CN213906929U

CN213906929U - Loudspeaker

Info

Publication number: CN213906929U
Application number: CN202023204093.XU
Authority: CN
Inventors: 肖波; 令狐荣林
Original assignee: AAC Acoustic Technologies Shenzhen Co Ltd; AAC Optoelectronic Changzhou Co Ltd
Current assignee: AAC Technologies Holdings Shenzhen Co Ltd; AAC Microtech Changzhou Co Ltd; AAC Optoelectronic Changzhou Co Ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-06
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a loudspeaker, including the basin frame and install magnetic circuit and the vibration system on the basin frame, be equipped with the magnetic gap among the magnetic circuit, vibration system is including the last sound membrane that is fixed in the basin frame, the skeleton of being connected with last sound membrane and insert the voice coil loudspeaker voice coil of locating in the magnetic gap through the skeleton, the skeleton includes the first annular plate that is connected with last sound membrane, from first annular plate to keeping away from the annular baffle of last sound membrane one side buckling and keeping away from the annular baffle the one end of first annular plate to the interior annular part of the central bending extension of annular baffle, the voice coil loudspeaker voice coil is fixed in interior annular part, interior annular part is square loop forming unit, interior annular part has four bight positions, the protruding connection boss that is formed with along the direction of keeping away from the voice coil loudspeaker voice coil along the direction of vibration direction, it is located the bight position of interior annular part to connect the boss. The utility model discloses a bight position department at the interior ring portion of skeleton sets up the connection boss, releases the stress of bight position department through connecting the boss, avoids the skeleton to be pulled apart in bight position department.

Description

Loudspeaker

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electronic component technical field especially relates to a loudspeaker.

[ background of the invention ]

The speaker of prior art includes by the magnetism bowl, the magnetic circuit that magnet steel and utmost point core are constituteed and by the voice coil loudspeaker voice coil, the skeleton, go up the vibration system that sound membrane and lower vibrating diaphragm are constituteed, and go up the sound membrane and include outer sound membrane, bulb and mesolamella, the skeleton sets firmly in the bottom of bulb, the outer terminal surface and the outer sound membrane of skeleton are connected, the interior terminal surface and the mesolamella of skeleton are connected, however, the skeleton material of current speaker, owing to receive the extensibility of material itself, to tensile height surpassing 0.35mm, tensile stress concentrates easily in skeleton R angle department, thereby lead to the R angle to split, the R angle also is called the arc connection angle of corner.

Therefore, it is necessary to provide a new speaker to solve the above problems.

[ summary of the invention ]

An object of the utility model is to provide a speaker that skeleton R angle is difficult for drawing and splits.

The technical scheme of the utility model as follows:

in order to achieve the above object, the present invention provides a speaker, including a frame, and a magnetic circuit system and a vibration system installed on the frame, wherein a magnetic gap is provided in the magnetic circuit system, the vibration system includes a sound-feeding membrane fixed on the frame, a framework connected to the sound-feeding membrane, and a voice coil inserted into the magnetic gap through the framework, the framework includes a first annular plate connected to the sound-feeding membrane, an annular partition bent from the first annular plate to a side away from the sound-feeding membrane, and an inner ring portion bent and extended from one end of the annular partition away from the first annular plate to a center of the annular partition, the voice coil is fixed on the inner ring portion, the inner ring portion is a square ring-shaped member, the inner ring portion has four corner positions, the inner ring portion is formed with a connection boss along a vibration direction and along a direction protrusion away from the ring-shaped member, the connecting lug boss is positioned at the corner of the inner ring part.

As a modified mode, the number of the connecting bosses is four, and the four connecting bosses are respectively located at the four corner positions of the inner ring portion.

As an improved mode, the inner ring portion further has a plurality of connection plates, the connection plates include two first fixing plates arranged at intervals along the length direction of the inner ring portion and two second fixing plates arranged at intervals along the width direction of the inner ring portion, and the first fixing plates or the second fixing plates are connected between two adjacent connection bosses.

As a modification, the distance between the side of the connection boss far away from the voice coil and the voice coil in the vertical direction is greater than the distance between the side of the connection plate far away from the voice coil and the voice coil in the vertical direction.

As an improved mode, the first fixing plate and the second fixing plate are both connected with the voice coil, and the connecting boss and the voice coil are arranged at intervals.

As a modification, the voice coil is fixed to a surface of the inner ring portion, which is away from the upper diaphragm, along a vibration direction of the voice coil.

As a modified mode, the connecting boss is in an R-shaped angle shape.

As an improvement mode, go up the sound membrane include with well membrane and the ring that the skeleton is connected are located well membrane outside is fixed in outer sound membrane on basin frame and the skeleton, well membrane includes inner ring membrane, outer loop membrane and locates inner ring membrane with first ring portion of rolling over between the outer loop membrane, the one end of first ring portion with inner ring membrane is connected, the other end with the outer loop membrane is connected, the outer loop membrane include with annular membrane, two first archs and the second arch that two intervals set up that first ring portion is connected are protruding to be located of second the annular membrane is close to one side of voice coil loudspeaker voice coil, annular membrane, one first arch and one the second arch is enclosed and is synthesized a holding tank, connect the boss insert in the holding tank.

As an improvement mode, magnetic circuit includes splint, magnetism bowl and is located in the magnetism bowl and with the magnetism bowl forms the main magnet portion in magnetic gap, splint are including being fixed in the protruding locating of second annular plate and two intervals back of the body of magnetism bowl top the extension board in the second annular plate outside, the basin frame is the annular, the one end and the extension board of basin frame are connected, the other end with the epicophosis membrane is connected.

As an improvement, the magnetic bowl includes a magnetic yoke and an annular secondary magnet portion fixed on the magnetic yoke, the primary magnet portion is fixed in the middle of the magnetic yoke and located in the secondary magnet portion, and the clamp plate is fixed on a side of the secondary magnet portion away from the magnetic yoke.

As an improvement, the main magnet portion includes a first main magnet, a pole core, and a second main magnet stacked in sequence from top to bottom, the second main magnet is disposed on the yoke, the first main magnet includes a magnet plate connected to the pole core and a salient magnet protrudingly disposed on the magnet plate, the vibration system further includes an electric coil, the electric coil is sleeved in the inner ring membrane and connected to the inner ring membrane, the electric coil has a through hole, and the salient magnet passes through the through hole and is spaced from the electric coil.

As an improvement mode, the skeleton still includes two relative settings and all certainly the connecting plate of the tip downwardly bent extension of first annular slab, annular baffle with the connecting plate is located respectively the inside and outside both ends of first annular slab, first annular slab and two the connecting plate encloses synthetic two and dodges the groove, two the extension board passes two respectively dodge behind the groove all with the basin frame is connected.

As an improved mode, the vibration system further comprises two lower vibration diaphragms and two flexible plates, the lower vibration diaphragms and the flexible plates are located outside the magnetic bowl, the upper sound diaphragms and the lower vibration diaphragms are respectively located on two sides of the connecting plate, one end of each flexible plate is clamped and located between the connecting plate and the lower vibration diaphragms, and the other end of each flexible plate is clamped and located between the basin frame and the lower vibration diaphragms.

As an improvement mode, the vibrating diaphragm is the arc down, the vibrating diaphragm has down and is close to the first arc tip of basin frame one side, be close to the second arc tip of connecting plate one side and locate second between first arc tip and the second arc tip portion ring portion is rolled over to the second, the second roll over the one end of ring portion with first arc end connection, the other end with second arc end connection, the flexbile plate including install in first arc tip with fixed arm between the basin frame, certainly the elastic arm that the fixed arm extended to inside and certainly the elastic arm extends to inside and is fixed in support arm between second arc tip and the connecting plate, the elastic arm suspension in second roll over the ring portion.

As an improvement, the upper sound film further comprises a dome arranged between the outer sound film and the middle film, the dome is annular, the first annular plate is provided with a plurality of light holes, the dome is fixed on one side of the first annular plate, which is far away from the voice coil, and the dome covers each of the light holes.

The utility model has the advantages that:

compared with the prior art, the utility model discloses a bight position department at the interior ring portion of skeleton sets up the connection boss, releases the stress of bight position department through connecting the boss, avoids the skeleton to be drawn at bight position department and splits.

[ description of the drawings ]

Fig. 1 is a schematic view of an overall structure of a speaker according to the present invention;

fig. 2 is an exploded view of the speaker of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a partially enlarged view of B in FIG. 3;

fig. 5 is a schematic view of the overall structure of the speaker of the present invention;

FIG. 6 is a cross-sectional view of C-C of FIG. 5;

FIG. 7 is an enlarged partial view of D in FIG. 6;

fig. 8 is a schematic structural view of the framework of the present invention;

FIG. 9 is an enlarged partial view of E in FIG. 8;

fig. 10 is a schematic structural view of the middle membrane of the present invention;

fig. 11 is a schematic structural view of the speaker of the present invention with the upper diaphragm, the frame, the voice coil and the coil removed;

fig. 12 is an exploded view of fig. 11.

Reference numerals:

10. a basin stand; 20. a magnetic circuit system; 21. a splint; 211. a second annular plate; 212. an extension plate; 22. a magnetic bowl; 221. a magnetic yoke; 222. a secondary magnet portion; 23. a main magnetic part; 231. a first main magnetic steel; 2311. a magnetic plate; 2312. a convex magnet; 232. a pole piece; 233. a second main magnetic steel; 24. a magnetic gap; 30. a vibration system; 31. a framework; 311. a light-transmitting hole; 312. a first annular plate; 313. an annular partition plate; 314. an inner ring portion; 3141. a corner position; 3142. connecting the bosses; 3143. a connector tile; 3144. a first fixing plate; 3145. a second fixing plate; 315. a groove; 316. a connecting plate; 3161. perforating; 317. an avoidance groove; 32. a voice coil; 321. an outgoing line; 33. an upper sound film; 34. a middle membrane; 341. an inner ring membrane; 342. an outer ring membrane; 3421. a first protrusion; 3422. a second protrusion; 3423. an annular membrane; 343. a first hinge part; 344. accommodating grooves; 35. a ball top; 36. an external sound membrane; 37. an electric coil; 371. a through hole; 38. a lower diaphragm; 381. a first arcuate end portion; 382. a second arcuate end portion; 383. a second flange part; 39. a flexible board; 391. a fixed arm; 392. a spring arm; 393. a support arm.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is 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 at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a speaker, which includes a frame 10, a magnetic circuit system 20 and a vibration system 30, wherein the magnetic circuit system 20 and the vibration system 30 are mounted on the frame 10.

Specifically, the magnetic circuit system 20 includes a clamping plate 21, a magnetic bowl 22 and a main magnetic part 23 located in the magnetic bowl 22, the main magnetic part 23 and the magnetic bowl 22 form a magnetic gap 24 in the magnetic circuit system 20, the clamping plate 21 and the basin frame 10 are both annular, one end of the clamping plate 21 is connected with the bottom of the basin frame 10, and the other end of the clamping plate 21 is fixed on the top of the magnetic bowl 22.

The vibration system 30 comprises a framework 31, a voice coil 32 positioned in the magnetic gap 24 and an upper sound film 33 fixed on the basin frame 10, wherein the upper sound film 33 is connected with the framework 31, the upper sound film 33 comprises a middle film 34, a dome 35 and an outer sound film 36 which is annularly arranged on the outer side of the middle film 34 and fixed on the basin frame 10 and the framework 31, the middle film 34, the dome 35 and the outer sound film 36 are all annular, the dome 35 is arranged between the outer sound film 36 and the middle film 34 at intervals, a plurality of light holes 311 are arranged on the framework 31, the framework 31 is fixedly arranged below the dome 35, the dome 35 can cover the light holes 311, and the light holes 311 can be used for transmitting light during CCD assembly guiding. Both the outer diaphragm 36 and the middle diaphragm 34 are fixed to the bobbin 31, and the bobbin 31 is simultaneously connected to the voice coil 32 to suspend the voice coil 32 within the magnetic gap 24.

Referring to fig. 8 to 10, in the present embodiment, the bobbin 31 includes a first annular plate 312, an annular spacer 313 and an inner annular portion 314, the first annular plate 312 is disposed horizontally, the first annular plate 312 is connected to the upper sound diaphragm 33, each light hole 311 is vertically disposed on the first annular plate 312, the dome 35 is fixed on the top of the first annular plate 312, the annular spacer 313 is disposed vertically, the annular spacer 313 is bent and extended from one end of the first annular plate 312 away from the outer sound diaphragm 36 to one side away from the upper sound diaphragm 33, the inner annular portion 314 is disposed horizontally, the inner annular portion 314 is bent and extended from one end of the annular spacer 313 away from the first annular plate 312 to the center of the annular spacer 313, the bottom of the inner annular portion 314 is connected to the voice coil 32, specifically, the voice coil 32 is fixed on one surface of the inner annular portion 314 along the vibration direction of the voice coil 32 and away from the upper sound diaphragm 33, the middle diaphragm 34 and the annular spacer 313 are integrally molded by injection molding, the middle membrane 34 may be further connected to the inner ring portion 314.

The inner ring portion 314 is a square ring shaped member, the inner ring portion 314 has four spaced apart corner portions 3141, and the inner ring portion 314 includes a plurality of connecting bosses 3142 and a plurality of connector tiles 3143. The connection lug 3143 and the connection lug 3142 are both connected with the annular partition 313, the connection lug 3142 is convexly formed on the inner ring portion 314 along the vibration direction and along the direction far away from the voice coil 32, the connection lug 3142 is positioned on the corner position 3141 of the inner ring portion 314, and the two connection lugs 3142 are connected through the connection lug 3143, in this embodiment, the number of the connection lugs 3142 is four, the four connection lugs 3142 are respectively positioned on the four corner positions 3141 of the inner ring portion 314, the distance between the vertical direction and the top of the voice coil 32 on the side, far away from the voice coil 32, of the connection lug 3142 is greater than the distance between the vertical direction and the top of the voice coil 32 on the side, far away from the voice coil 32, of the connection lug 3143, and the utility model discloses the stress at the corner position 3141 is released by arranging the connection lug 3142 at the corner position 3141 of the framework 31, so as to avoid the framework 31 from being pulled apart at the corner position 3141.

As a preferred embodiment, the plurality of connecting plates 3143 includes two first fixing plates 3144 disposed in parallel at intervals and two second fixing plates 3145 disposed in parallel at intervals, the first fixing plates 3144 are disposed along the length direction of the framework 31, the second fixing plates 3145 are disposed along the width direction of the framework 31, the first fixing plates 3144, the second fixing plates 3145 and the connecting bosses 3142 are all connected to the annular partition 313, the first fixing plates 3144 are disposed between the two second fixing plates 3145, the connecting bosses 3142 may be rectangular or R-angular, in this embodiment, the connecting bosses 3142 are R-angular, one end of the connecting bosses 3142 is connected to the first fixing plates 3144, the other end of the connecting bosses 3142 is connected to the second fixing plates 3145, and the first fixing plates 3144 and the second fixing plates 3145 are all on the same plane.

In a preferred embodiment, the first fixing plate 3144 and the second fixing plate 3145 are both connected to the voice coil 32, and the bottom of the bobbin 31 is provided with a groove 315 at the position of the connecting boss 3142, so that the connecting boss 3142 and the voice coil 32 are spaced from each other, which can further relieve the stress of the bobbin 31 at the corner position 3141 and prevent the bobbin 31 from being pulled apart at the corner position 3141.

In this embodiment, one side of the middle membrane 34 facing the voice coil 32, that is, the bottom of the middle membrane 34, is provided with two first protrusions 3421 and two second protrusions 3422 in a protruding manner, specifically, the middle membrane 34 includes an inner ring membrane 341, an outer ring membrane 342, and a first ring-folding portion 343 disposed between the inner ring membrane 341 and the outer ring membrane 342, one end of the first ring-folding portion 343 is connected to the inner ring membrane 341, the other end is connected to the outer ring membrane 342, the outer ring membrane 342 includes two first protrusions 3421 disposed at intervals, the two second protrusions 3422 are disposed at an interval, and the annular membrane 3423 is connected to the first ring-folding portion 343, the first protrusion 3421 and the second protrusion 3422 are both protruded from one side of the annular membrane 3423 close to the voice coil 32, the annular membrane 3423, the first protrusion 3421 and the second protrusion 3422 form a receiving groove 344, the connecting protrusion 3142 is inserted into the receiving groove 344, and the annular membrane 3423 can abut against the connecting protrusion 3142, so as to fix the middle membrane 34 and the bobbin 31.

In this embodiment, the magnetic bowl 22 includes a magnetic yoke 221 and an annular auxiliary magnet portion 222 fixed on the magnetic yoke 221, the main magnet portion 23 is fixed in the middle of the magnetic yoke 221 and located in the auxiliary magnet portion 222, the clamping plate 21 is fixed on one side of the auxiliary magnet portion 222 away from the magnetic yoke 221, the clamping plate 21 includes a second annular plate 211 fixed above the magnetic bowl 22 and two extending plates 212 protruding from each other at intervals on the outer side of the second annular plate 211, one end, i.e., the bottom, of the basin stand 10 is connected with the extending plates 212, and the other end, i.e., the top, of the basin stand 10 is connected with the external sound film 36.

The main magnet portion 23 includes a first main magnet 231, a pole core 232 and a second main magnet 233 sequentially stacked from top to bottom, the second main magnet 233 is disposed on the magnetic yoke 221, the voice coil 32 is sleeved outside the pole core 232 and spaced from the auxiliary magnet portion 222, and the two main magnet are disposed to enhance the strength of the magnetic field in the magnetic circuit system 20, so that the lifting range of the voice coil 32 is wider.

Referring to fig. 11 to 12, in the present embodiment, the first main magnetic steel 231 includes a magnetic plate 2311 connected to the pole core 232, and a protruding magnet 2312 protruding from the magnetic plate 2311, the vibration system 30 further includes an electric coil 37, the electric coil 37 is sleeved in the inner annular membrane 341 and connected to the inner annular membrane 341, the electric coil 37 has a through hole 371, the protruding magnet 2312 passes through the through hole 371 and is spaced from the electric coil 37, and the electric coil 37 can keep a certain degree of center between the main magnetic body 23 and the upper sound membrane 33, so as to ensure better sound production of the speaker.

The framework 31 further comprises two connecting plates 316 which are oppositely arranged and are bent downwards from the end parts of the first annular plates 312, the annular partition plates 313 and the connecting plates 316 are respectively located at the inner ends and the outer ends of the first annular plates 312, one ends, namely the outer side edges, of the first annular plates 312 are connected with the connecting plates 316, the other ends, namely the inner side edges, of the first annular plates 312 are connected with the annular partition plates 313, the first annular plates 312 and the two connecting plates 316 surround and form two avoiding grooves 317, and the two extending plates 212 are respectively connected with the basin stand 10 after passing through the two avoiding grooves 317.

The vibration system 30 further includes two lower vibration diaphragms 38 and two flexible plates 39, the lower vibration diaphragms 38 and the flexible plates 39 are located outside the magnetic bowl 22, the upper sound diaphragm 33 and the lower vibration diaphragm 38 are respectively located on two sides of the connecting plate 316, one end of each flexible plate 39 is clamped between the connecting plate 316 and the lower vibration diaphragm 38, the other end of each flexible plate 39 is clamped between the frame 10 and the lower vibration diaphragm 38, and the upper sound diaphragm 33 can drive the lower vibration diaphragm 38 to vibrate and sound through the connecting plate 316 during vibration.

Specifically, the lower diaphragm 38 and the flexible plate 39 are both arc-shaped, the lower diaphragm 38 has a first arc-shaped end portion 381 close to one side of the basin frame 10, a second arc-shaped end portion 382 close to one side of the connecting plate 316, and a second flange portion 383 arranged between the first arc-shaped end portion 381 and the second arc-shaped end portion 382, one end of the second flange portion 383 is connected to the first arc-shaped end portion 381, the other end is connected to the second arc-shaped end portion 382, the second flange portion 383 is recessed toward a side away from the upper sound membrane 33, the flexible plate 39 includes a fixed arm 391 installed between the first arc-shaped end portion 381 and the basin frame 10, an elastic arm 392 extending from the fixed arm 391 to the inside, and a supporting arm 393 extending from the elastic arm 392 to the inside and fixed between the second arc-shaped end portion 382 and the connecting plate 316, the elastic arm 392 is suspended above the second flange portion 383, and the elastic arm 392 can generate a reciprocating restoring force on the flexible plate 39, so that the upper sound film 33 and the lower diaphragm 38 generate amplitude to make the speaker sound, although the structure of the elastic arm 392 in this embodiment is not limited to a specific shape, and may be a wave shape.

The connection plate 316 in this embodiment is further provided with a plurality of through holes 3161, the voice coil 32 has a plurality of lead wires 321, one end of each lead wire 321 is connected with the voice coil 32, and the other end of each lead wire 321 is connected with the flexible plate 39 after passing through the through hole 3161, so as to provide alternating current for the voice coil 32.

When alternating current is applied to the voice coil 32, under the action of the magnetic field of the magnetic circuit system 20, the voice coil 32 is subjected to an alternating driving force to generate an alternating motion, the voice coil 32 drives the upper diaphragm 33 to vibrate together through the framework 31, and the framework 31 is connected with the lower diaphragm 38, so that the upper diaphragm 33 indirectly drives the lower diaphragm 38 to vibrate to generate sound.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. The utility model provides a loudspeaker, includes the basin frame and install in magnetic circuit and vibration system on the basin frame, be equipped with the magnetic gap among the magnetic circuit, vibration system is including being fixed in the last sound membrane of basin frame, with go up the skeleton that the sound membrane is connected and pass through the skeleton is inserted and is located voice coil loudspeaker voice coil in the magnetic gap, its characterized in that: the skeleton include with go up the first annular plate that the sound membrane is connected, certainly first annular plate is to keeping away from go up the annular diaphragm of sound membrane one side buckling and certainly annular diaphragm keeps away from the one end of first annular plate to the interior loop portion that the center of annular diaphragm is buckled and is extended, the voice coil loudspeaker voice coil is fixed in interior loop portion, interior loop portion is square annular member, interior loop portion has four bight positions, interior loop portion just follows the direction of vibration and keeps away from the direction arch of voice coil loudspeaker voice coil is formed with the connection boss, the connection boss is located the bight position of interior loop portion.

2. The loudspeaker of claim 1, wherein: the number of the connecting bosses is four, and the four connecting bosses are respectively positioned on the four corner positions of the inner ring part.

3. The loudspeaker of claim 1, wherein: the inner ring portion is provided with a plurality of connecting plates, the connecting plates comprise two first fixing plates and two second fixing plates, the first fixing plates are arranged at intervals along the length direction of the inner ring portion, the second fixing plates are arranged at intervals along the width direction of the inner ring portion, and the first fixing plates or the second fixing plates are connected between the connecting bosses.

4. A loudspeaker according to claim 3, wherein: the distance between one side of the connecting lug boss far away from the voice coil and the voice coil in the vertical direction is larger than the distance between one side of the connecting lug boss far away from the voice coil and the voice coil in the vertical direction.

5. A loudspeaker according to claim 3, wherein: the first fixing plate and the second fixing plate are connected with the voice coil, and the connecting bosses are arranged at intervals between the voice coil.

6. The loudspeaker of claim 1, wherein: the voice coil is fixed on one surface of the inner ring portion, which is far away from the upper sound film along the vibration direction of the voice coil.

7. The loudspeaker of claim 1, wherein: the connecting boss is R-shaped.

8. The loudspeaker of claim 1, wherein: go up the sound membrane include with well membrane and the ring that the skeleton is connected are located well membrane outside is fixed in outer sound membrane on basin frame and the skeleton, well membrane includes inner ring membrane, outer loop membrane and locates inner ring membrane with first ring portion of folding between the outer loop membrane, the one end of first ring portion with inner ring membrane connection, the other end with the outer loop membrane is connected, the outer loop membrane include with the annular membrane that first ring portion is connected, the first arch that two intervals set up and the second that two intervals set up are protruding, first arch with the second arch is all protruding to be located be close to of annular membrane one side of voice coil loudspeaker voice coil, annular membrane, one first arch and one the protruding synthetic holding tank of enclosing of second, connect the boss insert in the holding tank.

9. The loudspeaker of claim 8, wherein: magnetic circuit includes splint, magnetism bowl and is located in the magnetism bowl and with the magnetism bowl forms the main magnet portion in magnetic gap, splint are including being fixed in the protruding back of the body of second annular plate and two intervals of magnetism bowl top are located the extension board in the second annular plate outside, the basin frame is the annular, the one end and the extension board of basin frame are connected, the other end with the phonographic membrane is connected.

10. The loudspeaker of claim 9, wherein: the magnetic bowl comprises a magnetic yoke and an annular auxiliary magnet part fixed on the magnetic yoke, the main magnet part is fixed in the middle of the magnetic yoke and located in the auxiliary magnet part, and the clamping plate is fixed on one side of the auxiliary magnet part, which is far away from the magnetic yoke.

11. The loudspeaker of claim 10, wherein: the vibration system comprises a main magnet part, a vibration system and a vibration system, wherein the main magnet part comprises a first main magnet steel, a pole core and a second main magnet steel which are sequentially stacked from top to bottom, the second main magnet steel is arranged on a magnetic yoke, the first main magnet steel comprises a magnetic plate connected with the pole core and a convex magnet arranged on the magnetic plate in a protruding mode, the vibration system further comprises an electric coil, the electric coil is sleeved in the inner ring membrane and connected with the inner ring membrane, the electric coil is provided with a through hole, and the convex magnet penetrates through the through hole and is arranged at an interval with the electric coil.

12. The loudspeaker of claim 9, wherein: the skeleton still includes two relative settings and all certainly the connecting plate that the tip of first annular slab extended of buckling downwards, annular baffle with the connecting plate is located respectively the inside and outside both ends of first annular slab, first annular slab and two the connecting plate encloses synthetic two and dodges the groove, two the extension board passes two respectively dodge behind the groove all with the basin frame is connected.

13. The loudspeaker of claim 12, wherein: vibration system still includes two lower vibrating diaphragms and two flexoplates, lower vibrating diaphragm and flexoplate all are located outside the magnetism bowl, go up the sound membrane with the vibrating diaphragm is located respectively down the both sides of connecting plate, the one end clamp of flexoplate is located the connecting plate with down between the vibrating diaphragm, the other end clamp is located the basin frame with down between the vibrating diaphragm.

14. The loudspeaker of claim 13, wherein: lower vibrating diaphragm is the arc, lower vibrating diaphragm has and is close to the first arc tip of basin frame one side, is close to the second arc tip of connecting plate one side and locating ring portion is rolled over to second between first arc tip and the second arc tip, the one end of ring portion is rolled over to the second with first arc end connection, the other end with second arc end connection, the flexbile plate including install in first arc tip with fixed arm between the basin frame, certainly the arm of elasticity that the fixed arm extends inside and certainly the arm of elasticity extends inside and is fixed in support arm between second arc tip and the connecting plate, the arm of elasticity suspension in ring portion top is rolled over to the second.

15. The loudspeaker of claim 8, wherein: go up the sound membrane still including locating outer sound membrane with the dome between the mesolamella, the dome is the annular, be equipped with a plurality of light traps on the first annular plate, the dome is fixed in one side of keeping away from of first annular plate the voice coil loudspeaker voice coil, just the dome covers each the light trap.