CN206878668U - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN206878668U CN206878668U CN201720461445.9U CN201720461445U CN206878668U CN 206878668 U CN206878668 U CN 206878668U CN 201720461445 U CN201720461445 U CN 201720461445U CN 206878668 U CN206878668 U CN 206878668U
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- CN
- China
- Prior art keywords
- fixed part
- elastic component
- electric motor
- linear vibration
- elastic
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model discloses a kind of linear vibration electric motor.The linear vibration electric motor includes shell, the vibration unit and driver element being contained in the shell, and the vibration unit is suspended in the Flexible element of the receiving space；The vibration unit includes mass, and the mass includes the first side wall and the second sidewall that relative spacing is set, and the first fixed part and the second fixed part being formed on the first side wall and the second sidewall；The Flexible element includes two the first elastic components that the first fixed part both sides are arranged at intervals at along the first direction, and two the second elastic components of the second fixed part both sides are arranged at intervals at along the first direction；One end of first elastic component and the second elastic component connects with corresponding first fixed part and the second fixed part respectively, the other end and the cage connection.Linear vibration electric motor provided by the utility model, stability of vibration in Y-direction can be significantly improved.
Description
【Technical field】
It the utility model is related to technical field of motors, and in particular to a kind of linear vibration electric motor.
【Background technology】
With the development of electronic technology, portable consumer electronic product is increasingly pursued by people, such as mobile phone, palm
Game machine, guider or palm multimedia entertainment equipment etc., these electronic products typically can all use linear vibration electric motor
Do system feedback, such as the incoming call prompting of mobile phone, information alert, navigation hint, the vibrational feedback etc. of game machine.It is so extensive
Using, it is desirable to the performance of vibrating motor is excellent, service life length.
In correlation technique, linear vibration electric motor includes the shell with receiving space, the vibration being contained in the shell
Unit and driver element, the elastic component that the vibration unit is fixed and is suspended in the receiving space, the driver element
Drive the vibration unit to do linear reciprocating motion and the linear vibration electric motor is produced vibration.Wherein, the elastic component is set
U-shaped is calculated as, is relatively arranged on the both ends of the vibration unit, there is provided the support of Z-direction and the restoring force of X-direction.
The elastic component of U-shaped structure includes the first fixed part of relative spacing setting and the second fixed part and described first is consolidated
Determine portion connected with second fixed part and around the vibration unit set elastic arm, wherein first fixed part with it is described
Vibration unit connects, the second fixed part and the cage connection.The elastic component supports the vibration unit to be replied in X-direction
When, the dogleg section of the elastic arm provides rigidity, but dogleg section stress distribution compares concentration easily snaps off, therefore to institute
Material and the structural requirement for stating elastic component are higher；In addition, the connection of two U-shaped elastic components and the vibration unit and the shell
Fulcrum is asymmetric, easily causes the oscillating component in Y-direction, and then the vibration for producing the vibration and sway influence vibrating motor is steady
It is qualitative.
Therefore, it is necessary to providing a kind of new linear vibration electric motor solves above-mentioned technical problem.
【Utility model content】
The purpose of this utility model is to overcome above-mentioned technical problem, there is provided one kind, which can significantly improve, vibrates stabilization in Y-direction
The linear vibration electric motor of property.
The technical solution of the utility model is as follows：
A kind of linear vibration electric motor, including the shell with receiving space, be contained in the shell and in the first direction
Vibration unit of reciprocating vibration and the driver element for driving the vibration unit to vibrate, and the vibration unit is suspended in institute
State the Flexible element of receiving space；The vibration unit includes mass, and the mass is included along perpendicular to the first party
To the first side wall that sets of second direction relative spacing and second sidewall, and be formed at the first side wall and described second
The first fixed part and the second fixed part in side wall；The Flexible element includes being arranged at intervals at described the along the first direction
Two the first elastic components of one fixed part both sides, and it is arranged at intervals at the second fixed part both sides along the first direction
Two the second elastic components；First elastic component and the second elastic component undulate；
One end of each first elastic component is connected with first fixed part, the other end and the cage connection；Often
One end of the one second elastic component fixed part is connected with second fixed part, the other end and the cage connection.
Preferably, first fixed part and second fixed part are respectively from the first side wall and second side
Wall extends the protuberance to be formed along the second direction close to the shell；Each first elastic component and each described second
The side of elastic component, which abuts, is fixed on the protuberance.
Preferably, first fixed part and second fixed part are respectively from the first side wall and second side
Wall extends the groove to be formed along the second direction away from the shell；Each first elastic component and each second bullet
The side of property part, which plugs, to be fixed in the groove.
Preferably, two neighboring first elastic component is connected by the first connector being adapted with the groove shapes
Connect, and two neighboring second elastic component with the second connector that the groove shapes are adapted by being connected.
Preferably, two first elastic components are symmetrically set in the both sides of first fixed part, two second bullets
Property part is symmetrically set in the both sides of second fixed part, and first elastic component and second elastic component are symmetrical arranged.
Preferably, the vibration unit also includes magnetic steel component, and the mass is provided with spacing hole, and the magnetic steel component holds
It is contained in the spacing hole.
Preferably, the driver element is driving coil, the driving coil be fixed on the shell and with the magnet steel
Component relative spacing is set.
Compared with correlation technique, linear vibration electric motor beneficial effect provided by the utility model is：
By setting the first fixed part and the second fixed part on the first side wall of mass and the second sidewall；
The first fixed part both sides set two the first elastic components respectively, and the second fixed part both sides set two second respectively
Elastic component, and first elastic component and second elastic component are waveform.The structure of this kind elasticity member causes suffered by it
Stress distribution is more scattered, on the one hand can reduce the probability that Flexible element fractures, and on the other hand can substantially reduce shaking in the Y direction
Dynamic component, improves stability of vibration in the Y direction, suppresses product and produces vibration and sway.
【Brief description of the drawings】
Fig. 1 is the stereogram of linear vibration electric motor embodiment one provided by the utility model；
Fig. 2 is the decomposing schematic representation of linear vibration electric motor shown in Fig. 1；
Fig. 3 is the part-structure schematic diagram of linear vibration electric motor shown in Fig. 1；
Fig. 4 is the part-structure schematic diagram of another angle of linear vibration electric motor shown in Fig. 1；
Fig. 5 is the structural representation of linear vibration electric motor embodiment two provided by the utility model.
【Embodiment】
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Embodiment one
Fig. 1, Fig. 2 are please referred to, wherein Fig. 1 is the stereogram of linear vibration electric motor provided by the utility model；Fig. 2 is
The decomposing schematic representation of linear vibration electric motor shown in Fig. 1.The linear vibration electric motor 100 includes shell 11, is contained in the shell
Vibration unit 12, driver element 13 and elastic component 14 in 11.X, Y, Z axis coordinate system is indicated in the accompanying drawings, and wherein X-axis represents institute
The direction of vibration of linear vibration electric motor 100 is stated, Y-axis and Z axis represent the direction vertical with direction of vibration, wherein described in Z axis expression
The thickness direction of shell 11.For convenience of description, it is first direction to define the direction that X-axis represents, the direction that Y-axis represents is second party
To.
The shell 11 includes housing 111 and cover plate 112, and the housing 111 and the cover plate 112 enclose to form collecting sky
Between, the vibration unit 12, driver element 13 and the elastic component 14 are located at the receiving space.
The vibration unit 12 includes mass 121, magnetic steel component 122 and pole piece 123.
The mass 121 includes the first side wall 1211 and the second sidewall set along the second direction relative spacing
1212nd, it is connected and perpendicular to the first surface 1213 and second of Z-direction with the first side wall 1211 and second sidewall 1212
Surface 1214, the first fixed part 1215 and second for being respectively formed in the first side wall 1211 and the second sidewall 1212 are solid
Determine portion 1216, penetrate the spacing hole 1217 that the first surface 1213 and the second surface 1214 are formed.
First fixed part 1215 and second fixed part 1216 are respectively from the first side wall 1211 and described
Second sidewall 1212 extends the protuberance formed along the second direction close to the shell 111.Wherein, first fixed part
1215 and second fixed part 1216 can be integrally formed with the mass 121, can also be with the mass split settings.
The quantity of the spacing hole 1217 is two；The magnetic steel component 122 is in the spacing hole 1217, the magnetic
The quantity of steel component 122 corresponds to two, and is corresponded with the spacing hole 1217.
The pole piece 123 is covered on the magnetic steel component 122, and its quantity is two pieces, with a pair of the magnetic steel component 122 1
Should.
The driver element 13 is driving coil, is fixedly connected with the cover plate 112 and is spaced with the magnetic steel component 122
Set, magnetic field caused by the driving coil and magnetic field interaction caused by the magnetic steel component 122, so as to drive described shake
Moving cell 12 does linear reciprocating motion and produces vibration.Corresponding, the quantity of the driving coil is two.
Fig. 3 and Fig. 4 are please referred to, wherein Fig. 3 is the part-structure schematic diagram of linear vibration electric motor shown in Fig. 1；Fig. 4 is
The part-structure schematic diagram of another angle of linear vibration electric motor shown in Fig. 1.The Flexible element 14 is included along the first direction
Two the first elastic components 141 of the both sides of the first fixed part 1215 are arranged at intervals at, and are set along the first direction interval
It is placed in two the second elastic components 142 of the both sides of the second fixed part 1216, first elastic component 141 and second elasticity
The undulate of part 142.
One end of each first elastic component 141 is connected to the protuberance, and the other end is connected to the housing 111 and connected
Connect；One end of each second elastic component 142 is connected to the protuberance, and the other end is connected with the housing 111.
The elastic component 142 of first elastic component 141 and second is perpendicular to two surfaces of Z-direction respectively with described first
Surface 1213 and the second surface 1214 flush, and are connected to the He of mass 121 respectively in two end faces of Y direction
The inwall of housing 111.
Preferably, two first elastic components 141 are symmetrically set in the both sides of first fixed part 1215, described in two
Second elastic component 142 is symmetricly set in the both sides of second fixed part 1216, and first elastic component 141 and described second
Elastic component 142 is symmetrical arranged.
When the driver element 13 drives the vibration of vibration unit 12, the elastic component 14 provides the reply in X-direction
Power, the vibration unit 12 is moved only along an X, and avoid it from being moved along Y-direction.
Embodiment two
Fig. 5 is please referred to, is the structural representation of linear vibration electric motor embodiment two provided by the utility model.It is described
The structure of linear vibration electric motor 300 and embodiment one are essentially identical, and difference is：First fixed part 3215 and the second fixed part
3216 respectively with the first side wall 3211 and the forming mode of second sidewall 3212, and the first elastic component 341 and the second elastic component
342 with the annexation of the corresponding fixed part 3216 of first fixed part 3215 and second.
In the present embodiment, first fixed part 3215 and second fixed part 3216 are respectively from the first side wall
3211 and the second sidewall 3212 along the second direction away from housing 311 extend formed groove；Each first bullet
The side of property part 341 and each second elastic component 342, which plugs, to be fixed in the groove.
Preferably, mass 321 also includes being embedded in the groove and mutually fitting with the corresponding groove shapes respectively
The first connector 3218 and the second connector 3219 matched somebody with somebody, one end and described first of the first elastic component 341 described in each of which
Connector 3218 is connected, and the other end is connected with the housing 311；One end and described second of each second elastic component 342
Connector 3219 is connected, and the other end is connected with the housing 311.
Preferably, two first elastic components 341 are integrally formed with first connector 3218, and two described
Two elastic components 342 are integrally formed with second connector 3219.
Compared with correlation technique, linear vibration electric motor beneficial effect provided by the utility model is：By in mass
The first side wall and the second sidewall on the first fixed part and the second fixed part are set；The first fixed part both sides point
Not She Zhi two the first elastic components, and the second fixed part both sides set two the second elastic components, and first bullet respectively
Property part and second elastic component are waveform.The structure of this kind elasticity member make it that its suffered stress distribution is more scattered, one
Aspect can reduce the probability that Flexible element fractures, and on the other hand can substantially reduce oscillating component in the Y direction, improve in the Y direction
On stability of vibration, suppress product produce vibration and sway.
Above-described is only embodiment of the present utility model, it should be noted here that the ordinary skill for this area
For personnel, on the premise of not departing from the utility model and creating design, improvement can also be made, but these belong to this practicality
New protection domain.
Claims (8)
1. a kind of linear vibration electric motor, including the shell with receiving space, be contained in it is in the shell and past in the first direction
The vibration unit of multiplex vibration and the driver element for driving the vibration unit vibration, and the vibration unit is suspended in described
The Flexible element of receiving space；The vibration unit includes mass, it is characterised in that the mass is included along perpendicular to institute
State first direction second direction relative spacing set the first side wall and second sidewall, and be formed at the first side wall and
The first fixed part and the second fixed part in the second sidewall；The Flexible element includes being arranged at intervals along the first direction
Two the first elastic components in the first fixed part both sides, and be arranged at intervals at described second along the first direction and fix
Two the second elastic components of portion both sides；First elastic component and the second elastic component undulate；
One end of each first elastic component is connected with first fixed part, the other end and the cage connection；Each institute
The one end for stating the second elastic component fixed part is connected with second fixed part, the other end and the cage connection.
2. linear vibration electric motor according to claim 1, it is characterised in that first fixed part and described second is fixed
Portion is respectively to extend the protrusion to be formed close to the shell along the second direction from the first side wall and the second sidewall
Portion；The side of each first elastic component and each second elastic component, which abuts, is fixed on the protuberance.
3. linear vibration electric motor according to claim 1, it is characterised in that first fixed part and described second is fixed
Portion is respectively to extend the groove to be formed away from the shell along the second direction from the first side wall and the second sidewall；
The side of each first elastic component and each second elastic component, which plugs, to be fixed in the groove.
4. linear vibration electric motor according to claim 3, it is characterised in that two neighboring first elastic component by with
The connection of the first connector that the groove shapes are adapted, and two neighboring second elastic component by with the groove shapes
The the second connector connection being adapted.
5. linear vibration electric motor according to claim 4, it is characterised in that two first elastic components and described first
Connector is integrally formed, and two second elastic components are integrally formed with second connector.
6. linear vibration electric motor according to claim 1, it is characterised in that two first elastic components are symmetrically set in institute
The both sides of the first fixed part are stated, two second elastic components are symmetrically set in the both sides of second fixed part, and described first
Elastic component and second elastic component are symmetrical arranged.
7. linear vibration electric motor according to claim 1, it is characterised in that the vibration unit also includes magnetic steel component,
The mass is provided with spacing hole, and the magnetic steel component is contained in the spacing hole.
8. linear vibration electric motor according to claim 7, it is characterised in that the driver element is driving coil, described
Driving coil is fixed on the shell and set with the magnetic steel component relative spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720461445.9U CN206878668U (en) | 2017-04-27 | 2017-04-27 | Linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720461445.9U CN206878668U (en) | 2017-04-27 | 2017-04-27 | Linear vibration electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878668U true CN206878668U (en) | 2018-01-12 |
Family
ID=61344103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720461445.9U Expired - Fee Related CN206878668U (en) | 2017-04-27 | 2017-04-27 | Linear vibration electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11404948B2 (en) * | 2020-09-28 | 2022-08-02 | Topray Mems Inc. | Linear vibration motor |
| US11515774B2 (en) * | 2019-06-28 | 2022-11-29 | AAC Technologies Pte. Ltd. | Vibration motor with magnetic steel assembly and elastic support between pillars |
-
2017
- 2017-04-27 CN CN201720461445.9U patent/CN206878668U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11515774B2 (en) * | 2019-06-28 | 2022-11-29 | AAC Technologies Pte. Ltd. | Vibration motor with magnetic steel assembly and elastic support between pillars |
| US11404948B2 (en) * | 2020-09-28 | 2022-08-02 | Topray Mems Inc. | Linear vibration motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20210427 |