CN207706021U - A kind of linear vibration motor - Google Patents
A kind of linear vibration motor Download PDFInfo
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- CN207706021U CN207706021U CN201721723129.0U CN201721723129U CN207706021U CN 207706021 U CN207706021 U CN 207706021U CN 201721723129 U CN201721723129 U CN 201721723129U CN 207706021 U CN207706021 U CN 207706021U
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- fixed part
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- vibration motor
- linear vibration
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Abstract
The utility model discloses a kind of linear vibration motor, including shell, the vibrator component that is housed in shell and two elastic supporting member for supporting optical member for being used to support the vibrator component；Elastic supporting member for supporting optical member includes the first fixed part, the second fixed part and elasticity arm；First fixed part is extended along first direction to close to quality Block direction from one end of elasticity arm, and in a first direction, the inner surface of first fixed part is combined fixation with the upright side walls surface of mass block；Second fixed part is extended along first direction to close to or far from quality Block direction from the other end of elasticity arm, and in a first direction, the outer surface of second fixed part is combined fixation with the upright side walls inner surface of shell.Motor configuration provided by the utility model has bidirectional linear vibrating effect, and the elastic supporting member for supporting optical member provided in the utility model can be good at meeting the vibration that vibrator component generates in different directions by the improvement of structure.
Description
Technical field
The utility model is related to technical field of electronic products.More particularly, to a kind of linear vibration motor.
Background technology
With the development of the communication technology, portable electronic product, such as mobile phone, handheld device or palm multimedia recreation
Equipment etc. enters people’s lives.In these portable electronic products, generally system feedback can be done with vibrating motor,
Such as the vibrational feedback etc. of the incoming call prompting of mobile phone, game machine.
Existing linear vibration motor usually all includes the vibrator component and elastic supporting member for supporting optical member being contained in shell.Elasticity branch
Support member not only will provide restoring force for vibrator component, also provide for the vibrator component to be suspended in the shell
It is suspended in the support force in space.For the current existing linear vibration motor that can provide different direction of vibration in the same space
It is existing since elastic supporting member for supporting optical member is limited by self structure and its connection type between vibrator component and shell for structure
Some elastic supporting member for supporting optical member are not well positioned to meet the demand of double direction of vibration motors, and if are combined using more elastic supporting member for supporting optical member
It uses, or using the excessively complicated elastic supporting member for supporting optical member of structure, be easy to cause the increase of production cost, and the fraction defective of product increases
Height, reliability are difficult to be guaranteed.
Utility model content
In view of the above problems, problem to be solved in the utility model is to provide a kind of new linear vibration motor, this is linear
Vibrating motor solves at present due to elastic supporting member for supporting optical member itself, and its bond strength is not high between vibrator component and shell, bullet
Property support element the problem of cannot meeting the vibration demand of double direction of vibration motors, and the resilient support provided in the utility model
Part also have it is simple in structure, production cost is low, it is highly reliable the advantages that.
In order to solve the above technical problems, the utility model uses following technical proposals：
A kind of linear vibration motor, including shell, the vibrator component that is housed in shell and it is used to support the oscillator
Two elastic supporting member for supporting optical member of component；The vibrator component includes mass block and is embedded the magnet in mass block, and two elasticity are propped up
Support member is separately fixed between the mass block both ends and the shell；
It is first direction to define the direction of vibration of the vibrator component in the horizontal plane, and the vibrator component is in the horizontal plane
Direction of vibration perpendicular to first direction is second direction；
The elastic supporting member for supporting optical member includes the first fixed part, the second fixed part and connects the first fixed part and the second fixed part
It is connected into integrally-built elasticity arm；
First fixed part is extended along first direction to close to quality Block direction from one end of elasticity arm, and in first party
Upwards, the inner surface of first fixed part is combined fixation with the upright side walls surface of mass block；
Second fixed part is extended along first direction to close to or far from quality Block direction from the other end of elasticity arm,
And in a first direction, the outer surface of second fixed part is combined fixation with the upright side walls inner surface of shell.
Further, it is preferable to which scheme is, first fixed part includes by first fixed part at least one side edge edge
The extension that second direction is extended；
In a first direction, a side surface of the extension is combined fixation with the horizontal side wall surface of the mass block.
Further, it is preferable to scheme is, two elastic supporting member for supporting optical member are centrosymmetric setting about the center of vibrator component.
Further, it is preferable to which scheme is, first fixed part is with second fixed position in the homonymy of the elasticity arm
Or not homonymy.
Further, it is preferable to which scheme is, first fixed part is mutually parallel with second fixed part.
Further, it is preferable to which scheme is, the projection of the elasticity arm in the horizontal plane is in the continuous bending for including V word structures
Structure, and first fixed part, the second fixed part and elasticity arm are integrally bent to form by sheet body.
Further, it is preferable to which scheme is, the linear vibration motor further includes the stator module being housed in shell, described fixed
Sub-component includes the first coil being correspondingly arranged with the magnet and the second coil；
The raw driving force of first coil indirect current miscarriage makes the vibrator component be vibrated along first direction, and described the
The raw driving force of two coil indirect current miscarriage makes the vibrator component vibrate in a second direction.
Further, it is preferable to which scheme is, the magnet of at least two pieces adjacent settings, two pieces of magnets are provided in the mass block
Magnetizing direction perpendicular to horizontal plane, and the magnetizing direction of two pieces of magnets is opposite.
Further, it is preferable to which scheme is, the stator module includes at least three First Lines being arranged side by side along first direction
Circle；Second coil there are two being arranged side by side in a second direction between two first coils of adjacent setting；
The coiling plane of the first coil and the coiling plane of second coil are parallel with horizontal plane.
Further, it is preferable to scheme is, the first coil and the second coil are located at the homonymy of the magnet, the magnet
Side far from first coil and the second coil is provided with magnetic conductive board.
The beneficial effects of the utility model are as follows：
Motor configuration provided by the utility model is by being respectively turned on the coil in different location direction, and coil is by ampere
Power, the magnet in vibrator component are driven vibrator component by the reaction force of coil to generate the driving force on different directions
Vibration is generated in different directions, product bidirectional linear vibrating effect is realized, compared to the single vibration horse of two equal performances
It reaches, saves cost and space.And the elastic supporting member for supporting optical member provided in the utility model can be fine by the improvement of structure
The vibration for meeting vibrator component and generating in different directions, between elastic supporting member for supporting optical member and mass block and elastic supporting member for supporting optical member and shell
Setting block is no longer needed between body, and the bond strength between the elastic supporting member for supporting optical member and vibrator component and shell is high, is not susceptible to
Fracture, and also have it is simple in structure, easy to assembly, production cost is low, it is highly reliable the advantages that.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the assembly structure figure of the provided linear vibration motor of the utility model.
Fig. 2 shows the structural schematic diagrams of elastic supporting member for supporting optical member in the provided linear vibration motor of the utility model.
Fig. 3 shows that the configuration mode of first coil and the second coil is illustrated in the provided linear vibration motor of the utility model
Figure.
Fig. 4 shows sectional view of the provided linear vibration motor of the utility model along the faces X-Z.
Fig. 5 shows sectional view of the provided linear vibration motor of the utility model along the faces Y-Z.
Fig. 6 shows a kind of structural representation of preferred elastic supporting member for supporting optical member in the provided linear vibration motor of the utility model
Figure.
Specific implementation mode
In following description given, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiment,
Numerous specific details are set forth.It may be evident, however, that these implementations can also be realized without these specific details
Example.In other examples, one or more embodiment for ease of description, well known structure and equipment are in block form an
It shows.
Used " mass block " may also be referred to as " clump weight " in the description of following specific implementation modes, refer both to and magnetic
Body and resilient support assemblies coordinate one of the component vibrated in motor shell.In addition, present invention is mainly used in description
The improvement for the linear vibration motor used may also be referred to as horizontal linear vibrating motor or X to linear vibration motor, and also not arrange
Except the technology in invention is applied to large-scale vibrating motor, but for the convenience of statement, in the description of the embodiments below, tool
Body is illustrated by taking linear vibration motor as an example.
In order to illustrate more clearly of the utility model, with reference to preferred embodiment and attached drawing to the utility model do into
The explanation of one step.But it should be recognized that in order to make it easy to understand, involved in the utility model such as " upright side walls ", " horizontal side
The descriptions such as wall " are not intended to limit with reference to the explanation of the provided pattern of attached drawing, and persons skilled in the art can be with
Understand, it is involved in text corresponding to describe and word is answered when motor placement position changes in the utility model
When being subject to its practical function played in motor.
In conjunction with shown in Fig. 1, the utility model provides a kind of linear vibration motor, and the motor includes shell, receiving fixation
In stator module, vibrator component and two elastic supporting member for supporting optical member 3 for being used to support the vibrator component in shell；Wherein, institute
It includes the first shell 1 and second shell 2 for complementing each other to form accommodating cavity to state shell；Here first shell 1 and second shell
Body 2 can also be usually said upper casing and lower casing, and specific to present embodiment, the first shell 1 is usually said motor
Upper casing, second shell 2 are usually said motor lower casing；And permeability magnetic material may be used in the shell that present embodiment is provided
It is made, or non-magnet material is made, and the utility model is not limited this.In order to make it easy to understand, shaking described in definition
The direction of vibration of sub-component in the horizontal plane is first direction, the vibrator component shaking perpendicular to first direction in the horizontal plane
Dynamic direction is second direction.It should be noted that the first direction defined here mutually hangs down for three in rectangular coordinate system in space
X-direction in straight X-axis, Y-axis, Z axis is X-direction, second direction specific to the first direction defined in present embodiment
Direction for Y direction, vertical and horizontal face is Z-direction.In present embodiment, the vibrator component include mass block 4 and
It is embedded the magnet 5 in mass block 4, two elastic supporting member for supporting optical member 3 are separately fixed at 4 both ends of the mass block and the first shell
Between body 1；Elastic supporting member for supporting optical member 3 supports the vibrator component along first direction or linear reciprocal movement in a second direction.
In conjunction with shown in Fig. 2, the elastic supporting member for supporting optical member 3 includes the first fixed part 31, the second fixed part 32 and consolidates first
Determine portion 31 and the second fixed part 32 connects into integrally-built elasticity arm 33；First fixed part 31 by elasticity arm 33 one end
Extend to close to 4 direction of mass block along first direction, and in a first direction, the inner surface and quality of first fixed part 31
The upright side walls surface of block 4, which combines, to be fixed；Second fixed part 32 from the other end of elasticity arm 33 along first direction to close
Or extend far from 4 direction of mass block, and in a first direction, outer surface and the first shell 1 of second fixed part 32
Upright side walls inner surface, which combines, to be fixed；And preferably scheme is, first fixed part 31 and 32 phase of the second fixed part
It is mutually parallel.The linear oscillator of general majority it should be noted that the first fixed part 31 and second fixed part 32 are mutually parallel
Motor configuration, here parallel should include due to the structural failure caused by techniques such as processing, assembling.
Elastic supporting member for supporting optical member 3 provided by the utility model passes through the improvement to its structure, 3 both ends of elastic supporting member for supporting optical member and matter
Can fixation, elastic supporting member for supporting optical member 3 and mass block 4 directly be combined by surface soldered between gauge block 4 and between first shell 1
Between and elastic supporting member for supporting optical member 3 and first shell 1 between no longer need to be auxiliarily fixed by the way that block is arranged, and the utility model institute
The elastic supporting member for supporting optical member 3 of offer is while meeting one direction vibrating motor vibrator component vibration demand, additionally it is possible to meet double vibrations
The vibration demand of direction motor vibrator component, and it is easy to assembly, production cost is low, and bond strength is high, highly reliable.It is appreciated that
, in order to ensure balance of the vibrator component in vibration processes, in present embodiment, two elastic supporting member for supporting optical member are about oscillator
The central axis of component is centrosymmetric setting.
In addition, in schematic structure, the first fixed part 31 and the second fixed part 32 of the elastic supporting member for supporting optical member 3 are positioned at described
The homonymy of elasticity arm 33, but it is understood that, ensure bond strength between elastic supporting member for supporting optical member 3 and first shell 1 and
Under conditions of vibrator component vibration balancing, the first fixed part 31 and the second fixed part 32 of the elastic supporting member for supporting optical member 3 may be alternatively located at
The not homonymy of the elasticity arm 33.That is in a first direction, the outer surface of the second fixed part 32 is consolidated with far from first
Determine portion 31 the inner surface of another upright side walls of 1 upright side walls of corresponding first shell is fixed.
In addition, the projection of the elasticity arm 33 in the horizontal plane is in the continuous bending structure for including V word structures, and it is described
First fixed part 31, the second fixed part 32 and elasticity arm 33 are integrally bent to form by sheet body.In present embodiment, the bullet
The arm of force 33 is in M or W type structures, and in a first direction, and the upper side edge edge of the elasticity arm 33 or lower side are same along being in respectively
On one horizontal plane, it will be appreciated by persons skilled in the art that present embodiment is only to provide, one kind is simple and practical in structure to expire
The specific elastic force arm configuration of the double direction of vibration motors of foot, it should say, the goal of the invention to be realized based on the utility model, bullet
The structure of elasticity arm should not be limited only to schematic structure in property support element, it should say it is every can be in X-direction and Y direction
There is provided for vibrator component elastic restoring force elastic force arm configuration all should belong to the protection range of the utility model it is interior.
Also, for the structure type of elastic supporting member for supporting optical member, the utility model also provides another preferably elastic supporting member for supporting optical member
Embodiment, specifically combine Fig. 6 shown in, the combination in order to further increase between elastic supporting member for supporting optical member 3 and mass block 4 is strong
Degree, first fixed part 31 includes the extension extended in a second direction by 31 both sides of the edge of the first fixed part
311；In a first direction, a side surface of extension 311 is combined fixation with the horizontal side wall surface of the mass block 4.
In a specific implementation mode of the utility model, in conjunction with shown in Fig. 3,4,5, it is provided in the mass block 4
The magnet 5 of two pieces of adjacent settings, the magnetizing directions of two pieces of magnets 5 is perpendicular to horizontal plane, and the magnetizing direction phase of two pieces of magnets 5
Instead.
It is understood that the magnetizing direction of two pieces of magnets 5 is perpendicular to horizontal plane, that is to say, that the poles N, the poles S point of magnet
Cloth is in the Z-axis direction；The magnetizing directions of two pieces of magnets 5 on the contrary, show if one piece of magnet magnetizes along Z-direction positive direction,
Another piece of magnet then magnetizes along Z-direction negative direction, specific to present embodiment, in Z-direction positive direction, it is illustrated that in structure
The magnet in left side is arranged in the way of the poles-N of the poles S, and right side magnet is arranged in the way of the poles-S of the poles N.
In addition, the linear vibration motor further includes the stator module being housed in shell, the stator module includes
The first coil 6 being correspondingly arranged with the magnet 5 and the second coil 7；The coiling plane of the first coil 6 and described second
The coiling plane of coil 7 is parallel with horizontal plane.It will be appreciated by persons skilled in the art that the coiling plane of coil, should be
Plane where the circular direction of the axis of coil wound coil.Referring specifically to Fig. 3, the stator module includes three along first
Direction first coil 6 arranged side by side；There are two being arranged side by side in a second direction between two first coils 6 of adjacent setting
Second coil 7；It should be noted that in the specific implementation mode, the extending direction of the main driving edge of the first coil 6
Extending direction for second direction, the main driving edge of second coil 7 is first direction, the main drive of coil mentioned here
Dynamic edge is interpreted as the edge that main driving capability is played in motor vertical with magnet polarities direction.
Pass through the arrangement of above-mentioned magnet and coil so that linear vibration motor provided by the utility model works as institute
When stating 6 indirect current stream of first coil, the driving force of generation can be such that the vibrator component is vibrated along first direction, when described the
When 7 indirect current stream of two coil, the driving force of generation can be such that the vibrator component vibrates in a second direction.
Moreover it is preferred that the first coil 6 and the second coil 7 are located at the homonymy of the magnet 5, the magnet 5 it is remote
Side from first coil 6 and the second coil 7 is provided with magnetic conductive board 8.Specifically, first shell 1 described in the utility model is
Semiclosed rectangular parallelepiped structure, second shell 2 are fixed on the open end of first shell 1, and it is close that magnetic conductive board 8 is located at the mass block 4
On the side wall of first shell 1.Magnetic conductive board 8 is used for correcting magnetic induction line, and then the magnetic induction intensity of intensifier coil side.The shape of magnetic conductive board
Shape can be platy structure, can also be the bowl structure being adapted to magnet, if can play correct magnetic strength wire shaped and
Enhance the component of magnetic induction intensity effect in the row of description, the utility model is without limitation.
Further, the stator module further includes in conjunction with being fixed in the second shell 2 for being connected to linear oscillator
The flexible PCB 9 of motor peripheral circuits, wherein first coil 6 and the second coil 7 by circuit on flexible PCB 9 with
External circuit is connected to.
By the above embodiment as can be seen that linear vibration motor provided by the utility model, by being respectively turned on
The coil in different location direction is, it can be achieved that product bidirectional linear vibrating effect, compared to the single vibration horse of two equal performances
It reaches, saves cost and space.And the elastic supporting member for supporting optical member provided in the utility model can be fine by the improvement of structure
The vibration for meeting vibrator component and generating in different directions, and the combination between the elastic supporting member for supporting optical member and vibrator component and shell
Intensity is high, is not susceptible to be broken, and has simple in structure, and easy to assembly, production cost is low, it is highly reliable the advantages that.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The row of protection domain.
Claims (10)
1. a kind of linear vibration motor, including shell, the vibrator component that is housed in shell and it is used to support the oscillator group
Two elastic supporting member for supporting optical member of part；The vibrator component includes mass block and is embedded the magnet in mass block, and two flexibly support
Part is separately fixed between the mass block both ends and the shell；It is characterized in that,
It is first direction to define the direction of vibration of the vibrator component in the horizontal plane, and the vibrator component is vertical in the horizontal plane
In first direction direction of vibration be second direction；
The elastic supporting member for supporting optical member includes the first fixed part, the second fixed part and connects into the first fixed part and the second fixed part
Integrally-built elasticity arm；
First fixed part is extended along first direction to close to quality Block direction from one end of elasticity arm, and in a first direction
On, the inner surface of first fixed part is combined fixation with the upright side walls surface of mass block；
Second fixed part is extended along first direction to close to or far from quality Block direction from the other end of elasticity arm, and
On first direction, the outer surface of second fixed part is combined fixation with the upright side walls inner surface of shell.
2. a kind of linear vibration motor according to claim 1, which is characterized in that first fixed part includes by institute
State the extension that the first fixed part at least one side edge is extended in a second direction；
In a first direction, a side surface of the extension is combined fixation with the horizontal side wall surface of the mass block.
3. a kind of linear vibration motor according to claim 1, which is characterized in that two elastic supporting member for supporting optical member are about oscillator group
The center of part is centrosymmetric setting.
4. a kind of linear vibration motor according to claim 1, which is characterized in that first fixed part and described second
Fixed position is in the homonymy or not homonymy of the elasticity arm.
5. a kind of linear vibration motor according to claim 1, which is characterized in that first fixed part and described second
Fixed part is mutually parallel.
6. a kind of linear vibration motor according to claim 1, which is characterized in that the throwing of the elasticity arm in the horizontal plane
Shadow is in the continuous bending structure for including V word structures, and first fixed part, the second fixed part and elasticity arm pass through sheet body
Integrally it is bent to form.
7. a kind of linear vibration motor according to claim 1, which is characterized in that the linear vibration motor further includes receiving
Hold the stator module in shell, the stator module includes the first coil being correspondingly arranged with the magnet and the second line
Circle；
The raw driving force of the first coil indirect current miscarriage makes the vibrator component be vibrated along first direction, second line
The raw driving force of circle indirect current miscarriage makes the vibrator component vibrate in a second direction.
8. a kind of linear vibration motor according to claim 7, which is characterized in that be provided at least two in the mass block
The magnet of the adjacent setting of block, the magnetizing direction of two pieces of magnets is perpendicular to horizontal plane, and the magnetizing direction of two pieces of magnets is opposite.
9. a kind of linear vibration motor according to claim 8, which is characterized in that the stator module includes at least three
The first coil being arranged side by side along first direction；Being arranged side by side in a second direction between two first coils of adjacent setting has
Two the second coils；
The coiling plane of the first coil and the coiling plane of second coil are parallel with horizontal plane.
10. a kind of linear vibration motor according to claim 7, which is characterized in that the first coil and the second coil
Positioned at the homonymy of the magnet, the separate first coil of the magnet and the side of the second coil are provided with magnetic conductive board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723129.0U CN207706021U (en) | 2017-12-12 | 2017-12-12 | A kind of linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723129.0U CN207706021U (en) | 2017-12-12 | 2017-12-12 | A kind of linear vibration motor |
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| Publication Number | Publication Date |
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| CN207706021U true CN207706021U (en) | 2018-08-07 |
Family
ID=63026002
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721723129.0U Active CN207706021U (en) | 2017-12-12 | 2017-12-12 | A kind of linear vibration motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224571A (en) * | 2019-05-31 | 2019-09-10 | 黄自乐 | A kind of vibrating motor |
| JP2020019009A (en) * | 2018-08-03 | 2020-02-06 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Linear vibration motor |
| CN111641315A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN112600380A (en) * | 2020-12-21 | 2021-04-02 | 天津富禄通信技术有限公司 | Stable vibration device |
| CN113556006A (en) * | 2021-08-05 | 2021-10-26 | 歌尔股份有限公司 | Vibration motor |
-
2017
- 2017-12-12 CN CN201721723129.0U patent/CN207706021U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020019009A (en) * | 2018-08-03 | 2020-02-06 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Linear vibration motor |
| CN110224571A (en) * | 2019-05-31 | 2019-09-10 | 黄自乐 | A kind of vibrating motor |
| CN110224571B (en) * | 2019-05-31 | 2024-05-28 | 深圳市有幸科技有限公司 | Vibration motor and mobile electronic equipment |
| CN111641315A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN111641315B (en) * | 2020-06-30 | 2022-01-28 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN112600380A (en) * | 2020-12-21 | 2021-04-02 | 天津富禄通信技术有限公司 | Stable vibration device |
| CN113556006A (en) * | 2021-08-05 | 2021-10-26 | 歌尔股份有限公司 | Vibration motor |
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