CN208638656U - Loudspeaker mould group - Google Patents
Loudspeaker mould group Download PDFInfo
- Publication number
- CN208638656U CN208638656U CN201821262007.0U CN201821262007U CN208638656U CN 208638656 U CN208638656 U CN 208638656U CN 201821262007 U CN201821262007 U CN 201821262007U CN 208638656 U CN208638656 U CN 208638656U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- mould group
- loudspeaker mould
- supporting plate
- elastic supporting
- 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.)
- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The loudspeaker mould group of the utility model includes having the frame of accommodation space, the magnetic circuit system and vibrational system being contained in the frame, the vibrational system includes vibrating diaphragm, it drives the voice coil of the diaphragm oscillations and the elastic supporting plate that the voice coil bottom supports the voice coil is set, the voice coil includes close to the upper surface of the vibrating diaphragm, and the lower surface that with the elastic supporting plate is mutually sticked opposite with the upper surface and the side for connecting the upper surface and the lower surface, the contact site of the elastic supporting plate and the voice coil is provided with sealing block, the side of the sealing block and the voice coil fits.The loudspeaker mould group of the utility model improves the unfailing performance of product it is possible to prevente effectively from the problem of voice coil waves or breaks and influence properties of product, increases the stability of vibrational system.
Description
Technical field
The utility model relates to electroacoustic conversion art more particularly to a kind of loudspeaker mould groups.
Background technique
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function and its multiplicity of mobile phone, one of them is just
It is the music function of high-quality, and the loudspeaker in mobile phone is one of the necessary condition for realizing this high-quality music function.
The magnetic circuit of loudspeaker mould group generally includes frame, is housed in frame vibrational system and driving vibrational system vibration
System, vibrational system generally includes vibrating diaphragm and drives the voice coil of diaphragm oscillations, but the loudspeaker mould group of this structure usually has
The risk for thering is voice coil to swing and break.
Therefore, it is really necessary to provide the new loudspeaker mould group of one kind to solve the above problems.
Utility model content
The utility model in order to solve the above technical problems, and a kind of loudspeaker mould group is provided, can effectively solve existing
The problem of technology voice coil waves and breaks improves the unfailing performance of product.
Concrete scheme is to provide a kind of loudspeaker mould group comprising has the frame of accommodation space, is contained in the frame
Interior magnetic circuit system and vibrational system, the vibrational system include vibrating diaphragm, the voice coil of the driving diaphragm oscillations and setting in institute
State the elastic supporting plate that voice coil bottom supports the voice coil, the voice coil include close to the vibrating diaphragm upper surface, with it is described on
Surface is opposite and the lower surface being mutually sticked with the elastic supporting plate and the side for connecting the upper surface and the lower surface, institute
The contact site for stating elastic supporting plate and the voice coil is provided with sealing block, and the side of the sealing block and the voice coil is affixed
It closes.
Preferably, the side includes inner surface and outer surface on the other side, the inner surface and the outer surface
It is provided with sealing block, the sealing block sandwiched positions the voice coil.
Preferably, the sealing block shares two groups, and the two sides of the voice coil are arranged in along axial symmetry respectively.
Preferably, the elastic supporting plate is flexible circuit board.
Preferably, the elastic supporting plate includes the first fixed part being connected with the frame, is connected with the voice coil
The second fixed part and connection first fixed part and second fixed part elastic joint part, the sealing block, which is arranged, to exist
On second fixed part.
Preferably, the elastic supporting plate respectively has two groups, is separately positioned on the two sides of the voice coil.
Preferably, elastic supporting plate described in every group has altogether there are two first fixed part, extends respectively into the voice coil
Both ends and be fixedly connected with the frame.
Preferably, the magnetic circuit system includes magnetic bowl and is housed in magnet steel in the magnetic bowl, the magnetic bowl include bottom plate and
From the side plate of bottom plate bending extension, the first resigning breach for avoiding second fixed part, institute are provided on the side plate
It states magnet steel and corresponds to and be provided with the second resigning breach at first resigning breach.
Preferably, the bottom plate is corresponded to be provided at first resigning breach to what is be recessed far from the vibrating diaphragm direction and be kept away
Allow slot.
Preferably, the magnetic circuit system further includes the pole piece being sticked on the magnetic bowl, is provided with correspondence on the pole piece
The third resigning breach of second resigning breach.
Preferably, the frame includes bottom wall and the side wall from bottom wall bending extension, and the vibrating diaphragm is attached to described
On side wall, the mounting portion to the vibrating diaphragm direction protrusion is provided on the bottom wall, first fixed part is arranged in the peace
In dress portion.
The loudspeaker mould group of the utility model includes the frame with accommodation space, the magnetic circuit system being contained in the frame
System and vibrational system, the vibrational system include vibrating diaphragm, the voice coil of the driving diaphragm oscillations and setting in the voice coil bottom
Support the elastic supporting plate of the voice coil, the voice coil include close to the vibrating diaphragm upper surface, it is opposite with the upper surface simultaneously
The lower surface that is mutually sticked with the elastic supporting plate and the side for connecting the upper surface and the lower surface, the resilient support
The contact site of plate and the voice coil is provided with sealing block, and the side of the sealing block and the voice coil fits.This is practical new
The loudspeaker mould group of type is it is possible to prevente effectively from the problem of voice coil waves or breaks and influence properties of product, increases vibrational system
Stability improves the unfailing performance of product.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model loudspeaker mould group
Fig. 2 is the decomposition texture schematic diagram of the utility model loudspeaker mould group；
Combination diagram of the Fig. 3 between the utility model loudspeaker mould group voice coil and elastic supporting plate；
Fig. 4 is cross-sectional view of the utility model loudspeaker mould group along line A-A described in Fig. 1.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As depicted in figs. 1 and 2, the utility model provides a kind of loudspeaker mould group 100, including vibrational system 1, magnetic circuit system
System 2, the frame 3 for accommodating fixed vibrational system 1 and magnetic circuit system 2.
Vibrational system 1 includes vibrating diaphragm 11 and the voice coil 12 for driving the vibration of vibrating diaphragm 11.Voice coil 12 is entwined by voice coil leads
's.Vibrating diaphragm 11 includes top dome 112 and the cricoid ring 111 around top dome 112.Voice coil 12 is cyclic structure, including close to vibration
The upper surface 121 of film 11, lower surface 122 corresponding with upper surface 121 and the side for connecting upper surface 121 and lower surface 122,
Middle side includes the inner surface 123 being oppositely arranged and outer surface 124.
Specifically in the present embodiment, top dome 112 and ring 111 are separate structure, and top dome 112 is sticked in ring 111
Top, the upper surface 121 of voice coil 12 are connected to the bottom of ring 111.Certainly, in selectable other embodiments, top dome
112 also can be set in the bottom of ring 111, top dome 112 and ring 111 or integral structure, can be implemented.
Further, in the present embodiment, vibrational system 1 further includes that the elasticity of 12 bottom of voice coil support voice coil is arranged in
Support plate 4.Elastic supporting plate 4 is flexible circuit board FPC (Flexible Printed Circuit), the lower surface 122 of voice coil
It is arranged on elastic supporting plate 4, elastic supporting plate 4 both plays the role of supporting voice coil 12, while playing and realizing voice coil 12 electrically
The effect of connection.
Specifically in the present embodiment, elastic supporting plate shares two groups, is separately positioned on the two sides of voice coil, every group of elasticity branch
Fagging respectively includes and frame the first fixed part 131 being connected, the second fixed part 132 for being connected with voice coil 12 and connect first
The elastic joint part 133 of fixed part 131 and the second fixed part 132.Respectively there are two the first fixed parts for every group of elastic supporting plate 13
131, it extends respectively into the both ends of the voice coil and is fixedly connected with frame 3.That is, prolonging respectively there are four the first fixed part 131 is total
The four corners of voice coil 12 are reached, the second fixed part 132 is separately positioned on the two sides of voice coil 12, in this way, can make there are two being total to
The vibration of voice coil 12 is more stable.Keep the arm of force of elastic joint part 133 identical, and avoids the gravity center instability of voice coil and generate partially
Vibration.
It is connected by glue between voice coil 12 and elastic supporting plate 13, meanwhile, the contact of elastic supporting plate 13 and voice coil 12
Position is additionally provided with sealing block 1321, specifically, corresponding to the inner surface 123 and appearance of voice coil 12 on each second fixed part 132
Sealing block 1321 is provided at face 123, i.e. two sealing blocks position voice coil 12 from two sides sandwiched.Such structure can increase
The glue area of product improves the stability of product.Certainly, sealing block is only set on inner surface or outer surface, and can be with
Implement.
Frame 3 includes bottom wall 31 and the side wall 32 from bottom wall bending extension.Vibrating diaphragm 1 is fixed on the side wall of frame 3,
Specifically, being fixed on side wall for ring 111 far from the edge of 112 side of top dome.In the present embodiment, bottom wall 31 is ring-type
Metal structure, pass through integrated injection molding and side wall 32 form integral structure.Bottom wall 31 is provided with to the vibrating diaphragm direction
The mounting portion 311 of protrusion, the first fixed part 131 are separately positioned on the mounting portion 311.It is corresponding with the first fixed part 131, installation
There are four portion is total, it is separately positioned on the four corners of bottom wall.
Magnetic circuit system 2 includes magnet steel 21, the pole piece 22 being sticked on magnet steel 21 and the magnetic for accommodating magnet steel 21 and pole piece 22
Bowl 23.Magnet steel 21 is rectangle permanent magnet, the center of magnetic bowl 23 is arranged in, pole piece 22 is made of permeability magnetic material, is attached to magnet steel 21
Surface converge magnetic field for playing the role of magnetic conduction, improve the magnetic induction performance of product.Specifically, magnetic bowl 23 includes bottom plate
231 and from bottom plate 231 bending extend side plate 232.Magnetic gap is formed between magnet steel 21 and the side plate 232 of magnetic bowl 23.Voice coil 12
It is inserted into the gap between magnet steel 21 and side plate 232, during the energization the stress in magnetic gap, drives vibrating diaphragm 11 along vertical side
To vibration.
In the present embodiment, the elastic joint part 133 of elastic supporting plate 13 is arranged around magnetic bowl 23, the second fixed part
132 extend to inside magnetic bowl and flexibly support voice coil 12.Specifically, it is fixed to be provided with evacuation second on the side plate 232 of magnetic bowl 23
First resigning breach 2320 in portion 132.As shown in Figure 3 and Figure 4, corresponding, it is provided on magnet steel 21 and the first resigning breach
2320 corresponding second resigning breach 210 are provided with third resigning breach corresponding with the second resigning breach 210 on pole piece 22
220.As shown in figure 3, voice coil 12 and the second fixed part 132 and sealing block 1321 are arranged at the first resigning breach 2320,
In the avoiding space formed between two resigning breach 210 and third resigning breach 220.Further, bottom plate 231 corresponding described the
It is provided at one resigning breach 2320 to the escape groove 2310 being recessed far from 11 vibrating diaphragm directions.
Further, the stage portion 312 for being used to support magnetic circuit system 2 is additionally provided on the bottom wall 31 of frame 3, it is corresponding,
Clinch 2321 corresponding with stage portion 312 is additionally provided on the side plate 232 of magnetic bowl 23, clinch 2321 is fixed on stage portion
The fixation of magnetic circuit system is realized on 312.
The loudspeaker mould group of the utility model includes the frame with accommodation space, the magnetic circuit system being contained in the frame
System and vibrational system, the vibrational system include vibrating diaphragm, the voice coil of the driving diaphragm oscillations and setting in the voice coil bottom
Support the elastic supporting plate of the voice coil, the voice coil include close to the vibrating diaphragm upper surface, it is opposite with the upper surface simultaneously
The lower surface that is mutually sticked with the elastic supporting plate and the side for connecting the upper surface and the lower surface, the resilient support
The contact site of plate and the voice coil is provided with sealing block, and the side of the sealing block and the voice coil fits.This is practical new
The loudspeaker mould group of type is it is possible to prevente effectively from the problem of voice coil waves or breaks and influence properties of product, increases vibrational system
Stability improves the unfailing performance of product.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (11)
1. a kind of loudspeaker mould group comprising have frame, the magnetic circuit system being contained in the frame and the vibration of accommodation space
Dynamic system, which is characterized in that the vibrational system includes vibrating diaphragm, the voice coil of the driving diaphragm oscillations and setting in the voice coil
Bottom supports the elastic supporting plate of the voice coil, the voice coil include close to the vibrating diaphragm upper surface, with the upper surface phase
To and with the lower surface that is mutually sticked of the elastic supporting plate and it is connect the side of the upper surface and the lower surface, the elasticity
The contact site of support plate and the voice coil is provided with sealing block, and the side of the sealing block and the voice coil fits.
2. loudspeaker mould group according to claim 1, which is characterized in that the side includes inner surface and on the other side
Outer surface, the inner surface and the outer surface are provided with sealing block, and the sealing block sandwiched positions the voice coil.
3. loudspeaker mould group according to claim 2, which is characterized in that the sealing block shares two groups, respectively along axis pair
Claim the two sides that the voice coil is set.
4. loudspeaker mould group according to claim 1, which is characterized in that the elastic supporting plate is flexible circuit board.
5. loudspeaker mould group according to claim 1, which is characterized in that the elastic supporting plate includes and the frame phase
The first fixed part even, the second fixed part for being connected with the voice coil and connect first fixed part and second fixation
The elastic joint part in portion, the sealing block are arranged on second fixed part.
6. loudspeaker mould group according to claim 5, which is characterized in that the elastic supporting plate shares two groups, sets respectively
It sets in the two sides of the voice coil.
7. loudspeaker mould group according to claim 6, which is characterized in that elastic supporting plate described in every group respectively has there are two institute
The first fixed part is stated, the both ends of the voice coil are extended respectively into and is fixedly connected with the frame.
8. loudspeaker mould group according to claim 5, which is characterized in that the magnetic circuit system includes magnetic bowl and is housed in institute
Magnet steel in magnetic bowl is stated, the magnetic bowl includes bottom plate and the side plate from bottom plate bending extension, is provided with evacuation on the side plate
First resigning breach of second fixed part, the magnet steel correspond to be provided at first resigning breach the second resigning lack
Mouthful.
9. loudspeaker mould group according to claim 8, which is characterized in that the bottom plate corresponds at first resigning breach
It is provided with to the escape groove being recessed far from the vibrating diaphragm direction.
10. loudspeaker mould group according to claim 8, which is characterized in that the magnetic circuit system further includes being sticked described
Pole piece on magnetic bowl is provided with the third resigning breach of corresponding second resigning breach on the pole piece.
11. loudspeaker mould group according to claim 5, which is characterized in that the frame includes bottom wall and from the bottom wall
The side wall extended is bent, the vibrating diaphragm is attached on the side wall, is provided on the bottom wall to the vibrating diaphragm direction protrusion
Mounting portion, first fixed part are arranged on the mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262007.0U CN208638656U (en) | 2018-08-05 | 2018-08-05 | Loudspeaker mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262007.0U CN208638656U (en) | 2018-08-05 | 2018-08-05 | Loudspeaker mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638656U true CN208638656U (en) | 2019-03-22 |
Family
ID=65739734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821262007.0U Expired - Fee Related CN208638656U (en) | 2018-08-05 | 2018-08-05 | Loudspeaker mould group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208638656U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113099366A (en) * | 2021-04-12 | 2021-07-09 | 益阳市信维声学科技有限公司 | Loudspeaker module |
| CN114125663A (en) * | 2020-08-25 | 2022-03-01 | 华为技术有限公司 | Electroacoustic transducer, loudspeaker module and electronic equipment |
| WO2022110462A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2018
- 2018-08-05 CN CN201821262007.0U patent/CN208638656U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114125663A (en) * | 2020-08-25 | 2022-03-01 | 华为技术有限公司 | Electroacoustic transducer, loudspeaker module and electronic equipment |
| WO2022110462A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN113099366A (en) * | 2021-04-12 | 2021-07-09 | 益阳市信维声学科技有限公司 | Loudspeaker module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |