CN217849616U

CN217849616U - Loudspeaker

Info

Publication number: CN217849616U
Application number: CN202221877603.6U
Authority: CN
Inventors: 黄旭光; 郑峰成
Original assignee: Gettop Acoustic Co Ltd
Current assignee: Gettop Acoustic Co Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-18
Anticipated expiration: 2032-07-21

Abstract

The utility model provides a loudspeaker, including the preceding shell, be provided with the connection platform of connecting the vibrating diaphragm in the preceding shell, preceding shell and vibrating diaphragm setting of moulding plastics as an organic whole, it is provided with a plurality of first archs to connect the platform along interior week, first protruding inboard protrusion setting towards, the vibrating diaphragm is provided with a plurality of second archs along the periphery, the protruding outside protrusion setting towards of second, first protruding and the protruding crisscross connection each other of second, one side of connecting the platform is provided with the first enhancement limit that couples together a plurality of adjacent first archs and/or the second enhancement limit that couples together a plurality of adjacent second archs. The tensile force to the vibrating diaphragm can be increased, the generation of gaps in the vibrating process is effectively prevented, the maximum amplitude scheme design allowed by the structural space can be supported, the acoustic performance is effectively improved, and two different types of materials with poor compatibility can be integrally formed.

Description

Loudspeaker

Technical Field

The utility model belongs to the technical field of the electronic product technique and specifically relates to a speaker is related to.

Background

The preceding shell and the vibrating diaphragm of present speaker are for moulding plastics an organic whole structure many times, preceding shell only leans on the four corners to grab gluey cooperation with the vibrating diaphragm because of structural connection, the shell sets up the recess with four angles of vibrating diaphragm junction in the front promptly, set up on the vibrating diaphragm with recess complex arch, the gluey dynamics of grabbing of this kind of scheme is not enough, make the bulk strength relatively poor, large amplitude design or the relatively poor vibrating diaphragm material of compatibility have with the risk of preceding shell separation when the vibrating diaphragm high frequency vibrates, thereby lead to the adverse risk that the front and back chamber switches on and polarize. Therefore, the front shell material and the diaphragm material can only be limited to use materials with better compatibility, and the risk of generating gaps or falling off is prevented. In the development of the industry, materials with poor compatibility cannot be avoided due to the acoustic performance requirements, so that the existing scheme cannot meet the requirements.

In addition, for increasing the volume of a loudspeaker cavity, the rear shell is often of an all-steel structure, the front shell and the rear shell are assembled by gluing, the risk of air leakage of a product is extremely high under the condition that glue fails or is badly smeared, and if the proportion of toxic pollutants contained in the glue exceeds the standard, the environmental protection requirement cannot pass the detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a speaker.

The purpose of the utility model is achieved through the following technical measures: a loudspeaker, characterized by: including preceding shell, be provided with the connection platform of connecting the vibrating diaphragm in the preceding shell, preceding shell and vibrating diaphragm setting of moulding plastics as an organic whole, it is provided with a plurality of first archs to connect the platform along interior week, first protruding inboard protrusion setting of orientation, the vibrating diaphragm is provided with a plurality of second archs along the periphery, the protruding outside protrusion setting of orientation of second, first protruding and the protruding mutual staggered connection of second, the one side of connecting the platform is provided with the first enhancement limit of connecting a plurality of adjacent first archs and/or strengthens the limit with the protruding second of connecting a plurality of adjacent second.

As a preferred scheme, the first bulges are uniformly distributed along the inner periphery of the connecting platform, and the second bulges are uniformly distributed along the outer periphery of the vibrating diaphragm.

Preferably, the first reinforcing edge is arranged in a closed manner and/or the second reinforcing edge is arranged in a closed manner.

Preferably, the first reinforcing edge is arranged in a broken manner, and the second reinforcing edge is arranged in a broken manner.

Preferably, the first reinforcing edge and the second reinforcing edge are sequentially staggered or overlapped.

As a preferable scheme, the first bulges are provided with a plurality of groups along the inner periphery of the connecting platform, at least two first bulges are arranged in each group, and the second bulges are in one-to-one correspondence with the first bulges.

Preferably, the first protrusions and the second protrusions in the same group are provided with first reinforcing edges and/or second reinforcing edges correspondingly.

Preferably, the number of the first reinforcing edges and/or the second reinforcing edges is greater than, equal to or less than the number of the corresponding groups of the first protrusions and the second protrusions.

As a preferable scheme, a first groove is formed between adjacent first bulges, a second groove is formed between adjacent second bulges, the first bulges are located in the second grooves, the second bulges are located in the first grooves, the depth of the first grooves is H1, the width of the side of the connecting table corresponding to the first grooves is H2, H1 is greater than or equal to 0.5 H2, the depth of the second grooves is H3, the width of the side of the vibrating diaphragm corresponding to the second grooves is H4, and H3 is greater than or equal to 0.5 H4.

As a preferred scheme, one side of preceding shell is connected with the backshell, preceding shell passes through the buckle with the backshell and is connected, the tip of preceding shell is provided with the brace table of being connected with the backshell, the buckle sets up on the inner wall of preceding shell tip, one side that the brace table is close to the backshell is provided with the sealing washer.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the first bulges and the second bulges are arranged in a staggered mode, the first reinforcing edges are arranged to connect the first bulges, and the second reinforcing edges are connected with the second bulges, so that the tensile force on the vibrating diaphragm can be increased, the generation of gaps in the vibrating process can be effectively prevented, the maximum amplitude scheme design allowed by the structural space can be supported, the acoustic performance can be effectively improved, and two different materials with poor compatibility can be integrally formed; through buckle and sealing washer and backshell sealing connection, be convenient for follow-up disassembling and resume the product original state again, be favorable to bad product to disassemble to restore retest after the analysis reason and verify, and can repair bad matters such as the inside omission process of cavity, reduce the defective rate, can reduce the use of glue, avoid inefficacy because of glue is outdated, leak and scribble inhomogeneous production that leads to the gas leakage badly, owing to make needs, the glue that satisfies the demand can not avoid containing the poisonous and harmful substance that exceeds standard, consequently, be favorable to the environmental protection.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic view of the overall cross-sectional structure of the speaker of the present invention.

Fig. 2 is a schematic view of a connection structure between a front shell and a diaphragm of the speaker of the present invention.

Fig. 3 is a schematic diagram of a cross-sectional structure of a front shell and a diaphragm of a speaker according to the present invention.

Fig. 4 is a schematic top view of a front housing of a speaker according to the present invention.

Fig. 5 is a schematic diagram of a three-dimensional structure of a front shell of a speaker according to the present invention.

Fig. 6 is a schematic view of a first groove sectioning structure of a speaker according to the present invention.

Fig. 7 is a schematic diagram of a second groove sectioning structure of the speaker of the present invention.

Fig. 8 is a schematic diagram of a diaphragm structure of a speaker according to the present invention.

Fig. 9 is a schematic structural diagram of a supporting platform of the speaker of the present invention.

Fig. 10 is a schematic structural diagram of embodiment 2 of the speaker of the present invention.

Fig. 11 is a schematic structural diagram of embodiment 3 of the speaker of the present invention.

Fig. 12 is a schematic view of a distribution structure of a first reinforcing edge and a second reinforcing edge of embodiment 4 of the speaker according to the present invention.

Fig. 13 is a schematic view of a distribution structure of the first protrusions and the second protrusions according to embodiment 7 of the present invention.

Fig. 14 is a schematic view of a distribution structure of a first reinforcing edge and a second reinforcing edge of embodiment 7 of the speaker of the present invention.

Fig. 15 is a schematic view of a first reinforcing edge structure according to embodiment 8 of the present invention.

Fig. 16 is a schematic structural view of a first reinforcing edge and a second reinforcing edge of an embodiment 10 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1: as shown in fig. 1 to 9, a speaker includes a front casing 1, a connection platform 3 connected to a vibrating diaphragm 2 is disposed in the front casing 1, the front casing 1 and the vibrating diaphragm 2 are integrally formed by injection molding, in this embodiment, the front casing 1 is hollow, and the connection platform 3 is disposed in a hollow inner space of the front casing 1. One end of the connecting platform 3 is in a step shape and is connected with the front shell 1, and the other end of the connecting platform extends towards the inner space of the front shell 1 and is arranged in a circumferential closed mode. In this embodiment, the connection table 3 has a square shape.

As shown in fig. 2, 4 and 5, the connecting table 3 is provided with a plurality of first protrusions 4 along the circumferential direction, the first protrusions 4 are arranged to protrude inward, and first grooves 5 are formed between adjacent first protrusions 4. The vibrating diaphragm 2 is located in a space surrounded by the connecting table 3, the circumferential direction of the vibrating diaphragm 2 is provided with second bulges 6 protruding outwards, second grooves 7 are formed between the adjacent second bulges 6, the second bulges 6 are matched with the first grooves 5, and the first bulges 4 are matched with the second grooves 7. The first protrusion 4 is located in the second groove 7, the second protrusion 6 is located in the first groove 5, and the first protrusion 4 and the second protrusion 6 enable the connection surface of the connection platform 3 and the diaphragm 2 to be in a cross structure. In this embodiment, the inner side is the side close to the center of the speaker, and the outer side is the side far from the center. In this embodiment, the first protrusions 4 are uniformly distributed along the circumferential direction of the connecting platform 3, and the second protrusions 6 are uniformly distributed along the circumferential direction of the diaphragm 2.

As shown in fig. 1, 3, 4, 5 and 6, the connecting table 3 is further provided with a first reinforcing edge 8, the first reinforcing edge 8 is arranged along the circumferential direction of the space enclosed by the first protrusions 4, the first reinforcing edge 8 is arranged in a closed manner, the first reinforcing edge 8 connects all the first protrusions 4, one end of each first protrusion 4 is connected with the connecting table 3, and the other end of each first protrusion is connected with the first reinforcing edge 8. The first reinforcing edge 8 is arranged at one end of the first bulge 4, which is close to the connecting platform 3 and is connected with the front shell 1.

As shown in fig. 1, fig. 3, fig. 7, and fig. 8, a second reinforcing edge 9 is further disposed in the circumferential direction of the diaphragm 2, the second reinforcing edge 9 is disposed along the circumferential direction of the diaphragm 2, the second reinforcing edge 9 connects all the second protrusions 6, one end of each second protrusion 6 is connected to the diaphragm 2, and the other end of each second protrusion is connected to the second reinforcing edge 9. The second reinforcing edge 9 is arranged at one end of the second protrusion 6, which is close to the connecting platform 3 and is connected with the front shell 1.

As shown in fig. 1 and 3, the first reinforcing rim 8 and the second reinforcing rim 9 are concentrically arranged, and the first reinforcing rim 8 is located inside the second reinforcing rim 9. The second reinforcing flange 9 is located between the first reinforcing flange 8 and the connecting pad 3. The first reinforcing edge 8 and the second reinforcing edge 9 are arranged close to the end of the connecting platform 3 connected with the front shell 1 in a flush manner.

As shown in FIG. 4, the depth of the first groove 5 is H1, the width of the connecting platform 3 corresponding to the first groove 5 is H2, and H1 is greater than or equal to 0.5 H2. As shown in FIG. 7, the depth of the second groove 7 is H3, the width of the side of the diaphragm 2 corresponding to the second groove 7 is H4, and H3 is greater than or equal to 0.5 H4. Effectively improve area of contact, can increase the pulling force to vibrating diaphragm 2.

During processing, the front shell 1 is firstly molded by injection, and the vibrating diaphragm 2 is then molded by injection, so that the front shell 1 and the vibrating diaphragm 2 are integrally molded by injection. The first protrusion 4 and the second protrusion 6 and the first reinforcing edge 8 and the second reinforcing edge 9 are hooked to each other in a crossing structure. The tensile force to the vibrating diaphragm 2 can be increased, and the generation of gaps in the vibrating process can be effectively prevented; and the design of a large-amplitude scheme can be supported, and the acoustic performance is effectively improved. Meanwhile, two different materials with poor compatibility (adhesiveness) can be integrally formed without influencing the acoustic performance, such as PC, PAR, LCP, ABS, PP, PE, GF, PVC, POM, PET, PBT, GPPS, HIPS, SEBS, SBS, TPEE, TPU, TPAE, TPE, TPR, TPV, PEEK, silicone rubber, PEI, PEN, PES, PI, PPS, PPSU, PSU (PSF), acrylic adhesive and modified materials corresponding to the above materials, and any two materials can be matched.

As shown in fig. 1, 2, 3, 4, 5 and 9, a rear case 10 is connected to one side of the front case 1, the rear case 10 is a steel member, a support base 11 is disposed on an end portion of the front case 1, the support base 11 is perpendicular to a vibration direction of the diaphragm 2, and the support base 11 is used for supporting the rear case 10. The support base 11 is provided inside the end of the front case 1 and is provided in the circumferential direction. The end of the front casing 1 is further provided with a blocking wall 12, the blocking wall 12 is arranged along the vibration direction of the vibrating diaphragm 2, and the blocking wall 12 is arranged along the outer side of the support platform 11 for a circle. The supporting table 11 is provided with a sealing ring 13, the sealing ring 13 is provided with a circle along the upper surface of the supporting table 11, the sealing ring 13 is formed by secondary injection molding, and the sealing ring 13 is arranged on one side close to the rear shell 10. The size of the rear shell 10 is larger than that of the sealing ring 13 and smaller than that of the support platform 11. The retaining wall 12 is provided with a plurality of buckles 14, the buckles 14 are arranged along the inner circumference of the retaining wall 12, and the thickness of one side of the buckle 14 close to the support platform 11 is larger than that of the other side, so that the rear shell 10 can be conveniently put in. In this embodiment, the width of the buckle 14 is D, D is more than 0.1 mm and less than 0.5mm, and the length of the buckle 14 is L, L is more than 0.5mm and less than 3.0 mm. The width and the length of the buckle 14 are set according to actual conditions and are not limited by specific numerical values. The vertical distance H5 from the buckle 14 to the sealing ring 13 is smaller than the thickness of the rear shell 10, so that the sealing ring 13 is compressed after the rear shell 10 is installed, and the rear cavity is ensured to be in a sealing state.

During assembly, the rear shell 10 is only required to be pressed and buckled in the front shell 1 and fixed by the buckle 14, the sealing ring 13 seals the rear cavity and rebounds to compress the steel piece rear shell 10, and the rear shell 10 is prevented from shaking due to assembly clearance. The subsequent disassembly is facilitated and the original state of the product is restored, and the repair and retest verification after the reason of the disassembly analysis of the defective product are facilitated; and bad matters such as missing processes in the cavity can be repaired, and the reject ratio is reduced. The use of glue can be reduced, the generation of poor air leakage caused by overdue failure, missing coating and uneven coating of the glue is avoided, and the glue meeting the requirements cannot avoid containing overproof toxic and harmful substances due to the manufacturing requirement, so that the environment is protected.

Example 2: as shown in fig. 10, in this embodiment, the first protrusions 4 are uniformly distributed along the inner periphery of the connecting platform 3, and the second protrusions 6 are uniformly distributed along the outer periphery of the diaphragm 2. Connect and still be provided with first enhancement limit 8 on the platform 3, first enhancement limit 8 seals the setting, and first enhancement limit 8 couples together all first archs 4, and the one end of first arch 4 is connected with being connected platform 3, and the other end is connected with first enhancement limit 8. The first reinforcing edge 8 is arranged at one end of the first bulge 4, which is close to the connecting platform 3 and is connected with the front shell 1.

In this embodiment, the second reinforcing edge 9 is not provided, and the second protrusion 6 is fixed in the vibration direction only by the first reinforcing edge 8 and the first protrusion 4, so that the large-amplitude design of the diaphragm 2 is satisfied.

Other parts in this embodiment are the same as those in embodiment 1, and are not described in detail.

Example 3: as shown in fig. 11, in this embodiment, the periphery of the diaphragm 2 is provided with a second reinforcing edge 9, the connecting platform 3 is not provided with a first reinforcing edge 8, and the first protrusion 4 is fixed in the vibration direction by the second reinforcing edge 9 and the second protrusion 6, so as to satisfy the large-amplitude design of the diaphragm 2.

Other parts in this embodiment are the same as embodiment 1, and are not described again.

Example 4: as shown in fig. 12, in this embodiment, the first protrusions 4 are uniformly distributed along the inner periphery of the connecting platform 3, and the second protrusions 6 are uniformly distributed along the outer periphery of the diaphragm 2. Connect 3 inner peripheries of platform to be provided with first enhancement limit 8, vibrating diaphragm 2 periphery is provided with the second and strengthens limit 9, and first enhancement limit 8 and the equal disconnection setting in limit 9 are strengthened to the second, and first enhancement limit 8 and the crisscross setting in proper order of second enhancement limit 9. That is, in the present embodiment, the first reinforcing rim 8 and the second reinforcing rim 9 are provided with one circle in total, and the first reinforcing rim 8 and the second reinforcing rim 9 are staggered in sequence.

Example 5: in this embodiment, the first protrusions 4 are uniformly distributed along the inner periphery of the connecting table 3, and the second protrusions 6 are uniformly distributed along the outer periphery of the diaphragm 2. The inner periphery of the connecting table 3 is provided with a first reinforcing edge 8, and the outer periphery of the vibrating diaphragm 2 is provided with a second reinforcing edge 9. The first reinforcing edge 8 and the second reinforcing edge 9 are arranged in a broken mode, the first reinforcing edge 8 and the second reinforcing edge 9 are sequentially arranged in a staggered mode, and the first reinforcing edge 8 and the second reinforcing edge 9 are partially overlapped.

Example 6: in this embodiment, the first protrusions 4 are uniformly distributed along the inner periphery of the connecting platform 3, and the second protrusions 6 are uniformly distributed along the outer periphery of the diaphragm 2. The inner periphery of the connecting table 3 is provided with a first reinforcing edge 8, and the outer periphery of the vibrating diaphragm 2 is provided with a second reinforcing edge 9. The first reinforcing edge 8 is arranged in a closed manner for one circle, and the second reinforcing edge 9 is arranged in a broken manner.

Example 7: as shown in fig. 13 to 14, in this embodiment, the first protrusions 4 are provided with a plurality of groups along the inner circumference of the connecting table 3, at least two first protrusions 4 are provided in each group, and the second protrusions 6 are provided in one-to-one correspondence with the first protrusions 4. In this embodiment, four sets of the first protrusions 4 are provided on four sides of the rectangular connecting table 3, and correspondingly, four sets of the second protrusions 6 are provided. The number of the first protrusions 4 in each group is greater than one, and may be two, three, four, etc., and is set according to actual situations, and is not particularly limited.

In this embodiment, as shown in fig. 14, the first protrusions 4 are correspondingly provided with first reinforcing edges 8, the second protrusions 6 are correspondingly provided with second reinforcing edges 9, the first reinforcing edges 8 and the second reinforcing edges 9 are both in a broken manner, the number of groups of the first protrusions 4 is the same as the number of the first reinforcing edges 8, that is, each group of the first protrusions 4 is respectively and correspondingly provided with the first reinforcing edges 8. The number of the groups of the second protrusions 6 is the same as that of the second reinforcing edges 9, that is, each group of the second protrusions 6 is respectively provided with the second reinforcing edges 9 correspondingly.

Example 8: as shown in fig. 15, in the present embodiment, the first protrusions 4 are correspondingly provided with the first reinforcing edges 8, the second protrusions 6 are not correspondingly provided with the second reinforcing edges 9, and the number of groups of the first protrusions 4 is the same as the number of the first reinforcing edges 8.

The rest of this embodiment is the same as embodiment 7, and is not described in detail.

Example 9: in this embodiment, the second protrusions 6 are correspondingly provided with second reinforcing edges 9, the first protrusions 4 are not correspondingly provided with first reinforcing edges 8, and the number of the groups of the second protrusions 6 is the same as the number of the second reinforcing edges 9.

Other parts in this embodiment are the same as embodiment 7, and are not described again.

Example 10: in this embodiment, as shown in fig. 16, the first protrusions 4 are correspondingly provided with first reinforcing edges 8, the second protrusions 6 are correspondingly provided with second reinforcing edges 9, the number of the first reinforcing edges 8 is smaller than that of the groups of the first protrusions 4, and the number of the second reinforcing edges 9 is smaller than that of the groups of the second protrusions 6. In this embodiment, four sets of the first protrusions 4 and the second protrusions 6 are provided, two sets of the first reinforcing edges 8 are provided, two sets of the second reinforcing edges 9 are provided, the two sets of the first reinforcing edges 8 correspond to the two sets of the first protrusions 4, and the two sets of the second reinforcing edges 9 correspond to the other two sets of the second protrusions 6. It is also possible to provide one first 8 and three second 9 reinforcing rims or three first 8 and one second 9 reinforcing rim.

In this embodiment, the first reinforcing edges 8 and the second reinforcing edges 9 are sequentially arranged in a staggered manner along the circumferential direction of the diaphragm 2, or the two first reinforcing edges 8 may be arranged adjacently.

Example 11: in this embodiment, the first protrusions 4 are correspondingly provided with first reinforcing edges 8, the second protrusions 6 are correspondingly provided with second reinforcing edges 9, the number of the first reinforcing edges 8 is greater than the number of the groups of the first protrusions 4, and the number of the second reinforcing edges 9 is greater than the number of the groups of the second protrusions 6. At least one group of first bulges 4 is correspondingly provided with a plurality of first reinforcing edges 8, and at least one group of second bulges 6 is correspondingly provided with a plurality of second reinforcing edges 9. In this embodiment, the first protrusions 4 and the second protrusions 6 on the two long sides of the rectangular connecting table 3 are provided with two first reinforcing edges 8 and two second reinforcing edges 9 correspondingly on each side, and the first reinforcing edges 8 and the second reinforcing edges 9 are sequentially arranged in a staggered manner. In the first protrusions 4 and the second protrusions 6 located on the two short sides of the rectangular connecting table 3, each side may be provided with two first reinforcing sides 8 and two second reinforcing sides 9, or may be provided in one-to-one correspondence.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A loudspeaker, characterized by: including preceding shell, be provided with the connection platform of connecting the vibrating diaphragm in the preceding shell, preceding shell and vibrating diaphragm setting of moulding plastics as an organic whole, it is provided with a plurality of first archs to connect the platform along interior week, first protruding inboard protrusion setting of orientation, the vibrating diaphragm is provided with a plurality of second archs along the periphery, the protruding outside protrusion setting of orientation of second, first protruding and the protruding mutual staggered connection of second, the one side of connecting the platform is provided with the first enhancement limit of connecting a plurality of adjacent first archs and/or strengthens the limit with the protruding second of connecting a plurality of adjacent second.

2. A loudspeaker according to claim 1, wherein: first arch is along connecting platform inner periphery equipartition, the protruding diaphragm periphery equipartition of following of second.

3. A loudspeaker according to claim 2, wherein: the first reinforcing edge is arranged in a closed mode and/or the second reinforcing edge is arranged in a closed mode.

4. A loudspeaker according to claim 2, wherein: the first reinforcing edge is arranged in a disconnected mode, and the second reinforcing edge is arranged in a disconnected mode.

5. A loudspeaker according to claim 4, wherein: the first reinforcing edges and the second reinforcing edges are sequentially staggered or overlapped.

6. A loudspeaker according to claim 1, wherein: the first bulges are provided with a plurality of groups along the inner periphery of the connecting platform, each group of the first bulges is at least provided with two, and the second bulges are in one-to-one correspondence with the first bulges.

7. A loudspeaker according to claim 6, wherein: the first bulges and the second bulges in the same group are correspondingly provided with first reinforcing edges and/or second reinforcing edges.

8. A loudspeaker according to claim 7, wherein: the number of the first reinforcing edges and/or the second reinforcing edges is larger than, equal to or smaller than the number of the corresponding groups of the first bulges and the second bulges.

9. A loudspeaker according to claim 1, wherein: a first groove is formed between every two adjacent first bulges, a second groove is formed between every two adjacent second bulges, the first bulges are located in the second grooves, the second bulges are located in the first grooves, the depth of each first groove is H1, the width of the side, corresponding to the first grooves, of the connecting table is H2, H1 is more than or equal to 0.5 H2, the depth of each second groove is H3, the width of the side, corresponding to the second grooves, of the vibrating diaphragm is H4, and H3 is more than or equal to 0.5 H4.

10. A loudspeaker according to claim 9, wherein: one side of preceding shell is connected with the backshell, preceding shell passes through the buckle with the backshell and is connected, the tip of preceding shell is provided with the brace table of being connected with the backshell, the buckle sets up on the inner wall of preceding shell tip, one side that the brace table is close to the backshell is provided with the sealing washer.