CN213462308U - Loudspeaker - Google Patents

Abstract

The utility model provides a loudspeaker, comprising a basin frame with a containing cavity, a magnetic circuit system and a vibration system which are contained in the containing cavity, wherein the magnetic circuit system comprises a magnetic bowl fixed on the basin frame, magnetic steel which is positioned in the magnetic bowl and forms a magnetic gap with the magnetic bowl, and a voice coil which is positioned in the magnetic gap, the vibration system comprises a vibrating diaphragm, an upper framework, a lower framework and an annular support frame, the upper framework comprises a first annular plate connected with the vibrating diaphragm, a second annular plate coaxial with the first annular plate and a first bending arm connecting the first annular plate and the second annular plate, the lower framework comprises a third annular plate, a fourth annular plate coaxial with the third annular plate and a second bending arm connecting the third annular plate and the fourth annular plate, the third annular plate is connected with the first annular plate through the annular support frame, the second annular plate and the fourth annular plate are respectively provided with a first step and a second step, the voice coil is provided with a first positioning groove and a second positioning groove, the first step and the second step are respectively arranged in the first positioning groove and the second positioning groove through viscous liquid.

Description

Loudspeaker

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electronic component's technical field of structure especially relates to a speaker.

[ background of the invention ]

With the rapid development of mobile communication technology in recent years, consumers increasingly use mobile communication devices with voice functions, such as portable phones, handheld game consoles, portable computers, multimedia players and other devices capable of communicating over public or private communication networks. The loudspeaker is used as a voice playing device, and the performance of the loudspeaker is directly influenced by the design of the loudspeaker.

The speaker includes the basin frame, accept in the magnetic circuit and the vibration system of basin frame, be equipped with the voice coil loudspeaker voice coil in the magnetic circuit, magnetism bowl and magnet steel, the voice coil loudspeaker voice coil is located the produced magnetic gap of magnetism bowl and magnet steel, vibration system includes vibrating diaphragm and skeleton, the vibrating diaphragm passes through the skeleton and is connected with the voice coil loudspeaker voice coil, the quantity of skeleton can have two, be skeleton and lower skeleton respectively, when the voice coil loudspeaker voice coil lets in alternating current, under magnetic field effect of magnetic circuit, the voice coil loudspeaker voice coil can receive the motive force of an alternation, produce alternating motion, promote the vibration direction vibration that the voice coil loudspeaker voice coil can be followed to the vibrating diaphragm through last skeleton and lower skeleton together, and.

However, the front adhesive surfaces of the upper bobbin, the lower bobbin and the voice coil are a plane, and the upper bobbin and the voice coil or the lower bobbin and the voice coil are easy to fall off.

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 go up between skeleton and the voice coil loudspeaker voice coil and be difficult for the speaker that drops between skeleton and the voice coil loudspeaker voice coil down.

The technical scheme of the utility model as follows:

in order to achieve the above object, the utility model provides a loudspeaker, including having the basin frame of accepting the chamber and accept in accept magnetic circuit and vibration system in the intracavity, magnetic circuit is including being fixed in magnetism bowl on the basin frame, being located in the magnetism bowl with the magnetism bowl forms the magnet steel in magnetic gap and is located voice coil loudspeaker voice coil in the magnetic gap, vibration system is including being fixed in the basin frame is in order to be used for vibrating the vibrating diaphragm of sound production and being located last skeleton, lower skeleton and the annular bracing frame of vibrating diaphragm below, go up the skeleton include with first annular plate that the vibrating diaphragm is connected, with the second annular plate and the connection that first annular plate is coaxial and the interval set up first annular plate with the first bending arm of second annular plate, lower skeleton is including being located third annular plate of first annular plate below, with the coaxial and fourth annular plate and the connection that the interval set up of third annular plate the third annular plate with the bending arm of second annular plate The second bending arm of fourth annular plate, the third annular plate passes through annular bracing frame with first annular plate is connected, second annular plate and fourth annular plate orientation the one end of voice coil loudspeaker voice coil is equipped with first step and second step respectively, the voice coil loudspeaker voice coil have first constant head tank and with the second constant head tank that first constant head tank set up mutually, go up the skeleton first step pass through viscous liquid bond in first constant head tank, down the skeleton the second step pass through viscous liquid bond in the second constant head tank.

As an improvement, the first positioning groove and the second positioning groove are both annular, the voice coil has an upper wall surface facing one side of the diaphragm, a lower wall surface arranged opposite to the upper wall surface, and an outer side wall surface connected with the upper wall surface, the lower wall surface and the outer side wall surface arranged facing one side of the annular support frame, the first positioning groove is recessed towards one side of the lower wall surface from the upper wall surface and communicated with the outer side wall surface, and the second positioning groove is recessed towards one side of the upper wall surface from the lower wall surface and communicated with the outer side wall surface.

As an improvement, the outer diameter of the second annular plate is smaller than the inner diameter of the first annular plate, the second annular plate includes a first annular base plate connected to the first bending arm and a first annular side plate protruding from the first annular base plate on a side away from the diaphragm, the inner diameter of the first annular side plate is larger than the inner diameter of the first annular base plate, and the first annular side plate forms the first step on the first annular base plate.

As an improvement, the outer diameter of the fourth annular plate is smaller than the inner diameter of the third annular plate, the fourth annular plate includes a second annular base plate connected to the second bending arm and a second annular side plate protruding from the second annular base plate toward the diaphragm side, the inner diameter of the second annular side plate is larger than the inner diameter of the second annular base plate, and the second annular side plate forms the second step on the second annular base plate.

As an improvement mode, the vibration system still includes the flexible circuit subassembly, the flexible circuit subassembly includes a plurality of wires and a plurality of pad, run through on the basin frame and be equipped with a plurality of first perforation, the interval is equipped with a plurality of first breachs on the ring support frame, the one end of wire is fixed in on the outer wall of basin frame, the other end passes behind first perforation and the first breach with voice coil loudspeaker voice coil electric connection, just the middle part of wire is through a plurality of the pad is fixed in on the first annular plate.

As an improvement mode, the basin frame includes the bottom plate, certainly the edge of bottom plate to the third annular curb plate that vibrating diaphragm lateral buckling extended and protruding locating the support protrusion at bottom plate middle part, the bottom plate with the third annular curb plate encloses to be synthetic accept the chamber, support protrusion has the chamber that holds that runs through its axial both ends and bottom plate, the magnetism bowl is fixed in hold the intracavity.

As an improvement mode, the magnetic bowl is provided with an accommodating space and a plurality of second through holes which penetrate through the magnetic bowl and are communicated with the accommodating space, the voice coil and the magnetic steel are located in the accommodating space, second notches corresponding to the second through holes are arranged on the supporting protrusions in a penetrating mode, and the first bending arm and the second bending arm sequentially penetrate through the second notches and the second through holes and are fixedly connected with the voice coil.

As an improvement mode, the magnetic circuit system further comprises two pole cores located in the accommodating space, the number of the magnetic steels is two, the pole cores are located between the two magnetic steels, and the voice coil is sleeved outside the pole cores.

As an improvement, the magnetic bowl includes an upper cover and a lower cover, at least one of the upper cover and the lower cover is fixedly connected to the accommodating cavity, the upper cover is fastened to the lower cover and encloses the accommodating space with the lower cover, the two magnetic steels abut against the upper cover and the lower cover, and the second through hole is formed in the upper cover and/or the lower cover.

As an improved mode, the diaphragm includes a first diaphragm connected to the third annular side plate and a second diaphragm spaced from the first diaphragm and connected to the support protrusion, the first diaphragm and the second diaphragm are both annular and coaxially disposed, and the second diaphragm is connected to the first diaphragm through the upper frame.

The utility model has the advantages that:

the utility model discloses the voice coil loudspeaker voice coil of speaker has the first constant head tank and the second constant head tank that set up mutually, the first step of going up the skeleton passes through viscous liquid and bonds in first constant head tank, the second step of lower skeleton passes through viscous liquid and bonds in the second constant head tank, compare with original fixed mode, this fixed mode has increased skeleton and voice coil loudspeaker voice coil, and the veneer area of lower skeleton and voice coil loudspeaker voice coil, the problem of skeleton and voice coil loudspeaker voice coil separation is gone up to the high-power lower skeleton of better improvement, it is more firm to make it fix.

[ description of the drawings ]

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

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

fig. 4 is a first exploded view of the speaker of the present invention;

fig. 5 is a second exploded view of the speaker of the present invention;

FIG. 6 is a first schematic structural view of the basin stand of the present invention;

FIG. 7 is a second structural view of the basin stand of the present invention;

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

FIG. 9 is an enlarged partial schematic view at C of FIG. 8;

fig. 10 is a schematic structural view of the lower frame of the present invention;

FIG. 11 is an enlarged partial view of FIG. 10 at D;

fig. 12 is a schematic structural view of a voice coil according to the present invention;

fig. 13 is a cross-sectional view of E-E in fig. 12.

Reference numerals:

10. a basin stand; 11. an accommodating cavity; 12. a base plate; 121. a first perforation; 13. a third annular side plate; 14. a support boss; 141. an accommodating chamber; 142. a second notch; 143. a third positioning groove; 144. a first threaded hole; 145. a fourth positioning groove; 146. a second threaded hole; 20. a magnetic circuit system; 21. a magnetic bowl; 211. an accommodating space; 212. a second perforation; 2121. a first U-shaped hole; 2122. a second U-shaped hole; 213. an upper cover body; 2131. a first lug; 2132. a first through hole; 214. a lower cover body; 2141. a second lug; 2142. a second through hole; 22. a magnetic gap; 23. magnetic steel; 24. a voice coil; 241. a first positioning groove; 242. a second positioning groove; 243. an upper wall surface; 244. a lower wall surface; 245. an outer sidewall surface; 25. a pole piece; 30. a vibration system; 31. vibrating diaphragm; 311. a first diaphragm; 3111. a first annular end portion; 3112. a second annular end portion; 3113. a first hinge part; 312. a second sound film; 3121. a third annular end portion; 3122. a fourth annular end portion; 3123. a second flange part; 32. mounting a framework; 321. a first annular plate; 322. a second annular plate; 3221. a first step; 3222. a first annular substrate; 3223. a first annular side plate; 323. a first bending arm; 3231. a wire accommodating groove; 33. a lower framework; 331. a third annular plate; 332. a fourth annular plate; 3321. a second step; 3322. a second annular substrate; 3323. a second annular side plate; 333. a second bending arm; 334. a third notch; 34. an annular support frame; 341. a first notch; 35. a flexible circuit assembly; 351. a wire; 352. a pad; 36. and (5) pressing a ring.

[ 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 5, the present invention provides a speaker, which includes a frame 10, a magnetic circuit system 20 and a vibration system 30, wherein the frame 10 has a receiving cavity 11, and the magnetic circuit system 20 and the vibration system 30 are both received in the receiving cavity 11.

The magnetic circuit system 20 comprises a magnetic bowl 21 fixed on the basin frame 10, a magnetic steel 23 located in the magnetic bowl 21 to form a magnetic gap 22 with the magnetic bowl 21, and a voice coil 24 located in the magnetic gap 22, the vibration system 30 comprises a vibration diaphragm 31, an upper framework 32, a lower framework 33, an annular support frame 34 and a flexible circuit assembly 35, the vibration diaphragm 31 is fixed on the basin frame 10 to be used for vibration and sound production, the upper framework 32, the lower framework 33 and the annular support frame 34 are all located below the vibration diaphragm 31, one end of the upper framework 32 is connected with the vibration diaphragm 31, the other end of the upper framework is connected with the top of the voice coil 24, one end of the lower framework 33 is connected with the upper framework 32 through the annular support frame 34, the other end of the lower framework is connected with the bottom of the voice coil 24, the flexible circuit assembly 35 comprises a plurality of wires 351, a plurality of first through holes 121 are arranged on the basin frame 10 in a penetrating manner, a plurality of, The other end passes through the first through hole 121 and the first notch 341 and then is electrically connected to the voice coil 24 to energize the voice coil 24, when the voice coil 24 is energized with alternating current, under the action of the magnetic field of the magnetic circuit system 20, the voice coil 24 is driven by an alternating driving force to move up and down, so as to generate alternating motion, and the diaphragm 31 is driven to vibrate along the vibration direction of the voice coil 24, thereby generating sound.

Referring to fig. 8 to 13, in this embodiment, the upper frame 32 includes a first annular plate 321 connected to the diaphragm 31, a second annular plate 322 spaced apart from the first annular plate 321, and a first bending arm 323 connecting the first annular plate 321 and the second annular plate 322, the first annular plate 321 and the second annular plate 322 are coaxially disposed, an outer diameter of the second annular plate 322 is smaller than an inner diameter of the first annular plate 321, the lower frame 33 includes a third annular plate 331 located below the first annular plate 321, a fourth annular plate 332 coaxial with and spaced apart from the third annular plate 331, and a second bending arm 333 connecting the third annular plate 331 and the fourth annular plate 332, an outer diameter of the fourth annular plate 332 is smaller than an inner diameter of the third annular plate 331, the third annular plate 331 is connected to the first annular plate 321 through an annular support 34, one end of the second annular plate 322 and one end of the fourth annular plate 332 facing the voice coil 24 are respectively provided with a first step 3221 and a second step 3321, voice coil 24 has first constant head tank 241 and the second constant head tank 242 that sets up with first constant head tank 241 mutually, first constant head tank 241 and second constant head tank 242 all are the annular, go up the first step 3221 of skeleton 32 and bond in first constant head tank 241 through viscous liquid, the second step 3321 of skeleton 33 bonds in second constant head tank 242 through viscous liquid down, this fixed mode has increased last skeleton 32 and voice coil 24, and the veneer area of lower skeleton 33 and voice coil 24, go up skeleton 32 and voice coil 24 under the better high-power improvement, and the problem of lower skeleton 33 and voice coil 24 separation, make and go up skeleton 32 and voice coil 24, and it is more firm to fix between skeleton 33 and the voice coil 24 down.

Specifically, the voice coil 24 has an upper wall surface 243 facing one side of the diaphragm 31, a lower wall surface 244 opposite to the upper wall surface 243, and an outer side wall surface 245 connecting the upper wall surface 243 and the lower wall surface 244 and facing one side of the annular support frame 34, the first positioning groove 241 is recessed from the upper wall surface 243 to one side of the lower wall surface 244 and communicated with the outer side wall surface 245, the second positioning groove 242 is recessed from the lower wall surface 244 to one side of the upper wall surface 243 and communicated with the outer side wall surface 245, cross sections of the first positioning groove 241 and the second positioning groove 242 are both "L" shaped, and the upper and lower outer side surfaces of the voice coil 24 are both designed according to a staggered layer structure.

The second annular plate 322 includes a first annular base plate 3222 connected to the first bending arm 323 and a first annular side plate 3223 protruding from the first annular base plate 3222 on a side away from the diaphragm 31, an outer diameter of the first annular side plate 3223 is the same as an outer diameter of the first annular base plate 3222, but an inner diameter of the first annular side plate 3223 is larger than an inner diameter of the first annular base plate 3222, so that the first annular side plate 3223 forms a first step 3221 on the first annular base plate 3222 so as to be matched with the first positioning groove 241.

The fourth annular plate 332 includes a second annular base plate 3322 connected to the second bending arm 333 and a second annular side plate 3323 protruding from a side of the second annular base plate 3322 facing the diaphragm 31, an outer diameter of the second annular side plate 3323 is the same as an outer diameter of the second annular base plate 3322, an inner diameter of the second annular side plate 3323 is larger than an inner diameter of the second annular base plate 3322, and the second annular side plate 3323 forms a second step 3321 on the second annular base plate 3322 so as to be matched with the second positioning groove 242.

In a preferred embodiment, the flexible circuit assembly 35 further includes a plurality of pads 352, the portion of the wire 351 located on the outer wall of the basin stand 10 and the middle portion of the wire 351 are respectively fixed on the outer wall of the basin stand 10 and the first annular plate 321 through the plurality of pads 352, so that the wire 351 is prevented from being bent greatly, and the bottom of the first bending arm 323 penetrates through the wire accommodating groove 3231 along the length thereof, and the wire 351 is partially accommodated in the wire accommodating groove 3231, so as to further position the wire 351.

Referring to fig. 2 to 7, in the embodiment, the basin stand 10 includes a bottom plate 12, a third annular side plate 13 bent and extended from an edge of the bottom plate 12 to one side of the diaphragm 31, and a supporting protrusion 14 protruding from a middle portion of the bottom plate 12, the bottom plate 12 and the third annular side plate 13 enclose a receiving cavity 11, the bottom plate 12 is a hollow plate, the first through hole 121 is disposed on the bottom plate 12, the supporting protrusion 14 has a receiving cavity 141 penetrating through two axial ends and the bottom plate 12, and the magnetic bowl 21 is fixed in the receiving cavity 141.

The magnetic bowl 21 has an accommodating space 211 and a plurality of second through holes 212 penetrating through the magnetic bowl 21 and communicating with the accommodating space 211, the voice coil 24 and the magnetic steel 23 are both located in the accommodating space 211, specifically, the magnetic bowl 21 includes an upper cover 213 and a lower cover 214, at least one of the upper cover 213 and the lower cover 214 is fixedly connected with the accommodating cavity 141, the upper cover 213 is buckled on the lower cover 214 and encloses the accommodating space 211 with the lower cover 214, the magnetic circuit system 20 further includes two pole cores 25 located in the accommodating space 211, the number of the magnetic steels 23 is two, the pole cores 25 are located between the two magnetic steels 23, the voice coil 24, the pole core 25 and the two magnetic steels 23 are located in the accommodating space 211, the magnetic gap 22 is formed between the magnetic steels 23 and the pole core 25 and the magnetic bowl 21 in the magnetic circuit system 20, the voice coil 24 is sleeved outside the pole core 25, the two magnetic steels 23 are respectively abutted against the upper cover body 213 and the lower cover body 214, and the second through hole 212 is formed in the upper cover body 213 and/or the lower cover body 214.

Meanwhile, the support protrusion 14 is provided with a second notch 142 corresponding to the second through hole 212 in a penetrating manner, the first bending arm 323 and the second bending arm 333 both sequentially penetrate through the second notch 142 and the second through hole 212 and then are fixedly connected to the voice coil 24, one end of the wire 351 is fixed on the outer wall of the frame 10, and the other end of the wire penetrates through the first through hole 121 and then sequentially penetrates through the second notch 142 and the second through hole 212 along with the second bending arm 333 and is electrically connected to the voice coil 24.

In this embodiment, the magnetic bowl 21 further includes a plurality of first fasteners and a plurality of second fasteners, a plurality of first lugs 2131 are convexly disposed on one side of the upper cover body 213 close to the lower cover body 214, each first lug 2131 is provided with a first through hole 2132, a plurality of third positioning grooves 143 and a first threaded hole 144 located on the bottom surface of the third positioning groove 143 are concavely disposed on the top of the supporting protrusion 14, the first lugs 2131 are clamped in the third positioning grooves 143, and the first fasteners penetrate through the first through holes 2132 and then are fastened to the first threaded holes 144, so that the upper cover body 213 is fixed in the accommodating cavity 141 of the supporting protrusion 14.

A plurality of second lugs 2141 are disposed on a side of the lower cover 214 close to the upper cover 213, each second lug 2141 has a second through hole 2142, a plurality of fourth positioning slots 145 and a second threaded hole 146 located on a bottom surface of the fourth positioning slot 145 are concavely disposed at a bottom of the supporting protrusion 14, the second lug 2141 is clamped in the fourth positioning slot 145, and a second fastening member passes through the second through hole 2142 and then is fastened to the second threaded hole 146, so that the lower cover 214 is also fixed in the accommodating cavity 141 of the supporting protrusion 14.

In this embodiment, the upper cover 213 has a first U-shaped hole 2121, the lower cover 214 has a second U-shaped hole 2122, and the first U-shaped hole 2121 and the second U-shaped hole 2122 surround the second through hole 212.

The vibration system 30 further comprises a press ring 36, the diaphragm 31 comprises a first sound membrane 311 connected to the third annular side plate 13 and a second sound membrane 312 connected to the support boss 14, the first and second sound membranes 311, 312 are both annular and coaxially arranged, the first sound membrane 311 comprises a first annular end 3111 connected to the frame 10, a second annular end 3112 arranged spaced apart from the first annular end 3111 and a first collar portion 3113 connecting the first and second annular ends 3111, 3112, the first annular end 3111 has an inner diameter larger than an outer diameter of the second annular end 3112, the second sound membrane 312 comprises a third annular end 3121, a fourth annular end 3122 arranged spaced apart from the third annular end 3121 and connected to the support boss 14 and a second collar portion 3123 connecting the third and fourth annular ends 3121, 3122 is fixed to the support boss 14 by means of the press ring 36, the third annular end 3121 has an inner diameter larger than the outer diameter of the fourth annular end 3122, and the outer diameter of the third annular end 3121 is smaller than the inner diameter of the second annular end 3112, and the third annular end 3121 of the second sound film 312 is connected to the second annular end 3112 of the first sound film 311 through the upper frame 32.

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, including have the basin frame of acceping the chamber and accept in accept magnetic circuit and the vibration system of intracavity, magnetic circuit is including being fixed in magnetism bowl on the basin frame, be located in the magnetism bowl with the magnetism bowl forms the magnet steel in magnetic gap and is located voice coil loudspeaker voice coil in the magnetic gap, its characterized in that: the vibration system comprises a vibrating diaphragm fixed on the basin frame for vibrating and sounding, an upper framework, a lower framework and an annular support frame, wherein the upper framework, the lower framework and the annular support frame are positioned below the vibrating diaphragm, the upper framework comprises a first annular plate connected with the vibrating diaphragm, a second annular plate coaxial and spaced with the first annular plate and a first bending arm connected with the first annular plate and the second annular plate, the lower framework comprises a third annular plate positioned below the first annular plate, a fourth annular plate coaxial and spaced with the third annular plate and a second bending arm connected with the third annular plate and the fourth annular plate, the third annular plate is connected with the first annular plate through the annular support frame, the second annular plate and the fourth annular plate are respectively provided with a first step and a second step towards one end of the voice coil, the voice coil is provided with a first positioning groove and a second positioning groove opposite to the first positioning groove, go up the skeleton first step pass through viscous liquid bond in first constant head tank, down the skeleton second step pass through viscous liquid bond in the second constant head tank.

2. The loudspeaker of claim 1, wherein: first constant head tank with the second constant head tank all is the annular, the voice coil loudspeaker voice coil have towards the last wall of vibrating diaphragm one side, with lower wall and the connection that go up the wall and set up mutually back to back the body the last wall with lower wall and orientation the outside wall that annular support frame one side set up, first constant head tank is followed the last wall is towards lower wall one side is concave establish and with the outside wall is linked together, the second constant head tank is followed lower wall is towards go up wall one side is concave establish and with the outside wall is linked together.

3. The loudspeaker of claim 2, wherein: the outer diameter of the second annular plate is smaller than the inner diameter of the first annular plate, the second annular plate comprises a first annular base plate connected with the first bending arm and a first annular side plate protruding from the first annular base plate and far away from one side of the vibrating diaphragm, the inner diameter of the first annular side plate is larger than that of the first annular base plate, and the first annular side plate forms the first step on the first annular base plate.

4. The loudspeaker of claim 2, wherein: the outer diameter of the fourth annular plate is smaller than the inner diameter of the third annular plate, the fourth annular plate comprises a second annular base plate and a second annular side plate, the second annular base plate is connected with the second bending arm, the second annular side plate protrudes from the second annular base plate and faces towards one side of the vibrating diaphragm, the inner diameter of the second annular side plate is larger than the inner diameter of the second annular base plate, and the second annular side plate is arranged on the second annular base plate to form the second step.

5. The loudspeaker of claim 4, wherein: the vibration system still includes the flexible circuit subassembly, the flexible circuit subassembly includes a plurality of wires and a plurality of pad, run through on the basin frame and be equipped with a plurality of first perforations, the interval is equipped with a plurality of first breachs on the ring support frame, the one end of wire is fixed in on the outer wall of basin frame, the other end passes behind first perforation and the first breach with voice coil loudspeaker voice coil electric connection, just the middle part of wire is through a plurality of the pad is fixed in on the first annular plate.

6. The loudspeaker of claim 1, wherein: the basin frame includes the bottom plate, certainly the edge of bottom plate to the third annular curb plate and the protruding locating that the vibrating diaphragm lateral buckling extended the support arch at bottom plate middle part, the bottom plate with the third annular curb plate encloses to be synthetic accept the chamber, the support arch has the chamber that holds that runs through its axial both ends and bottom plate, the magnetism bowl is fixed in hold the intracavity.

7. The loudspeaker of claim 6, wherein: the magnetic bowl is provided with an accommodating space and a plurality of second through holes which penetrate through the magnetic bowl and are communicated with the accommodating space, the voice coil and the magnetic steel are both positioned in the accommodating space, second notches corresponding to the second through holes are arranged on the supporting protrusions in a penetrating mode, and the first bending arms and the second bending arms sequentially penetrate through the second notches and the second through holes and are fixedly connected with the voice coil.

8. The loudspeaker of claim 7, wherein: the magnetic circuit system further comprises two pole cores located in the accommodating space, the number of the magnetic steels is two, the pole cores are located between the two magnetic steels, and the voice coil is sleeved outside the pole cores.

9. The loudspeaker of claim 8, wherein: the magnetic bowl comprises an upper cover body and a lower cover body, at least one of the upper cover body and the lower cover body is fixedly connected with the accommodating cavity, the upper cover body is buckled on the lower cover body and encloses the accommodating space with the lower cover body, the two magnetic steels are respectively abutted against the upper cover body and the lower cover body, and the second through hole is formed in the upper cover body and/or the lower cover body.

10. The loudspeaker of claim 6, wherein: the vibrating diaphragm include with the first sound membrane that third annular curb plate is connected and with first sound membrane looks interval and with the second sound membrane that the support protrusion is connected, first sound membrane and second sound membrane all are the annular and for coaxial setting, the second sound membrane pass through go up the skeleton with first sound membrane is connected.

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