CN209313684U - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN209313684U CN209313684U CN201822275461.6U CN201822275461U CN209313684U CN 209313684 U CN209313684 U CN 209313684U CN 201822275461 U CN201822275461 U CN 201822275461U CN 209313684 U CN209313684 U CN 209313684U
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- Prior art keywords
- fixed
- vibration
- electric motor
- arm
- vibration unit
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model provides a kind of linear vibration electric motor, including pedestal, the vibration unit for being placed in the accommodating space, the vibration unit is suspended in the elastic component of the accommodating space, the pedestal is fixed on and drives the vibration unit vibration coil block and the auxiliary elastic member extended along the direction of vibration of the vibration unit with accommodating space；The vibration unit is wound around the coil block periphery, and the vibration unit includes mass block and the magnet steel that is fixed on the inside of the mass block, and the magnet steel is located at the inside for being parallel to the vibration unit direction of vibration of the vibration unit；The coil block and the magnet steel interval are arranged；The vibration unit is fixed in described auxiliary elastic member one end, and the other end is fixed on the coil block.Compared with the relevant technologies, the utility model linear vibration electric motor vibration performance is good and high reliablity.
Description
Technical field
The utility model relates to a kind of motor more particularly to a kind of linear oscillator electricity for being used in mobile electronic product field
Machine.
Background technique
With the development of electronic technology, portable consumer electronic product is increasingly pursued by people, such as mobile phone, palm
Game machine, navigation device or palm multimedia entertainment equipment etc., these electronic products generally can all use linear vibration electric motor
Do system feedback, such as incoming call prompting, information alert, navigation hint, the vibrational feedback of game machine of mobile phone etc..It is so extensive
Using, it is desirable to the performance of vibrating motor is excellent, long service life.
The linear vibration electric motor of the relevant technologies includes pedestal, the vibration list positioned at the accommodating space for having accommodating space
The vibration unit is fixed and is suspended in the elastic component of the accommodating space and is fixed on the coil block of the pedestal by member,
The magnetic field interaction that the magnetic field generated by coil and vibration unit generate, so that the vibration unit be driven to do reciprocating linear
It moves and generates vibration.
However, the elastic component includes two and is respectively set along direction of vibration in the linear vibration electric motor of the relevant technologies
In the opposite sides of the vibration unit, when the linear vibration electric motor works long hours, since the stress of vibration unit is big
It is easy so that the support of the elastic component is unstable, so that product reliability reduces.
It solves the above problems therefore, it is necessary to provide the new linear vibration electric motor of one kind.
Utility model content
The utility model technical issues that need to address are to provide that a kind of vibration performance is good and the linear oscillator of high reliablity
Motor.
In order to solve the above technical problems, the utility model provides a kind of linear vibration electric motor, including with accommodating space
Pedestal, the vibration unit for being placed in the accommodating space, elastic component, the fixation that the vibration unit is suspended in the accommodating space
In the pedestal and drives the coil block of vibration unit vibration and extend along the direction of vibration of the vibration unit
Auxiliary elastic member；The vibration unit is wound around the coil block periphery, and the vibration unit includes mass block and is embedded
Magnet steel in the mass block, what the magnet steel was located at the vibration unit is parallel to the interior of the vibration unit direction of vibration
Side；The coil block and the magnet steel interval are arranged；The vibration unit is fixed in described auxiliary elastic member one end, another
The coil block is fixed at end.
Preferably, the vibration unit further includes that cricoid pole piece is surrounded by side wall, and the pole piece is arranged in the magnet steel
Between the mass block, the auxiliary elastic member is fixed with the pole piece.
Preferably, the auxiliary elastic member includes two and is located at the opposite sides of the coil block.
Preferably, the auxiliary elastic member is helical spring.
Preferably, the coil block includes the iron core for being fixed on the pedestal and the coil for being set around the iron core, institute
The iron core is fixed in the wherein one end for stating auxiliary elastic member.
Preferably, the pole piece is parallel to the direction of vibration in rectangle and its long axis direction, and the side wall includes parallel
In long axis direction and two the first side walls that relative spacing is arranged and perpendicular to long axis direction and relative spacing is arranged two the
Two side walls；The magnet steel is fixed on the first side wall, and two auxiliary elastic members are individually fixed in two described second side
Wall.
Preferably, the elastic component includes first that the mass block opposite sides is respectively arranged at along the direction of vibration
Elastic component and the second elastic component, the mass block include the first wall being oppositely arranged along the direction that intersects with the direction of vibration and
Second wall；First elastic component include the first elastic arm, by first elastic arm both ends respectively in the same direction bending extend first
Fixed arm and the first linking arm, first fixed arm are fixed on first wall, and described first plays between wall and the mass block
Every setting, first linking arm is fixed on the side opposite with second wall of the pedestal；The second elastic component packet
The second elastic arm, both ends bending extends in the same direction respectively the second fixed arm and the second linking arm by second elastic arm are included, it is described
Second fixed arm is fixed on second wall, and described second plays wall and quality block gap setting, and second linking arm is solid
Due to the side opposite with first wall of the pedestal.
Preferably, the linear vibration electric motor further includes at least two first reinforcement blocks, one of them described first reinforcement
Block is located at the side of close second wall of first linking arm and first linking arm is fixed on the pedestal；Separately
One first reinforcement block be located at second linking arm close to first wall side and by second linking arm
It is fixed on the pedestal.
Preferably, the linear vibration electric motor further includes at least two second reinforcement blocks, and second reinforcement block distinguishes position
In the side close to the pedestal of first fixed arm and second fixed arm, two second reinforcement blocks will be described
First fixed arm and second fixed arm are individually fixed in first wall and second wall.
Preferably, the magnet steel includes two and is separately positioned on the opposite sides of the coil block, two magnetic
Steel is symmetrical arranged about the direction of vibration of the vibration unit.
Compared with the relevant technologies, the linear vibration electric motor of the utility model is hanged the vibration unit by the elastic component
It is placed in the accommodating space, the coil block is fixed on pedestal and extends in the vibration unit and be spaced setting, passes through
The auxiliary elastic member of direction of vibration extension along the vibration unit is set, and the opposite end of the auxiliary elastic member is distinguished
It is fixed on the vibration unit and the coil block, for undertaking the part stress of the vibration unit, prevents the elasticity
Part falls off because the oscillation intensity of vibration unit and stress are excessive, effectively increases stability.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the three-dimensional structure diagram of the utility model linear vibration electric motor；
Fig. 2 is the part-structure figure of the utility model linear vibration electric motor；
Fig. 3 is the cut-away view of the line A-A along Fig. 1；
Fig. 4 is the part-structure installation diagram of the utility model linear vibration electric motor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, the utility model provides a kind of linear vibration electric motor 100, including with accommodating space 10
Pedestal 1, vibration unit 2, elastic component 3, coil block 4 and auxiliary elastic member 5.
The pedestal 1 includes bottom plate 11 and is covered on the bottom plate 11 and surrounds the upper cover of the accommodating space 10 jointly
12。
The vibration unit 2 is placed in the accommodating space 10.In present embodiment, the vibration unit 2 passes through described
The support of elastic component 3 is suspended in the accommodating space 10.
Specifically, the vibration unit 2 is wound around 4 periphery of coil block, the vibration unit 2 includes mass block 21
With the magnet steel 23 being embedded in the mass block 21.
The mass block 21 includes the first wall 211 and the second wall being oppositely arranged along the direction intersected with the direction of vibration
212。
The magnet steel 23 is located at the inside for being parallel to 2 direction of vibration of vibration unit of the vibration unit 2.
In order to increase magnetic property, more preferably, the vibration unit 2, which is equipped with, is located at the magnet steel 23 and the mass block 21
Between pole piece 22.
The pole piece 22, which is enclosed to set by the side wall, is parallel to the direction of vibration in rectangle and its long axis direction.Specifically,
The side wall includes being parallel to two the first side walls 221 of long axis direction and relative spacing setting and perpendicular to long axis direction and phase
To spaced two second sidewalls 222.In present embodiment, the magnet steel 23 includes two and is individually fixed in two institutes
State the first side wall 221.That is the opposite sides that two magnet steel 23 are separately positioned on the coil block 4, and two magnetic
Steel 23 is symmetrical arranged about the direction of vibration of the vibration unit 2.The vibration unit 2 is suspended in described by the elastic component 3
In accommodating space 10.The vibration unit 2 is fixed in i.e. described 3 one end of elastic component, and the pedestal 1 is fixed in one end, specially
It is fixed on the upper cover 12 of the pedestal 1.
In present embodiment, the elastic component 3 includes that the mass block 21 is respectively arranged at along the direction of vibration relatively
The first elastic component 31 and the second elastic component 32 of two sides.The setting of double spring structures can make the linear vibration electric motor 100
Vibrating effect more balances, better reliability.
First elastic component 31 includes the first elastic arm 311, by the both ends of first elastic arm 311, bending is prolonged in the same direction respectively
The first fixed arm 312 and the first linking arm 313 stretched.First fixed arm 312 is fixed on first wall 211, and described
One plays wall 311 and the mass block 21 interval is arranged, first linking arm 313 be fixed on the pedestal 1 with described second
The opposite side of wall 212.
Second elastic component 32 includes the second elastic arm 321, by the both ends of second elastic arm 321, bending is prolonged in the same direction respectively
The second fixed arm 322 and the second linking arm 323 stretched.Second fixed arm 322 is fixed on second wall 212, and described
Two play walls 321 and the mass block 21 interval is arranged, second linking arm 323 be fixed on the pedestal 1 with described first
The opposite side of wall 211.In above structure, first elastic component 31 and second elastic component 32 are by the vibration unit 2
Sandwiched is suspended in accommodating space 10, provides vibration condition for the vibration unit 2.
More preferably, in order to reinforce the fixing intensity of the elastic component 3, the linear vibration electric motor 100 further includes at least two
A first reinforcement block 6 and two second reinforcement blocks 7.
One of them first reinforcement block position 6 is in the side close to second wall 212 of first linking arm 313
And first linking arm 313 is fixed on the pedestal 1；Another described first reinforcement block 6 is located at second linking arm
Second linking arm 323 is simultaneously fixed on the pedestal 1 by the side of 323 close first wall 211.
Two second reinforcement blocks 7 are located at the close of first fixed arm 312 and second fixed arm 322
The side of the pedestal 1, two second reinforcement blocks 7 distinguish first fixed arm 312 and second fixed arm 322
It is fixed on first wall 211 and second wall 212.
The coil block 4 is fixed on the pedestal 1 and the vibration unit 2 is driven to vibrate.The coil block 4 and institute
State the setting of the interval of magnet steel 23.
Specifically, the coil block 4 includes being fixed on the iron core 41 of the pedestal 1 and being set around the line of the iron core 41
Circle 42.
In present embodiment, the coil block 4 is specifically fixedly installed in the bottom plate 11, with two magnet steel 23
The setting of face interval makes two magnet steel 23 be located at the opposite sides of the coil block 4, after the coil 42 is powered, institute
It states iron core 41 and forms magnetic field and the magnetic field interaction with the magnet steel 22, so that 2 reciprocating linear of vibration unit be driven to transport
It is dynamic, generate vibrating effect.
The auxiliary elastic member 5 is extended along the direction of vibration of the vibration unit 2；Described 5 one end of auxiliary elastic member
It is fixed on the vibration unit 2, the other end is fixed on the coil block 4.The setting of the auxiliary elastic member 5 is in the vibration
It is the stress when elastic component 3 has shared the vibration of a part of vibration unit on dynamic direction, effectively prevents the elasticity
Part 3 falls off, and improves its stability.
Specifically, the iron core 41 is fixed in wherein one end of the auxiliary elastic member 5, the other end is fixed on the pole piece
22 second sidewall 222.
In present embodiment, more preferably, the auxiliary elastic member 5 includes two and is located at the coil block 4
Opposite sides.Two auxiliary elastic members 5 are individually fixed in two second sidewalls 222.
Compared with the relevant technologies, the linear vibration electric motor of the utility model is hanged the vibration unit by the elastic component
It is placed in the accommodating space, the coil block is fixed on pedestal and extends in the vibration unit and be spaced setting, passes through
The auxiliary elastic member of direction of vibration extension along the vibration unit is set, and the opposite end of the auxiliary elastic member is distinguished
It is fixed on the vibration unit and the coil block, for undertaking the part stress of the vibration unit, prevents the elasticity
Part falls off because the oscillation intensity of vibration unit and stress are excessive, effectively increases stability.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of linear vibration electric motor, including with accommodating space pedestal, be placed in the accommodating space vibration unit, by institute
Vibration unit is stated to be suspended in the elastic component of the accommodating space and be fixed on the pedestal and the vibration unit is driven to vibrate
Coil block；The vibration unit is wound around the coil block periphery, and the vibration unit includes mass block and is embedded
Magnet steel in the mass block, what the magnet steel was located at the vibration unit is parallel to the interior of the vibration unit direction of vibration
Side；The coil block and the magnet steel interval are arranged, which is characterized in that the linear vibration electric motor further includes along the vibration
The auxiliary elastic member that the direction of vibration of unit extends；The vibration unit, the other end are fixed in described auxiliary elastic member one end
It is fixed on the coil block.
2. linear vibration electric motor according to claim 1, which is characterized in that the vibration unit further includes being surrounded by side wall
Cricoid pole piece, the pole piece are arranged between the magnet steel and the mass block, the auxiliary elastic member and the pole piece
Side wall is fixed.
3. linear vibration electric motor according to claim 2, which is characterized in that the auxiliary elastic member includes two and difference
Positioned at the opposite sides of the coil block.
4. linear vibration electric motor according to claim 3, which is characterized in that the auxiliary elastic member is helical spring.
5. linear vibration electric motor according to claim 1, which is characterized in that the coil block includes being fixed on the base
The iron core of seat and the coil for being set around the iron core, the iron core is fixed in wherein one end of the auxiliary elastic member.
6. linear vibration electric motor according to claim 3, which is characterized in that the pole piece is put down in rectangle and its long axis direction
For row in the direction of vibration, the side wall includes being parallel to two the first side walls of long axis direction and relative spacing setting and vertical
In two second sidewalls that long axis direction and relative spacing are arranged；The magnet steel is fixed on the first side wall, and two described auxiliary
Elastic component is helped to be individually fixed in two second sidewalls.
7. linear vibration electric motor according to claim 1, which is characterized in that the elastic component includes along the direction of vibration
It is respectively arranged at the first elastic component and the second elastic component of the mass block opposite sides, the mass block includes edge and the vibration
The first wall and the second wall that the direction that dynamic direction intersects is oppositely arranged；First elastic component includes the first elastic arm, by described the
The both ends of one elastic arm bending extends in the same direction respectively the first fixed arm and the first linking arm, first fixed arm are fixed on described
First wall, first elastic arm and the quality block gap are arranged, first linking arm be fixed on the pedestal with it is described
The opposite side of second wall；Second elastic component includes the second elastic arm, the both ends bending in the same direction respectively by second elastic arm
The second fixed arm and the second linking arm extended, second fixed arm are fixed on second wall, second elastic arm and institute
The setting of quality block gap is stated, second linking arm is fixed on the side opposite with first wall of the pedestal.
8. linear vibration electric motor according to claim 7, which is characterized in that the linear vibration electric motor further includes at least two
A first reinforcement block, one of them described first reinforcement block are located at the side close to second wall of first linking arm simultaneously
First linking arm is fixed on the pedestal；Another described first reinforcement block is located at the close institute of second linking arm
It states the side of the first wall and second linking arm is fixed on the pedestal.
9. linear vibration electric motor according to claim 7, which is characterized in that the linear vibration electric motor further includes at least two
A second reinforcement block, second reinforcement block are located at the close base of first fixed arm and second fixed arm
First fixed arm and second fixed arm are individually fixed in described first by the side of seat, two second reinforcement blocks
Wall and second wall.
10. linear vibration electric motor according to claim 1, which is characterized in that the magnet steel includes two and is respectively set
In the opposite sides of the coil block, two magnet steel are symmetrical arranged about the direction of vibration of the vibration unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275461.6U CN209313684U (en) | 2018-12-29 | 2018-12-29 | Linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275461.6U CN209313684U (en) | 2018-12-29 | 2018-12-29 | Linear vibration electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313684U true CN209313684U (en) | 2019-08-27 |
Family
ID=67680213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822275461.6U Expired - Fee Related CN209313684U (en) | 2018-12-29 | 2018-12-29 | Linear vibration electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313684U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021168938A1 (en) * | 2020-02-25 | 2021-09-02 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| WO2021168939A1 (en) * | 2020-02-25 | 2021-09-02 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| 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 |
-
2018
- 2018-12-29 CN CN201822275461.6U patent/CN209313684U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| WO2021168938A1 (en) * | 2020-02-25 | 2021-09-02 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| WO2021168939A1 (en) * | 2020-02-25 | 2021-09-02 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| 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: 20190827 |