CN209017309U - Sounding device - Google Patents

Sounding device Download PDF

Info

Publication number
CN209017309U
CN209017309U CN201822059949.5U CN201822059949U CN209017309U CN 209017309 U CN209017309 U CN 209017309U CN 201822059949 U CN201822059949 U CN 201822059949U CN 209017309 U CN209017309 U CN 209017309U
Authority
CN
China
Prior art keywords
convex edge
annular body
fixed
fixed part
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201822059949.5U
Other languages
Chinese (zh)
Inventor
郭晓冬
孙雅静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201822059949.5U priority Critical patent/CN209017309U/en
Application granted granted Critical
Publication of CN209017309U publication Critical patent/CN209017309U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

The utility model discloses a kind of sounding device, and the sounding device includes: shell;Becket is fixed on one end of the shell, and the becket includes annular body and convex edge, and along the circumferentially extending of the shell, the convex edge is connect the annular body with the annular body, and is extended along the periphery of the annular body;And vibrating diaphragm, including central part, around the ring portion of central part setting and around the edge part of ring portion setting, the edge part includes the first fixed part and the second fixed part, first fixed part is arranged around the ring portion, and it is fixed on the surface away from the shell of the annular body, second fixed part connects the outer rim of first fixed part, and is fixed on the side of the convex edge.Technical solutions of the utility model avoid impacting vibration vibration of membrane while guaranteeing vibrating diaphragm and becket stable adhesion.

Description

Sounding device
Technical field
The utility model relates to sound energy switch technology field, in particular to a kind of sounding devices.
Background technique
It in sounding device, since vibrating diaphragm is softer, is easily deformed, therefore is the installation convenient for vibrating diaphragm, it will usually add a steel Vibrating diaphragm is first bonded in steel loop by ring, so that the surrounding of vibrating diaphragm is fixed, then steel loop and shell are fixed again.Generally, Bond area needs between steel loop and vibrating diaphragm are larger, can guarantee that bonding is firm between vibrating diaphragm and steel loop, but excessive It is larger that bond area means that the width of steel loop needs, and the peripheral dimension of steel loop is usually the monnolithic case according to sounding device And fixed, therefore can only increase the bond area of steel loop by reducing the inner circumferential size of steel loop, so lead to steel loop Inner peripheral surface causes effective vibration area of vibrating diaphragm to reduce closer to the ring portion of vibrating diaphragm, and then influences audio.
Utility model content
The main purpose of the utility model is to propose a kind of sounding device, it is intended to guarantee vibrating diaphragm and becket stable adhesion Meanwhile it avoiding impacting vibration vibration of membrane.
To achieve the above object, the utility model proposes sounding device, comprising:
Shell;
Becket, is fixed on one end of the shell, and the becket includes annular body and convex edge, the annular body Along the circumferentially extending of the shell, the convex edge is connect with the annular body, and is extended along the periphery of the annular body;With And
Vibrating diaphragm, including central part, around the ring portion of central part setting and around the side of ring portion setting Edge, the edge part include the first fixed part and the second fixed part, and first fixed part is arranged around the ring portion, and It is fixed on the surface away from the shell of the annular body, second fixed part connects the outer of first fixed part Edge, and it is fixed on the side of the convex edge.
Optionally, setting is protruded towards the direction close to the shell in the convex edge, and second fixed part is fixed on described The lateral surface of convex edge.
Optionally, the shell towards resigning breach is equipped between the surface and outer peripheral surface of the vibrating diaphragm, stretch by the convex edge Enter the resigning breach.
Optionally, setting is protruded towards the direction far from shell in the convex edge, and second fixed part is fixed on the convex edge Medial surface.
Optionally, the annular body is equipped with two convex edges, and two convex edges are divided into the two of the annular body Opposite side;The edge part includes two second fixed parts, and two second fixed parts are set to first fixed part Two opposite sides.
Optionally, the medial surface of the convex edge is concordant with the inner peripheral surface of the annular body, and/or, outside the convex edge Side is concordant with the outer peripheral surface of the annular body.
Optionally, the convex edge and second fixed part are annular in shape.
Optionally, first fixed part and second fixed part are Nian Jie with the becket respectively.
Optionally, the width of the annular body is greater than or equal to 0.2mm;And/or the height of the convex edge is greater than or waits In 0.15mm.
In the utility model, due to adding additional convex edge so that the second fixed part of vibrating diaphragm can with the side of convex edge into Row is fixed, on becket for the fixed stationary plane of vibrating diaphragm from the end face of original annular body, become side and the ring of convex edge The end face of shape ontology since the increase of convex edge provides a part of stationary plane for the fixation of vibrating diaphragm, therefore can guarantee vibrating diaphragm and gold While category ring realization is reliably fixed, reduces the width of annular body, the inner circumferential size of annular body can be increased, so that cyclic annular The more outer setting for ring portion of the inner peripheral surface of ontology can so increase effective vibration area of vibrating diaphragm, so that hair The audio of acoustic device is improved.Or the height of convex edge can also be increased, so that the stationary plane between convex edge and vibrating diaphragm is bigger, from And improve the connective stability between vibrating diaphragm and becket.Furthermore the setting of convex edge, which can be played, reinforces metal ring structure intensity Effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model sounding device;
Fig. 2 is the floor map of sounding device in Fig. 1;
Fig. 3 is the cut-away illustration in Fig. 2 at A-A;
Fig. 4 is the enlarged drawing in Fig. 3 at B;
Fig. 5 is the assembling schematic diagram of vibrating diaphragm and becket in Fig. 1;
Fig. 6 is the structural schematic diagram of vibrating diaphragm in Fig. 5;
Fig. 7 is the structural schematic diagram of becket in Fig. 5;
Fig. 8 is the structural schematic diagram of shell in Fig. 1;
Fig. 9 is the cut-away illustration of another embodiment of the utility model sounding device;
Figure 10 is the enlarged drawing in Fig. 9 at C;
Figure 11 is the assembling schematic diagram of vibrating diaphragm and becket in Fig. 9;
Figure 12 is the flow diagram of one embodiment of processing method of the utility model vibrating diaphragm component;
Figure 13 is the flow diagram of another embodiment of processing method of the utility model vibrating diaphragm component.
Drawing reference numeral explanation:
Label Title Label Title
10 Shell 22 Ring portion
11 Resigning breach 23 Central part
20 Vibrating diaphragm 30 Becket
21 Edge part 31 Annular body
211 First fixed part 32 Convex edge
212 Second fixed part
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.In addition, the meaning of the "and/or" occurred in full text is, including three schemes arranged side by side, by " A and/or B for ", The scheme met simultaneously including A scheme or B scheme or A and B.In addition, the technical solution between each embodiment can be mutual In conjunction with, but must be based on can be realized by those of ordinary skill in the art, when mutual lance occurs in the combination of technical solution Shield or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection scope of the requires of the utility model Within.
The utility model proposes a kind of sounding device, which can be loudspeaker monomer, loudspeaker mould group or end Hold electronic equipment, such as earphone, mobile phone or plate etc..
In the utility model embodiment, please refer to figs. 1 to 4, which includes shell 10, vibrational system and magnetic Road system etc., shell 10 is for accommodating fixed vibrational system and magnetic circuit system.Wherein, vibrational system includes vibrating diaphragm 20, vibrating diaphragm 20 Including central part 23, around central part 23 be arranged ring portion 22 and around ring portion 22 be arranged edge part 21, in addition, vibration Film 20 can also include the composite layer for being incorporated into central part 23.In addition, sounding device may also include front cover (not shown go out), front cover It is incorporated into the top of shell 10, front cover and shell 10 enclose protect-ing frame structure.Certainly, in some cases, sounding device can also It does not include front cover.
Referring to Figure 6, the edge part 21 of vibrating diaphragm 20 includes the first fixed part 211 interconnected in the present embodiment With the second fixed part 212, the first fixed part 211 is arranged around ring portion 22, and connect with ring portion 22, the second fixed part 212 It is connected to the outer rim of the first fixed part 211, and is bent for opposite first fixed part 211 of the second fixed part 212 towards side, such as Side where second fixed part 212 towards ring portion 22 is bent, alternatively, direction of second fixed part 212 towards separate ring portion 22 Bending.
Referring to Figure 7, further, sounding device further includes becket 30, becket 30 is fixed on shell 10 One end (end refers to the open end of shell 10, and open end is arranged close to vibrating diaphragm 20), becket 30 includes annular body 31 With convex edge 32, along the circumferentially extending of shell 10, convex edge 32 connect annular body 31 with annular body 31, and along annular body 31 Periphery extends.First fixed part 211 is fixed on the surface away from shell 10 of annular body 31, and the second fixed part 212 is fixed on The side of convex edge 32.In the present embodiment, annular body 31 substantially can be in the cyclic annular setting in side, but is not limited to Fang Huan herein, also It can be annulus or other shapes of ring etc., be configured with specific reference to the shape of sounding device.Optionally, becket 30 is steel Other materials can also be used in ring.Optionally, the first fixed part 211 and the second fixed part 212 are viscous with becket 30 respectively It connects.Certainly, the first fixed part 211 and the second fixed part 212 can also be welded and fixed with becket 30 respectively.
In the utility model, if vibrating diaphragm 20 is directly be bonded with shell 10, due to the ring portion 22 of vibrating diaphragm 20 and edge part 21 be membrane structure, and intensity is low, and central part 23 and ring portion 22 cannot be supported by being only placed on shell 10 by edge part 21 Weight, then when jelly does not solidify, since the weight in central part 23 and ring portion 22 is easy to cause pullling for edge part 21 Pullled deformation in edge part 21.And in the utility model, it, can be first by vibrating diaphragm 20 and becket by the way that a becket 30 is additionally arranged 30 are fixed, and can be supported by other support constructions to vibrating diaphragm 20 in fixation procedure, to avoid central part 23 and the weight in ring portion 22 edge part 21 is caused to pull, parched to jelly and then form vibrating diaphragm 20 and becket 30 Vibrating diaphragm component be fixed on shell 10, so avoidable vibrating diaphragm 20 deform caused by bonding it is unstable.Simultaneously as additional Convex edge 32 is increased, so that the second fixed part 212 of vibrating diaphragm 20 can be fixed with the side of convex edge 32, for vibration on becket 30 The fixed stationary plane of film 20 is from the end of the end face of original annular body 31, the side for becoming convex edge 32 and annular body 31 Face since the increase of convex edge 32 provides a part of stationary plane for the fixation of vibrating diaphragm 20, therefore can guarantee vibrating diaphragm 20 and becket 30 realize that the width of reduction annular body 31 can increase the inner circumferential size of annular body 31, so that ring while being reliably fixed The more outer setting for ring portion 22 of the inner peripheral surface of shape ontology 31 can so increase effective vibration plane of vibrating diaphragm 20 Product, so that the audio of sounding device is improved.Or the height of convex edge 32 can also be increased, so that between convex edge 32 and vibrating diaphragm 20 Stationary plane it is bigger, to improve the connective stability between vibrating diaphragm 20 and becket 30.Furthermore the setting of convex edge 32 can rise To the effect for reinforcing 30 structural strength of becket.
Fig. 1 to Fig. 8 is please referred to, in one embodiment, setting, i.e. convex edge 32 are protruded towards the direction close to shell 10 in convex edge 32 Set on the surface towards shell 10 of annular body 31, the second fixed part 212 is fixed on the lateral surface of convex edge 32.The embodiment In, annular body 31 is abutted with the upper surface of shell 10, and convex edge 32 is located at the outer peripheral surface of shell 10, is equivalent to and is fallen becket 30 It is buckled on shell 10, convex edge 32 abuts with the outer peripheral surface of shell 10 and plays positioning action, prevents becket 30 on shell 10 Translation.Optionally, the upper surface (i.e. shell 10 towards the surface of vibrating diaphragm 20) of shell 10 and the junction of outer peripheral surface are equipped with and step down Resigning breach 11 is protruded into notch 11, convex edge 32, and the lateral surface of the second fixed part 212 is chosen as concordant with the outer peripheral surface of shell 10. The setting of resigning breach 11 can be avoided vibrating diaphragm 20 and becket 30 and be arranged beyond the outer peripheral surface of shell 10, furthermore can also incite somebody to action In the height of convex edge 32 is housed in, and the setting of convex edge 32 is avoided to influence the increase of sounding device whole height.Optionally, Two fixed parts 212 are concordant with the bottom surface of convex edge 32, can so guarantee that the second fixed part 212 makes full use of the lateral surface of convex edge 32 And it realizes effectively fixed.
Incorporated by reference to reference Fig. 9 to Figure 11, in one embodiment, setting is protruded towards the direction far from shell 10 in convex edge 32, i.e., Convex edge 32 is set to the surface away from shell 10 of annular body 31, and the second fixed part 212 is fixed on the medial surface of convex edge 32.The reality It applies in example, the entire lower surface of annular body 31 is abutted with the upper surface of shell 10, so that contact surface between the two Product is bigger, is conducive to preferably fixed between the two.Optionally, the second fixed part 212 is concordant with the upper surface of convex edge 32, such energy Enough guarantee that the second fixed part 212 makes full use of the medial surface of convex edge 32 and realizes effective fixation.
It please recombine with reference to Fig. 5 to Fig. 7, in one embodiment, annular body 31 is equipped with two convex edges 32, two convex edges 32 It is divided into the two opposite sides of annular body 31;Correspondingly, edge part 21 includes two second fixed parts 212, two second fixed parts 212 are divided into the two opposite sides of the first fixed part 211, and two second fixed parts 212 connect one to one with two convex edges 32.This implementation In example, by the way that two convex edges 32 to be divided into the two opposite sides of annular body 31, two convex edges 32 are identical to the active force of vibrating diaphragm 20 , so that vibrating diaphragm 20 can be fixed symmetrically, therefore it is more uniformly stressed, stability is more preferable.Optionally, the medial surface of convex edge 32 with The inner peripheral surface of annular body 31 is concordant, and/or, the lateral surface of convex edge 32 is concordant with the outer peripheral surface of annular body 31.Implement one In example, the medial surface of convex edge 32 is concordant with the inner peripheral surface of annular body 31, and the lateral surface of convex edge 32 and annular body 31 outside Circumferential surface is concordant, is equivalent to the of same size of the width of convex edge 32 and annular body 31, thus can be avoided convex edge 32 beyond it is cyclic annular this The inner peripheral surface of body 31 and the vibration area for occupying vibrating diaphragm 20, while also can be avoided the outer peripheral surface that convex edge 32 exceeds annular body 31 And cause sounding device peripheral dimension excessive.In addition, in the embodiment being arranged in convex edge 32 towards the direction protrusion far from shell 10, First fixed part 211 be adhesively fixed with the position of the not set convex edge 32 of annular body 31, and be equipped with convex edge 32 position It sets, due to the blocking to annular body 31 of convex edge 32, then the first fixed part 211 is emerging in the inner hole of annular body 31. In addition, in one embodiment, the medial surface of convex edge 32 is concordant with the inner peripheral surface of annular body 31, alternatively, the lateral surface of convex edge 32 It is concordant with the outer peripheral surface of annular body 31.Furthermore in other embodiments, convex edge 32 and the second fixed part 212 are annular in shape, such as This makes any position circumferentially of vibrating diaphragm 20 can be fixed with convex edge 32, substantially increases the fixed stability of the two.
Optionally, the width of annular body 31 is greater than or equal to 0.2mm;And/or the height of convex edge 32 is greater than or equal to 0.15mm.For example, the width of annular body 31 is 0.2mm or 0.3mm etc., the height of convex edge 32 is 0.15mm or 0.2mm etc..It is false It is located at before not set convex edge 32, the width of becket 30 is 0.35mm, i.e. the width of the rubber fabric of vibrating diaphragm 20 corresponds to 0.35mm;And after convex edge 32 is set, the width of annular body 31 can be reduced to 0.2mm, and the height of convex edge 32 is The width of 0.15mm, the rubber fabric on vibrating diaphragm 20 are constant, remain as 0.35mm, are so guaranteeing consolidating for vibrating diaphragm 20 and becket 30 Determine area it is constant in the case where, can reduce the width of becket 30, increase effective vibration area of vibrating diaphragm 20.In addition, setting After setting convex edge 32, the height of convex edge 32 is settable greatlyyer, and the width of the rubber fabric on vibrating diaphragm 20 increases accordingly, so as to mention The effective width of high 20 rubber fabric of vibrating diaphragm increases the stability of product connection.
Incorporated by reference to reference Figure 12, the processing method that the utility model also proposes a kind of vibrating diaphragm component for sounding device, The processing method includes:
The edge of sheet metal annular in shape is integrally bent to form convex edge by step S10;
Vibrating diaphragm is fixed on sheet metal by step S20, and the edge part of vibrating diaphragm extends to form second along the side bending of convex edge Fixed part, and the second fixed part is fixed on the side of convex edge;
Wherein, the sheet metal after the bending constitutes becket 30, and becket 30 includes annular body 31 and convex edge 32, vibration Film 20 and annular body 31 are fixed.
In the embodiment, first circlewise by sheet metal processing, i.e., through-hole is processed in the middle part of sheet metal, it then again will be golden Belong to the edge bending of piece, which constitutes the convex edge 32 of becket 30, which then constitutes metal The annular body 31 of ring 30.After the molding of becket 30, then vibrating diaphragm 20 carried out with becket 30 be bonded.
Incorporated by reference to reference Figure 13, the processing method that the utility model also proposes a kind of vibrating diaphragm component for sounding device, Processing method includes:
Vibrating diaphragm and sheet metal fixation annular in shape are formed vibrating diaphragm component by step S30;
The edge of vibrating diaphragm component is bent and forms bending part by step S40;
Wherein, the vibrating diaphragm 20 on the bending part constitutes the second fixed part 212, and the sheet metal on the bending part constitutes convex edge 32, and the sheet metal after the bending constitutes becket 30.
In the embodiment, first sheet metal is processed annularly, i.e., processes through-hole in the middle part of sheet metal, it then again will vibration Film 20 is adhesively fixed with sheet metal, finally again by the two while bending forming.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Under the inventive concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (9)

1. a kind of sounding device characterized by comprising
Shell;
Becket is fixed on one end of the shell, and the becket includes annular body and convex edge, and the annular body is along institute The circumferentially extending of shell is stated, the convex edge is connect with the annular body, and is extended along the periphery of the annular body;And
Vibrating diaphragm, including central part, around the central part setting ring portion and around the ring portion setting edge part, The edge part includes the first fixed part and the second fixed part, and first fixed part is arranged around the ring portion, and fixed In the surface away from the shell of the annular body, second fixed part connects the outer rim of first fixed part, and It is fixed on the side of the convex edge.
2. sounding device as described in claim 1, which is characterized in that the convex edge is set towards close to the direction of shell protrusion It sets, second fixed part is fixed on the lateral surface of the convex edge.
3. sounding device as claimed in claim 2, which is characterized in that surface and outer peripheral surface of the shell towards the vibrating diaphragm Between be equipped with resigning breach, the resigning breach is protruded into the convex edge.
4. sounding device as described in claim 1, which is characterized in that setting is protruded towards the direction far from shell in the convex edge, Second fixed part is fixed on the medial surface of the convex edge.
5. sounding device as described in claim 1, which is characterized in that the annular body is equipped with two convex edges, two institutes State the two opposite sides that convex edge is divided into the annular body;The edge part include two second fixed parts, two described second Fixed part is set to the two opposite sides of first fixed part.
6. sounding device as claimed in claim 5, which is characterized in that the medial surface of the convex edge is interior with the annular body Circumferential surface is concordant, and/or, the lateral surface of the convex edge is concordant with the outer peripheral surface of the annular body.
7. sounding device as described in claim 1, which is characterized in that the convex edge and second fixed part are annular in shape.
8. sounding device as described in claim 1, which is characterized in that first fixed part and second fixed part are divided equally It is not Nian Jie with the becket.
9. sounding device as claimed in any of claims 1 to 8 in one of claims, which is characterized in that the width of the annular body is big In or equal to 0.2mm;And/or the height of the convex edge is greater than or equal to 0.15mm.
CN201822059949.5U 2018-12-07 2018-12-07 Sounding device Active CN209017309U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822059949.5U CN209017309U (en) 2018-12-07 2018-12-07 Sounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822059949.5U CN209017309U (en) 2018-12-07 2018-12-07 Sounding device

Publications (1)

Publication Number Publication Date
CN209017309U true CN209017309U (en) 2019-06-21

Family

ID=66843670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822059949.5U Active CN209017309U (en) 2018-12-07 2018-12-07 Sounding device

Country Status (1)

Country Link
CN (1) CN209017309U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109511079A (en) * 2018-12-07 2019-03-22 歌尔股份有限公司 Sounding device, for sounding device vibrating diaphragm component processing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109511079A (en) * 2018-12-07 2019-03-22 歌尔股份有限公司 Sounding device, for sounding device vibrating diaphragm component processing method

Similar Documents

Publication Publication Date Title
CN109511079A (en) Sounding device, for sounding device vibrating diaphragm component processing method
WO2022000917A1 (en) Sound device and electronic device
US20200196062A1 (en) Loudspeaker
US20110317868A1 (en) Electroacoustic transducer
US11206489B2 (en) Diaphragm for producing sound and speaker using same
US20180063637A1 (en) Side Diaphragm with a Waterproof Function and Microspeaker Having the Same
US11317215B2 (en) Loudspeaker diaphragm and molding method therefor
CN109413562A (en) Processing method, front cover and the sounding device of front cover
US10659882B2 (en) Diaphragm for producing sound and speaker using same
CN209017309U (en) Sounding device
CN110248296A (en) Sounding device
US10827278B2 (en) Speaker
US20200154210A1 (en) Electroacoustic Sound Generator
US20130287244A1 (en) Loudspeaker with reinforced frame
JP2006254038A (en) Method of manufacturing speaker
CN110248295B (en) Sound production device and electronic equipment
CN206100435U (en) Speaker module casing, speaker module and sound generating mechanism
CN205510396U (en) Vibrating diaphragm and voice coil loudspeaker voice coil subassembly
CN112492464B (en) Speaker and electronic apparatus
CN211531313U (en) Loudspeaker
CN212812015U (en) Sound production device
CN204859547U (en) Loudspeaker
US20200059730A1 (en) Speaker
US20200154208A1 (en) Sound Generator
CN215647325U (en) Miniature loudspeaker

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant