C portion of the sound generating device according to an embodiment of the present invention;

fig. 7 isbase:Sub>A schematic sectional view ofbase:Sub>A-base:Sub>A of the sound generating device according to an embodiment of the present invention;

fig. 8 is an enlarged schematic view of a D portion of a sound generating device according to an embodiment of the present invention;

fig. 9 isbase:Sub>A schematic sectional view ofbase:Sub>A-base:Sub>A ofbase:Sub>A sound generating device according to an embodiment of the present invention;

fig. 10 is an enlarged schematic view of a portion E of the sound generating device according to an embodiment of the present invention;

fig. 11 is a schematic sectional view of a sound generating device B-B according to an embodiment of the present invention.

The reference numerals in the drawings denote the following:

1: a sound producing device;

10: a shell body,

20: vibrating diaphragm, 21: folding the ring;

30: magnetic circuit assembly, 31: first washer, 311: first gap, 32: second washer, 321: main body portion, 3211: first step surface, 3212: second step surface, 3213: third step face, 322: first bent portion, 323: a second bending portion;

33: center magnet, 34: side magnet, 35: a central washer;

40: a magnetic yoke;

50: voice coil, 51: supporting a piece;

60: and (4) a ball top.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience in description, the relationship of one element or feature to another element or feature as illustrated in the figures may be described herein using spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "over", and the like. This spatially relative term is intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "at 8230; \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The corrugated rim of the existing loudspeaker is generally arranged towards the inner part of the loudspeaker in a concave mode, and injection molding washers are generally arranged below the corrugated rim at intervals. Because present electronic equipment all develops towards the direction of frivolousization, the reduction of speaker overall dimension must lead to the reduction of speaker inner space to lead to the reduction of the interval size between corrugated rim and the china department of moulding plastics. When the loudspeaker vibrating diaphragm vibrates, the corrugated rim easily collides the injection-molded washer in the vibration process, so that the corrugated rim is damaged, and the normal sound production of the loudspeaker is influenced.

This application provides a sound generating mechanism for this, and sound generating mechanism can be the speaker, can solve effectively that the edge is strikeed easily in the vibration process and moulds plastics the problem of china department. With reference to fig. 1 to 4, in an embodiment of the present invention, the sound generating device 1 includes a housing 10, a diaphragm 20 and a magnetic circuit assembly 30, the diaphragm 20 is connected to the housing 10, the diaphragm 20 is provided with a folding ring 21 recessed toward the inside of the housing 10, the magnetic circuit assembly 30 includes at least one first washer 31 and at least one second washer 32, the at least one first washer 31 is connected to the housing 10, the at least one second washer 32 is disposed opposite to the at least one first washer 31, a first gap 311 is disposed between the first washer 31 and the second washer 32, and at least a portion of the first gap 311 and at least a portion of the folding ring 21 are disposed opposite to each other along a vibration direction of the diaphragm 10.

Specifically, the casing 10 constitutes a main structure of the sound generating apparatus 1, and an accommodating chamber is provided inside the casing 10. The top of the accommodating chamber is provided with an opening, and the diaphragm 20 is connected to the housing 10 and provided at the top opening. In some embodiments of the present invention, the vibrating diaphragm 20 may be a rectangular vibrating diaphragm, the outer edge of the vibrating diaphragm 20 is surrounded by a folding ring 21 recessed toward the inside of the casing 10, and the structure surrounded by the folding ring 21 is also a rectangular structure. The magnetic circuit assembly 30 is disposed in the accommodating cavity of the housing 10, and is used for generating a magnetic field and driving the voice coil 50 to reciprocate up and down in a direction perpendicular to the diaphragm 20 under the condition that the voice coil 50 is powered, so as to drive the diaphragm 20 to vibrate. It should be noted that, in order to show the internal structure of the casing 10, a dome 60 and two second washers 32 are schematically shown in fig. 1, which are arranged inside the casing 10. Wherein, the ball top 60 is connected with the surface of the diaphragm 20 facing the inside of the casing 10, so as to improve the rigidity of the diaphragm 20, the bottom end of the voice coil 50 is inserted into the magnetic gap of the magnetic circuit 30, and the top end of the voice coil 50 is connected with the ball top 60, so that the diaphragm 20 is driven by the ball top 60 to vibrate and sound.

According to the utility model discloses a sound generating mechanism 1, through setting up first china department 31 and second china department 32, first china department 31 and second china department 32 set up relatively and are equipped with first clearance 311 between the two, first clearance 311 is just to setting up with folding ring 21 along the vibration direction at least part of vibrating diaphragm 20, when vibrating diaphragm 20 drives folding ring 21 vibration, at least part first clearance 311 forms the space of dodging in folding ring 21's vibration direction, thereby at vibrating diaphragm 20's vibration in-process, folding ring 21 can not clash into first china department 31 and second china department 32, and then avoid folding ring 21's damage, guarantee sound generating mechanism 1's normal sound production.

Referring again to fig. 1 to 4, in some embodiments of the present invention, the magnetic circuit assembly 30 further includes a central magnet 33 and at least two side magnets 34 symmetrically disposed with respect to the central magnet 33, a magnetic gap is formed between the central magnet 33 and the side magnets 34, and the second washer 32 is connected to the side magnets 34.

Specifically, the number of the side magnets 34 may be four, four side magnets 34 are rectangular strip magnets and are arranged around the circumferential direction of the central magnet 33, two of the four side magnets 34 are symmetrically arranged in the length direction of the central magnet 33, the other two side magnets 34 of the four side magnets 34 are symmetrically arranged in the width direction of the central magnet 31, any one side magnet 34 is arranged at an interval with the central magnet 33 and forms a magnetic gap, and the bottom end of the voice coil 50 is inserted into the magnetic gap formed by the central magnet 33 and the side magnets 34. Wherein the side magnet 34 is connected to the second washer 32, thereby fixing the second washer 32 to the side magnet 34 and serving to increase the magnetic field strength of the magnetic circuit assembly 30.

Further, as shown in fig. 3, in some embodiments of the present invention, the magnetic circuit assembly 30 further includes a center washer 35, and the center washer 35 has a rectangular structure and is connected to a surface of the center magnet 33 facing the diaphragm 20.

With reference to fig. 2 and 3, in some embodiments of the present invention, the sound generating apparatus 1 further includes a supporting plate 51, one end of the supporting plate 51 is connected to the housing 10, and the other end of the supporting plate 51 is connected to the bottom end of the voice coil 50, so as to support the voice coil 50 to vibrate, improve the vibration stability of the voice coil 50, and prevent the voice coil 50 from generating polarization. Wherein, a second gap is provided between the side magnet 34 disposed along the length direction of the casing 10 and the side magnet 34 disposed along the width direction of the casing 10, and a part of the structure of the support piece 51 passes through the second gap, thereby connecting the voice coil 50 and the casing 10. Through the arrangement of the second gap, the interference to the vibration process of the support plate 51 in the vibration process of the voice coil 50 can be avoided, and the normal vibration process of the support plate 51 is ensured.

Referring to fig. 2 to 4, in some embodiments of the present invention, the number of the second washers 32 is the same as the number of the side magnets 34, and the second washers 32 are respectively connected to the side magnets 34 in a one-to-one correspondence.

Specifically, the second washers 32 may also be rectangular bar structures, the number of the second washers is the same as that of the side magnets 34, the number of the second washers is also four, and the four second washers 32 are respectively in one-to-one correspondence with and connected to the four side magnets 34, so as to be used for enhancing the magnetic field of the side magnets 34. In some embodiments of the present application, the number of the second washers 32 may also be one without interfering with the vibration of the support piece 51, in which case, the second washers 32 are ring washers, and the four side magnets 34 are respectively connected to the second washers 32.

Referring to fig. 2 to 4, in some embodiments of the present invention, at least one first washer 31 is an annular washer, and at least a part of the first washer 31 is embedded in the sidewall of the housing 10, so as to fix the first washer 31 on the housing 10, and form a first gap 311 with the second washer 32. In some embodiments of the present invention, the first washer 31 may also be provided in a segmented structure, and specifically, four first washers 31 may be provided, where the four first washers 31 are respectively disposed opposite to the four second washers 32 to form the first gap 311. Alternatively, the housing 10 may be made of plastic material, and the housing 10 may be integrally injection-molded with the first washer 31.

With reference to fig. 5 to 11, in some embodiments of the present invention, the sound generating device 1 further includes a magnetic yoke 40, the central magnet 31 and the edge magnet 32 are jointly disposed on the magnetic yoke 40, and at least one side of the edge magnet 34 is correspondingly provided with a first bending portion 322. Wherein, a part of the yoke 40 is bent upward to form a first bent portion 322; or, a part of the second washer 32 is bent downwards to form a first bent part 322; the first bent portion 322 is connected to the yoke 40 and/or the second washer 32.

That is, the first bending part 322 may have various structural designs. For example, a portion of the yoke 40 bent upward may form a first bent portion 322; a downward bend of a portion of the second washer 32 may also form a first bend 322. The first bending part 322 may be connected to the yoke 40, the first bending part 322 may also be connected to the second washer 32, and the first bending part 322 may also be connected to both the yoke 40 and the second washer 32.

Through being equipped with first kink 322 in the correspondence of at least one side of limit magnet 34, can prevent that limit magnet 34 from droing from yoke 40 through first kink 322, promote magnetic circuit assembly's structural strength to guarantee the fixed position of limit magnet 34 in the casing 10, and then guarantee the effective drive to the voice coil loudspeaker voice coil.

Referring to fig. 5 and 6, the second washer 32 includes a main body 321 and a first bending portion 322, the main body 321 is connected to the surface of the side magnet 34 facing the diaphragm 20, the first bending portion 322 is disposed on the side of the side magnet 34 facing the first washer 31, and the first bending portion 322 and the main body 321 are of an integral structure and are formed by bending. Wherein, form first clearance 311 between main part 321 and first china department 31, the dog collar 21 sets up with first clearance 311 is relative to through setting up first clearance 311, form the space of dodging in dog collar 21 along the vibration direction of perpendicular to vibrating diaphragm 20, prevent dog collar 21 striking china department at the vibration in-process, thereby guarantee the reliability and the security of vibrating diaphragm 20 work.

Since the second washer 32 is connected to the side magnet 34 and the first bent portion 322 is a part of the second washer 32, only the first bent portion 322 is disposed on the side surface of the side magnet 34 and cannot prevent the side magnet 34 from falling off from the yoke 40, the bottom end of the first bent portion 322 needs to be connected to the yoke 40, and the specific connection method is welding. In some embodiments of the present invention, if the first bending portion 322 is a part of the magnetic yoke 40, the top of the first bending portion 322 is not required to be connected to the second washer 32, and the first bending portion 322 is only required to be ensured to cover a side of the partial edge magnet 34, so as to prevent the second washer 32 from falling off.

Referring to fig. 5 and 6 again, in order to further prevent the corrugated rim 21 from striking the washer during the vibration process, in some embodiments of the present invention, the surface of the second washer 32 facing the vibrating diaphragm 20 is a stepped surface, and the distance between the stepped surface and the vibrating diaphragm 20 increases from small to large along the direction from the inside of the casing 10 to the outside.

Specifically, the top surface of the main body portion 321 of the second washer 32 includes a first step surface 3211, a second step surface 3212, and a third step surface 3213, where a size of a space between the first step surface 3111 and the diaphragm 20 is the smallest, and a size of a space between the third step surface 3213 and the diaphragm 20 is the largest, so as to increase a size of a space between the second washer 32 and an edge position of the edge 21, further ensure that the edge 21 has a sufficient vibration space, and prevent the edge 21 from striking the washer during vibration.

In an embodiment of the present invention, the height dimension of the first step surface 3211 from the top surface of the side magnet 34 is 0.3mm, the height dimension of the second step surface 3212 from the top surface of the side magnet 34 is 0.17mm, the height dimension of the third step surface 3213 from the top surface of the side magnet 34 is 0.14mm, and the thickness dimension of the first bending portion 322 is 0.17mm. In the specific manufacturing process, the partial structure of the second washer with the plate-shaped structure having the thickness of 0.3mm may be thinned to 0.17mm, then the partial structure of the plate-shaped structure having the thickness of 0.17mm may be thinned to 0.14mm, and finally the second washer 32 may be bent at the position having the thickness of 0.14mm, so as to form the structure of the second washer 32 as shown in fig. 6. Since it is only necessary to reduce the thickness of the joint between the main body 321 and the first bent portion 322 to 0.14mm, it is not necessary to reduce the thickness over a large area, and therefore, the present invention can be implemented.

With reference to fig. 7 and 8, in some embodiments of the present invention, the second washer 32 further includes a second bending portion 323, wherein the second bending portion 323 is connected to the yoke 40, and the main portion 321 and the second bending portion 323 are respectively disposed on two sides of the first bending portion 322 and connected to each other through the first bending portion 322. The second bent portion 323 is provided to facilitate welding the second washer 32 to the yoke 40, thereby fixing the position of the side magnet 34.

As shown in fig. 9, 10 and 11, the second washer 32 only includes a main body 321, wherein the main body 321 is provided with a first step surface 3211 and a second step surface 3212. Since the first bent portion 322 is not disposed on the side of the second washer 32 facing the first washer 31, and the space of the first gap 311 is not occupied by the first bent portion 322, there is no need to provide a third step surface disposed opposite to the edge 21. Specifically, the two ends of the side magnet 34 in the length direction are respectively and correspondingly provided with a first bending portion 322, wherein the first bending portion 322 and the magnetic yoke 40 are in an integrated structure, and the top end of the first bending portion 322 extends to the second washer 32 and is welded with the second washer 32.

In some embodiments of the present invention, a first bending portion 322 may be disposed on the side of the second washer 32 at both ends of the length direction, and the first bending portion 322 and the second washer 32 are integrated and connected to the yoke 40 by welding. It should be further noted that, in the present application, the length direction of the second washer 32 is not completely the same as the length direction of the housing 10, when the second washer 32 is disposed along the length direction of the housing 10, the length direction of the second washer 32 is the length direction of the housing 10, and when the second washer 32 is disposed along the width direction of the housing 10, the length direction of the second washer 32 is the width direction of the housing 10.

Another aspect of the present invention further provides an electronic device having the sound generating apparatus 1 of any one of the above embodiments. Since the electronic device has the same technical features as the sound generating device 1 in the above embodiment, the same technical effects can be achieved, and details are not repeated herein. Alternatively, the electronic device may be a mobile phone, pad, computer, wearable device, or the like.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A sound generating device, comprising:

a housing;

the vibrating diaphragm is connected with the shell and provided with a folding ring which is concavely arranged towards the inside of the shell;

the magnetic circuit assembly is arranged inside the shell and comprises at least one first washer and at least one second washer, the at least one first washer is connected with the shell, the at least one second washer is opposite to the at least one first washer, a first gap is formed between the first washer and the second washer, and at least part of the first gap and at least part of the folding ring are arranged just opposite to each other along the vibration direction of the vibrating diaphragm.

2. The sound generating apparatus as claimed in claim 1, wherein the magnetic circuit assembly further comprises a central magnet and at least two side magnets symmetrically disposed with respect to the central magnet, a magnetic gap is formed between the central magnet and the side magnets, and the second washer is connected to the side magnets.

3. The sound generating apparatus according to claim 2, further comprising a magnetic yoke, wherein the central magnet and the side magnets are jointly disposed on the magnetic yoke, and at least one side surface of the side magnets is correspondingly provided with a first bending portion, wherein,

a part of the magnetic yoke is bent upwards to form the first bent part;

or, a part of the second washer is bent downwards to form the first bent part;

or, the first bending part is connected with the magnetic yoke or the second washer.

4. The sounding device according to claim 3, wherein the first bending portion is correspondingly disposed on a side surface of the side magnet facing the first washer, and/or the first bending portion is correspondingly disposed on at least one side surface of two ends of the side magnet in the length direction.

5. The sound generating device of claim 3, wherein the second washer and the yoke are connected by the first bend.

6. The sounding device according to claim 3, wherein the first bending portion is a part of the second washer, the second washer further includes a main body portion and a second bending portion, the main body portion is connected to the side magnet, the second bending portion is connected to the magnetic yoke, and the main body portion and the second bending portion are respectively disposed on two sides of the first bending portion and connected to each other through the first bending portion.

7. The sounding device according to claim 2, wherein the number of the second washers is consistent with the number of the side magnets, and the second washers are respectively connected with the side magnets in a one-to-one correspondence manner.

8. The sound production device according to any one of claims 1 to 7, wherein the surface of the second washer facing the diaphragm is a stepped surface, and the size of a gap between the stepped surface and the diaphragm increases from small to large along the direction from the inside to the outside of the housing.

9. The sound production device as claimed in any one of claims 1 to 7, wherein the at least one first washer is an annular washer, and/or at least part of the first washer is embedded in a side wall of the housing.

10. An electronic device characterized by having the sound emission device according to any one of claims 1 to 9.

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