CN205725396U - A kind of linear vibration motor - Google Patents
A kind of linear vibration motor Download PDFInfo
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- CN205725396U CN205725396U CN201620194862.7U CN201620194862U CN205725396U CN 205725396 U CN205725396 U CN 205725396U CN 201620194862 U CN201620194862 U CN 201620194862U CN 205725396 U CN205725396 U CN 205725396U
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- bulge
- mass
- damping block
- linear vibration
- vibration motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
This utility model relates to technical field of electronic products, a kind of linear vibration motor is provided, including motor shell and vibrating mass, vibrating mass includes mass, being additionally provided with two in motor shell and be provided with bulge-structure at mass along the both sides of direction of vibration for supporting vibrating mass and providing the elastic supporting member for supporting optical member of elastic-restoring force for it, bulge-structure is provided with inner fovea part, being combined with damping block in inner fovea part, the outboard end of damping block protrudes from the outboard end of bulge-structure and arranges.Linear vibration motor of the present utility model, can effectively control the amplitude of vibrating mass and the deformation range of elastic supporting member for supporting optical member, prevent elastic supporting member for supporting optical member and damping block overvoltage from causing damage, reduce cost simultaneously, improve assembly precision and product reliability, increase oscillating mass, improving product performance.
Description
Technical field
This utility model belongs to technical field of electronic products, particularly relates to a kind of linear vibration motor.
Background technology
At present, portable consumer electronics product develops rapidly, and consumer increasingly favors more lightening and has
There is the electronic product of more preferably tactile experience.Linear vibration motor is typically used as the actuator of tactile experience, rises
Effect to system vibration feedback.The most lightening developing direction of electronic product determines elastic supporting member for supporting optical member also
Must improve to gauge flat direction.
Existing linear vibration motor, generally includes housing and the oscillator being contained in housing and stator；Shake
Son is made up of mass, permanent magnet, shell fragment；Stator is then generally made up of FPCB and coil, is driven by stator
Dynamic oscillator vibration and then the vibration of drive motor entirety, outwards transmit seismaesthesia.In prior art, support oscillator
The usual bending of shell fragment of vibration forms, and the rigidity of shell fragment itself is bigger so that the vibration displacement of oscillator is less,
And in vibration processes, easily there is polarization phenomena；It addition, shell fragment is during bending, the most unavoidably
Existence stress collection neutralize plastic deformation, reliability and service life to product have a very big impact；Again
Person, in order to displacement is excessive when playing the amplitude of oscillator certain restriction and prevent from falling, generally sets
Being equipped with limited block and locating piece, the two is provided separately or is set to two-in-one overall structure, but with
All there is the problem that part is more, assembly precision is the highest, product reliability is poor in upper several designs.
Utility model content
The purpose of this utility model is to provide a kind of linear vibration motor, it is intended to optimize position limiting structure and resistance
The specific design of Buddhist nun's block so that it is preventing because shell fragment occurs bigger deformation to cause shell fragment to save while damaging
Cost, raising assembling product precision, and it is effectively increased oscillator quality, improving product performance.
This utility model is achieved in that a kind of linear vibration motor, including motor shell and be suspended in
Vibrating mass within described motor shell, described vibrating mass includes mass；It is additionally provided with in described motor shell
Two for supporting described vibrating mass and providing the elastic supporting member for supporting optical member of elastic-restoring force, wherein, two institutes for it
State elastic supporting member for supporting optical member and be separately positioned on the two ends of described vibrating mass direction of vibration, at described mass along vibration side
To both sides be provided with bulge-structure；Described bulge-structure is provided with inner fovea part；It is combined with resistance in described inner fovea part
Buddhist nun's block；The outboard end of described damping block protrudes from the outboard end of described bulge-structure and arranges.
As a kind of improved plan, described bulge-structure is one-body molded with described mass.
As a kind of improved plan, described bulge-structure is separately formed, and with described mass along vibration
The two ends in direction are welded and fixed.
As a kind of improved plan, described damping block is adhesively fixed with described bulge-structure and is integrated；Described
Damping block is partially housed in the inner fovea part of described bulge-structure, and part is outside described bulge-structure inner fovea part
End protrudes in the oscillation space extending to described vibrating mass.
As a kind of improved plan, described bulge-structure and the damping being combined as a whole with described bulge-structure
Block is all symmetrically arranged with two.
As a kind of improved plan, described inner fovea part is the square groove structure that material is formed；Described damping
Block is correspondingly arranged as square.
As a kind of improved plan, described elastic supporting member for supporting optical member is provided with and described bulge-structure and described damping
The avoiding mechanism that block is corresponding.
As a kind of improved plan, described elastic supporting member for supporting optical member includes the C that at least two links together side by side
Type shell fragment；Two described c-type shell fragments are fixedly connected to form V-structure side by side.
As a kind of improved plan, the C word mouth of two adjacent c-type shell fragments is oppositely arranged.
As a kind of improved plan, described elastic supporting member for supporting optical member includes the Z that at least two links together side by side
Type shell fragment；Two described Z-type shell fragments are fixedly connected to form V-structure side by side.
Owing to linear vibration motor includes motor shell and is suspended in the vibrating mass within described motor shell,
Two it are additionally provided with for supporting described vibrating mass and providing the resilient support of elastic-restoring force for it in motor shell
Part, two elastic supporting member for supporting optical member are separately positioned on the two ends of vibrating mass direction of vibration, at mass along direction of vibration
Both sides be provided with bulge-structure, bulge-structure is provided with inner fovea part, is combined with damping block in inner fovea part, damping
The outboard end of block protrude from bulge-structure outboard end arrange, when elastic supporting member for supporting optical member occur certain deformation quantity or
When compressing a certain amount of damping block, (particularly damping block protrudes from protruding knot to the bossing of mass both sides
The part that structure outboard end is arranged) housing can be directly contacted, thus play position-limiting action, prevent damping block with
Elastic supporting member for supporting optical member overvoltage and deform fracture, strengthen product reliability.
Further, since damping block is combined as a whole with bulge-structure, and the outboard end of damping block is for protruding from
Bulge-structure outboard end arrange, damping block play Vibrant buffer effect, prevent very stiff and demanding while, it is possible to
Play position-limiting action with bulge-structure one, and this part position limiting structure integrated on mass,
On the one hand can be effectively increased oscillating mass, improving product performance, on the other hand can also reduce parts,
Reduce human cost, raising assembly precision, prevent the product reliability shortcoming etc. caused because of failure welding from asking
Topic.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the linear vibration motor that this utility model provides；
Fig. 2 is that Fig. 1 overlooks design sketch；
Fig. 3 is the elastic supporting member for supporting optical member structural representation of a kind of embodiment of this utility model；
Wherein, 1-vibrating mass, 2-elastic supporting member for supporting optical member, 3-bulge-structure, 31-inner fovea part, 4-mass, 5-
Magnet, 6-Magnet installing hole, 7-washer plate, 8-coil, 9-wiring board, 10-upper casing, 11-lower casing, 12-
Damping block.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically
Embodiment, only in order to explain this utility model, is not used to limit this utility model.
Fig. 1 shows the exploded perspective view of the linear vibration motor that this utility model provides, for convenience of description,
Figure only gives the part relevant to this utility model.
Shown in Fig. 2, linear vibration motor includes motor shell and is suspended in shaking within motor shell
Motion block 1, vibrating mass 1 includes mass 4 and Magnet 5, is additionally provided with two for supporting vibration in motor shell
Block 1 elastic supporting member for supporting optical member 2 providing elastic-restoring force for it, two elastic supporting member for supporting optical member 2 are separately positioned on vibration
The two ends of block 1 direction of vibration, are provided with bulge-structure 3, bulge-structure at mass 4 along the both sides of direction of vibration
Being provided with inner fovea part 31 on 3, be combined with damping block 12 in inner fovea part 31, the outboard end of damping block 12 protrudes
Outboard end in bulge-structure 3 is arranged.
Concrete, bulge-structure 3 can be one-body molded with mass 4, it is also possible to separately formed, then with
Mass 4 is welded and fixed along the two ends of direction of vibration.Damping block 12 is adhesively fixed with bulge-structure 3 and is integrated,
Damping block 12 is partially housed in the inner fovea part 31 of bulge-structure 3, and part is from bulge-structure inner fovea part 31
Outer end is protruded in the oscillation space extending to vibrating mass 1.It is to say, in such an embodiment, with mass 4
One or the bulge-structure 3 of molding respectively, itself be the projection in the two side ends of mass 4, and damp
The outboard end of block 12, for the outboard end of bulge-structure 3, have employed protruding the setting in side further out
Meter, so, damping block 12 can not only play Vibrant buffer, prevent very stiff and demanding effect, additionally it is possible to shaking
When dynamic displacement is excessive, directly contacts housing because of its convex design, thus prevent elastic supporting member for supporting optical member overvoltage and make
Become to damage.
In said structure, bulge-structure 3 (being equivalent to limited block of the prior art) glues with damping block 12
Became one, but, bulge-structure 3 itself does not limit with the molding mode of mass 4, Ke Yiyi
Body design can also separately formed be welded, with specific reference to aforementioned relevant portion afterwards.
Preferably, bulge-structure 3 and the damping block 12 that is combined as a whole with bulge-structure 3 are all symmetrically arranged with
Two, in being conducive to during product work, maintain the vibration balancing on direction of vibration.
Preferably, inner fovea part 31 is the square groove structure going material to be formed, and damping block 12 is correspondingly arranged as side
Shape.It should be noted that the concrete shape of inner fovea part 31 and damping block 12 is not limited to above-mentioned square, also
Can change flexibly according to the complexity of the practical situation of product and making, be not limited to this practicality new
Type.In the specific implementation, bulge-structure 3 is preferably piece of stainless steel, and damping block 12 is preferably silicagel pad, when
So, bulge-structure 3 is not limited to above two with the material of damping block 12, it is also possible to be other material,
Do not repeat them here.
In the present embodiment, linear vibration motor is rectangular configuration, and elastic supporting member for supporting optical member 2 is shell fragment, and
Thering is provided elastic-restoring force in the horizontal direction, linear vibration motor vibrates in the horizontal direction, corresponding, convex
Play structure 3 to be integrally formed on two short axle heads of mass 4 with damping block 12.It should be noted that should
Part is only to illustrate a kind of concrete implementation mode, is not limited to the enforcement of the technical program, and it is also
Can apply in other motor configurations of Y-direction, Z-direction vibration.
In this utility model, mass 4 is provided with Magnet installing hole 6, and this Magnet 5 can pass through washer plate
7 suspensions are arranged in this Magnet installing hole 6；
Being provided with coil 8 corresponding with Magnet 5 in motor shell, the quantity of coil 8 can be according to reality
Product requirement is configured, and does not repeats them here；
Wherein this coil 8 is connected with wiring board 9, and wiring board 9 is fixedly connected on motor shell, this motor
Housing can realize in the way of being interlocked to use upper casing 10 and lower casing 11.Wherein, upper casing 10 and lower casing 11
Specifically including horizontally disposed diapire and the sidewall extended vertically from diapire, the two cooperates one
Rise and form the sealing space that can house vibrational system and stator system.
In this embodiment, when bulge-structure 3 and damping block 12 are arranged on above-mentioned mass 4, bullet
Property support member 2 be provided with corresponding avoiding mechanism, following have corresponding description, does not repeats them here.
Jointly shown with Fig. 3 as shown in Figure 1, Figure 2, elastic supporting member for supporting optical member 2 includes that at least two links together side by side
C-type shell fragment, this connected mode for welding；Two c-type shell fragments are fixedly connected to form V-structure side by side.
In this embodiment, the C word mouth of two adjacent c-type shell fragments is oppositely arranged, naturally it is also possible to arrange
For C word mouth towards identical, do not repeat them here.
Wherein, the dodging of the bulge-structure 3 shown in C above-mentioned Fig. 1 and Fig. 2 of word interruption-forming of several shell fragments
Mechanism, does not repeats them here.
Certainly, the Z-type shell fragment that this elastic supporting member for supporting optical member 2 can also be linked together side by side by least two is made；
These two Z-type shell fragments are fixedly connected to form V-structure side by side, do not repeat them here.
Wherein, the setting of this elastic supporting member for supporting optical member 2 can effectively reduce shell fragment in direction of vibration rigidity so that shell fragment
Direction of vibration is pliable bigger, and multistage welding has no effect on the rigidity in other directions, can make at same driving force
In the case of, elastic supporting member for supporting optical member 2 obtains bigger vibration displacement at direction of vibration, can reach higher vibration sense.
Meanwhile, this shell fragment pliable relatively big, can effectively lower the natural frequency of linear vibration motor.Use shell fragment pair
To welding, leaving space in the middle of two shell fragments, this space available increases quality, and pastes at extrusion position
Silicagel pad, plays position-limiting action, can control Oscillation Amplitude size.
It addition, shell fragment is formed by Combination Welding, the stress of each shell fragment can be shared, effectively reduce stress and concentrate
Phenomenon, flat structure, take up room after compression little, vibration processes is more steady, vertical with direction of vibration
Side-play amount on direction is the least, and product reliability and service life all can be greatly improved.
Compared to existing technologies, it is provided with bulge-structure 3 at mass 4 along the both sides of direction of vibration, protruding
Structure 3 is provided with inner fovea part 31, is combined with damping block 12 in inner fovea part 31, and the outboard end of damping block 12 is convex
Outboard end for bulge-structure 3 is arranged, when elastic supporting member for supporting optical member occurs certain deformation quantity or compresses a certain amount of
Damping block time, (particularly damping block protrudes from bulge-structure outboard end to the bossing of mass 4 both sides
The part arranged) housing can be directly contacted, thus play position-limiting action, prevent damping block 12 from propping up with elastic
Support member 2 overvoltage and deform fracture, strengthen product reliability.
Further, since damping block 12 is combined as a whole with bulge-structure 3, and the outboard end of damping block 12
For protrude from bulge-structure 3 outboard end arrange, damping block 12 play Vibrant buffer effect, prevent very stiff and demanding
While, it is possible to play position-limiting action with bulge-structure 3 one, and this part position limiting structure integrates
Arrive on mass, on the one hand can be effectively increased oscillating mass, improving product performance, on the other hand also may be used
To reduce parts, to reduce human cost, improve assembly precision, prevent the product that causes because of failure welding
The problems such as reliability shortcoming.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should
Within being included in protection domain of the present utility model.
Claims (10)
1. a linear vibration motor, including motor shell and be suspended in the vibration within described motor shell
Block, described vibrating mass includes mass；Two it are additionally provided with for supporting described vibrating mass in described motor shell
And providing the elastic supporting member for supporting optical member of elastic-restoring force for it, it is characterised in that two described elastic supporting member for supporting optical member are respectively
It is arranged on the two ends of described vibrating mass direction of vibration, is provided with projection at described mass along the both sides of direction of vibration
Structure；Described bulge-structure is provided with inner fovea part；It is combined with damping block in described inner fovea part；Described damping block
Outboard end protrude from described bulge-structure outboard end arrange.
Linear vibration motor the most according to claim 1, it is characterised in that described bulge-structure and institute
State mass one-body molded.
Linear vibration motor the most according to claim 1, it is characterised in that described bulge-structure is independent
Molding, and be welded and fixed along the two ends of direction of vibration with described mass.
4. according to the linear vibration motor described in any one of claim 1-3, it is characterised in that described damping
Block is adhesively fixed with described bulge-structure and is integrated；Described damping block is partially housed in the interior of described bulge-structure
In recess, part protrudes the oscillation space extending to described vibrating mass from the outer end of described bulge-structure inner fovea part
In.
Linear vibration motor the most according to claim 4, it is characterised in that described bulge-structure and
The damping block being combined as a whole with described bulge-structure is all symmetrically arranged with two.
Linear vibration motor the most according to claim 1, it is characterised in that described inner fovea part is for removing material
The square groove structure formed；Described damping block is correspondingly arranged as square.
Linear vibration motor the most according to claim 1, it is characterised in that on described elastic supporting member for supporting optical member
It is provided with the avoiding mechanism corresponding with described bulge-structure and described damping block.
Linear vibration motor the most according to claim 7, it is characterised in that described elastic supporting member for supporting optical member bag
Include the c-type shell fragment that at least two links together side by side；
Two described c-type shell fragments are fixedly connected to form V-structure side by side.
Linear vibration motor the most according to claim 8, it is characterised in that two adjacent c-type bullets
The C word mouth of sheet is oppositely arranged.
Linear vibration motor the most according to claim 7, it is characterised in that described elastic supporting member for supporting optical member
The Z-type shell fragment linked together side by side including at least two；
Two described Z-type shell fragments are fixedly connected to form V-structure side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194862.7U CN205725396U (en) | 2016-03-14 | 2016-03-14 | A kind of linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194862.7U CN205725396U (en) | 2016-03-14 | 2016-03-14 | A kind of linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205725396U true CN205725396U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620194862.7U Active CN205725396U (en) | 2016-03-14 | 2016-03-14 | A kind of linear vibration motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533112A (en) * | 2016-12-22 | 2017-03-22 | 四川安和精密电子电器有限公司 | Transverse linear vibration motor |
| CN108233663A (en) * | 2016-12-22 | 2018-06-29 | 四川安和精密电子电器有限公司 | A kind of horizontal linear vibrating motor |
| CN111463987A (en) * | 2020-05-11 | 2020-07-28 | 浙江省东阳市东磁诚基电子有限公司 | Novel multidirectional vibration motor and implementation method thereof |
| CN113514951A (en) * | 2021-06-22 | 2021-10-19 | 歌尔光学科技有限公司 | Galvanometer system, projection equipment and projection method |
| WO2022126770A1 (en) * | 2020-12-17 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Elastic member and vibration motor |
-
2016
- 2016-03-14 CN CN201620194862.7U patent/CN205725396U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533112A (en) * | 2016-12-22 | 2017-03-22 | 四川安和精密电子电器有限公司 | Transverse linear vibration motor |
| CN108233663A (en) * | 2016-12-22 | 2018-06-29 | 四川安和精密电子电器有限公司 | A kind of horizontal linear vibrating motor |
| CN111463987A (en) * | 2020-05-11 | 2020-07-28 | 浙江省东阳市东磁诚基电子有限公司 | Novel multidirectional vibration motor and implementation method thereof |
| CN111463987B (en) * | 2020-05-11 | 2021-09-14 | 浙江省东阳市东磁诚基电子有限公司 | Multidirectional vibration motor and implementation method thereof |
| WO2022126770A1 (en) * | 2020-12-17 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Elastic member and vibration motor |
| CN113514951A (en) * | 2021-06-22 | 2021-10-19 | 歌尔光学科技有限公司 | Galvanometer system, projection equipment and projection method |
| CN113514951B (en) * | 2021-06-22 | 2024-01-30 | 歌尔光学科技有限公司 | Galvanometer system, projection equipment and projection method |
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| GR01 | Patent grant |