CN205490064U - Linear vibration motor - Google Patents
Linear vibration motor Download PDFInfo
- Publication number
- CN205490064U CN205490064U CN201620017044.XU CN201620017044U CN205490064U CN 205490064 U CN205490064 U CN 205490064U CN 201620017044 U CN201620017044 U CN 201620017044U CN 205490064 U CN205490064 U CN 205490064U
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- Prior art keywords
- oscillator
- face
- projection
- electric motor
- linear vibration
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- 238000005516 engineering process Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model provides a linear vibration motor, it includes the casing, accepts the oscillator in the casing, a plurality of elastic components and the coil of support oscillator, wherein, the oscillator includes the first terminal surface and the second terminal surface of two perpendicular to oscillator direction of vibrations, be equipped with a pair of lug on first terminal surface and the second terminal surface separately, two lugs on the orthographic projection on to the second terminal surface of two lugs on the first terminal surface and the second terminal surface orthographic projection on to second terminal surface symmetry each other sets up, the elastic component includes planar spring and coil spring, planar spring one end is fixed in on this lug, in addition one end be fixed in with the parallel second lateral wall of oscillator direction of vibration on, coil spring one end be fixed in on this lug the other end be fixed in with oscillator direction of vibration vertically the first side wall on. This product makes the elastic component increase the holding power of oscillator to can improve the vibration amplitude.
Description
[technical field]
This utility model relates to a kind of vibrating motor, particularly relates to a kind of for portable consumer electronic
The linear vibration electric motor of the flat of product.
[background technology]
Along with the development of electronic technology, portable consumer electronic product is increasingly pursued by people,
Such as mobile phone, handheld device, guider or palm multimedia entertainment equipment etc., the most all can use
Vibrating motor does system feedback, the incoming call prompting of such as mobile phone, information alert, navigation hint, trip
The vibrational feedback etc. of gaming machine.So it is widely applied, it is desirable to the performance of vibrating motor is high, stability
Get well and service life is long.
Apply the linear vibration electric motor that more and better performances vibrating motor is planar as at present, relevant
The linear vibration electric motor of technology generally includes housing, the elastic component being connected to case inside wall, elastic
Part supports and the coil of diapire in hanging on the oscillator in housing and being contained in housing.Owing to elasticity is propped up
Support member is the key core parts of whole linear vibration electric motor, the change of its shape and different outsides
Connected mode, all can cause the biggest shadow to linear vibration electric motor performance operationally and service life
Ring.But, the elastic component in correlation technique is two U-shaped springs, and is connected to the both sides of oscillator
And between the medial wall of housing, this U-shaped spring provides just in the X-direction of this linear electric machine horizontal plane
Degree, Y-axis and Z-direction at this linear electric machine horizontal plane provide and support, when this U-shaped spring simultaneously
When the coefficient of elasticity of the X-direction of this linear electric machine horizontal plane is less, at this linear electric machine horizontal plane
Y-axis and the coefficient of elasticity of Z-direction diminish the most accordingly, and the amplitude of U-shaped spring is less, thus
The motion causing this U-shaped spring is unstable, affects by the stability of vibration of U-shaped spring-supported oscillator.
Therefore, it is necessary to provide a kind of new linear vibration electric motor to solve drawbacks described above.
[utility model content]
This utility model need to solve the technical problem that the support force being to provide a kind of elastic component to oscillator
By force and possess large magnitude, to strengthen the linear vibration electric motor of elastic component kinetic stability.
This utility model is by such technical scheme solution technical problem:
A kind of linear vibration electric motor, it includes housing, the oscillator being contained in housing, supports oscillator
Some elastic components and drive vibrator motion coil, described housing include a described coil of carrying diapire,
Two the first side walls around diapire and being oppositely arranged and two second sidewalls being oppositely arranged, wherein, described
Oscillator includes two the first end faces being perpendicular to oscillator vibration direction and the second end face, the first end face and
A pair projection it is each provided with, the orthographic projection on the second end face of two projections on the first end face on biend
Being symmetrically set with the orthographic projection on the second end face of two projections on the second end face, elastic component includes
Planar spring and helical spring, planar spring one end is fixed on this projection, other end be fixed on
On the second sidewall that oscillator vibration direction is parallel, it is solid that the other end on this projection is fixed in helical spring one end
On the first side wall vertical with oscillator vibration direction.
Described first end face and the second end face rectangular shaped, described each projection is positioned at corresponding end-faces
Corner portions.
Two projections of every end face are diagonal relationship.
Described planar spring includes spring leaf that fixing end, self-retaining end extend and prolongs from spring leaf
The connection end stretched, described fixing end is connected to the corresponding end-faces of described oscillator and the one of helical spring
Between end, described connection end is connected to the second sidewall of described housing, the other end of described helical spring
It is connected with the first side wall of housing.
Described fixing end is mutually perpendicular to the described end that is connected.
Described oscillator includes a balancing weight, is embedded at the permanent magnet of balancing weight middle position, described permanent magnetism
Body and described coil just to and between be provided with a gap.
Described balancing weight includes that a main body, described projection autonomous agent two ends are extended, and described main body is the most right
The position of coil is provided with two through hole, and described permanent magnet includes that two magnets, two magnets are embedded at institute respectively
Stating in two through hole, the fixing end of described elastic component is connected with described projection.
Described projection includes two first projections and two second projections, the institute extended at the two ends of autonomous agent
The both sides stating two first projection autonomous agents are extended along the end face near upper cover, and this two first projection
Symmetrical along the first diagonal of balancing weight, the both sides of described two second projection autonomous agents are along the end of near
The end face of seat extends, and this two second projection is symmetrical along the second diagonal of balancing weight.
Described oscillator also includes that a magnetic conductive board, described magnetic conductive board are arranged on described balancing weight, and covers
On described permanent magnet.
Described housing includes a base and a upper cover, and described diapire is positioned on base and towards described upper cover,
Described upper cover includes that a top board relative with base, described two the first side walls and two second sidewalls are from described
Top board extends vertically, and connects with the diapire group of described base.
Two projections on first end face of the oscillator of linear vibration electric motor of the present utility model are to the second end face
On orthographic projection be symmetrically set with the orthographic projection on the second end face of two projections on the second end face,
Elastic component includes that planar spring and helical spring, planar spring one end are fixed on this projection, other one
End is fixed on the second sidewall parallel with oscillator vibration direction, and this projection is fixed in helical spring one end
The upper other end is fixed on the first side wall vertical with oscillator vibration direction, so that elastic component is to shaking
The support force of son strengthens, and can improve vibration amplitude, and then strengthens the linear of elastic component kinetic stability
Vibrating motor.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of the linear vibration electric motor of this utility model preferred embodiment.
Fig. 2 is the sectional view of the linear vibration electric motor of this utility model preferred embodiment.
Fig. 3 is the decomposed figure of the linear vibration electric motor of this utility model preferred embodiment.
Fig. 4 is the schematic diagram that the oscillator of this utility model preferred embodiment is connected with elastic component.
[detailed description of the invention]
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, for the linear vibration electric motor 10 of preferred embodiment of the present utility model, its
Including housing 11, elastic component 13, oscillator 14 and coil 15.Described housing 11 includes base 110
And upper cover 111, and described base 110 connect with upper cover 111 groups together with and form a receiving space 112,
Described elastic component 13, oscillator 14 and coil 15 are all contained in described receiving space 112.In this reality
Executing in example, described linear vibration electric motor 10 is in flat.
Described base 110 includes the diapire 1101 towards described upper cover 111, and this diapire 1101 is provided with bag
Including the circuit (not shown) of signal terminal, described coil 15 is fixed on the diapire 1101 of described base 110,
And electrically connect with the signal terminal of described circuit.
Described upper cover 111 includes the top board 120 relative with base 110, hangs down from the surrounding of top board 120
That directly extend and two the first side wall 122 being oppositely arranged and two the second sidewalls 124 being oppositely arranged,
To connect with described base 110 groups, and form described receiving space 112.Described the first side wall 122 with
Oscillator vibration direction is vertical, and the second sidewall 124 is parallel with oscillator vibration direction.
Described oscillator 14 includes balancing weight 140, permanent magnet 142 and magnetic conductive board 146, described balancing weight
140 include main body 401 and be positioned at main body 401 both sides and be perpendicular to oscillator vibration direction first
End face 1408 and the second end face 1409, described every end face includes the first projection 403 and second is convex
Block 405.The orthographic projection on the second end face 1409 of two projections on described first end face 1408 and the
The orthographic projection on the second end face 1409 of two projections on biend 1409 is symmetrically set.Described
First end face 1408 and the second end face 1409 rectangular shaped, described each projection is positioned at corresponding end-faces
Corner portions, and two projections of every end face are diagonal relationship.
In described main body 401, the position relative with coil 15 is provided with two through hole 4011, described permanent magnetism
Body 142 includes two magnets 420, and this two magnet 420 is individually fixed in two of described main body 401 and leads to
In hole 4011, between itself and described coil 15, it is provided with a gap.Described magnetic conductive board 146 is arranged at institute
State on balancing weight 140, and cover on described permanent magnet 142, to prevent the magnetic line of force from leaking.Described two
Permanent magnet 420 is just contrary, so that oscillator 14 is by hot-wire coil 15 to the magnetic pole polarised direction of coil 15
Electromagnetic induction effect and the X-direction side-to-side movement of horizontal plane at linear vibration electric motor 10.
In the lump with reference to Fig. 3 and Fig. 4, the number of described elastic component 13 is four, and is averagely positioned at described
The both sides of oscillator 14.Each elastic component 13 includes planar spring 130 and a helical spring 132.
Described planar spring 130 includes the spring leaf 302 that fixing end 301, self-retaining end 301 extend
And the connection end 303 extended from spring leaf 302.Described connection end 303 and described fixing end 301
Vertically.Described fixing end 301 is connected to one end and first projection 403 of the helical spring 132 of correspondence
Between or correspondence helical spring 132 one end and the second projection 405 between, described helical spring 132
The other end be connected to the first side wall 122 of upper cover 111.Described connection end 303 is connected on described
Second sidewall 124 of lid 111.Two spiral bullets of two elastic components 13 of described oscillator 14 homonymy
Spring 132 is arranged with the position near described diapire 1101 and away from described diapire 1101 respectively, and should
Two helical springs 132 at the homonymy of oscillator 14 in angular distribution.In the present embodiment, described first
Projection 403 or the second projection 405 fix, with corresponding, end faces and the described the first side walls 122 that end 301 is connected
Parallel.Preferably, planar spring 130 is extruded by the power in two second sidewall 124 directions of upper cover 111
Molding.
In the present embodiment, planar spring 130 provides the negative stiffness-K1 of X-direction, helical spring
The 132 positive stiffness K 2 providing X-direction, therefore, the integral rigidity of oscillator 14 is K2-K1.Institute
State planar spring 130 and provide good in the Y-axis and Z-direction of the horizontal plane of linear vibration electric motor 10
Good support force.
To sum up, by arranging two elastic components 13 in the same side of oscillator 14, each elastic component 13 leads to
Cross corresponding projection and helical spring 132 is connected to upper cover 111 so that be when oscillator 14 moves, each
The fixing end 301 of elastic component 13 possesses to the trend connecting end 303 resilience, is i.e. positioned at oscillator 14
The resilience force of two elastic components 13 up and down of the same side is in opposite direction, it may therefore be assured that be positioned at oscillator
The resilience force balance of two elastic components 13 of the same side of 14, to ensure to be positioned at the bullet of oscillator 14 both sides
Property part 13 with steady operation, and can drive oscillator 14 normal vibration.Additionally, elastic component 13 also helps
In increasing the amplitude that oscillator 14 moves.It is thus possible to promote the performance of linear vibration electric motor 10 vibration.
Above-described is only embodiment of the present utility model, it should be noted here that for this area
Those of ordinary skill for, without departing from this utility model create design on the premise of, it is also possible to do
Go out to improve, but these belong to protection domain of the present utility model.
Claims (10)
1. a linear vibration electric motor, it includes housing, the oscillator being contained in housing, supports and shake
Some elastic components of son and the coil of drive vibrator motion, described housing includes a described coil of carrying
Diapire, two the first side walls around diapire and being oppositely arranged and two second sidewalls being oppositely arranged, it is special
Levying and be, described oscillator includes two the first end faces being perpendicular to oscillator vibration direction and the second end face,
Being each provided with a pair projection on first end face and the second end face, two projections on the first end face are to the second end
Orthographic projection on face sets symmetrically with the orthographic projection on the second end face of two projections on the second end face
Putting, elastic component includes that planar spring and helical spring, planar spring one end are fixed on this projection, separately
Outer one end is fixed on the second sidewall parallel with oscillator vibration direction, and this is fixed in helical spring one end
On projection, the other end is fixed on the first side wall vertical with oscillator vibration direction.
Linear vibration electric motor the most according to claim 1, it is characterised in that: described first end
Face and the second end face rectangular shaped, described each projection is positioned at the corner portions of corresponding end-faces.
Linear vibration electric motor the most according to claim 2, it is characterised in that: every end face
Two projections are diagonal relationship.
Linear vibration electric motor the most according to claim 3, it is characterised in that: described flat board bullet
Spring includes fixing end, self-retaining end extends spring leaf and the connection end extended from spring leaf,
Described fixing end is connected between the corresponding end-faces of described oscillator and one end of helical spring, described connection
End is connected to the second sidewall of described housing, the other end of described helical spring and the first side wall of housing
It is connected.
Linear vibration electric motor the most according to claim 4, it is characterised in that: described fixing end
It is mutually perpendicular to the described end that is connected.
Linear vibration electric motor the most according to claim 5, it is characterised in that: described oscillator bag
Including a balancing weight, be embedded at the permanent magnet of balancing weight middle position, described permanent magnet is with described coil just
To and between be provided with a gap.
Linear vibration electric motor the most according to claim 6, it is characterised in that: described balancing weight
Including a main body, described projection autonomous agent two ends are extended, and the position of coil is just set by described main body
Two magnets, two magnets are embedded in described two through hole respectively to have two through hole, described permanent magnet to include, institute
The fixing end stating elastic component is connected with described projection.
Linear vibration electric motor the most according to claim 7, it is characterised in that: described projection bag
Include two first projections and two second projections that the two ends of autonomous agent are extended, described two first projections from
The both sides of main body are extended along the end face near upper cover, and this two first projection is along the first of balancing weight
Diagonal is symmetrical, and the both sides of described two second projection autonomous agents are along the end face extension near base
Go out, and this two second projection is symmetrical along the second diagonal of balancing weight.
Linear vibration electric motor the most according to claim 8, it is characterised in that: described oscillator is also
Including a magnetic conductive board, described magnetic conductive board is arranged on described balancing weight, and covers on described permanent magnet.
10. according to the linear vibration electric motor described in claim 1 to 9 any one, it is characterised in that:
Described housing includes a base and a upper cover, and described diapire is positioned on base and towards described upper cover, institute
State upper cover and include that a top board relative with base, described two the first side walls and two second sidewalls are from described top
Plate extends vertically, and connects with the diapire group of described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620017044.XU CN205490064U (en) | 2016-01-08 | 2016-01-08 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620017044.XU CN205490064U (en) | 2016-01-08 | 2016-01-08 | Linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490064U true CN205490064U (en) | 2016-08-17 |
Family
ID=56664975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620017044.XU Expired - Fee Related CN205490064U (en) | 2016-01-08 | 2016-01-08 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205490064U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300866A (en) * | 2016-08-24 | 2017-01-04 | 歌尔股份有限公司 | Linear vibration motor and electronic equipment |
| CN106300869A (en) * | 2016-08-31 | 2017-01-04 | 浙江省东阳市诚基电机有限公司 | A kind of linear motor being provided simultaneously with X-axis and Z axis vibration feedback |
| CN106374717A (en) * | 2016-08-31 | 2017-02-01 | 浙江省东阳市诚基电机有限公司 | Z-axis vibration square linear motor |
| CN108566066A (en) * | 2018-07-27 | 2018-09-21 | 苏州国华特种线材有限公司 | A kind of linear vibration motor |
| WO2021134173A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibrating motor |
-
2016
- 2016-01-08 CN CN201620017044.XU patent/CN205490064U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300866A (en) * | 2016-08-24 | 2017-01-04 | 歌尔股份有限公司 | Linear vibration motor and electronic equipment |
| CN106300866B (en) * | 2016-08-24 | 2018-12-14 | 歌尔股份有限公司 | Linear vibration motor and electronic equipment |
| CN106300869A (en) * | 2016-08-31 | 2017-01-04 | 浙江省东阳市诚基电机有限公司 | A kind of linear motor being provided simultaneously with X-axis and Z axis vibration feedback |
| CN106374717A (en) * | 2016-08-31 | 2017-02-01 | 浙江省东阳市诚基电机有限公司 | Z-axis vibration square linear motor |
| CN106300869B (en) * | 2016-08-31 | 2019-05-14 | 浙江省东阳市东磁诚基电子有限公司 | A kind of linear motor being provided simultaneously with X-axis and Z axis vibration feedback |
| CN108566066A (en) * | 2018-07-27 | 2018-09-21 | 苏州国华特种线材有限公司 | A kind of linear vibration motor |
| WO2021134173A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibrating motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |