CN205595995U - Linear vibrating motor - Google Patents
Linear vibrating motor Download PDFInfo
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- CN205595995U CN205595995U CN201620194863.1U CN201620194863U CN205595995U CN 205595995 U CN205595995 U CN 205595995U CN 201620194863 U CN201620194863 U CN 201620194863U CN 205595995 U CN205595995 U CN 205595995U
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Abstract
The utility model relates to an electron product technology field provides a linear vibrating motor, including motor casing and suspension in the inside vibrating mass of motor casing, vibrating mass includes the quality piece, still is equipped with two in the motor casing and is used for supporting vibrating mass and for its elastic support elements who carries ammunition feed nature restoring force, two elastic support elements set up respectively at the both ends of vibrating mass direction of vibration the quality piece is equipped with the restriction along the both sides of direction of vibration the stopper of vibrating mass vibration displacement, the stopper be with the protruding structure that the integrative setting / components of a whole that can function independently of quality piece set up to effective control vibrating mass's amplitude and elastic support elements's shape transient range prevent that the elastic support elements excessive pressure from causing the damage, and reduce cost, improvement equipment precision and product reliability increase the vibration quality, promote product property ability simultaneously.
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 the concrete of position limiting structure
Design so that it is cost-effective, raising while preventing from occurring bigger deformation to cause shell fragment to damage because of shell fragment
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 and limit the limited block of described vibrating mass vibration displacement, described limited block is and described mass
Be wholely set/split arrange bulge-structure.
As a kind of improved plan, described limited block is one-body molded with described mass, and respectively from institute
State the mass two ends along direction of vibration to the oscillation space internal projection extension of described vibrating mass.
As a kind of improved plan, described limited block is the structure arranged with described mass split;Described
Limited block is separately formed, and is welded and fixed along the two ends of direction of vibration with described mass.
As a kind of improved plan, described motor shell includes diapire and vertically extending from described diapire
Sidewall;Described limited block is separately formed, and fixes with the sidewall weld of described motor shell.
As a kind of improved plan, described limited block is symmetrically arranged with two.
As a kind of improved plan, described limited block is pasted with damping block.
As a kind of improved plan, described elastic supporting member for supporting optical member is provided with dodge corresponding with described limited block
Mechanism.
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, and, mass is along vibration
The both sides in direction are provided with limited block, limited block be wholely set with mass/split arrange bulge-structure,
When vibrating mass amplitude is bigger, can stop continuing to expand amplitude, the most just because colliding the limited block of projection
Being to say, the deformation range of shell fragment can more efficiently be controlled, and overvoltage causes certainly to prevent shell fragment from occurring
Body damages.
Further, since limited block can be welded on mass after being wholely set with mass or be separately provided,
Damping can be pasted on limited block, thus the effect of limited block of the prior art and locating piece is directly collected
Become to have arrived on mass, hence it is evident that decrease parts, thus reduce artificial and cost of parts and technology difficulty,
Improve assembly precision, prevent because of parts between not prison welding and the problem that causes reliability;Meanwhile, spacing
Being combined with damping block on block, damping block can play cushioning effect in vibration processes, prevents very stiff and demanding;Limit
Position block is wholely set, with mass, the quality that can increase oscillator, effectively promotes the performance of linear vibration motor.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the linear vibration motor that this utility model embodiment provides;
Fig. 2 is that Fig. 1 overlooks design sketch;
Wherein, 1-vibrating mass, 2-elastic supporting member for supporting optical member, 3-limited block, 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 restriction vibrating mass 1 at mass 4 along the both sides of direction of vibration and vibrate position
Move limited block 3, limited block 3 be wholely set with mass 4/split setting bulge-structure.
Wherein, the setting of this limited block 3, it is possible to vibrating mass 1 displacement of direction of vibration in vibration processes
It is defined, it is ensured that the stability of vibration of vibrating mass 1, it is to avoid resilient support occurs to make because amplitude is excessive
Part 2 overvoltage, effectively prevents the plastic deformation of elastic supporting member for supporting optical member 2.
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 specifically includes water
The flat diapire arranged and the sidewall extended vertically from diapire, and lower casing 11 specifically include can be with upper casing
10 form the diapire sealing receiving space.
In this utility model, above-mentioned limited block 3 specifically can include following several embodiments:
As depicted in figs. 1 and 2, limited block 3 is separately positioned on the side at mass 4 direction of vibration two ends;
In this embodiment, limited block 3 can also be effectively increased the oscillating mass of whole vibrating mass, thus promotes
The performance of product.
Concrete, limited block 3 and mass 4 can individually molding, the mode then using welding is solid
Fixed, certainly, mass 4 can also be one-body molded with limited block 3, limited block 3 takes shape in described mass
4 along the two side ends of direction of vibration, and from the two side ends of described mass 4 in the oscillation space of vibrating mass 1
Protruding extension.
Another embodiment is, limited block 3 is separately formed, and fixes with the sidewall weld of upper casing 10.
No matter taking which kind of embodiment above, limited block 3 is preferably arranged to two, and at mass 4
Lateral symmetry is arranged, the balance of the most whole vibration processes.
In this embodiment, when limited block 3 is arranged on above-mentioned mass 4, on elastic supporting member for supporting optical member 2
Being provided with avoiding mechanism corresponding with limited block 3, following have corresponding description, does not repeats them here.
As depicted in figs. 1 and 2, arranging damping block 12 on limited block 3, this damping block 12 is to mass 4
In vibration processes, play the effect of buffering, prevent from very stiff and demanding causing damage.
In the specific implementation, limited block 3 preferably piece of stainless steel, damping block 12 preferably silicagel pad, certainly,
Limited block 3 is not limited to above two with the material of damping block 12, it is also possible to be other material, at this not
Repeat again.
As it is shown in figure 1, elastic supporting member for supporting optical member 2 includes the c-type shell fragment that at least two links together side by side, should
Connected mode is 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 limited block 3 shown in C above-mentioned Fig. 1 and Fig. 2 of word interruption-forming of several shell fragments dodge machine
Structure, 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, the linear vibration motor of the technical program, mass 4 is integrated with existing
Limited block in technology (pasting the supporting construction of damping) and locating piece (prevent when falling displacement excessive,
Cause damaging) function, can effectively reduce part and cost of labor, reduce the difficulty of packaging technology simultaneously
Spend, improve assembly precision, prevent because not prison welding causes reliability to be short of;It addition, it is as it was previously stated, permissible
Effectively increase oscillator quality, the performance of improving product.
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 restriction at described mass along the both sides of direction of vibration
The limited block of described vibrating mass vibration displacement, described limited block for being wholely set/split setting with described mass
Bulge-structure.
Linear vibration motor the most according to claim 1, it is characterised in that described limited block is with described
Mass is one-body molded, and the shaking along two lateral described vibrating mass of direction of vibration from described mass respectively
Dynamic space internal projection extends.
Linear vibration motor the most according to claim 1, it is characterised in that described limited block for institute
State the structure that mass split is arranged;Described limited block is separately formed, and with described mass along vibration side
To two ends be welded and fixed.
Linear vibration motor the most according to claim 1, it is characterised in that described motor shell includes
Diapire and from the vertically extending sidewall of described diapire;Described limited block is separately formed, and with described motor
The sidewall weld of housing is fixed.
5. according to the linear vibration motor described in any one of claim 1-4, it is characterised in that described spacing
Block is symmetrically arranged with two.
Linear vibration motor the most according to claim 1, it is characterised in that paste on described limited block
There is damping block.
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 limited 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 |
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CN201620194863.1U CN205595995U (en) | 2016-03-14 | 2016-03-14 | Linear vibrating motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620194863.1U CN205595995U (en) | 2016-03-14 | 2016-03-14 | Linear vibrating motor |
Publications (1)
Publication Number | Publication Date |
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CN205595995U true CN205595995U (en) | 2016-09-21 |
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CN201620194863.1U Active CN205595995U (en) | 2016-03-14 | 2016-03-14 | Linear vibrating motor |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106911242A (en) * | 2017-04-28 | 2017-06-30 | 歌尔股份有限公司 | Linear vibration motor |
CN106972727A (en) * | 2017-04-01 | 2017-07-21 | 浙江省东阳市东磁诚基电子有限公司 | A kind of horizontal vibration linear motor X-direction movement of pendulum position limiting structure |
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 |
JP2019134508A (en) * | 2018-01-29 | 2019-08-08 | 日本電産セイミツ株式会社 | Vibration motor |
CN111463988A (en) * | 2020-05-15 | 2020-07-28 | 浙江省东阳市东磁诚基电子有限公司 | Novel spring piece Z-axis linear motor and implementation method thereof |
CN113324858A (en) * | 2021-06-23 | 2021-08-31 | 上海顺诠科技有限公司 | Dynamic stress strain test system |
WO2021248534A1 (en) * | 2020-06-12 | 2021-12-16 | 瑞声声学科技(深圳)有限公司 | Linear motor |
-
2016
- 2016-03-14 CN CN201620194863.1U patent/CN205595995U/en active Active
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN106972727A (en) * | 2017-04-01 | 2017-07-21 | 浙江省东阳市东磁诚基电子有限公司 | A kind of horizontal vibration linear motor X-direction movement of pendulum position limiting structure |
CN106911242A (en) * | 2017-04-28 | 2017-06-30 | 歌尔股份有限公司 | Linear vibration motor |
CN106911242B (en) * | 2017-04-28 | 2023-09-12 | 歌尔股份有限公司 | Linear vibration motor |
JP2019134508A (en) * | 2018-01-29 | 2019-08-08 | 日本電産セイミツ株式会社 | Vibration motor |
CN111463988A (en) * | 2020-05-15 | 2020-07-28 | 浙江省东阳市东磁诚基电子有限公司 | Novel spring piece Z-axis linear motor and implementation method thereof |
WO2021248534A1 (en) * | 2020-06-12 | 2021-12-16 | 瑞声声学科技(深圳)有限公司 | Linear motor |
CN113324858A (en) * | 2021-06-23 | 2021-08-31 | 上海顺诠科技有限公司 | Dynamic stress strain test system |
CN113324858B (en) * | 2021-06-23 | 2022-12-20 | 上海顺诠科技有限公司 | Dynamic stress strain test system |
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