WO2022006963A1

WO2022006963A1 - Loudspeaker

Info

Publication number: WO2022006963A1
Application number: PCT/CN2020/102427
Authority: WO
Inventors: 严绪东; 邵涛; 顾小江
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声科技(新加坡)有限公司
Priority date: 2020-07-06
Filing date: 2020-07-16
Publication date: 2022-01-13
Also published as: CN213462303U

Abstract

A loudspeaker, comprising a basket, a vibration system supported on the basket, and a magnetic circuit system for driving the vibration system to vibrate to produce sound. The magnetic circuit system has a magnetic gap. The vibration system comprises a diaphragm assembly, a voice coil inserted in the magnetic gap, and a skeleton assembly for connecting the diaphragm assembly to the voice coil. The skeleton assembly comprises a first skeleton and a second skeleton. The voice coil comprises a first end and a second end in the vibration direction of the vibration assembly. The first skeleton is disposed between the first end and the diaphragm assembly, and one end of the second skeleton is fixed to the second end. The loudspeaker increases the stability of the connection between the voice coil and the skeleton assembly, and thus the performance of the loudspeaker is improved.

Description

speaker

technical field

The utility model relates to the field of sound and electricity, in particular to a loudspeaker.

Background technique

Speakers are used to convert audio signals into sound for playback. The speaker of the related art includes a basin frame, a vibration system fixed in the basin frame, and a magnetic circuit system, and the magnetic circuit system drives the vibration system to produce sound. The vibration system includes a voice coil, a diaphragm, and a skeleton connecting the voice coil and the diaphragm. When the voice coil vibrates, the diaphragm is vibrated through the skeleton. When vibrating, there is a tearing force between the voice coil and the skeleton, which affects the performance of the speaker.

technical problem

Therefore, it is necessary to provide a loudspeaker that improves the stability of the connection between the voice coil and the frame.

technical solutions

The purpose of the utility model is to provide a loudspeaker to solve the technical problem of poor connectivity between the voice coil and the skeleton, and tearing force is generated when the voice coil vibrates downward.

In order to achieve the purpose of the present utility model, the provided technical solutions are as follows: A loudspeaker, comprising a basin frame, a vibration system supported on the basin frame, and a magnetic circuit system for driving the vibration system to vibrate and sound, the magnetic circuit system having A magnetic gap, the vibration system includes a diaphragm assembly, a voice coil inserted in the magnetic gap, and a frame assembly connecting the diaphragm assembly and the voice coil; the frame assembly includes a first frame and a second frame a skeleton, the voice coil includes a first end and a second end along the vibration direction of the diaphragm assembly, the first skeleton is arranged between the first end and the diaphragm assembly, the second skeleton one end is fixed to the second end.

Further, the first frame includes a first fixing portion, a second fixing portion, and a first connecting portion connecting the first fixing portion and the second fixing portion, and the first fixing portion is fixed to the first fixing portion. At one end, the second fixing portion is fixed to the diaphragm assembly.

Further, the first fixing portion and the second fixing portion are annular, the diameter of the first fixing portion is smaller than the diameter of the second fixing portion, and the first connecting portion is provided with a plurality of The first connection parts are distributed at intervals.

Further, the second frame includes a third fixing portion, a fourth fixing portion, and a second connecting portion connecting the third fixing portion and the fourth fixing portion, and the third fixing portion is fixed to the first fixing portion. At both ends, the fourth fixing portion is fixed to the second fixing portion.

Further, the third fixing portion and the fourth fixing portion are annular, the diameter of the third fixing portion is smaller than the diameter of the fourth fixing portion and equal to the diameter of the first fixing portion, the A plurality of second connection parts are provided, and the plurality of second connection parts are distributed at intervals.

Further, the number of the second connection parts is the same as the number of the first connection parts, and one of the second connection parts corresponds to one of the first connection parts.

Further, the voice coil includes a first fixing surface and a second fixing surface arranged oppositely, the first fixing surface is arranged on the first end, and the second fixing surface is arranged on the second end, so The first fixing part is fixed on the first fixing surface, and the third fixing part is fixed on the second fixing surface.

Further, the magnetic circuit system includes a magnetic bowl assembly and a magnetic steel unit, the magnetic bowl assembly is fixed to the basin frame, and includes a first magnetic bowl and a second magnetic bowl that are oppositely arranged;

The first magnetic bowl includes a first magnetic bowl bottom wall and a first magnetic bowl side wall, the magnetic steel unit is fixed on the first magnetic bowl bottom wall, and the first magnetic bowl side wall is arranged on the first magnetic bowl. a bottom wall of the magnetic bowl and circumferentially disposed around the magnetic steel unit;

The second magnetic bowl includes a second magnetic bowl bottom wall and a second magnetic bowl side wall, the second magnetic bowl bottom and the first magnetic bowl bottom wall are spaced apart from the bottom wall and cover the magnetic steel unit , the side wall of the second magnetic bowl is arranged on the bottom wall of the second magnetic bowl and circumferentially arranged around the magnetic steel unit;

The magnetic steel unit forms the magnetic gap together with the side wall of the first magnetic bowl and the side wall of the second magnetic bowl, and the voice coil is sleeved on the magnetic steel unit.

Further, the side wall of the first magnetic bowl is provided with a plurality of first giving way grooves, and the first giving way grooves extend from the end of the side wall of the first magnetic bowl away from the bottom wall of the first magnetic bowl toward the end of the bottom wall of the first magnetic bowl. One end of the bottom wall of the first magnetic bowl extends along the vibration direction; the side wall of the second magnetic bowl is provided with a plurality of second escaping grooves, and the second escaping grooves are away from the side wall of the second magnetic bowl One end of the bottom wall of the second magnetic bowl extends along the vibration direction toward one end of the bottom wall of the second magnetic bowl. One avoidance hole; one of the first connecting portion and/or one of the second connecting portion penetrates through one of the avoidance holes.

Further, the basin frame includes an annular first bottom wall, a second bottom wall arranged around the outside of the first bottom wall, an outer wall bent and extended from the outer periphery of the second bottom wall, and a The inner wall of the first bottom wall is bent and extended from the inner periphery, the outer wall surrounds the inner wall and is spaced apart from the inner wall, the inner wall encloses an accommodation space, and the magnetic circuit system is accommodated in the accommodation space; The inner wall is provided with a plurality of through openings passing through it, the through openings are correspondingly arranged with the avoidance holes, and one of the first connecting parts and/or one of the second connecting parts passes through one of the through openings. .

Further, the diaphragm assembly includes a first annular diaphragm, a second annular diaphragm, and an annular dome disposed between the first annular diaphragm and the second annular diaphragm, the first annular diaphragm The inner side of the diaphragm is fixed to the end of the inner wall away from the first bottom wall, and the outer side of the second annular diaphragm is fixed to the end of the outer wall away from the second bottom wall;

The annular dome includes a dome body, a fifth fixing portion connected with the first annular diaphragm, and a sixth fixing portion connected with the second annular diaphragm, and the fifth fixing portion is provided on the On the inner side of the dome body, the sixth fixing part is arranged on the outer side of the dome body, and the second fixing part is fixed on the fifth fixing part.

Further, the second fixing portion forms the fifth fixing portion, and the annular dome is integrally formed with the first frame.

beneficial effect

The beneficial effect of the utility model is that: by arranging the first skeleton connecting the voice coil and the diaphragm assembly, it is ensured that when the voice coil vibrates, the vibration is transmitted from the voice coil to the diaphragm assembly, so that the diaphragm assembly vibrates and emits sound; The first end and the second end of the coil are arranged along the vibration direction of the vibration assembly, one end of the first frame is fixed to the first end of the voice coil, and one end of the second frame is fixed to the second end of the voice coil When the direction of the end of the voice coil is displaced, the first skeleton produces a certain resistance to the voice coil, reducing the tearing force between the voice coil and the second skeleton. When the voice coil is displaced in the direction of the second end, the second skeleton produces a certain resistance to the voice coil resistance, and reduce the tearing force between the voice coil and the first frame; therefore, the speaker provided by the embodiment of the present invention increases the stability of the voice coil being connected to the frame assembly, and improves the performance of the speaker.

Description of drawings

1 is a schematic structural diagram of a loudspeaker provided by an embodiment of the present invention;

2 is an exploded view of a loudspeaker provided by an embodiment of the present invention;

Fig. 3 is a sectional view along line A-A in Fig. 1;

4 is an assembly diagram of a first skeleton and an annular dome provided by an embodiment of the present utility model;

5 is a schematic structural diagram of a second skeleton provided by an embodiment of the present invention;

6 is an assembly diagram of an annular dome, a first skeleton, a second skeleton and a voice coil at an angle provided by an embodiment of the present utility model;

7 is an assembly diagram of another angle of the annular dome, the first frame, the second frame and the voice coil provided by the embodiment of the present utility model;

8 is a schematic structural diagram of a basin frame provided by an embodiment of the present invention;

9 is an exploded view of a magnetic circuit system provided by an embodiment of the present invention;

FIG. 10 is an assembly diagram of an annular dome, a first frame, a second frame, and a magnetic circuit system provided by an embodiment of the present invention.

In the figure: 100, speaker; 1, basin frame; 11, first bottom wall; 12, second bottom wall; 13, outer wall; 14, inner wall; 141, opening; 15, accommodation space; 2, vibration system; 21 , diaphragm assembly; 211, first annular diaphragm; 212, second annular diaphragm; 213, annular dome; 2131, dome body; 2132, sixth fixed part; 22, voice coil; 221, first end 222, the second end; 223, the first fixing surface; 224, the second fixing surface; 23, the frame assembly; 231, the first frame; 2311, the first fixing part; 2312, the second fixing part; 2313, the first connecting part; 232, second frame; 2321, third fixing part; 2322, fourth fixing part; 2323, second connecting part; 3, magnetic circuit system; 31, magnetic gap; 32, first magnetic bowl; 321, The bottom wall of the first magnetic bowl; 322, the side wall of the first magnetic bowl; 33, the second magnetic bowl; 331, the bottom wall of the second magnetic bowl; 332, the side wall of the second magnetic bowl; 34, the magnetic steel unit; 35, the avoidance hole; 351, the first giving way slot; 352, the second giving way slot.

Embodiments of the present invention

The present utility model will be described in detail below with reference to FIGS. 1 to 10 .

It should be noted that all directional indications (such as up, down, left, right, front, back, inner, outer, top, bottom...) in the embodiments of the present invention are only used to explain the When the relative positional relationship among the components under the attached drawings) is changed, if the specific posture changes, the directional indication also changes accordingly.

It should also be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to FIGS. 1 to 3 , an embodiment of the present invention provides a loudspeaker 100 , including a basin frame 1 , a vibration system 2 supported on the basin frame 1 , and a magnetic circuit system 3 for driving the vibration system 2 to vibrate and emit sound. The magnetic circuit system 3 Having a magnetic gap 31, the vibration system 2 includes a diaphragm assembly 21, a voice coil 22 inserted in the magnetic gap 31, and a frame assembly 23 connecting the diaphragm assembly 21 and the voice coil 22; the frame assembly 23 includes a first frame 231 and a second frame. Two frames 232, the voice coil 22 includes a first end 221 and a second end 222 along the vibration direction of the diaphragm assembly 21, the first frame 231 is arranged between the first end 221 and the diaphragm assembly 21, and one end of the second frame 232 Fixed on the second end 222 .

By setting the first frame 231 connecting the voice coil 22 and the diaphragm assembly 21, it is ensured that when the voice coil 22 vibrates, the vibration is transmitted from the voice coil 22 to the diaphragm assembly 21, so that the diaphragm assembly 21 vibrates and produces sound; 22 A first end 221 and a second end 222 are arranged along the vibration direction of the vibration component, one end of the first frame 231 is fixed to the first end 221 of the voice coil 22, and one end of the second frame 232 is fixed to the second end of the voice coil 22 222, ensure that when the voice coil 22 is displaced in the direction of the first end 221, the first frame 231 produces a certain resistance to the voice coil 22, reducing the tearing force between the voice coil 22 and the second frame 232, and the voice coil 22 moves toward the first end 221. When the direction of the two ends 222 is displaced, the second frame 232 produces a certain resistance to the voice coil 22, reducing the tearing force between the voice coil 22 and the first frame 231; therefore, the speaker 100 provided by the embodiment of the present invention increases the number of The stability of the connection of the voice coil 22 to the bobbin assembly 23 improves the performance of the loudspeaker 100 .

Referring to FIGS. 4 to 7 , the first frame 231 includes a first fixing portion 2311 , a second fixing portion 2312 , and a first connecting portion 2313 connecting the first fixing portion 2311 and the second fixing portion 2312 . The first fixing portion 2311 is adhered to The second fixing portion 2312 is bonded and fixed to the diaphragm assembly 21 . The second frame 232 includes a third fixing portion 2321, a fourth fixing portion 2322, and a second connecting portion 2323 connecting the third fixing portion 2321 and the fourth fixing portion 2322. The third fixing portion 2321 is adhesively fixed to the second end 222. The fourth fixing portion 2322 is adhered and fixed to the second fixing portion 2312 . In other embodiments, the first fixing portion 2311 may be fixed to the first end 221 by other means, the second fixing portion 2312 may be fixed to the first end 221 by other means, and the third fixing portion 2321 may be fixed to the first end 221 by other means. At the two ends 222 , the fourth fixing portion 2322 can be fixed to the second fixing portion 2312 by other means. Of course, as an alternative, the fourth fixing portion 2322 may also be fixed to other parts of the diaphragm assembly 21 or to the basin frame 1 .

The first fixing portion 2311 , the second fixing portion 2312 , the third fixing portion 2321 and the fourth fixing portion 2322 are all annular. The diameter of the first fixing portion 2311 is smaller than the diameter of the second fixing portion 2312 and the diameter of the third fixing portion 2321 It is smaller than the diameter of the fourth fixing portion 2322 , wherein the diameter of the third fixing portion 2321 is equal to the diameter of the first fixing portion 2311 . A plurality of the first connection parts 2313 and the second connection parts 2323 are provided, the plurality of first connection parts 2313 are distributed at intervals, and the plurality of second connection parts 2323 are distributed at intervals. Specifically, the number of the second connection parts 2323 is the same as that of the first connection parts 2313 , and one second connection part 2323 corresponds to one first connection part 2313 .

Preferably, the voice coil 22 includes a first fixing surface 223 and a second fixing surface 224 arranged opposite to each other. The 2311 is fixed on the first fixing surface 223 , and the third fixing portion 2321 is fixed on the second fixing surface 224 . With this arrangement, when the voice coil 22 is displaced in the direction of the first end 221 , the first frame 231 can generate more effective resistance to the voice coil 22 and reduce the tearing force between the voice coil 22 and the second frame 232 When the voice coil 22 is displaced in the direction of the second end 222, the second skeleton 232 produces more effective resistance to the voice coil 22, reducing the tearing force between the voice coil 22 and the first skeleton 231.

In this embodiment, the basin frame 1 includes an annular first bottom wall 11 , a second bottom wall 12 surrounding the outer side of the first bottom wall 11 , an outer wall 13 bent and extended from the outer periphery of the second bottom wall 12 , and The inner wall 14 is bent and extended from the inner periphery of the first bottom wall 11 . The outer wall 13 surrounds the inner wall 14 and is spaced apart from the inner wall 14 . The inner wall 14 is provided with a plurality of through openings 141 extending therethrough, and the through openings 141 extend along the vibration direction of the diaphragm assembly 21 .

Referring to FIG. 9 , the magnetic circuit system 3 includes a magnetic bowl assembly and a magnetic steel unit 34 fixed in the magnetic bowl assembly. The magnetic bowl assembly is fixed on the inner wall 14 of the basin frame 1 and accommodated in the accommodating space 15 . Specifically, the magnetic bowl assembly includes a first magnetic bowl 32 and a second magnetic bowl 33 that are opposite to each other, the first magnetic bowl 32 is arranged on the side of the inner wall 14 close to the first bottom wall 11 , and the second magnetic bowl 33 is arranged on the inner wall 14 is away from the side of the first bottom wall 11 . The first magnetic bowl 32 includes a first magnetic bowl bottom wall 321 and a first magnetic bowl side wall 322, the magnetic steel unit 34 is fixed on the first magnetic bowl bottom wall 321, and the first magnetic bowl side wall 322 is arranged on the first magnetic bowl bottom The wall 321 is disposed circumferentially around the magnet unit 34 . The second magnetic bowl 33 includes a second magnetic bowl bottom wall 331 and a second magnetic bowl side wall 332. The second magnetic bowl bottom wall 331 and the first magnetic bowl bottom wall 321 are spaced apart from each other and cover the magnetic steel unit 34. The second magnetic bowl side wall 332 is disposed on the second magnetic bowl bottom wall 331 and circumferentially disposed around the magnetic steel unit 34 . The magnetic steel unit 34 forms a magnetic gap 31 together with the first magnetic bowl side wall 322 and the second magnetic bowl side wall 332 , and the voice coil 22 is sleeved on the magnetic steel unit 34 . The second magnetic bowl 33 guides the magnetic force lines of the magnetic steel unit 34 away from the bottom wall 321 of the first magnetic bowl back into the magnetic gap 31 , so that the magnetic force lines of the magnetic circuit system 3 are fully utilized, thereby effectively improving the sensitivity of the speaker 100 .

In the present embodiment, the first magnetic bowl side wall 322 and the second magnetic bowl side wall 332 are disposed facing each other with a gap therebetween. In other embodiments, the first magnetic bowl sidewall 322 may abut against the second magnetic bowl sidewall 332 .

Referring again to FIG. 9 , the side wall 322 of the first magnetic bowl is provided with a plurality of first escape grooves 351 . One end of the bottom wall 321 of the magnetic bowl extends along the vibration direction; the side wall 332 of the second magnetic bowl is provided with a plurality of second vacant slots 352 , and the second vacant slots 352 are away from the bottom of the second magnetic bowl from the side wall 332 of the second magnetic bowl One end of the wall 331 extends along the vibration direction toward the end close to the bottom wall 331 of the second magnetic bowl. A first escape slot 351 is correspondingly disposed with a second magnet steel escape groove 352 to form an escape hole 35 , and the escape hole 35 is disposed corresponding to the through port 141 .

In this embodiment, the first connecting portion 2313 extends from the first fixing portion 2311 to the second fixing portion 2312 through the avoidance hole 35 and the through opening 141 in sequence, and the second connecting portion 2323 passes through the avoidance from the third fixing portion 2321 in sequence. The hole 35 and the through opening 141 extend to the fourth fixing part 2322 , and a first connecting part 2313 and a second connecting part 2323 pass through an escape hole 35 and a through opening 141 at the same time. In other embodiments, a single first connecting portion 2313 or a single second connecting portion 2323 may pass through one avoidance hole 35 and one through port 141 .

Referring to FIGS. 4 to 7 and 10 , there are three first connecting portions 2313 , second connecting portions 2323 , escape holes 35 and through openings 141 , and the three first connecting portions 2313 are along the circumferential direction of the first fixing portion 2311 . The three second connecting portions 2323 are arranged at equal intervals along the circumferential direction of the third fixing portion 2321, the three avoidance holes 35 are arranged at equal intervals, the three through ports 141 are arranged at equal intervals, and one through hole 141 and one avoidance hole 35 are arranged at equal intervals. Correspondingly, a first connecting portion 2313 and a second connecting portion 2323 are simultaneously penetrated through a correspondingly disposed through port 141 and an escape hole 35 .

When the voice coil 22 vibrates, it drives the first connecting part 2313 and the second connecting part 2323 to vibrate, the through port 141 and the escape hole 35 both extend along the vibration direction, so that the first connecting part 2313 and the second connecting part 2323 have sufficient movement space. It can be understood that the first escape slot 351 may penetrate through the side wall 322 of the first magnetic bowl, and the second escape groove 352 may penetrate through the side wall 332 of the second magnetic bowl. In this way, the first connecting portion 2313 and the second The connecting portion 2323 provides more sufficient space for movement.

The diaphragm assembly 21 includes a first annular diaphragm 211 , a second annular diaphragm 212 and an annular dome 213 disposed between the first annular diaphragm 211 and the second annular diaphragm 212 . The inner side of the first annular diaphragm 211 The outer side of the second annular diaphragm 212 is fixed to the end of the outer wall 13 away from the second bottom wall 12 ; the second fixing portion 2312 of the first frame 231 is fixed to the annular dome 213 .

The annular dome 213 includes a dome body 2131 , a fifth fixing portion connected with the first annular diaphragm 211 and a sixth fixing portion 2132 connected with the second annular diaphragm 212 . On the inner side, the sixth fixing part 2132 is arranged on the outer side of the dome body 2131 , and the second fixing part 2312 is fixed on the fifth fixing part.

In this embodiment, the second fixing portion 2312 forms the fifth fixing portion, and the annular dome 213 and the first frame 231 are integrally formed. Through this arrangement, the fitting error of the assembly between the parts is reduced, the assembly process is simplified, and the production efficiency is improved.

The above are only the embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present invention, but these belong to the present invention. The scope of protection of the utility model.

Claims

A loudspeaker is characterized in that it includes a basin frame, a vibration system supported on the basin frame, and a magnetic circuit system for driving the vibration system to vibrate and emit sound, the magnetic circuit system having a magnetic gap, and the vibration system includes a diaphragm assembly, A voice coil inserted in the magnetic gap and a skeleton assembly connecting the diaphragm assembly and the voice coil; the skeleton assembly includes a first skeleton and a second skeleton, the voice coil is along the diaphragm assembly The vibration direction includes a first end and a second end, the first frame is arranged between the first end and the diaphragm assembly, and one end of the second frame is fixed to the second end.
The loudspeaker according to claim 1, wherein the first frame comprises a first fixing part, a second fixing part, and a first connecting part connecting the first fixing part and the second fixing part, and the The first fixing part is fixed on the first end, and the second fixing part is fixed on the diaphragm assembly.
The loudspeaker according to claim 2, wherein the first fixing part and the second fixing part are annular, the diameter of the first fixing part is smaller than the diameter of the second fixing part, and the first fixing part is smaller than the diameter of the second fixing part. A plurality of connecting parts are provided, and the plurality of first connecting parts are distributed at intervals.
The loudspeaker according to claim 3, wherein the second frame comprises a third fixing part, a fourth fixing part, and a second connecting part connecting the third fixing part and the fourth fixing part, the The third fixing part is fixed on the second end, and the fourth fixing part is fixed on the second fixing part.
The loudspeaker according to claim 4, wherein the third fixing part and the fourth fixing part are annular, and the diameter of the third fixing part is smaller than the diameter of the fourth fixing part and is the same as the diameter of the fourth fixing part. The diameters of the first fixing parts are equal, the second connecting parts are provided with a plurality of, and the plurality of the second connecting parts are distributed at intervals.
The speaker according to claim 5, wherein the number of the second connection parts is the same as the number of the first connection parts, and one of the second connection parts corresponds to one of the first connection parts.
The loudspeaker according to claim 4, wherein the voice coil comprises a first fixing surface and a second fixing surface arranged opposite to each other, the first fixing surface is arranged on the first end, and the second fixing surface is The surface is arranged on the second end, the first fixing part is fixed on the first fixing surface, and the third fixing part is fixed on the second fixing surface.
The loudspeaker according to claim 5, wherein the magnetic circuit system includes a magnetic bowl assembly and a magnetic steel unit, the magnetic bowl assembly is fixed to the basin frame, and includes a first magnetic bowl and a second magnetic bowl disposed opposite to each other. Two magnetic bowls;

The first magnetic bowl includes a first magnetic bowl bottom wall and a first magnetic bowl side wall, the magnetic steel unit is fixed on the first magnetic bowl bottom wall, and the first magnetic bowl side wall is arranged on the first magnetic bowl. a bottom wall of the magnetic bowl and circumferentially disposed around the magnetic steel unit;

The second magnetic bowl includes a second magnetic bowl bottom wall and a second magnetic bowl side wall, the second magnetic bowl bottom and the first magnetic bowl bottom wall are spaced apart from the bottom wall and cover the magnetic steel unit , the side wall of the second magnetic bowl is arranged on the bottom wall of the second magnetic bowl and circumferentially arranged around the magnetic steel unit;

The magnetic steel unit forms the magnetic gap together with the side wall of the first magnetic bowl and the side wall of the second magnetic bowl, and the voice coil is sleeved on the magnetic steel unit.
The loudspeaker according to claim 8, wherein the side wall of the first magnetic bowl is provided with a plurality of first escaping slots, and the first escaping slots are away from the side wall of the first magnetic bowl. One end of the bottom wall of the first magnetic bowl extends along the vibration direction toward one end of the bottom wall of the first magnetic bowl; Extending from the end of the side wall of the second magnetic bowl away from the bottom wall of the second magnetic bowl toward the end close to the bottom wall of the second magnetic bowl along the vibration direction; The steel second escape groove is correspondingly arranged and forms an escape hole; one of the first connection parts and/or one of the second connection parts is penetrated through one of the escape holes.
The loudspeaker according to claim 9, wherein the basin frame comprises an annular first bottom wall, a second bottom wall surrounding the outer side of the first bottom wall, and an outer periphery of the second bottom wall formed by an outer wall bent and extended from the edge and an inner wall bent and extended from the inner peripheral edge of the first bottom wall, the outer wall surrounds the inner wall and is spaced apart from the inner wall, the inner wall encloses an accommodating space, the magnetic circuit The system is accommodated in the accommodating space; the inner wall is provided with a plurality of through openings passing through it, the through openings are arranged corresponding to the avoidance holes, one of the first connecting part and/or one of the second The connecting portion is penetrated through one of the through holes.
The loudspeaker according to claim 10, wherein the diaphragm assembly comprises a first annular diaphragm, a second annular diaphragm, and a diaphragm disposed between the first annular diaphragm and the second annular diaphragm The inner side of the first annular diaphragm is fixed to the end of the inner wall away from the first bottom wall, and the outer side of the second annular diaphragm is fixed to the outer wall away from the second bottom wall. one end;

The annular dome includes a dome body, a fifth fixing portion connected with the first annular diaphragm, and a sixth fixing portion connected with the second annular diaphragm, and the fifth fixing portion is provided on the On the inner side of the dome body, the sixth fixing part is arranged on the outer side of the dome body, and the second fixing part is fixed on the fifth fixing part.
The loudspeaker according to claim 11, wherein the second fixing part forms the fifth fixing part, and the annular dome is integrally formed with the first frame.