CN105186824B - Flexible vibration motor - Google Patents
Flexible vibration motor Download PDFInfo
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- CN105186824B CN105186824B CN201510509375.5A CN201510509375A CN105186824B CN 105186824 B CN105186824 B CN 105186824B CN 201510509375 A CN201510509375 A CN 201510509375A CN 105186824 B CN105186824 B CN 105186824B
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Abstract
The present invention provides a kind of flexible vibration motor, including shell, the vibrational system that is housed in the oscillation space of shell formation and connection vibrational system and it is done elastic supporting member for supporting optical member of reciprocating vibration；Wherein, vibrational system includes mass and the permanent magnet being fixedly connected with mass；Wherein, mass includes the second mass, is laterally positioned in the first mass and the 3rd mass of the second mass both sides, and the first mass and the 3rd mass are connected by the first shell fragment and the second shell fragment with the second mass respectively.When the assembly space of motor only allows to assemble X-direction vibrating motor motor can be made to produce the vibration of Y direction, strong applicability using foregoing invention.
Description
Technical field
The present invention relates to vibrating motor technical field, more specifically, is related to a kind of flexible vibration motor.
Background technology
With advancing by leaps and bounds for the communication technology in recent years, portable mobile communication terminal device gradually incorporates the life of people
It is living.In traditional portable electron device, such as mobile phone, the work(such as caller identification, calling vibration prompting and call voice output
Different devices can be respectively necessary for complete.Wherein, perform vibration prompt function is vibrating motor.Existing vibrating motor, bag
Include lid, with upper cap-shaped into oscillation space lower cover, do linear vibration vibrational system (vibrational system include mass and
Permanent magnet), cover in connection and make vibrational system do elastic supporting member for supporting optical member of reciprocating vibration and voice coil loudspeaker voice coil below mass and
Iron core inside voice coil loudspeaker voice coil.
But the motor of this structure can only move along a straight line substantially, when the space of assembling motor is with requiring shaking for motor
When dynamic direction contradicts, simply it can only be moved reciprocatingly in X-direction, it is impossible to meet product demand, adaptability is poor.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of flexible vibration motor, to solve linear motion horse at present
Reach, when assembling the space of motor with requiring that the direction of vibration of motor contradicts, simply can only be moved reciprocatingly in X-direction
The problem of.
A kind of flexible vibration motor is provided according to the present invention, including：Shell, it is housed in the oscillation space of shell formation
Vibrational system and connection vibrational system simultaneously make it do elastic supporting member for supporting optical member of reciprocating vibration；Wherein, vibrational system includes mass
And the permanent magnet being fixedly connected with mass；Wherein, mass includes the second mass, is laterally positioned in the second mass both sides
The first mass and the 3rd mass, the first mass and the 3rd mass pass through the first shell fragment and the second shell fragment and respectively
Two masses connect.
Wherein, the first shell fragment and/or the second shell fragment are " S " type, " N " type or " W " type structure.
Wherein, permanent magnet includes the first permanent magnet and the second permanent magnet；It is provided with the first mass and inlays first forever
First fixing groove of magnet；The second fixing groove for inlaying the second permanent magnet is provided with the 3rd mass.
Wherein, the opposite polarity of the first permanent magnet and the second permanent magnet.
Wherein, the first mass, the second mass and the 3rd mass are arranged side by side in X-direction；First mass and
3rd mass is hung in the space that shell is formed by elastic supporting piece respectively.
Wherein, the first mass by the first connecting shaft with the first support block positioned at shell one end along the first connecting shaft
Axial direction on be flexibly connected, be provided with the first spring in the outer sheath of the first connecting shaft；3rd mass by the second connecting shaft with
The second support block positioned at the shell other end is flexibly connected in the axial direction along the second connecting shaft, in the outer sheath of the second connecting shaft
Provided with second spring.
Wherein, the side of the first mass is provided with the first silicagel pad in the first support block；Leaned in the second support block
The side of nearly 3rd mass is provided with the second silicagel pad.
Wherein, voice coil loudspeaker voice coil is provided with below the first mass, the second mass and the 3rd mass, is set inside voice coil loudspeaker voice coil
It is cored.
Wherein, shell includes middle shell, the upper lid and lower cover of connection is adapted to middle shell；U-typed connection is fixed with lower lid
Plate, voice coil loudspeaker voice coil electrically connect with connecting plate.
Wherein, in addition to external circuit the spring terminal being connected, spring terminal are fixed on middle shell by fixed block.
Using the above-mentioned flexible vibration motor according to the present invention, hanged in middle shell and set three shell fragments companies by definite shape
The mass connect, while mass vibrates along X-direction, the flexible vibration in Y direction can be produced, in product space
When only allowing to install X-direction motor of reciprocating vibration, the vibration in Y direction can be still produced, to meet product demand,
Meanwhile three masses of flexible connection can also increase Lorentz force, and then strengthen the vibration sense of motor.
In order to realize above-mentioned and related purpose, one or more aspects of the invention include will be explained in below and
The feature particularly pointed out in claim.Some illustrative aspects of the present invention are described in detail in following explanation and accompanying drawing.
However, some modes in the various modes of the principle that the present invention only can be used of these aspect instructions.It is in addition, of the invention
It is intended to include all these aspects and their equivalent.
Brief description of the drawings
By reference to the explanation and the content of claims below in conjunction with accompanying drawing, and with to the present invention more comprehensively
Understand, other purposes and result of the invention will be more apparent and should be readily appreciated that.In the accompanying drawings：
Fig. 1 is the explosive view according to the flexible vibration motor of the embodiment of the present invention；
Fig. 2 is the profile according to the flexible vibration motor of the embodiment of the present invention；
Fig. 3 is the top view according to the flexible vibration motor of the embodiment of the present invention；
Fig. 4 is the part sectioned view according to the flexible vibration motor of the embodiment of the present invention；
Fig. 5 is the stereogram according to the flexible vibration motor of the embodiment of the present invention.
Reference therein includes：Upper lid 1, the first mass 21, the first permanent magnet 211, the second mass the 22, the 3rd
Mass 23, the second permanent magnet 231, the first spring 31, second spring 32, the first connecting shaft 41, the second connecting shaft 42, spring terminal
Son 5, fixed block 6, the first shell fragment 71, the second shell fragment 72, the first silicagel pad 81, the second silicagel pad 82, the first support block 91, second
Support block 92, voice coil loudspeaker voice coil 10, middle shell 11, connecting plate 12, lower cover 13.
Identical label indicates similar or corresponding feature or function in all of the figs.
Embodiment
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain
Many details are stated.It may be evident, however, that these embodiments can also be realized in the case of these no details.
In other examples, for the ease of describing one or more embodiments, known structure and equipment are shown in block form an.
For above-mentioned linear motion motor, when assembling the space of motor with requiring that the direction of vibration of motor contradicts,
Can be simply X-direction move reciprocatingly the problem of, the present invention is hanged in the middle shell of motor sets three by shell fragments such as " S " types
The mass of lateral connection together, when product space only allows installation X-direction motor of reciprocating vibration, it can still produce
Flexible vibration in raw Y direction, to meet the different demands of product, Lorentz force is strong, and motor vibration sense is obvious.
For the flexible vibration motor configuration of the present invention is described in detail, the specific embodiment below with reference to accompanying drawing to the present invention
It is described in detail.
Fig. 1 shows the detonation configuration of flexible vibration motor according to embodiments of the present invention；Fig. 2 is shown according to the present invention
The cross-section structure of the flexible vibration motor of embodiment；Fig. 3 shows the vertical view of flexible vibration motor according to embodiments of the present invention
Figure.
As Fig. 1 to Fig. 3 is jointly shown, flexible vibration motor provided by the invention includes：Shell, it is housed in shell formation
Vibrational system in oscillation space and connection vibrational system simultaneously make it do elastic supporting member for supporting optical member of reciprocating vibration；Wherein, vibration system
System includes mass and the permanent magnet being fixedly connected with mass；Wherein, mass is included in product X-direction and arranged side by side
Second mass 22 of row, the first mass 21 and the 3rd mass 23 for being laterally positioned in the both sides of the second mass 22, the first matter
The mass 23 of gauge block 21 and the 3rd is connected by the first shell fragment 71 and the second shell fragment 72 with the second mass 22 respectively；Permanent magnet bag
Include the first permanent magnet 211 being arranged in the first mass 21 and the second permanent magnet 231 being arranged in the 3rd mass 23.
Wherein, 23 pieces of the first mass 21 and the 3rd mass are fixedly connected by elastic supporting member for supporting optical member with shell respectively, the second mass 22
Then poised by the first shell fragment 71 and the second shell fragment 72 between the first mass 21 and the 3rd mass 23.
In the specific embodiment of the present invention, the first shell fragment 71 and/or the second shell fragment 72 be " S " type, " N " type or
" W " type structure.When 23 pieces of the first mass 21 and the 3rd mass move along motor X-direction, due to the first shell fragment 71 and
The presence of two shell fragments 72, the second mass 22 can be produced along the flexible vibration in Y direction while being moved along X-axis.Work as production
When the space of product only allows to install the linear vibration motor of X-direction motion, it still is able to produce the vibration in Y direction, with full
The demand of the sufficient multi-direction vibration of product, save space.In addition, comparing existing linear vibration motor, mass is increased to three
Block, the Lorentz force of motor is also added to a certain extent, so that the vibration sense of product is more obvious.
It should be noted that the concrete structure of the first shell fragment 71 and the second shell fragment 72 is not limited to " S " type shown in accompanying drawing
Structure, the second mass 22 can be made to produce the compliant motion in Y direction, for example, replacing the first shell fragment using spring
71 and second shell fragment 72, it can also play the same role, not be limited specifically.
Specifically, the flexible vibration motor of the embodiment of the present invention includes middle shell 11, is adapted to connect and form with middle shell 11 and shakes
The upper lid 1 and lower cover 13 in dynamic space, the vibrational system being housed in oscillation space and connection vibrational system simultaneously do it back and forth to shake
Dynamic elastic supporting member for supporting optical member.Wherein, vibrational system includes the first mass 21, the first permanent magnet being arranged on the first mass 21
211st, the second mass 22, the 3rd mass 23, and the second permanent magnet 231 being arranged on the 3rd mass 23.
In the present invention, the first fixing groove for inlaying the first permanent magnet 211 is provided with the first mass 21；The 3rd
The second fixing groove for inlaying the second permanent magnet 231 is provided with mass 23.First mass 21 and the 3rd mass 23 are fixed
In middle shell 11, the second mass 22 is flexibly connected in the first mass 21 and the 3rd by the first shell fragment 71 and the second shell fragment 72
Between mass 23, the first permanent magnet 211 is fixed in the first fixing groove, and the second permanent magnet 231 is fixed in the second fixing groove,
And first permanent magnet 211 and the second permanent magnet 231 opposite polarity.For example, when the S poles face voice coil loudspeaker voice coil 10 of the first permanent magnet 211
When, the N poles face voice coil loudspeaker voice coil 10 of the second permanent magnet 231；When the N poles face voice coil loudspeaker voice coil 10 of the first permanent magnet 211, the second permanent magnet
231 S poles face voice coil loudspeaker voice coil 10.In addition, the first permanent magnet 211 and the second permanent magnet 231 be arranged in parallel with voice coil loudspeaker voice coil 10, and in the presence of one
Fixed gap.
Specifically, the spring (including the of elastic supporting member for supporting optical member including the mass 23 of the first mass of supporting and fixing 21 and the 3rd
One spring 31 and second spring 32), support block (including the first support block 91 and second support block 92), connecting shaft (including first
The connecting shaft 42 of connecting shaft 41 and second) etc..Wherein, one end in motor inside shell 11 is provided with the first support block 91, corresponding
The other end be provided with the second support block 92, the first mass 21 is by the first connecting shaft 41 and the first support block 91 along first
It is flexibly connected in the axial direction of connecting shaft 41, the 3rd 23 pieces of mass is connected by the second connecting shaft 42 and the second support block 92 along second
It is flexibly connected in the axial direction of spindle 42.To increase the vibration sense of motor, prevent mass from being collided with middle shell 11, in the first connection
The outer sheath of axle 41 is provided with the first spring 31, and second spring 32 is provided with the outer sheath of the second connecting shaft 42；And in the first support block
91 are provided with the first silicagel pad 81 close to the side of the first mass 21, in the second support block 92 close to the one of the 3rd mass 23
Side is provided with the second silicagel pad 82, to avoid the first mass 21 and the 3rd mass 23 and the first support block 91 and the second support
Collided between block 92, and then ensure the normal vibration of motor.
In the flexible vibration motor of the present invention, in the first mass 21, the second mass 22 and the 3rd mass 23
Underface is provided with voice coil loudspeaker voice coil 10, and iron core is internally provided with voice coil loudspeaker voice coil 10.Connection motor is provided between lower cover 13 and voice coil loudspeaker voice coil 10
The U-typed connecting plate 12 of peripheral circuits, one end of connecting plate 12 are fixed on lower cover 13, and the other end is electrically connected with voice coil leads
Connect, play a part of fixed voice coil loudspeaker voice coil 10 and electrical connection.
Specifically, Fig. 4 shows the part section structure of flexible vibration motor according to embodiments of the present invention.
As shown in figure 4, the S of the first permanent magnet 211 in the first mass is extremely in the side of voice coil loudspeaker voice coil 10, the 3rd mass
The second permanent magnet 231 N extremely close to the side of voice coil loudspeaker voice coil 10, after the sense of current in voice coil loudspeaker voice coil 10 determines, according to left hand rule, the
One mass and the 3rd mass are respectively by the power F1 and F2 of a left direction, and F1 and F2 direction is identical, size
It is identical.Because voice coil loudspeaker voice coil 10 by connecting plate is fixed on lower lid and can not moved, according to the relation of active force and reaction force, first
Mass and the 3rd mass can drive the second mass 22 to move right.After alternating current is passed through to voice coil loudspeaker voice coil 10, the first matter
Gauge block, the second mass 22 and the 3rd mass can form reciprocal vibration in shell, in this vibration processes, pass through first
The shell fragment 72 of shell fragment 71 and second and the second mass 22 of the first mass and the 3rd mass flexible connection can produce Y-axis simultaneously
The compliant motion in direction, and then increase the Lorentz force and vibrating effect of motor.
In addition, the flexible motor of the present invention also includes the spring terminal of connection external device (ED).Specifically, Fig. 5 shows root
According to the stereochemical structure of flexible vibration motor of the present invention.As shown in figure 5, two spring terminals 5 are provided with one end of motor case,
Two spring terminals 5 are fixedly connected by fixed block 6 with shell, when by motor applications to different product, can be passed through
Spring terminal 5 is electrically connected with external device (ED).
, can be by the effect of the first shell fragment and the second shell fragment, in the first mass using the flexible vibration motor of the present invention
While block, the second mass and the 3rd mass produce X-direction motion, produce the second mass soft in Y direction
Property motion, with overcome assembling motor space and require motor direction of vibration between contradiction, only allow to pacify in product space
When filling X-direction motor of reciprocating vibration, the flexible vibration in Y direction can be still produced, to meet product demand, is applicable
Scope is wide, Lorentz force is strong, motor vibration sense is obvious.
Flexible vibration motor according to the present invention is described in an illustrative manner above with reference to accompanying drawing.But art technology
Personnel should be appreciated that the flexible vibration motor proposed for the invention described above, can also not depart from the base of present invention
Various improvement are made on plinth.Therefore, protection scope of the present invention should be determined by the content of appended claims.
Claims (10)
1. a kind of flexible vibration motor, including：Shell, the vibrational system being housed in the oscillation space that the shell is formed and
Connection vibrational system simultaneously makes it do elastic supporting member for supporting optical member of reciprocating vibration；Wherein, the vibrational system include mass and with institute
State the permanent magnet that mass is fixedly connected；Wherein,
The mass includes the second mass, is laterally positioned in the first mass and the 3rd mass of the second mass both sides
Block, first mass and the 3rd mass are connected by the first shell fragment and the second shell fragment with second mass respectively
Connect；
The permanent magnet is separately fixed on first mass and the 3rd mass.
2. flexible vibration motor as claimed in claim 1, wherein,
First shell fragment and/or second shell fragment are " S " type, " N " type or " W " type structure.
3. flexible vibration motor as claimed in claim 1, wherein, the permanent magnet includes the first permanent magnet and the second permanent magnetism
Iron；
The first fixing groove for inlaying the first permanent magnet is provided with first mass；
The second fixing groove for inlaying the second permanent magnet is provided with the 3rd mass.
4. flexible vibration motor as claimed in claim 3, wherein,
The opposite polarity of first permanent magnet and second permanent magnet.
5. flexible vibration motor as claimed in claim 1, wherein,
First mass, the second mass and the 3rd mass are arranged side by side in X-direction；
First mass and the 3rd mass are hung on what the shell was formed by the elastic supporting piece respectively
In space.
6. flexible vibration motor as claimed in claim 5, wherein,
First mass is connected by the first connecting shaft with the first support block positioned at described shell one end along described first
It is flexibly connected in the axial direction of spindle, the first spring is provided with the outer sheath of first connecting shaft；
3rd mass is by the second connecting shaft with the second support block positioned at the shell other end along described second
It is flexibly connected in the axial direction of connecting shaft, second spring is provided with the outer sheath of second connecting shaft.
7. flexible vibration motor as claimed in claim 6, wherein,
The side of first mass is provided with the first silicagel pad in first support block；
The side of the 3rd mass is provided with the second silicagel pad in second support block.
8. flexible vibration motor as claimed in claim 1, wherein,
Voice coil loudspeaker voice coil is provided with below first mass, the second mass and the 3rd mass, is set inside the voice coil loudspeaker voice coil
It is cored.
9. flexible vibration motor as claimed in claim 8, wherein,
The shell includes middle shell, the upper lid and lower cover of connection is adapted to the middle shell；
U-typed connecting plate is fixed with the lower lid, the voice coil loudspeaker voice coil electrically connects with the connecting plate.
10. flexible vibration motor as claimed in claim 9, wherein, in addition to the spring terminal being connected with external circuit, it is described
Spring terminal is fixed on the middle shell by fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510509375.5A CN105186824B (en) | 2015-08-18 | 2015-08-18 | Flexible vibration motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510509375.5A CN105186824B (en) | 2015-08-18 | 2015-08-18 | Flexible vibration motor |
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| CN105186824B true CN105186824B (en) | 2017-12-19 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106026764B (en) * | 2016-07-29 | 2019-01-08 | 苏州中触科工精密科技有限公司 | A kind of piezoelectric straight line oscillating mode mobile phone vibrating motor and mechanical oscillation enlarger |
| CN111725965B (en) * | 2020-07-01 | 2022-08-23 | 浙江省东阳市东磁诚基电子有限公司 | Non-contact vibration damping linear vibration motor and implementation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202009322U (en) * | 2011-01-05 | 2011-10-12 | 瑞声声学科技(深圳)有限公司 | Multifunctional vibrator |
| CN202353417U (en) * | 2011-11-26 | 2012-07-25 | 歌尔声学股份有限公司 | Minitype vibration motor |
| CN205029536U (en) * | 2015-08-18 | 2016-02-10 | 歌尔声学股份有限公司 | Flexible vibrating motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63140650A (en) * | 1986-11-28 | 1988-06-13 | Yamaha Corp | Moving unit |
| US7561014B2 (en) * | 2003-12-29 | 2009-07-14 | Honeywell International Inc. | Fast insertion means and method |
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- 2015-08-18 CN CN201510509375.5A patent/CN105186824B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202009322U (en) * | 2011-01-05 | 2011-10-12 | 瑞声声学科技(深圳)有限公司 | Multifunctional vibrator |
| CN202353417U (en) * | 2011-11-26 | 2012-07-25 | 歌尔声学股份有限公司 | Minitype vibration motor |
| CN205029536U (en) * | 2015-08-18 | 2016-02-10 | 歌尔声学股份有限公司 | Flexible vibrating motor |
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| CN105186824A (en) | 2015-12-23 |
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