CN213906927U - Loudspeaker - Google Patents

Abstract

The utility model provides a loudspeaker, including the basin frame and magnetic circuit and vibration system installed on the basin frame, there is a magnetic gap in the magnetic circuit, the vibration system includes the skeleton, the voice coil that is located in the magnetic gap and the upper voice membrane that is fixed on the basin frame, the upper voice membrane includes the middle membrane and the outer voice membrane that encircles the middle membrane and is fixed on the basin frame, the middle membrane has the outer ring portion, the outer ring portion has at least two symmetrically arranged inserting holes, the skeleton includes the first annular plate, the first flange and the second flange, the first annular plate has the outer contour end that is connected with the outer voice membrane and the inner contour end that is close to one side of the middle membrane, the first flange includes a plurality of first connecting plates that are bent from the inner contour end to one side of the voice coil and are connected with the voice coil, the second flange includes a plurality of second connecting plates that are bent from the inner contour end to one side far away from the voice coil and extend and are matched with the inserting holes, the second connecting plate is inserted in the inserting hole in a clamping manner. The utility model discloses can overflow when preventing well membrane veneer on the skeleton and glue the voice coil loudspeaker voice coil veneer position.

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 voice diaphragm and lower vibrating diaphragm are constituteed, and go up the voice diaphragm and include the voice coil loudspeaker voice coil, ball top and well membrane, the skeleton sets firmly in the bottom of ball top, the outer terminal surface and the voice coil loudspeaker voice coil connection of skeleton, the interior terminal surface and the well membrane of skeleton are connected and are connected with the voice coil loudspeaker voice coil simultaneously, however, the skeleton of current speaker is mostly single flange structure, it is fixed that skeleton and well membrane are between through the glue veneer more, thereby it leads to the voice coil loudspeaker voice coil bonding failure to overflow to glue the position to produce very easily when the veneer.

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 can overflow when preventing skeleton and mesolamella from gluing to the speaker of voice coil loudspeaker voice coil veneer position.

The technical scheme of the utility model as follows:

in order to achieve the above object, the present invention provides a speaker, comprising a frame, and a magnetic circuit system and a vibration system mounted on the frame, wherein a magnetic gap is provided in the magnetic circuit system, the vibration system comprises a frame, a voice coil located in the magnetic gap, and a sound-feeding membrane fixed on the frame, the sound-feeding membrane comprises a middle membrane and an outer membrane fixed on the outer side of the middle membrane and fixed on the frame, the middle membrane has an outer ring portion, the outer ring portion has at least two symmetrically arranged insertion holes, the frame comprises a first annular plate, a first flange and a second flange, the first annular plate has an outer contour end connected with the outer membrane and an inner contour end close to one side of the middle membrane, the first flange comprises a plurality of inner contour ends bent towards one side of the voice coil and a first connecting plate connected with the voice coil, the second flange comprises a plurality of second connecting plates which are bent and extended from the inner contour end to one side far away from the voice coil and matched with the insertion holes, and the second connecting plates are inserted into the insertion holes in a clamping mode.

As a modification, the number of the insertion holes and the number of the second connecting plates are four, the outer ring portion has two first side edges arranged at intervals and two second side edges arranged at intervals, two ends of the first side edges are respectively connected with the two second side edges, two of the insertion holes are arranged on two sides of the outer ring portion along the direction of the first side edges, and the other two of the insertion holes are arranged on the other two sides of the outer ring portion along the direction of the second side edges.

As an improvement mode, the mesolamella is the annular, the mesolamella still includes interior annular portion and locates first ring portion of rolling over between outer ring portion and the interior annular portion, the one end of first ring portion with interior annular portion is connected, the other end with outer annular portion is connected, outer annular portion include with second annular plate and protruding the locating that first ring portion of rolling over is connected keep away from of second annular plate the annular of voice coil loudspeaker voice coil one side is protruding, second annular plate partial fixation in the top of first annular plate, just it is equipped with first perforation to run through on the second annular plate, the bellied being close to of annular the one end of first ring portion is equipped with the breach, the breach with first perforation makes up into the patchhole.

As an improvement mode, the second connecting plate and the first connecting plate are arranged in a staggered mode, an arc-shaped first transition surface is arranged between the first connecting plate and the first annular plate, a plurality of first accommodating grooves which are spaced and communicated with the first through holes are formed in one side, close to the voice coil, of the second annular plate, and the first transition surface is located in the first accommodating grooves.

As an improved mode, an arc-shaped second transition surface is arranged between the second connecting plate and the first annular plate, the outer ring portion further comprises a plurality of supporting ridges, the supporting ridges are located in the first through holes and connected with the second annular plate, the supporting ridges and the second annular plate enclose a second accommodating groove, and the second transition surface is located in the second accommodating groove.

As an improvement mode, magnetic circuit includes splint, yoke, is fixed in on the yoke and be annular vice magnet portion and be fixed in the middle part of yoke is located main magnet portion in the vice magnet portion, splint are including being fixed in keeping away from of vice magnet portion annular fixed plate and two intervals of yoke one side are protruding to be located back to back the body the extension board in the annular fixed plate outside, the basin frame is the annular, the one end of basin frame with the extension board is connected, the other end with the sound membrane is connected.

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

As an improvement mode, the skeleton still includes the third flange, the third flange includes that two are relative to be set up and all certainly the outer profile end is to keeping away from the third connecting plate that outer sound membrane one side bending extended, first annular plate and two the third 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 upper sound diaphragm and the lower vibration diaphragms are respectively arranged on two sides of the third connecting plate, one end of each flexible plate is clamped between the third connecting plate and the lower vibration diaphragms, and the other end of each flexible plate is clamped between the basin frame and the lower vibration diaphragms.

As an improved mode, one side of the first annular plate, which is close to the outer contour end, is provided with two clamping ends, the clamping ends and the third connecting plate are arranged in a staggered mode, the outer sound film is correspondingly provided with clamping grooves, and the clamping ends are clamped in the clamping grooves.

The utility model has the advantages that:

compared with the prior art, the utility model discloses a skeleton adopts components of a whole that can function independently flange structure, and wherein first flange is used for with the voice coil loudspeaker voice coil veneer, and second flange card is inserted in the mesolamella and is connected fixedly in order to realize, and required glue when being fixed in the mesolamella veneer on the skeleton reduces to can overflow when having solved the mesolamella veneer that the monomer flange brought and glue the voice coil loudspeaker voice coil veneer position, lead to the hidden danger of voice coil loudspeaker voice coil bonding inefficacy.

[ 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 a cross-sectional view A-A of FIG. 1;

FIG. 3 is a partially enlarged view of B in FIG. 2;

fig. 4 is a schematic view of the overall structure of the speaker of the present invention;

FIG. 5 is a cross-sectional view of C-C of FIG. 4;

FIG. 6 is an enlarged partial view of D in FIG. 5;

fig. 7 is a schematic structural view of the framework of the present invention;

FIG. 8 is an enlarged partial view of E in FIG. 7;

fig. 9 is a schematic view of the overall structure of the middle membrane of the present invention;

FIG. 10 is an enlarged partial view of F in FIG. 9;

fig. 11 is a schematic view of the overall structure of the middle membrane of the present invention;

FIG. 12 is an enlarged partial view of G of FIG. 11;

fig. 13 is an exploded view of the speaker of the present invention;

fig. 14 is a schematic structural diagram of the external sound membrane of the present invention;

fig. 15 is a schematic structural view of the speaker of the present invention with the top diaphragm, the bobbin, the voice coil and the fixing ring removed;

fig. 16 is an exploded view of fig. 15.

Reference numerals:

10. a basin stand; 20. a magnetic circuit system; 21. a splint; 211. an annular fixed 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; 3121. an outer contour end; 3122. an inner contour end; 3123. a card input end; 313. a first flange; 3131. a first connecting plate; 314. a second flange; 3141. a second connecting plate; 315. a first transition surface; 316. a second transition surface; 317. a third flange; 3171. a third connecting plate; 3172. a third perforation; 318. an avoidance groove; 32. a voice coil; 321. an outgoing line; 33. an upper sound film; 34. a middle membrane; 341. an inner ring portion; 342. an outer ring portion; 3421. an insertion hole; 3422. a second annular plate; 3423. an annular projection; 3424. a first perforation; 3425. a notch; 3426. a first accommodating groove; 3427. a support edge; 3428. a second accommodating groove; 343. a first hinge part; 344. a first side edge; 345. a second side edge; 35. a ball top; 36. an external sound membrane; 361. a card slot; 37. a fixing ring; 371. a second perforation; 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 comprises a middle film 34, a dome 35 and an outer sound film 36 which is annularly arranged outside the dome 35 and fixed on the basin frame 10, 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 dome 35 can cover the light holes 311, the light holes 311 can be used for transmitting light during CCD assembly guiding, the framework 31 is fixedly arranged below the dome 35, the outer sound film 36 and the middle film 34 are fixed on the framework 31, and the framework 31 is simultaneously connected with the voice coil 32 so as to suspend the voice coil 32 in the magnetic gap 24.

Referring to fig. 8 to 12, in the present embodiment, the middle diaphragm 34 is annular, the middle diaphragm 34 includes an inner ring portion 341, an outer ring portion 342, and a first ring portion 343 disposed between the outer ring portion 342 and the inner ring portion 341, one end of the first ring portion 343 is connected to the inner ring portion 341, the other end of the first ring portion 343 is connected to the outer ring portion 342, the outer ring portion 342 has at least two symmetrically disposed insertion holes 3421, and the insertion holes 3421 vertically penetrate through the outer ring portion 342.

In this embodiment, the bobbin 31 is a split flange structure, the bobbin 31 includes a first annular plate 312, a first flange 313 and a second flange 314, the first annular plate 312 has an outer contour 3121 connected to the outer sound membrane 36 and an inner contour 3122 near one side of the middle membrane 34, the first flange 313 includes a plurality of first connecting plates 3131 bent and extended from the inner contour 3122 to one side of the voice coil 32 and connected to the voice coil 32, the second flange 314 includes a plurality of second connecting plates 3141 bent and extended from the inner contour 3122 to one side far from the voice coil 32, the first flange 313 and the second flange 314 are respectively bent and extended from the upper and lower ends of the first annular plate 312, the first flange 313 and the second flange 314 are not limited in structure, in this embodiment, the first flange 313 and the second flange 314 are preferably plate structures, a portion of the outer ring 342 is fixed above the first annular plate 312, and the second connecting plates 3141 are respectively inserted into the insertion holes 3421, therefore, glue needed when the middle membrane 34 is glued and fixed on the framework 31 is reduced, and the hidden trouble that glue overflows to the gluing position of the voice coil 32 to cause the gluing failure of the voice coil 32 when the middle membrane 34 is glued on the framework 31 and is brought by a single flange is solved.

As a preferred embodiment, the number of the insertion holes 3421 and the second connecting plates 3141 is four, the insertion holes 3421 are preferably strip-shaped holes, the outer ring portion 342 has two first side edges 344 disposed at intervals and two second side edges 345 disposed at intervals, both ends of the first side edges 344 are respectively connected with the two second side edges 345, the length of the first side edges 344 is greater than that of the second side edges 345, wherein two insertion holes 3421 are provided on both sides of the outer ring portion 342 in the direction of the first side edges 344, and the other two insertion holes 3421 are provided on the other two sides of the outer ring portion 342 in the direction of the second side edges 345, thereby fixing the middle diaphragm 34 to the frame 31 from four directions. Of course, the number of the insertion holes 3421 may be more than four, such as eight or sixteen.

The outer ring portion 342 includes a second annular plate 3422 connected to the first annular plate 343 and an annular protrusion 3423 protruding from the second annular plate 3422 and away from the voice coil 32, the second annular plate 3422 is partially fixed above the first annular plate 312, a first through hole 3424 is formed in the second annular plate 3422 in a penetrating manner, a notch 3425 is formed at an end of the annular protrusion 3423 close to the first annular plate 343, the notch 3425 and the first through hole 3424 are combined to form the above insertion hole 3421, the second connecting plate 3141 sequentially penetrates the first through hole 3424 and the notch 3425 from the bottom of the second annular plate 3422 to fix the outer ring portion 342 on the second flange 314 of the frame 31, and of course, the notch 3425 in this embodiment may be replaced by a through hole structure vertically penetrating therethrough.

The second connecting plate 3141 and the first connecting plate 3131 are arranged in a staggered manner, and since the bobbins 31 are all standard parts and have circular arc transition surfaces during design, an arc-shaped first transition surface 315 is arranged between the first connecting plate 3131 and the first annular plate 312, one side of the second annular plate 3422 close to the voice coil 32 is provided with a plurality of first accommodating grooves 3426 which are spaced apart and communicated with the first through holes 3424, and the first transition surface 315 is located in the first accommodating grooves 3426; an arc-shaped second transition surface 316 is arranged between the second connecting plate 3141 and the first annular plate 312, the outer annular portion 342 further includes a plurality of supporting ribs 3427, the supporting ribs 3427 are located in the first through holes 3424 and connected to the second annular plate 3422, the supporting ribs 3427 and the second annular plate 3422 enclose a second accommodating groove 3428, and the second transition surface 316 is located in the second accommodating groove 3428 to increase the bonding strength between the middle membrane 34 and the frame 31. Of course, the framework 31 in this embodiment may not have the circular arc transition surface during design.

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 an annular fixing plate 211 fixed above the magnetic bowl 22 and two extending plates 212 protruding from each other at intervals and located outside the annular fixing plate 211, the basin stand 10 is annular, one end of the basin stand 10 is connected with the extending plate 212, and the other end is connected with the external sound membrane 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. 13 to 16, in the present embodiment, the first main magnetic steel 231 includes a magnetic plate 2311 connected to the pole piece 232 and a convex magnet 2312 convexly disposed on the magnetic plate 2311, the vibration system 30 further includes a fixing ring 37, the fixing ring 37 is ring-shaped, the fixing ring 37 is sleeved in the middle membrane 34 and connected to the middle membrane 34, the fixing ring 37 has a second through hole 371, the convex magnet 2312 passes through the second through hole 371 and then is connected to the fixing ring 37, and the fixing ring 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 frame 31 further includes a third flange 317, the third flange 317 includes two third connecting plates 3171 which are oppositely disposed and are bent and extended from the outer contour end 3121 to a side away from the outer sound membrane 36, the third flange 317 is also a plate structure, the first flange 313 and the third flange 317 are respectively located at the inner end and the outer end of the first annular plate 312, the first annular plate 312 and the two third connecting plates 3171 surround and form two avoiding grooves 318, and the two extending plates 212 respectively penetrate through the two avoiding grooves 318 and then are connected to the basin frame 10.

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 disposed on two sides of the third connecting plate 3171, one end of each flexible plate 39 is clamped between the third connecting plate 3171 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 generate sound through the third flange 317 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 frame 10, a second arc-shaped end portion 382 close to one side of the third connecting plate 3171, and a second folded portion 383 arranged between the first arc-shaped end portion 381 and the second arc-shaped end portion 382, one end of the second folded 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 folded 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 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 third connecting plate 3171 and the lower diaphragm 38, the elastic arm 392 is suspended above the second folded 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.

In this embodiment, one side of the first annular plate 312 close to the outer contour end 3121 has two clipping ends 3123, the clipping ends 3123 are disposed in a staggered manner with respect to the third connecting plate 3171, a side of the external sound membrane 36 away from the basin stand 10 is correspondingly provided with a clipping groove 361, and the clipping ends 3123 are clipped in the clipping groove 361, so as to fix the external sound membrane 36 on the framework 31.

The third connecting plate 3171 in this embodiment is further provided with a plurality of third through holes 3172, the voice coil 32 has a plurality of lead wires 321, one end of each lead wire 321 is connected to the voice coil 32, and the other end of each lead wire 321 passes through the third through hole 3172 and then is connected to the flexible board 39, 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 (10)

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 includes the skeleton, is located the voice coil loudspeaker voice coil in the magnetic gap and is fixed in last sound membrane on the basin frame, it includes well membrane and ring and locates to go up the sound membrane well membrane outside is fixed in outer sound membrane on the basin frame, its characterized in that: the middle membrane is provided with an outer ring part, the outer ring part is provided with at least two insertion holes which are symmetrically arranged, the framework comprises a first annular plate, a first flange and a second flange, the first annular plate is provided with an outer contour end connected with the outer sound membrane and an inner contour end close to one side of the middle membrane, the first flange comprises a plurality of first connecting plates which are bent from the inner contour end to one side of the voice coil and connected with the voice coil, the second flange comprises a plurality of second connecting plates which are bent from the inner contour end to one side far away from the voice coil and matched with the insertion holes, and the second connecting plates are inserted in the insertion holes in a clamping mode.

2. The loudspeaker of claim 1, wherein: the number of the inserting holes and the number of the second connecting plates are four, the outer ring portion is provided with two first side edges arranged at intervals and two second side edges arranged at intervals, two ends of each first side edge are connected with the two second side edges respectively, the two inserting holes are formed in two sides of the outer ring portion along the direction of the first side edges, and the other two inserting holes are formed in the other two sides of the outer ring portion along the direction of the second side edges.

3. The loudspeaker of claim 1, wherein: the mesolamella is the annular, the mesolamella still includes interior annular portion and locates first ring portion of rolling over between outer ring portion and the interior annular portion, the one end of first ring portion with interior annular portion is connected, the other end with outer annular portion connects, outer annular portion include with second annular plate and protruding locating that first ring portion is connected keep away from of second annular plate the annular of voice coil loudspeaker voice coil one side is protruding, second annular plate partial fixation in the top of first annular plate, just it is equipped with first perforation to run through on the second annular plate, the bellied being close to of annular the one end of first ring portion is equipped with the breach, the breach with first perforation combination becomes the patchhole.

4. A loudspeaker according to claim 3, wherein: the second connecting plate and the first connecting plate are arranged in a staggered mode, an arc-shaped first transition surface is arranged between the first connecting plate and the first annular plate, one side, close to the voice coil, of the second annular plate is provided with a plurality of intervals and a first accommodating groove communicated with the first through hole, and the first transition surface is located in the first accommodating groove.

5. A loudspeaker according to claim 3, wherein: the second connecting plate with be equipped with curved second transition face between the first annular board, outer ring portion still includes a plurality of support arriss, support the arris and be located in the first perforation and with the second annular board is connected, support the arris with the second annular board encloses synthetic second holding tank, second transition face is located in the second holding tank.

6. The loudspeaker of claim 1, wherein: magnetic circuit includes splint, yoke, is fixed in on the yoke and be annular vice magnet portion and be fixed in the middle part of yoke is located main magnet portion in the vice magnet portion, splint are including being fixed in keeping away from of vice magnet portion annular fixed plate and two intervals of yoke one side are protruding to the back of the body and are located the extension board in the annular fixed plate outside, the basin frame is the annular, the one end of basin frame with the extension board is connected, the other end with the outer sound membrane is connected.

7. The loudspeaker of claim 6, 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 the 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 a fixing ring, the fixing ring is sleeved in the middle membrane and connected with the middle membrane, the fixing ring is provided with a second through hole, and the convex magnet penetrates through the second through hole and is connected with the fixing ring.

8. The loudspeaker of claim 6, wherein: the skeleton still includes the third flange, the third flange includes that two are relative to be set up and all certainly the outline end is to keeping away from the third connecting plate that outer sound membrane lateral buckling extended, first annular slab and two the third 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.

9. The loudspeaker of claim 8, wherein: the vibration system further comprises two lower vibration diaphragms and two flexible plates, the upper sound diaphragm and the lower vibration diaphragms are respectively arranged on two sides of the third connecting plate, one end of each flexible plate is clamped and arranged between the third connecting plate and the lower vibration diaphragms, and the other end of each flexible plate is clamped and arranged between the basin frame and the lower vibration diaphragms.

10. The loudspeaker of claim 8, wherein: one side of the first annular plate, which is close to the outer contour end, is provided with two clamping ends, the clamping ends and the third connecting plate are arranged in a staggered mode, clamping grooves are correspondingly formed in the outer sound film, and the clamping ends are inserted into the clamping grooves in a clamping mode.

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